157 lines
4.8 KiB
C
157 lines
4.8 KiB
C
#include "user_spi.h"
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#define SPI_BUFFER_SIZE 255
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static uint8_t spi_rx_buffer[SPI_BUFFER_SIZE] = {0};
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int32_t spi_transmit_receive(SPI_HandleTypeDef *hspi, uint8_t *data_write, uint8_t bytes_number)
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{
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if (HAL_SPI_TransmitReceive(hspi, data_write, (uint8_t *)spi_rx_buffer, bytes_number, 1000) != HAL_OK)
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{
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return FAIL;
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}
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/* Copy the SPI receive buffer to the supplied data buffer to return to caller*/
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memcpy(data_write, spi_rx_buffer, bytes_number);
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return TRUE;
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}
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/**
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* @brief 初始化DAC161S997的SPI接口
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*
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* 该函数用于初始化DAC161S997的SPI接口，包括设置SPI的模式、方向、数据大小、时钟极性、时钟相位、NSS信号、波特率预分频器、起始位、TI模式、CRC计算和CRC多项式等参数。
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*
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* @return 无返回值
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*/
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void dac161s997_spi_init(void)
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{
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hspi1.Instance = SPI1;
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hspi1.Init.Mode = SPI_MODE_MASTER;
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hspi1.Init.Direction = SPI_DIRECTION_2LINES;
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hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
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hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
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hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
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hspi1.Init.NSS = SPI_NSS_SOFT;
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hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_32;
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hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
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hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
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hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
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hspi1.Init.CRCPolynomial = 10;
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if (HAL_SPI_Init(&hspi1) != HAL_OK)
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{
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Error_Handler();
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}
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}
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void dac161s997_cs_on(uint8_t dac_num)
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{
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switch (dac_num)
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{
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case DAC161S997_1:
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HAL_GPIO_WritePin(DAC1_CS_GPIO_Port, DAC1_CS_Pin, GPIO_PIN_RESET);
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break;
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case DAC161S997_2:
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HAL_GPIO_WritePin(DAC2_CS_GPIO_Port, DAC2_CS_Pin, GPIO_PIN_RESET);
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break;
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case DAC161S997_3:
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HAL_GPIO_WritePin(DAC3_CS_GPIO_Port, DAC3_CS_Pin, GPIO_PIN_RESET);
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break;
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case DAC161S997_4:
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HAL_GPIO_WritePin(DAC4_CS_GPIO_Port, DAC4_CS_Pin, GPIO_PIN_RESET);
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break;
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case DAC161S997_5:
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HAL_GPIO_WritePin(DAC5_CS_GPIO_Port, DAC5_CS_Pin, GPIO_PIN_RESET);
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break;
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case DAC161S997_6:
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HAL_GPIO_WritePin(DAC6_CS_GPIO_Port, DAC6_CS_Pin, GPIO_PIN_RESET);
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break;
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case DAC161S997_7:
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HAL_GPIO_WritePin(DAC7_CS_GPIO_Port, DAC7_CS_Pin, GPIO_PIN_RESET);
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break;
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case DAC161S997_8:
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HAL_GPIO_WritePin(DAC8_CS_GPIO_Port, DAC8_CS_Pin, GPIO_PIN_RESET);
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break;
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case DAC161S997_9:
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HAL_GPIO_WritePin(DAC9_CS_GPIO_Port, DAC9_CS_Pin, GPIO_PIN_RESET);
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break;
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case DAC161S997_10:
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HAL_GPIO_WritePin(DAC10_CS_GPIO_Port, DAC10_CS_Pin, GPIO_PIN_RESET);
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break;
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case DAC161S997_11:
