forked from Archive/PX4-Autopilot
Merge pull request #5 from cvg/fmuv2_bringup_ramtron
Enable support for RAMTRON, enable support for EEPROM on FMU 1.x
This commit is contained in:
Lorenz Meier
commit
e8951988fc
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@ -11,6 +11,7 @@ ROMFS_ROOT = $(PX4_BASE)/ROMFS/px4fmu_common
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# Board support modules
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# Board support modules
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#
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#
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MODULES += drivers/px4fmu
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MODULES += drivers/px4fmu
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MODULES += systemcmds/eeprom
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#
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#
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# Transitional support - add commands from the NuttX export archive.
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# Transitional support - add commands from the NuttX export archive.
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@ -36,7 +37,6 @@ BUILTIN_COMMANDS := \
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$(call _B, commander, SCHED_PRIORITY_MAX-30, 2048, commander_main ) \
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$(call _B, commander, SCHED_PRIORITY_MAX-30, 2048, commander_main ) \
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$(call _B, control_demo, , 2048, control_demo_main ) \
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$(call _B, control_demo, , 2048, control_demo_main ) \
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$(call _B, delay_test, , 2048, delay_test_main ) \
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$(call _B, delay_test, , 2048, delay_test_main ) \
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$(call _B, eeprom, , 4096, eeprom_main ) \
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$(call _B, fixedwing_att_control, SCHED_PRIORITY_MAX-30, 2048, fixedwing_att_control_main ) \
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$(call _B, fixedwing_att_control, SCHED_PRIORITY_MAX-30, 2048, fixedwing_att_control_main ) \
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$(call _B, fixedwing_pos_control, SCHED_PRIORITY_MAX-30, 2048, fixedwing_pos_control_main ) \
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$(call _B, fixedwing_pos_control, SCHED_PRIORITY_MAX-30, 2048, fixedwing_pos_control_main ) \
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$(call _B, gps, , 2048, gps_main ) \
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$(call _B, gps, , 2048, gps_main ) \
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@ -66,4 +66,5 @@ BUILTIN_COMMANDS := \
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$(call _B, tests, , 12000, tests_main ) \
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$(call _B, tests, , 12000, tests_main ) \
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$(call _B, tone_alarm, , 2048, tone_alarm_main ) \
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$(call _B, tone_alarm, , 2048, tone_alarm_main ) \
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$(call _B, top, SCHED_PRIORITY_DEFAULT-10, 3000, top_main ) \
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$(call _B, top, SCHED_PRIORITY_DEFAULT-10, 3000, top_main ) \
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$(call _B, param, SCHED_PRIORITY_DEFAULT-10, 2048, param_main ) \
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$(call _B, uorb, , 4096, uorb_main )
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$(call _B, uorb, , 4096, uorb_main )
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@ -14,6 +14,7 @@ MODULES += drivers/boards/px4fmuv2
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MODULES += drivers/lsm303d
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MODULES += drivers/lsm303d
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MODULES += drivers/px4fmu
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MODULES += drivers/px4fmu
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MODULES += drivers/rgbled
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MODULES += drivers/rgbled
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MODULES += systemcmds/ramtron
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#
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#
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# Transitional support - add commands from the NuttX export archive.
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# Transitional support - add commands from the NuttX export archive.
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@ -61,4 +62,5 @@ BUILTIN_COMMANDS := \
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$(call _B, tests, , 12000, tests_main ) \
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$(call _B, tests, , 12000, tests_main ) \
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$(call _B, tone_alarm, , 2048, tone_alarm_main ) \
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$(call _B, tone_alarm, , 2048, tone_alarm_main ) \
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$(call _B, top, SCHED_PRIORITY_DEFAULT-10, 3000, top_main ) \
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$(call _B, top, SCHED_PRIORITY_DEFAULT-10, 3000, top_main ) \
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$(call _B, param, SCHED_PRIORITY_DEFAULT-10, 2048, param_main ) \
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$(call _B, uorb, , 4096, uorb_main )
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$(call _B, uorb, , 4096, uorb_main )
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@ -65,7 +65,6 @@ CONFIGURED_APPS += systemcmds/perf
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CONFIGURED_APPS += systemcmds/top
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CONFIGURED_APPS += systemcmds/top
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CONFIGURED_APPS += systemcmds/boardinfo
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CONFIGURED_APPS += systemcmds/boardinfo
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CONFIGURED_APPS += systemcmds/mixer
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CONFIGURED_APPS += systemcmds/mixer
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CONFIGURED_APPS += systemcmds/eeprom
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CONFIGURED_APPS += systemcmds/param
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CONFIGURED_APPS += systemcmds/param
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CONFIGURED_APPS += systemcmds/pwm
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CONFIGURED_APPS += systemcmds/pwm
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CONFIGURED_APPS += systemcmds/bl_update
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CONFIGURED_APPS += systemcmds/bl_update
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@ -65,9 +65,7 @@ CONFIGURED_APPS += systemcmds/perf
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CONFIGURED_APPS += systemcmds/top
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CONFIGURED_APPS += systemcmds/top
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CONFIGURED_APPS += systemcmds/boardinfo
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CONFIGURED_APPS += systemcmds/boardinfo
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CONFIGURED_APPS += systemcmds/mixer
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CONFIGURED_APPS += systemcmds/mixer
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# No I2C EEPROM - need new param interface
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CONFIGURED_APPS += systemcmds/param
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#CONFIGURED_APPS += systemcmds/eeprom
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#CONFIGURED_APPS += systemcmds/param
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CONFIGURED_APPS += systemcmds/pwm
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CONFIGURED_APPS += systemcmds/pwm
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CONFIGURED_APPS += systemcmds/bl_update
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CONFIGURED_APPS += systemcmds/bl_update
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CONFIGURED_APPS += systemcmds/preflight_check
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CONFIGURED_APPS += systemcmds/preflight_check
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@ -95,10 +93,8 @@ CONFIGURED_APPS += sdlog
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CONFIGURED_APPS += sensors
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CONFIGURED_APPS += sensors
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ifneq ($(CONFIG_APM),y)
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ifneq ($(CONFIG_APM),y)
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#CONFIGURED_APPS += ardrone_interface
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CONFIGURED_APPS += multirotor_att_control
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CONFIGURED_APPS += multirotor_att_control
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CONFIGURED_APPS += multirotor_pos_control
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CONFIGURED_APPS += multirotor_pos_control
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#CONFIGURED_APPS += fixedwing_control
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CONFIGURED_APPS += fixedwing_att_control
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CONFIGURED_APPS += fixedwing_att_control
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CONFIGURED_APPS += fixedwing_pos_control
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CONFIGURED_APPS += fixedwing_pos_control
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CONFIGURED_APPS += position_estimator
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CONFIGURED_APPS += position_estimator
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@ -365,6 +365,10 @@ CONFIG_I2C_RESET=y
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# XXX fixed per-transaction timeout
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# XXX fixed per-transaction timeout
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CONFIG_STM32_I2CTIMEOMS=10
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CONFIG_STM32_I2CTIMEOMS=10
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#
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# MTD support
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#
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CONFIG_MTD=y
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# XXX re-enable after integration testing
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# XXX re-enable after integration testing
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@ -161,6 +161,14 @@ struct ramtron_dev_s
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static struct ramtron_parts_s ramtron_parts[] =
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static struct ramtron_parts_s ramtron_parts[] =
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{
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{
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{
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"FM25V01", /* name */
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0x21, /* id1 */
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0x00, /* id2 */
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16L*1024L, /* size */
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2, /* addr_len */
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40000000 /* speed */
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},
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{
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{
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"FM25V02", /* name */
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"FM25V02", /* name */
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0x22, /* id1 */
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0x22, /* id1 */
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@ -192,12 +192,12 @@ __EXPORT int nsh_archinitialize(void)
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spi1 = up_spiinitialize(1);
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spi1 = up_spiinitialize(1);
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if (!spi1) {
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if (!spi1) {
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message("[boot] FAILED to initialize SPI port 1\r\n");
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message("[boot] FAILED to initialize SPI port 1\n");
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up_ledon(LED_AMBER);
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up_ledon(LED_AMBER);
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return -ENODEV;
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return -ENODEV;
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}
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}
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// Default SPI1 to 1MHz and de-assert the known chip selects.
