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STM32F4 SPI configuration AFIO fixed #622

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merged 1 commit into from
Feb 13, 2024
Merged

STM32F4 SPI configuration AFIO fixed #622

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9 changes: 6 additions & 3 deletions uCNC/src/hal/mcus/stm32f4x/mcu_stm32f4x.c
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Original file line number Diff line number Diff line change
Expand Up @@ -639,9 +639,12 @@ void mcu_init(void)
#endif
#ifdef MCU_HAS_SPI
SPI_ENREG |= SPI_ENVAL;
mcu_config_af(SPI_SDI, SPI_AFIO);
mcu_config_af(SPI_CLK, SPI_AFIO);
mcu_config_af(SPI_SDO, SPI_AFIO);
mcu_config_af(SPI_SDI, SPI_SDI_AFIO);
mcu_config_af(SPI_CLK, SPI_CLK_AFIO);
mcu_config_af(SPI_SDO, SPI_SDO_AFIO);
#if ASSERT_PIN_IO(SPI_CS)
mcu_config_af(SPI_CS, SPI_CS_AFIO);
#endif
// initialize the SPI configuration register
SPI_REG->CR1 = SPI_CR1_SSM // software slave management enabled
| SPI_CR1_SSI // internal slave select
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