p_lusterinc_camera_focallength_encoder_subboard/usersrc/usermain.c

#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include "main.h"
#include "usart.h"
#include "spi.h"

#define READ_CMD 0xC0
#define SPI_TIMEOUT_VALUE 1000
#define SPI_CS_Enable() HAL_GPIO_WritePin(SPI_SEL_GPIO_Port, SPI_SEL_Pin, GPIO_PIN_RESET)
#define SPI_CS_Disable() HAL_GPIO_WritePin(SPI_SEL_GPIO_Port, SPI_SEL_Pin, GPIO_PIN_SET)

bool BSP_Read(uint8_t *pData, uint8_t register_address, uint32_t Size)
{
  uint8_t cmd;
  cmd = 0XCA;
  // if (register_address <= 0x3F)
  // {
  //   cmd += register_address;
  // }

  SPI_CS_Enable();
  HAL_SPI_Transmit(&hspi1, &cmd, 1, SPI_TIMEOUT_VALUE);
  // if (HAL_SPI_Receive(&hspi1, pData, Size, SPI_TIMEOUT_VALUE) != HAL_OK)
  // {
  //   return false;
  // }
  SPI_CS_Disable();
  return true;
}

void user_main()
{
  uint8_t temp;

  while (1)
  {
    BSP_Read(&temp, 0X3F, 1);
    // HAL_UART_Transmit(&huart1, &temp, 1, 100);
    // HAL_Delay(100);
  }
}