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/* Default SPI1 to 1MHz and de-assert the known chip selects. */
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SPI_SETFREQUENCY(spi1, 10000000);
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SPI_SETFREQUENCY(spi1, 10000000);
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SPI_SETBITS(spi1, 8);
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SPI_SETBITS(spi1, 8);
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SPI_SETMODE(spi1, SPIDEV_MODE3);
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SPI_SETMODE(spi1, SPIDEV_MODE3);
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@ -206,11 +206,10 @@ __EXPORT int nsh_archinitialize(void)
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SPI_SELECT(spi1, PX4_SPIDEV_BARO, false);
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SPI_SELECT(spi1, PX4_SPIDEV_BARO, false);
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up_udelay(20);
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up_udelay(20);
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message("[boot] Successfully initialized SPI port 1\r\n");
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message("[boot] Successfully initialized SPI port 1\n");
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/* Get the SPI port for the FRAM */
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/* Get the SPI port for the FRAM */
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message("[boot] Initializing SPI port 2\n");
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spi2 = up_spiinitialize(2);
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spi2 = up_spiinitialize(2);
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if (!spi2) {
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if (!spi2) {
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@ -219,11 +218,13 @@ __EXPORT int nsh_archinitialize(void)
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return -ENODEV;
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return -ENODEV;
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}
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}
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/* Default SPI2 to 37.5 MHz (F4 max) and de-assert the known chip selects. */
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SPI_SETFREQUENCY(spi2, 375000000);
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SPI_SETBITS(spi2, 8);
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SPI_SETMODE(spi2, SPIDEV_MODE3);
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SPI_SELECT(spi2, SPIDEV_FLASH, false);
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message("[boot] Successfully initialized SPI port 2\n");
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message("[boot] Successfully initialized SPI port 2\n");
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/* XXX need a driver to bind the FRAM to */
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//message("[boot] Successfully bound SPI port 2 to the FRAM driver\n");
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return OK;
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return OK;
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}
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}
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@ -0,0 +1,571 @@
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/************************************************************************************
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* Driver for 24xxxx-style I2C EEPROMs.
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*
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* Adapted from:
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*
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* drivers/mtd/at24xx.c
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* Driver for I2C-based at24cxx EEPROM(at24c32,at24c64,at24c128,at24c256)
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*
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* Copyright (C) 2011 Li Zhuoyi. All rights reserved.
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* Author: Li Zhuoyi <lzyy.cn@gmail.com>
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* History: 0.1 2011-08-20 initial version
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*
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* 2011-11-1 Added support for larger MTD block sizes: Hal Glenn <hglenn@2g-eng.com>
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*
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* Derived from drivers/mtd/m25px.c
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*
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* Copyright (C) 2009-2011 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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||||||
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*
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||||||
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* 1. Redistributions of source code must retain the above copyright
|
||||||
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* notice, this list of conditions and the following disclaimer.
|
||||||
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in
|
||||||
|
* the documentation and/or other materials provided with the
|
||||||
|
* distribution.
|
||||||
|
* 3. Neither the name NuttX nor the names of its contributors may be
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||||||
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* used to endorse or promote products derived from this software
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||||||
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* without specific prior written permission.
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||||||
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*
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||||||
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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||||||
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||||
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||||
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||||
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||||
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||||
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||||
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||||
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||||
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||||
|
* POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
*
|
||||||
|
************************************************************************************/
|
||||||
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|
||||||
|
/************************************************************************************
|
||||||
|
* Included Files
|
||||||
|
************************************************************************************/
|
||||||
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|
||||||
|
#include <nuttx/config.h>
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||||||
|
|
||||||
|
#include <sys/types.h>
|
||||||
|
#include <stdint.h>
|
||||||
|
#include <stdbool.h>
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||||||
|
#include <stdlib.h>
|
||||||
|
#include <unistd.h>
|
||||||
|
#include <string.h>
|
||||||
|
#include <errno.h>
|
||||||
|
#include <debug.h>
|
||||||
|
|
||||||
|
#include <nuttx/kmalloc.h>
|
||||||
|
#include <nuttx/fs/ioctl.h>
|
||||||
|
#include <nuttx/i2c.h>
|
||||||
|
#include <nuttx/mtd.h>
|
||||||
|
|
||||||
|
#include "systemlib/perf_counter.h"
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Pre-processor Definitions
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
/*
|
||||||
|
* Configuration is as for the AT24 driver, but the CONFIG_MTD_AT24XX define should be
|
||||||
|
* omitted in order to avoid building the AT24XX driver as well.
