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AP_BoardConfig: fixed FMUv1 IO update 

when doing an IO firmware update uartC is used to talk to the IO
bootloader. We need to close uartC to prevent corruption of the
bootloader protocol. The uart is automatically re-opened when it is
needed
This commit is contained in:
Andrew Tridgell 2017-07-22 14:24:22 +10:00
parent 199485beae
commit 401a6f5373
1 changed files with 10 additions and 0 deletions
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10
libraries/AP_BoardConfig/px4_drivers.cpp
View File

@ -294,6 +294,11 @@ void AP_BoardConfig::px4_setup_px4io(void)
// at power on
printf("Loading /etc/px4io/px4io.bin\n");
px4_tone_alarm("MBABGP");
#if defined(CONFIG_ARCH_BOARD_PX4FMU_V1)
// we need to close uartC to prevent conflict between bootloader and
// uartC reada
hal.uartC->end();
#endif
if (px4_start_driver(px4io_main, "px4io", "update /etc/px4io/px4io.bin")) {
printf("upgraded PX4IO firmware OK\n");
px4_tone_alarm("MSPAA");
@ -316,6 +321,11 @@ void AP_BoardConfig::px4_setup_px4io(void)
printf("PX4IO CRC OK\n");
} else {
printf("PX4IO CRC failure\n");
#if defined(CONFIG_ARCH_BOARD_PX4FMU_V1)
// we need to close uartC to prevent conflict between bootloader and
// uartC reada
hal.uartC->end();
#endif
px4_tone_alarm("MBABGP");
if (px4_start_driver(px4io_main, "px4io", "safety_on")) {
printf("PX4IO disarm OK\n");