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HAL_GPIO_WritePin(DAC11_CS_GPIO_Port, DAC11_CS_Pin, GPIO_PIN_RESET);
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break;
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case DAC161S997_12:
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HAL_GPIO_WritePin(DAC12_CS_GPIO_Port, DAC12_CS_Pin, GPIO_PIN_RESET);
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break;
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case DAC161S997_13:
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HAL_GPIO_WritePin(DAC13_CS_GPIO_Port, DAC13_CS_Pin, GPIO_PIN_RESET);
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break;
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case DAC161S997_14:
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HAL_GPIO_WritePin(DAC14_CS_GPIO_Port, DAC14_CS_Pin, GPIO_PIN_RESET);
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break;
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case DAC161S997_15:
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HAL_GPIO_WritePin(DAC15_CS_GPIO_Port, DAC15_CS_Pin, GPIO_PIN_RESET);
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break;
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case DAC161S997_16:
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HAL_GPIO_WritePin(DAC16_CS_GPIO_Port, DAC16_CS_Pin, GPIO_PIN_RESET);
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break;
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default:
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break;
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}
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}
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void dac161s997_cs_off(uint8_t dac_num)
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{
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switch (dac_num)
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{
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case DAC161S997_1:
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HAL_GPIO_WritePin(DAC1_CS_GPIO_Port, DAC1_CS_Pin, GPIO_PIN_SET);
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break;
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case DAC161S997_2:
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HAL_GPIO_WritePin(DAC2_CS_GPIO_Port, DAC2_CS_Pin, GPIO_PIN_SET);
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break;
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case DAC161S997_3:
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HAL_GPIO_WritePin(DAC3_CS_GPIO_Port, DAC3_CS_Pin, GPIO_PIN_SET);
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break;
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case DAC161S997_4:
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HAL_GPIO_WritePin(DAC4_CS_GPIO_Port, DAC4_CS_Pin, GPIO_PIN_SET);
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break;
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case DAC161S997_5:
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HAL_GPIO_WritePin(DAC5_CS_GPIO_Port, DAC5_CS_Pin, GPIO_PIN_SET);
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break;
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case DAC161S997_6:
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HAL_GPIO_WritePin(DAC6_CS_GPIO_Port, DAC6_CS_Pin, GPIO_PIN_SET);
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break;
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case DAC161S997_7:
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HAL_GPIO_WritePin(DAC7_CS_GPIO_Port, DAC7_CS_Pin, GPIO_PIN_SET);
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break;
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case DAC161S997_8:
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HAL_GPIO_WritePin(DAC8_CS_GPIO_Port, DAC8_CS_Pin, GPIO_PIN_SET);
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break;
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case DAC161S997_9:
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HAL_GPIO_WritePin(DAC9_CS_GPIO_Port, DAC9_CS_Pin, GPIO_PIN_SET);
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break;
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case DAC161S997_10:
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HAL_GPIO_WritePin(DAC10_CS_GPIO_Port, DAC10_CS_Pin, GPIO_PIN_SET);
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break;
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case DAC161S997_11:
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HAL_GPIO_WritePin(DAC11_CS_GPIO_Port, DAC11_CS_Pin, GPIO_PIN_SET);
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break;
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case DAC161S997_12:
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HAL_GPIO_WritePin(DAC12_CS_GPIO_Port, DAC12_CS_Pin, GPIO_PIN_SET);
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break;
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case DAC161S997_13:
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HAL_GPIO_WritePin(DAC13_CS_GPIO_Port, DAC13_CS_Pin, GPIO_PIN_SET);
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break;
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case DAC161S997_14:
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HAL_GPIO_WritePin(DAC14_CS_GPIO_Port, DAC14_CS_Pin, GPIO_PIN_SET);
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break;
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case DAC161S997_15:
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HAL_GPIO_WritePin(DAC15_CS_GPIO_Port, DAC15_CS_Pin, GPIO_PIN_SET);
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break;
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case DAC161S997_16:
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HAL_GPIO_WritePin(DAC16_CS_GPIO_Port, DAC16_CS_Pin, GPIO_PIN_SET);
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break;
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default:
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break;
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}
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}
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