|
||||||
|
*/
|
||||||
|
|
||||||
|
/* As a minimum, the size of the AT24 part and its 7-bit I2C address are required. */
|
||||||
|
|
||||||
|
#ifndef CONFIG_AT24XX_SIZE
|
||||||
|
# warning "Assuming AT24 size 64"
|
||||||
|
# define CONFIG_AT24XX_SIZE 64
|
||||||
|
#endif
|
||||||
|
#ifndef CONFIG_AT24XX_ADDR
|
||||||
|
# warning "Assuming AT24 address of 0x50"
|
||||||
|
# define CONFIG_AT24XX_ADDR 0x50
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* Get the part configuration based on the size configuration */
|
||||||
|
|
||||||
|
#if CONFIG_AT24XX_SIZE == 32
|
||||||
|
# define AT24XX_NPAGES 128
|
||||||
|
# define AT24XX_PAGESIZE 32
|
||||||
|
#elif CONFIG_AT24XX_SIZE == 48
|
||||||
|
# define AT24XX_NPAGES 192
|
||||||
|
# define AT24XX_PAGESIZE 32
|
||||||
|
#elif CONFIG_AT24XX_SIZE == 64
|
||||||
|
# define AT24XX_NPAGES 256
|
||||||
|
# define AT24XX_PAGESIZE 32
|
||||||
|
#elif CONFIG_AT24XX_SIZE == 128
|
||||||
|
# define AT24XX_NPAGES 256
|
||||||
|
# define AT24XX_PAGESIZE 64
|
||||||
|
#elif CONFIG_AT24XX_SIZE == 256
|
||||||
|
# define AT24XX_NPAGES 512
|
||||||
|
# define AT24XX_PAGESIZE 64
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* For applications where a file system is used on the AT24, the tiny page sizes
|
||||||
|
* will result in very inefficient FLASH usage. In such cases, it is better if
|
||||||
|
* blocks are comprised of "clusters" of pages so that the file system block
|
||||||
|
* size is, say, 256 or 512 bytes. In any event, the block size *must* be an
|
||||||
|
* even multiple of the pages.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#ifndef CONFIG_AT24XX_MTD_BLOCKSIZE
|
||||||
|
# warning "Assuming driver block size is the same as the FLASH page size"
|
||||||
|
# define CONFIG_AT24XX_MTD_BLOCKSIZE AT24XX_PAGESIZE
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* The AT24 does not respond on the bus during write cycles, so we depend on a long
|
||||||
|
* timeout to detect problems. The max program time is typically ~5ms.
|
||||||
|
*/
|
||||||
|
#ifndef CONFIG_AT24XX_WRITE_TIMEOUT_MS
|
||||||
|
# define CONFIG_AT24XX_WRITE_TIMEOUT_MS 20
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Private Types
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
/* This type represents the state of the MTD device. The struct mtd_dev_s
|
||||||
|
* must appear at the beginning of the definition so that you can freely
|
||||||
|
* cast between pointers to struct mtd_dev_s and struct at24c_dev_s.
|
||||||
|
*/
|
||||||
|
|
||||||
|
struct at24c_dev_s {
|
||||||
|
struct mtd_dev_s mtd; /* MTD interface */
|
||||||
|
FAR struct i2c_dev_s *dev; /* Saved I2C interface instance */
|
||||||
|
uint8_t addr; /* I2C address */
|
||||||
|
uint16_t pagesize; /* 32, 63 */
|
||||||
|
uint16_t npages; /* 128, 256, 512, 1024 */
|
||||||
|
|
||||||
|
perf_counter_t perf_reads;
|
||||||
|
perf_counter_t perf_writes;
|
||||||
|
perf_counter_t perf_resets;
|
||||||
|
perf_counter_t perf_read_retries;
|
||||||
|
perf_counter_t perf_read_errors;
|
||||||
|
perf_counter_t perf_write_errors;
|
||||||
|
};
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Private Function Prototypes
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
/* MTD driver methods */
|
||||||
|
|
||||||
|
static int at24c_erase(FAR struct mtd_dev_s *dev, off_t startblock, size_t nblocks);
|
||||||
|
static ssize_t at24c_bread(FAR struct mtd_dev_s *dev, off_t startblock,
|
||||||
|
size_t nblocks, FAR uint8_t *buf);
|
||||||
|
static ssize_t at24c_bwrite(FAR struct mtd_dev_s *dev, off_t startblock,
|
||||||
|
size_t nblocks, FAR const uint8_t *buf);
|
||||||
|
static int at24c_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg);
|
||||||
|
|
||||||
|
void at24c_test(void);
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Private Data
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
/* At present, only a single AT24 part is supported. In this case, a statically
|
||||||
|
* allocated state structure may be used.
|
||||||
|
*/
|
||||||
|
|
||||||
|
static struct at24c_dev_s g_at24c;
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Private Functions
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
static int at24c_eraseall(FAR struct at24c_dev_s *priv)
|
||||||
|
{
|
||||||
|
int startblock = 0;
|
||||||
|
uint8_t buf[AT24XX_PAGESIZE + 2];
|
||||||
|
|
||||||
|
struct i2c_msg_s msgv[1] = {
|
||||||
|
{
|
||||||
|
.addr = priv->addr,
|
||||||
|
.flags = 0,
|
||||||
|
.buffer = &buf[0],
|
||||||
|
.length = sizeof(buf),
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
memset(&buf[2], 0xff, priv->pagesize);
|
||||||
|
|
||||||
|
for (startblock = 0; startblock < priv->npages; startblock++) {
|
||||||
|
uint16_t offset = startblock * priv->pagesize;
|
||||||
|
buf[1] = offset & 0xff;
|
||||||
|
buf[0] = (offset >> 8) & 0xff;
|
||||||
|
|
||||||
|
while (I2C_TRANSFER(priv->dev, &msgv[0], 1) < 0) {
|
||||||
|
fvdbg("erase stall\n");
|
||||||
|
usleep(10000);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return OK;
|
||||||
|
}
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Name: at24c_erase
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
static int at24c_erase(FAR struct mtd_dev_s *dev, off_t startblock, size_t nblocks)
|
||||||
|
{
|
||||||
|
/* EEprom need not erase */
|
||||||
|
|
||||||
|
return (int)nblocks;
|
||||||
|
}
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Name: at24c_test
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
void at24c_test(void)
|
||||||
|
{
|
||||||
|
uint8_t buf[CONFIG_AT24XX_MTD_BLOCKSIZE];
|
||||||
|
unsigned count = 0;
|
||||||
|
unsigned errors = 0;
|
||||||
|
|
||||||
|
for (count = 0; count < 10000; count++) {
|
||||||
|
ssize_t result = at24c_bread(&g_at24c.mtd, 0, 1, buf);
|
||||||
|
if (result == ERROR) {
|
||||||
|
if (errors++ > 2) {
|
||||||
|
vdbg("too many errors\n");
|
||||||
|
return;
|
||||||
|
}
|
||||||
|
} else if (result != 1) {
|
||||||
|
vdbg("unexpected %u\n", result);
|
||||||
|
}
|
||||||
|
if ((count % 100) == 0)
|
||||||
|
vdbg("test %u errors %u\n", count, errors);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Name: at24c_bread
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
static ssize_t at24c_bread(FAR struct mtd_dev_s *dev, off_t startblock,
|
||||||
|
size_t nblocks, FAR uint8_t *buffer)
|
||||||
|
{
|
||||||
|
FAR struct at24c_dev_s *priv = (FAR struct at24c_dev_s *)dev;
|
||||||
|
size_t blocksleft;
|
||||||
|
uint8_t addr[2];
|
||||||
|
int ret;
|
||||||
|
|
||||||
|
struct i2c_msg_s msgv[2] = {
|
||||||
|
{
|
||||||
|
.addr = priv->addr,
|
||||||
|
.flags = 0,
|
||||||
|
.buffer = &addr[0],
|
||||||
|
.length = sizeof(addr),
|
||||||
|
},
|
||||||
|
{
|
||||||
|
.addr = priv->addr,
|
||||||
|
.flags = I2C_M_READ,
|
||||||
|
.buffer = 0,
|
||||||
|
.length = priv->pagesize,
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
#if CONFIG_AT24XX_MTD_BLOCKSIZE > AT24XX_PAGESIZE
|
||||||
|
startblock *= (CONFIG_AT24XX_MTD_BLOCKSIZE / AT24XX_PAGESIZE);
|
||||||
|
nblocks *= (CONFIG_AT24XX_MTD_BLOCKSIZE / AT24XX_PAGESIZE);
|
||||||
|
#endif
|
||||||
|
blocksleft = nblocks;
|
||||||
|
|
||||||
|
fvdbg("startblock: %08lx nblocks: %d\n", (long)startblock, (int)nblocks);
|
||||||
|
|
||||||
|
if (startblock >= priv->npages) {
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (startblock + nblocks > priv->npages) {
|
||||||
|
nblocks = priv->npages - startblock;
|
||||||
|
}
|
||||||
|
|
||||||
|
while (blocksleft-- > 0) {
|
||||||
|
uint16_t offset = startblock * priv->pagesize;
|
||||||
|
unsigned tries = CONFIG_AT24XX_WRITE_TIMEOUT_MS;
|
||||||
|
|
||||||
|
addr[1] = offset & 0xff;
|
||||||
|
addr[0] = (offset >> 8) & 0xff;
|
||||||
|
msgv[1].buffer = buffer;
|
||||||
|
|
||||||
|
for (;;) {
|
||||||
|
|
||||||
|
perf_begin(priv->perf_reads);
|
||||||
|
ret = I2C_TRANSFER(priv->dev, &msgv[0], 2);
|
||||||
|
perf_end(priv->perf_reads);
|
||||||
|
|
||||||
|
if (ret >= 0)
|
||||||
|
break;
|
||||||
|
|
||||||
|
fvdbg("read stall");
|
||||||
|
usleep(1000);
|
||||||
|
|
||||||
|
/* We should normally only be here on the first read after
|
||||||
|
* a write.
