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38 lines
874 B
C++
38 lines
874 B
C++
#include "spi_mode.h"
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#include <stm32f37x_conf.h>
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uint8_t currentMode = 0;
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void InitSPIDisplay(void);
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void InitSPI(uint8_t mode)
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{
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if (currentMode != mode) {
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switch (mode) {
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case SPI_MODE_DISPLAY:
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InitSPIDisplay();
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break;
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case SPI_MODE_DAC0:
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case SPI_MODE_DAC1:
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case SPI_MODE_USB:
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break;
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}
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currentMode = mode;
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}
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}
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void InitSPIDisplay(void)
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{
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SPI_InitTypeDef spi_init;
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spi_init.SPI_Direction = SPI_Direction_2Lines_FullDuplex;
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spi_init.SPI_Mode = SPI_Mode_Master;
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spi_init.SPI_DataSize = SPI_DataSize_8b;
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spi_init.SPI_CPOL = SPI_CPOL_High;
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spi_init.SPI_CPHA = SPI_CPHA_2Edge;
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spi_init.SPI_NSS = SPI_NSS_Soft;
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spi_init.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_2;
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spi_init.SPI_FirstBit = SPI_FirstBit_MSB;
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spi_init.SPI_CRCPolynomial = 7;
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SPI_Init(SPI2, &spi_init);
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SPI_Cmd(SPI2, ENABLE);
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}
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