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#473

This commit is contained in:
rusefi 2017-08-17 09:09:30 -04:00
parent 0e76faac3b
commit db2720dfa8
1 changed files with 8 additions and 2 deletions
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10
firmware/hw_layer/mems.cpp
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@ -2,6 +2,7 @@
* @file mems.cpp
*
* stm32f4discovery has MEMS LIS302DL
* www.st.com/resource/en/datasheet/lis302dl.pdf
*
* SPI1
* LIS302DL_SPI_SCK PA5
@ -22,6 +23,11 @@ EXTERN_ENGINE;
void initMemsPins(DECLARE_ENGINE_PARAMETER_SIGNATURE) {
engineConfiguration->LIS302DLCsPin = GPIOE_3;
boardConfiguration->is_enabled_spi_1 = true;
// stm32f4discovery defaults
boardConfiguration->spi1mosiPin = GPIOA_7;
boardConfiguration->spi1misoPin = GPIOA_6;
boardConfiguration->spi1sckPin = GPIOA_5;
}
#if EFI_MEMS || defined(__DOXYGEN__)
@ -42,8 +48,8 @@ void initMems(DECLARE_ENGINE_PARAMETER_SIGNATURE) {
/* LIS302DL initialization.*/
lis302dlWriteRegister(spip, LIS302DL_CTRL_REG1, 0x43);
lis302dlWriteRegister(spip, LIS302DL_CTRL_REG2, 0x00);
lis302dlWriteRegister(spip, LIS302DL_CTRL_REG1, 0x47); // enable device, enable XYZ
lis302dlWriteRegister(spip, LIS302DL_CTRL_REG2, 0x00); // 4 wire mode
lis302dlWriteRegister(spip, LIS302DL_CTRL_REG3, 0x00);
int8_t x = (int8_t)lis302dlReadRegister(spip, LIS302DL_OUTX);