|
||||||
|
*
|
||||||
|
* XXX maybe do special first-read handling with optional
|
||||||
|
* bus reset as well?
|
||||||
|
*/
|
||||||
|
perf_count(priv->perf_read_retries);
|
||||||
|
|
||||||
|
if (--tries == 0) {
|
||||||
|
perf_count(priv->perf_read_errors);
|
||||||
|
return ERROR;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
startblock++;
|
||||||
|
buffer += priv->pagesize;
|
||||||
|
}
|
||||||
|
|
||||||
|
#if CONFIG_AT24XX_MTD_BLOCKSIZE > AT24XX_PAGESIZE
|
||||||
|
return nblocks / (CONFIG_AT24XX_MTD_BLOCKSIZE / AT24XX_PAGESIZE);
|
||||||
|
#else
|
||||||
|
return nblocks;
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Name: at24c_bwrite
|
||||||
|
*
|
||||||
|
* Operates on MTD block's and translates to FLASH pages
|
||||||
|
*
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
static ssize_t at24c_bwrite(FAR struct mtd_dev_s *dev, off_t startblock, size_t nblocks,
|
||||||
|
FAR const uint8_t *buffer)
|
||||||
|
{
|
||||||
|
FAR struct at24c_dev_s *priv = (FAR struct at24c_dev_s *)dev;
|
||||||
|
size_t blocksleft;
|
||||||
|
uint8_t buf[AT24XX_PAGESIZE + 2];
|
||||||
|
int ret;
|
||||||
|
|
||||||
|
struct i2c_msg_s msgv[1] = {
|
||||||
|
{
|
||||||
|
.addr = priv->addr,
|
||||||
|
.flags = 0,
|
||||||
|
.buffer = &buf[0],
|
||||||
|
.length = sizeof(buf),
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
#if CONFIG_AT24XX_MTD_BLOCKSIZE > AT24XX_PAGESIZE
|
||||||
|
startblock *= (CONFIG_AT24XX_MTD_BLOCKSIZE / AT24XX_PAGESIZE);
|
||||||
|
nblocks *= (CONFIG_AT24XX_MTD_BLOCKSIZE / AT24XX_PAGESIZE);
|
||||||
|
#endif
|
||||||
|
blocksleft = nblocks;
|
||||||
|
|
||||||
|
if (startblock >= priv->npages) {
|
||||||
|
return 0;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (startblock + nblocks > priv->npages) {
|
||||||
|
nblocks = priv->npages - startblock;
|
||||||
|
}
|
||||||
|
|
||||||
|
fvdbg("startblock: %08lx nblocks: %d\n", (long)startblock, (int)nblocks);
|
||||||
|
|
||||||
|
while (blocksleft-- > 0) {
|
||||||
|
uint16_t offset = startblock * priv->pagesize;
|
||||||
|
unsigned tries = CONFIG_AT24XX_WRITE_TIMEOUT_MS;
|
||||||
|
|
||||||
|
buf[1] = offset & 0xff;
|
||||||
|
buf[0] = (offset >> 8) & 0xff;
|
||||||
|
memcpy(&buf[2], buffer, priv->pagesize);
|
||||||
|
|
||||||
|
for (;;) {
|
||||||
|
|
||||||
|
perf_begin(priv->perf_writes);
|
||||||
|
ret = I2C_TRANSFER(priv->dev, &msgv[0], 1);
|
||||||
|
perf_end(priv->perf_writes);
|
||||||
|
|
||||||
|
if (ret >= 0)
|
||||||
|
break;
|
||||||
|
|
||||||
|
fvdbg("write stall");
|
||||||
|
usleep(1000);
|
||||||
|
|
||||||
|
/* We expect to see a number of retries per write cycle as we
|
||||||
|
* poll for write completion.
|
||||||
|
*/
|
||||||
|
if (--tries == 0) {
|
||||||
|
perf_count(priv->perf_write_errors);
|
||||||
|
return ERROR;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
startblock++;
|
||||||
|
buffer += priv->pagesize;
|
||||||
|
}
|
||||||
|
|
||||||
|
#if CONFIG_AT24XX_MTD_BLOCKSIZE > AT24XX_PAGESIZE
|
||||||
|
return nblocks / (CONFIG_AT24XX_MTD_BLOCKSIZE / AT24XX_PAGESIZE);
|
||||||
|
#else
|
||||||
|
return nblocks;
|
||||||
|
#endif
|
||||||
|
}
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Name: at24c_ioctl
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
static int at24c_ioctl(FAR struct mtd_dev_s *dev, int cmd, unsigned long arg)
|
||||||
|
{
|
||||||
|
FAR struct at24c_dev_s *priv = (FAR struct at24c_dev_s *)dev;
|
||||||
|
int ret = -EINVAL; /* Assume good command with bad parameters */
|
||||||
|
|
||||||
|
fvdbg("cmd: %d \n", cmd);
|
||||||
|
|
||||||
|
switch (cmd) {
|
||||||
|
case MTDIOC_GEOMETRY: {
|
||||||
|
FAR struct mtd_geometry_s *geo = (FAR struct mtd_geometry_s *)((uintptr_t)arg);
|
||||||
|
|
||||||
|
if (geo) {
|
||||||
|
/* Populate the geometry structure with information need to know
|
||||||
|
* the capacity and how to access the device.
