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/*
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* spi.c
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*
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* Created on: Apr 8, 2024
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* Author: NikmaOS-W
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*/
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#include <spi.h>
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void DAC_SPI_Init(void)
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{
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GPIO_InitTypeDef GPIO_InitStructure={0};
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SPI_InitTypeDef SPI_InitStruct={0};
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_AFIO | RCC_APB2Periph_GPIOD|RCC_APB2Periph_GPIOC|RCC_APB2Periph_SPI1,ENABLE);
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// GPIO_PinRemapConfig(GPIO_Remap_SPI1, ENABLE);
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5 | GPIO_Pin_6;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
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GPIO_Init(GPIOC, &GPIO_InitStructure);
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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GPIO_Init(GPIOC, &GPIO_InitStructure);
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SPI_InitStruct.SPI_Direction = SPI_Direction_1Line_Tx;
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SPI_InitStruct.SPI_Mode = SPI_Mode_Master;
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SPI_InitStruct.SPI_DataSize = SPI_DataSize_8b;
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SPI_InitStruct.SPI_CPOL = SPI_CPOL_Low;
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SPI_InitStruct.SPI_CPHA = SPI_CPHA_2Edge;
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SPI_InitStruct.SPI_NSS = SPI_NSS_Soft;
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SPI_InitStruct.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_2;
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SPI_InitStruct.SPI_FirstBit = SPI_FirstBit_MSB;
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SPI_InitStruct.SPI_CRCPolynomial = 7;
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SPI_Init(SPI1, &SPI_InitStruct);
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SPI_Cmd(SPI1, ENABLE);
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}
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void DAC_Transmit(SPI_TypeDef *SPIx, uint8_t * Data, uint16_t Size)
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{
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for (uint16_t i=0; i < Size;i++){
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SPI_I2S_SendData(SPIx,(uint16_t*)Data[i]);
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while(SPI_I2S_GetFlagStatus( SPI1, SPI_I2S_FLAG_BSY ) == SET ){
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//Nothing
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};
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}
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}
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