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HAL_PX4: Adjust SPI params for ppro

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Add SPI prescalers for 180 MHz and decrease LIS3MDL SPI speed
This commit is contained in:
Kevin Lopez Alvarez 2017-07-06 12:58:18 +02:00 committed by Andrew Tridgell
parent 08b531e6a8
commit 16a96b0643
1 changed files with 21 additions and 2 deletions
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23
libraries/AP_HAL_PX4/SPIDevice.cpp
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@ -26,7 +26,7 @@
/* /*
NuttX on STM32 doesn't produce the exact SPI bus frequency NuttX on STM32 doesn't produce the exact SPI bus frequency
requested. This is a table mapping requested to achieved SPI requested. This is a table mapping requested to achieved SPI
frequency: frequency for a 168 MHz processor :
2 -> 1.3 MHz 2 -> 1.3 MHz
4 -> 2.6 MHz 4 -> 2.6 MHz
@ -42,6 +42,25 @@
20 -> 10 20 -> 10
21 -> 20 21 -> 20
28 -> 20 28 -> 20
For a 180 MHz processor :
2 -> 1.4 MHz
4 -> 2.8 MHz
6 -> 5.6 MHz
8 -> 5.6 MHz
10 -> 5.6 MHz
11 -> 5.6 MHz
12 -> 11.25 MHz
13 -> 11.25 MHz
14 -> 11.25 MHz
16 -> 11.25 MHz
18 -> 11.25 MHz
20 -> 11.25 MHz
22 -> 11.25 MHz
24 -> 22.5 MHz
28 -> 22.5 MHz
*/ */
namespace PX4 { namespace PX4 {
@ -94,7 +113,7 @@ SPIDesc SPIDeviceManager::device_table[] = {
SPIDesc("hmc5843", PX4_SPI_BUS_SENSORS, (spi_dev_e)PX4_SPIDEV_HMC, SPIDEV_MODE3, 11*MHZ, 11*MHZ), SPIDesc("hmc5843", PX4_SPI_BUS_SENSORS, (spi_dev_e)PX4_SPIDEV_HMC, SPIDEV_MODE3, 11*MHZ, 11*MHZ),
#endif #endif
#ifdef PX4_SPIDEV_LIS #ifdef PX4_SPIDEV_LIS
SPIDesc("lis3mdl", PX4_SPI_BUS_SENSORS, (spi_dev_e)PX4_SPIDEV_LIS, SPIDEV_MODE3, 1*MHZ, 1*MHZ), SPIDesc("lis3mdl", PX4_SPI_BUS_SENSORS, (spi_dev_e)PX4_SPIDEV_LIS, SPIDEV_MODE3, 500*KHZ, 500*KHZ),
#endif #endif
#ifdef PX4_SPI_BUS_EXT #ifdef PX4_SPI_BUS_EXT