|
||||||
|
*
|
||||||
|
* NOTE: that the device is treated as though it where just an array
|
||||||
|
* of fixed size blocks. That is most likely not true, but the client
|
||||||
|
* will expect the device logic to do whatever is necessary to make it
|
||||||
|
* appear so.
|
||||||
|
*
|
||||||
|
* blocksize:
|
||||||
|
* May be user defined. The block size for the at24XX devices may be
|
||||||
|
* larger than the page size in order to better support file systems.
|
||||||
|
* The read and write functions translate BLOCKS to pages for the
|
||||||
|
* small flash devices
|
||||||
|
* erasesize:
|
||||||
|
* It has to be at least as big as the blocksize, bigger serves no
|
||||||
|
* purpose.
|
||||||
|
* neraseblocks
|
||||||
|
* Note that the device size is in kilobits and must be scaled by
|
||||||
|
* 1024 / 8
|
||||||
|
*/
|
||||||
|
|
||||||
|
#if CONFIG_AT24XX_MTD_BLOCKSIZE > AT24XX_PAGESIZE
|
||||||
|
geo->blocksize = CONFIG_AT24XX_MTD_BLOCKSIZE;
|
||||||
|
geo->erasesize = CONFIG_AT24XX_MTD_BLOCKSIZE;
|
||||||
|
geo->neraseblocks = (CONFIG_AT24XX_SIZE * 1024 / 8) / CONFIG_AT24XX_MTD_BLOCKSIZE;
|
||||||
|
#else
|
||||||
|
geo->blocksize = priv->pagesize;
|
||||||
|
geo->erasesize = priv->pagesize;
|
||||||
|
geo->neraseblocks = priv->npages;
|
||||||
|
#endif
|
||||||
|
ret = OK;
|
||||||
|
|
||||||
|
fvdbg("blocksize: %d erasesize: %d neraseblocks: %d\n",
|
||||||
|
geo->blocksize, geo->erasesize, geo->neraseblocks);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
|
||||||
|
case MTDIOC_BULKERASE:
|
||||||
|
ret = at24c_eraseall(priv);
|
||||||
|
break;
|
||||||
|
|
||||||
|
case MTDIOC_XIPBASE:
|
||||||
|
default:
|
||||||
|
ret = -ENOTTY; /* Bad command */
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Public Functions
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
/************************************************************************************
|
||||||
|
* Name: at24c_initialize
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* Create an initialize MTD device instance. MTD devices are not registered
|
||||||
|
* in the file system, but are created as instances that can be bound to
|
||||||
|
* other functions (such as a block or character driver front end).
|
||||||
|
*
|
||||||
|
************************************************************************************/
|
||||||
|
|
||||||
|
FAR struct mtd_dev_s *at24c_initialize(FAR struct i2c_dev_s *dev) {
|
||||||
|
FAR struct at24c_dev_s *priv;
|
||||||
|
|
||||||
|
fvdbg("dev: %p\n", dev);
|
||||||
|
|
||||||
|
/* Allocate a state structure (we allocate the structure instead of using
|
||||||
|
* a fixed, static allocation so that we can handle multiple FLASH devices.
|
||||||
|
* The current implementation would handle only one FLASH part per I2C
|
||||||
|
* device (only because of the SPIDEV_FLASH definition) and so would have
|
||||||
|
* to be extended to handle multiple FLASH parts on the same I2C bus.
|
||||||
|
*/
|
||||||
|
|
||||||
|
priv = &g_at24c;
|
||||||
|
|
||||||
|
if (priv) {
|
||||||
|
/* Initialize the allocated structure */
|
||||||
|
|
||||||
|
priv->addr = CONFIG_AT24XX_ADDR;
|
||||||
|
priv->pagesize = AT24XX_PAGESIZE;
|
||||||
|
priv->npages = AT24XX_NPAGES;
|
||||||
|
|
||||||
|
priv->mtd.erase = at24c_erase;
|
||||||
|
priv->mtd.bread = at24c_bread;
|
||||||
|
priv->mtd.bwrite = at24c_bwrite;
|
||||||
|
priv->mtd.ioctl = at24c_ioctl;
|
||||||
|
priv->dev = dev;
|
||||||
|
|
||||||
|
priv->perf_reads = perf_alloc(PC_ELAPSED, "EEPROM read");
|
||||||
|
priv->perf_writes = perf_alloc(PC_ELAPSED, "EEPROM write");
|
||||||
|
priv->perf_resets = perf_alloc(PC_COUNT, "EEPROM reset");
|
||||||
|
priv->perf_read_retries = perf_alloc(PC_COUNT, "EEPROM read retries");
|
||||||
|
priv->perf_read_errors = perf_alloc(PC_COUNT, "EEPROM read errors");
|
||||||
|
priv->perf_write_errors = perf_alloc(PC_COUNT, "EEPROM write errors");
|
||||||
|
}
|
||||||
|
|
||||||
|
/* attempt to read to validate device is present */
|
||||||
|
unsigned char buf[5];
|
||||||
|
uint8_t addrbuf[2] = {0, 0};
|
||||||
|
|
||||||
|
struct i2c_msg_s msgv[2] = {
|
||||||
|
{
|
||||||
|
.addr = priv->addr,
|
||||||
|
.flags = 0,
|
||||||
|
.buffer = &addrbuf[0],
|
||||||
|
.length = sizeof(addrbuf),
|
||||||
|
},
|
||||||
|
{
|
||||||
|
.addr = priv->addr,
|
||||||
|
.flags = I2C_M_READ,
|
||||||
|
.buffer = &buf[0],
|
||||||
|
.length = sizeof(buf),
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
perf_begin(priv->perf_reads);
|
||||||
|
int ret = I2C_TRANSFER(priv->dev, &msgv[0], 2);
|
||||||
|
perf_end(priv->perf_reads);
|
||||||
|
|
||||||
|
if (ret < 0) {
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
/* Return the implementation-specific state structure as the MTD device */
|
||||||
|
|
||||||
|
fvdbg("Return %p\n", priv);
|
||||||
|
return (FAR struct mtd_dev_s *)priv;
|
||||||
|
}
|
||||||
|
|
||||||
|
/*
|
||||||
|
* XXX: debug hackery
|
||||||
|
*/
|
||||||
|
int at24c_nuke(void)
|
||||||
|
{
|
||||||
|
return at24c_eraseall(&g_at24c);
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,265 @@
|
||||||
|
/****************************************************************************
|
||||||
|
*
|
||||||
|
* Copyright (C) 2012 PX4 Development Team. All rights reserved.
|
||||||
|
* Author: Lorenz Meier <lm@inf.ethz.ch>
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions
|
||||||
|
* are met:
|
||||||
|
*
|
||||||
|
* 1. Redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer.
|
||||||
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in
|
||||||
|
* the documentation and/or other materials provided with the
|
||||||
|
* distribution.
|
||||||
|
* 3. Neither the name PX4 nor the names of its contributors may be
|
||||||
|
* used to endorse or promote products derived from this software
|
||||||
|
* without specific prior written permission.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||||
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||||
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||||
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||||
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||||
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||||
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||||
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||||
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||||
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||||
|
* POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
*
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @file eeprom.c
|
||||||
|
*
|
||||||
|
* EEPROM service and utility app.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <nuttx/config.h>
|
||||||
|
|
||||||
|
#include <stdio.h>
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <string.h>
|
||||||
|
#include <stdbool.h>
|
||||||
|
#include <unistd.h>
|
||||||
|
#include <fcntl.h>
|
||||||
|
#include <sys/mount.h>
|
||||||
|
#include <sys/ioctl.h>
|
||||||
|
#include <sys/stat.h>
|
||||||
|
|
||||||
|
#include <nuttx/i2c.h>
|
||||||
|
#include <nuttx/mtd.h>
|
||||||
|
#include <nuttx/fs/nxffs.h>
|
||||||
|
#include <nuttx/fs/ioctl.h>
|
||||||
|
|
||||||
|
#include <arch/board/board.h>
|
||||||
|
|
||||||
|
#include "systemlib/systemlib.h"
|
||||||
|
#include "systemlib/param/param.h"
|
||||||
|
#include "systemlib/err.h"
|
||||||
|
|
||||||
|
#ifndef PX4_I2C_BUS_ONBOARD
|
||||||
|
# error PX4_I2C_BUS_ONBOARD not defined, cannot locate onboard EEPROM
|
||||||
|
#endif
|
||||||
|
|
||||||
|
__EXPORT int eeprom_main(int argc, char *argv[]);
|
||||||
|
|
||||||
|
static void eeprom_attach(void);
|
||||||
|
static void eeprom_start(void);
|
||||||
|
static void eeprom_erase(void);
|
||||||
|
static void eeprom_ioctl(unsigned operation);
|
||||||
|
static void eeprom_save(const char *name);
|
||||||
|
static void eeprom_load(const char *name);
|
||||||
|
static void eeprom_test(void);
|
||||||
|
|
||||||
|
static bool attached = false;
|
||||||
|
static bool started = false;
|
||||||
|
static struct mtd_dev_s *eeprom_mtd;
|
||||||
|
|
||||||
|
int eeprom_main(int argc, char *argv[])
|
||||||
|
{
|
||||||
|
if (argc >= 2) {
|
||||||
|
if (!strcmp(argv[1], "start"))
|
||||||
|
eeprom_start();
|
||||||
|
|
||||||
|
if (!strcmp(argv[1], "save_param"))
|
||||||
|
eeprom_save(argv[2]);
|
||||||
|
|
||||||
|
if (!strcmp(argv[1], "load_param"))
|
||||||
|
eeprom_load(argv[2]);
|
||||||
|
|
||||||
|
if (!strcmp(argv[1], "erase"))
|
||||||
|
eeprom_erase();
|
||||||
|
|
||||||
|
if (!strcmp(argv[1], "test"))
|
||||||
|
eeprom_test();
|
||||||
|
|
||||||
|
if (0) { /* these actually require a file on the filesystem... */
|
||||||
|
|
||||||
|
if (!strcmp(argv[1], "reformat"))
|
||||||
|
eeprom_ioctl(FIOC_REFORMAT);
|
||||||
|
|
||||||
|
if (!strcmp(argv[1], "repack"))
|
||||||
|
eeprom_ioctl(FIOC_OPTIMIZE);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
errx(1, "expected a command, try 'start'\n\t'save_param /eeprom/parameters'\n\t'load_param /eeprom/parameters'\n\t'erase'\n");
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
static void
|
||||||
|
eeprom_attach(void)
|
||||||
|
{
|
||||||
|
/* find the right I2C */
|
||||||
|
struct i2c_dev_s *i2c = up_i2cinitialize(PX4_I2C_BUS_ONBOARD);
|
||||||
|
/* this resets the I2C bus, set correct bus speed again */
|
||||||
|
I2C_SETFREQUENCY(i2c, 400000);
|
||||||
|
|
||||||
|
if (i2c == NULL)
|
||||||
|
errx(1, "failed to locate I2C bus");
|
||||||
|
|
||||||
|
/* start the MTD driver, attempt 5 times */
|
||||||
|
for (int i = 0; i < 5; i++) {
|
||||||
|
eeprom_mtd = at24c_initialize(i2c);
|
||||||
|
if (eeprom_mtd) {
|
||||||
|
/* abort on first valid result */
|
||||||
|
if (i > 0) {
|
||||||
|
warnx("warning: EEPROM needed %d attempts to attach", i+1);
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/* if last attempt is still unsuccessful, abort */
|
||||||
|
if (eeprom_mtd == NULL)
|
||||||
|
errx(1, "failed to initialize EEPROM driver");
|
||||||
|
|
||||||
|
attached = true;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
eeprom_start(void)
|
||||||
|
{
|
||||||
|
int ret;
|
||||||
|
|
||||||
|
if (started)
|
||||||
|
errx(1, "EEPROM already mounted");
|
||||||
|
|
||||||
|
if (!attached)
|
||||||
|
eeprom_attach();
|
||||||
|
|
||||||
|
/* start NXFFS */
|
||||||
|
ret = nxffs_initialize(eeprom_mtd);
|
||||||
|
|
||||||
|
if (ret < 0)
|
||||||
|
errx(1, "failed to initialize NXFFS - erase EEPROM to reformat");
|
||||||
|
|
||||||
|
/* mount the EEPROM */
|
||||||
|
ret = mount(NULL, "/eeprom", "nxffs", 0, NULL);
|
||||||
|
|
||||||
|
if (ret < 0)
|
||||||
|
errx(1, "failed to mount /eeprom - erase EEPROM to reformat");
|
||||||
|
|
||||||
|
started = true;
|
||||||
|
warnx("mounted EEPROM at /eeprom");
|
||||||
|
exit(0);
|
||||||
|
}
|
||||||
|
|
||||||
|
extern int at24c_nuke(void);
|
||||||
|
|
||||||
|
static void
|
||||||
|
eeprom_erase(void)
|
||||||
|
{
|
||||||
|
if (!attached)
|
||||||
|
eeprom_attach();
|
||||||
|
|
||||||
|
if (at24c_nuke())
|
||||||
|
errx(1, "erase failed");
|
||||||
|
|
||||||
|
errx(0, "erase done, reboot now");
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
eeprom_ioctl(unsigned operation)
|
||||||
|
{
|
||||||
|
int fd;
|
||||||
|
|
||||||
|
fd = open("/eeprom/.", 0);
|
||||||
|
|
||||||
|
if (fd < 0)
|
||||||
|
err(1, "open /eeprom");
|
||||||
|
|
||||||
|
if (ioctl(fd, operation, 0) < 0)
|
||||||
|
err(1, "ioctl");
|
||||||
|
|
||||||
|
exit(0);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
eeprom_save(const char *name)
|
||||||
|
{
|
||||||
|
if (!started)
|
||||||
|
errx(1, "must be started first");
|
||||||
|
|
||||||
|
if (!name)
|
||||||
|
err(1, "missing argument for device name, try '/eeprom/parameters'");
|
||||||
|
|
||||||
|
warnx("WARNING: 'eeprom save_param' deprecated - use 'param save' instead");
|
||||||
|
|
||||||
|
/* delete the file in case it exists */
|
||||||
|
unlink(name);
|
||||||
|
|
||||||
|
/* create the file */
|
||||||
|
int fd = open(name, O_WRONLY | O_CREAT | O_EXCL);
|
||||||
|
|
||||||
|
if (fd < 0)
|
||||||
|
err(1, "opening '%s' failed", name);
|
||||||
|
|
||||||
|
int result = param_export(fd, false);
|
||||||
|
close(fd);
|
||||||
|
|
||||||
|
if (result < 0) {
|
||||||
|
unlink(name);
|
||||||
|
errx(1, "error exporting to '%s'", name);
|
||||||
|
}
|
||||||
|
|
||||||
|
exit(0);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
eeprom_load(const char *name)
|
||||||
|
{
|
||||||
|
if (!started)
|
||||||
|
errx(1, "must be started first");
|
||||||
|
|
||||||
|
if (!name)
|
||||||
|
err(1, "missing argument for device name, try '/eeprom/parameters'");
|
||||||
|
|
||||||
|
warnx("WARNING: 'eeprom load_param' deprecated - use 'param load' instead");
|
||||||
|
|
||||||
|
int fd = open(name, O_RDONLY);
|
||||||
|
|
||||||
|
if (fd < 0)
|
||||||
|
err(1, "open '%s'", name);
|
||||||
|
|
||||||
|
int result = param_load(fd);
|
||||||
|
close(fd);
|
||||||
|
|
||||||
|
if (result < 0)
|
||||||
|
errx(1, "error importing from '%s'", name);
|
||||||
|
|
||||||
|
exit(0);
|
||||||
|
}
|
||||||
|
|
||||||
|
extern void at24c_test(void);
|
||||||
|
|
||||||
|
static void
|
||||||
|
eeprom_test(void)
|
||||||
|
{
|
||||||
|
at24c_test();
|
||||||
|
exit(0);
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,6 @@
|
||||||
|
#
|
||||||
|
# EEPROM file system driver
|
||||||
|
#
|
||||||
|
|
||||||
|
MODULE_COMMAND = eeprom
|
||||||
|
SRCS = 24xxxx_mtd.c eeprom.c
|
||||||
|
|
@ -0,0 +1,6 @@
|
||||||
|
#
|
||||||
|
# RAMTRON file system driver
|
||||||
|
#
|
||||||
|
|
||||||
|
MODULE_COMMAND = ramtron
|
||||||
|
SRCS = ramtron.c
|
||||||
|
|
@ -0,0 +1,268 @@
|
||||||
|
/****************************************************************************
|
||||||
|
*
|
||||||
|
* Copyright (C) 2013 PX4 Development Team. All rights reserved.
|
||||||
|
* Author: Lorenz Meier <lm@inf.ethz.ch>
|
||||||
|
*
|
||||||
|
* Redistribution and use in source and binary forms, with or without
|
||||||
|
* modification, are permitted provided that the following conditions
|
||||||
|
* are met:
|
||||||
|
*
|
||||||
|
* 1. Redistributions of source code must retain the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer.
|
||||||
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||||||
|
* notice, this list of conditions and the following disclaimer in
|
||||||
|
* the documentation and/or other materials provided with the
|
||||||
|
* distribution.
|
||||||
|
* 3. Neither the name PX4 nor the names of its contributors may be
|
||||||
|
* used to endorse or promote products derived from this software
|
||||||
|
* without specific prior written permission.
|
||||||
|
*
|
||||||
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||||
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||||
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||||
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||||
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||||
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||||
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||||
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||||
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||||
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||||
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||||
|
* POSSIBILITY OF SUCH DAMAGE.
|
||||||
|
*
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @file ramtron.c
|
||||||
|
*
|
||||||
|
* ramtron service and utility app.
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <nuttx/config.h>
|
||||||
|
|
||||||
|
#include <stdio.h>
|
||||||
|
#include <stdlib.h>
|
||||||
|
#include <string.h>
|
||||||
|
#include <stdbool.h>
|
||||||
|
#include <unistd.h>
|
||||||
|
#include <fcntl.h>
|
||||||
|
#include <sys/mount.h>
|
||||||
|
#include <sys/ioctl.h>
|
||||||
|
#include <sys/stat.h>
|
||||||
|
|
||||||
|
#include <nuttx/spi.h>
|
||||||
|
#include <nuttx/mtd.h>
|
||||||
|
#include <nuttx/fs/nxffs.h>
|
||||||
|
#include <nuttx/fs/ioctl.h>
|
||||||
|
|
||||||
|
#include <arch/board/board.h>
|
||||||
|
|
||||||
|
#include "systemlib/systemlib.h"
|
||||||
|
#include "systemlib/param/param.h"
|
||||||
|
#include "systemlib/err.h"
|
||||||
|
|
||||||
|
__EXPORT int ramtron_main(int argc, char *argv[]);
|
||||||
|
|
||||||
|
static void ramtron_attach(void);
|
||||||
|
static void ramtron_start(void);
|
||||||
|
static void ramtron_erase(void);
|
||||||
|
static void ramtron_ioctl(unsigned operation);
|
||||||
|
static void ramtron_save(const char *name);
|
||||||
|
static void ramtron_load(const char *name);
|
||||||
|
static void ramtron_test(void);
|
||||||
|
|
||||||
|
static bool attached = false;
|
||||||
|
static bool started = false;
|
||||||
|
static struct mtd_dev_s *ramtron_mtd;
|
||||||
|
|
||||||
|
int ramtron_main(int argc, char *argv[])
|
||||||
|
{
|
||||||
|
if (argc >= 2) {
|
||||||
|
if (!strcmp(argv[1], "start"))
|
||||||
|
ramtron_start();
|
||||||
|
|
||||||
|
if (!strcmp(argv[1], "save_param"))
|
||||||
|
ramtron_save(argv[2]);
|
||||||
|
|
||||||
|
if (!strcmp(argv[1], "load_param"))
|
||||||
|
ramtron_load(argv[2]);
|
||||||
|
|
||||||
|
if (!strcmp(argv[1], "erase"))
|
||||||
|
ramtron_erase();
|
||||||
|
|
||||||
|
if (!strcmp(argv[1], "test"))
|
||||||
|
ramtron_test();
|
||||||
|
|
||||||
|
if (0) { /* these actually require a file on the filesystem... */
|
||||||
|
|
||||||
|
if (!strcmp(argv[1], "reformat"))
|
||||||
|
ramtron_ioctl(FIOC_REFORMAT);
|
||||||
|
|
||||||
|
if (!strcmp(argv[1], "repack"))
|
||||||
|
ramtron_ioctl(FIOC_OPTIMIZE);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
errx(1, "expected a command, try 'start'\n\t'save_param /ramtron/parameters'\n\t'load_param /ramtron/parameters'\n\t'erase'\n");
|
||||||
|
}
|
||||||
|
|
||||||
|
struct mtd_dev_s *ramtron_initialize(FAR struct spi_dev_s *dev);
|
||||||
|
|
||||||
|
|
||||||
|
static void
|
||||||
|
ramtron_attach(void)
|
||||||
|
{
|
||||||
|
/* find the right spi */
|
||||||
|
struct spi_dev_s *spi = up_spiinitialize(2);
|
||||||
|
/* this resets the spi bus, set correct bus speed again */
|
||||||
|
// xxx set in ramtron driver, leave this out
|
||||||
|
// SPI_SETFREQUENCY(spi, 4000000);
|
||||||
|
SPI_SETFREQUENCY(spi, 375000000);
|
||||||
|
SPI_SETBITS(spi, 8);
|
||||||
|
SPI_SETMODE(spi, SPIDEV_MODE3);
|
||||||
|
SPI_SELECT(spi, SPIDEV_FLASH, false);
|
||||||
|
|
||||||
|
if (spi == NULL)
|
||||||
|
errx(1, "failed to locate spi bus");
|
||||||
|
|
||||||
|
/* start the MTD driver, attempt 5 times */
|
||||||
|
for (int i = 0; i < 5; i++) {
|
||||||
|
ramtron_mtd = ramtron_initialize(spi);
|
||||||
|
if (ramtron_mtd) {
|
||||||
|
/* abort on first valid result */
|
||||||
|
if (i > 0) {
|
||||||
|
warnx("warning: ramtron needed %d attempts to attach", i+1);
|
||||||
|
}
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
/* if last attempt is still unsuccessful, abort */
|
||||||
|
if (ramtron_mtd == NULL)
|
||||||
|
errx(1, "failed to initialize ramtron driver");
|
||||||
|
|
||||||
|
attached = true;
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
ramtron_start(void)
|
||||||
|
{
|
||||||
|
int ret;
|
||||||
|
|
||||||
|
if (started)
|
||||||
|
errx(1, "ramtron already mounted");
|
||||||
|
|
||||||
|
if (!attached)
|
||||||
|
ramtron_attach();
|
||||||
|
|
||||||
|
/* start NXFFS */
|
||||||
|
ret = nxffs_initialize(ramtron_mtd);
|
||||||
|
|
||||||
|
if (ret < 0)
|
||||||
|
errx(1, "failed to initialize NXFFS - erase ramtron to reformat");
|
||||||
|
|
||||||
|
/* mount the ramtron */
|
||||||
|
ret = mount(NULL, "/ramtron", "nxffs", 0, NULL);
|
||||||
|
|
||||||
|
if (ret < 0)
|
||||||
|
errx(1, "failed to mount /ramtron - erase ramtron to reformat");
|
||||||
|
|
||||||
|
started = true;
|
||||||
|
warnx("mounted ramtron at /ramtron");
|
||||||
|
exit(0);
|
||||||
|
}
|
||||||
|
|
||||||
|
//extern int at24c_nuke(void);
|
||||||
|
|
||||||
|
static void
|
||||||
|
ramtron_erase(void)
|
||||||
|
{
|
||||||
|
if (!attached)
|
||||||
|
ramtron_attach();
|
||||||
|
|
||||||
|
// if (at24c_nuke())
|
||||||
|
errx(1, "erase failed");
|
||||||
|
|
||||||
|
errx(0, "erase done, reboot now");
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
ramtron_ioctl(unsigned operation)
|
||||||
|
{
|
||||||
|
int fd;
|
||||||
|
|
||||||
|
fd = open("/ramtron/.", 0);
|
||||||
|
|
||||||
|
if (fd < 0)
|
||||||
|
err(1, "open /ramtron");
|
||||||
|
|
||||||
|
if (ioctl(fd, operation, 0) < 0)
|
||||||
|
err(1, "ioctl");
|
||||||
|
|
||||||
|
exit(0);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
ramtron_save(const char *name)
|
||||||
|
{
|
||||||
|
if (!started)
|
||||||
|
errx(1, "must be started first");
|
||||||
|
|
||||||
|
if (!name)
|
||||||
|
err(1, "missing argument for device name, try '/ramtron/parameters'");
|
||||||
|
|
||||||
|
warnx("WARNING: 'ramtron save_param' deprecated - use 'param save' instead");
|
||||||
|
|
||||||
|
/* delete the file in case it exists */
|
||||||
|
unlink(name);
|
||||||
|
|
||||||
|
/* create the file */
|
||||||
|
int fd = open(name, O_WRONLY | O_CREAT | O_EXCL);
|
||||||
|
|
||||||
|
if (fd < 0)
|
||||||
|
err(1, "opening '%s' failed", name);
|
||||||
|
|
||||||
|
int result = param_export(fd, false);
|
||||||
|
close(fd);
|
||||||
|
|
||||||
|
if (result < 0) {
|
||||||
|
unlink(name);
|
||||||
|
errx(1, "error exporting to '%s'", name);
|
||||||
|
}
|
||||||
|
|
||||||
|
exit(0);
|
||||||
|
}
|
||||||
|
|
||||||
|
static void
|
||||||
|
ramtron_load(const char *name)
|
||||||
|
{
|
||||||
|
if (!started)
|
||||||
|
errx(1, "must be started first");
|
||||||
|
|
||||||
|
if (!name)
|
||||||
|
err(1, "missing argument for device name, try '/ramtron/parameters'");
|
||||||
|
|
||||||
|
warnx("WARNING: 'ramtron load_param' deprecated - use 'param load' instead");
|
||||||
|
|
||||||
|
int fd = open(name, O_RDONLY);
|
||||||
|
|
||||||
|
if (fd < 0)
|
||||||
|
err(1, "open '%s'", name);
|
||||||
|
|
||||||
|
int result = param_load(fd);
|
||||||
|
close(fd);
|
||||||
|
|
||||||
|
if (result < 0)
|
||||||
|
errx(1, "error importing from '%s'", name);
|
||||||
|
|
||||||
|
exit(0);
|
||||||
|
}
|
||||||
|
|
||||||
|
//extern void at24c_test(void);
|
||||||
|
|
||||||
|
static void
|
||||||
|
ramtron_test(void)
|
||||||
|
{
|
||||||
|
// at24c_test();
|
||||||
|
exit(0);
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue