medical_beauty_photography/main/motor_drive.c

#include "motor_drive.h"

#include "driver/uart.h"
#include "esp_log.h"

#define MOTOR_DRIVE "MOTOR_DRIVE"

#define uart_num UART_NUM_1
#define tx_io_num 1
#define rx_io_num 2
#define buffer_size 128

void motor_drive_uart_init() {
  uart_config_t uart_config = {
      .baud_rate = 115200,
      .data_bits = UART_DATA_8_BITS,
      .parity = UART_PARITY_DISABLE,
      .stop_bits = UART_STOP_BITS_1,
      .flow_ctrl = UART_HW_FLOWCTRL_DISABLE,
      .source_clk = UART_SCLK_APB,
  };
  ESP_ERROR_CHECK(uart_driver_install(uart_num, buffer_size * 2, 0, 0, NULL, 0));

  ESP_ERROR_CHECK(uart_param_config(uart_num, &uart_config));

  ESP_ERROR_CHECK(uart_set_pin(uart_num, tx_io_num, rx_io_num, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE));
}

void motor_drive_turn(int direction, int speed_level, double position) {
  if ((direction > 2) || (direction < 0)) {
    ESP_LOGW(MOTOR_DRIVE, "Direction out of range");
  }
  if ((speed_level > 9) || (speed_level < 0)) {
    ESP_LOGW(MOTOR_DRIVE, "Speed level out of range");
  }
  if ((position > 360) || (position <= 0)) {
    ESP_LOGW(MOTOR_DRIVE, "Position out of range");
  }
  motor_drive_set_packages_ctr(position);
  uart_write_bytes(uart_num, "test", strlen("test"));
}

double motor_drive_read_encoder() {
  size_t encoder_buffer_size = 0;
  uint8_t buffer[20] = {0};
  uint16_t encoder_data = 0;

  // Generate cmd
  encoder_buffer_size = motor_drive_buffer_cmd_generate(buffer, 0x90, 4, 0X5A97FF00);
  if (encoder_buffer_size == 0) {
    ESP_LOGW(MOTOR_DRIVE, "generate_buffer_size null");
    return -1;
  }

  uart_flush(uart_num);
  // Send cmd
  uart_write_bytes(uart_num, (const char *)buffer, encoder_buffer_size);

  encoder_buffer_size = 0;
  memset(buffer, 0, sizeof(uint8_t) * 20);

  // Wait receive
  encoder_buffer_size = uart_read_bytes(uart_num, buffer, 12, 2000 / portTICK_RATE_MS);
  if (encoder_buffer_size != 12 || buffer[0] != 0X3E) {
    ESP_LOGW(MOTOR_DRIVE, "encoder size:%d,buffer[0] = 0X%x", encoder_buffer_size, buffer[0]);
    return -1;
  }

  // Parse receive
  motor_drive_buffer_cmd_parse(buffer);

  encoder_data = buffer[5] + (buffer[6] << 8);

  // parse motor usart
  return ((double)encoder_data/100);
}

void motor_drive_set_packages_data_max64bit(uint8_t cmd, uint8_t buffer_data_size, uint64_t buffer_data) {
  uint8_t buffer[20] = {0};

  motor_drive_buffer_cmd_generate(buffer, cmd, buffer_data_size, buffer_data);
}

void motor_drive_set_packages_ctr(double position) {
  int position_int = 0;
  uint8_t position_remainder = 0;
  uint8_t position_buffer_size = 5;  //从第五位开始(低位)
  uint8_t checksum = 0;
  uint8_t buffer[10] = {0x3E, 0XA7, 0X01, 0X04, 0XEA, 0X00, 0X00, 0X00, 0X00, 0X00};
  uint8_t strbuffer[20] = {0};

  position_int = position * 100;

  if (position_int != 0) {
    while ((position_int / 256) > 0) {
      position_remainder = position_int % 256;
      buffer[position_buffer_size] = position_remainder;
      position_buffer_size += 1;
      position_int = position_int / 256;
      checksum += position_remainder;
    }
    buffer[position_buffer_size] = position_int;
    checksum += position_int;
    checksum %= 256;
    buffer[9] = checksum;
  }
  for (int i = 0; i < 10; i++) {
    ESP_LOGI(MOTOR_DRIVE, "%d", buffer[i]);
  }
  motor_drive_hex_to_str((char *)buffer, 10, (char *)strbuffer);
  ESP_LOGI(MOTOR_DRIVE, "%s", strbuffer);
}

void motor_drive_hex_to_str(char *hex, int hex_len, char *str) {
  int i, pos = 0;

  for (i = 0; i < hex_len; i++)

  {
    sprintf(str + pos, "%02x", hex[i]);

    pos += 2;
  }
}

size_t motor_drive_buffer_cmd_generate(uint8_t *buffer, uint8_t cmd, uint8_t buffer_data_size, uint64_t buffer_data) {
  uint8_t i = 0;
  uint8_t checksum = 0;
  uint8_t buffer_data_uint8 = 0;
  uint8_t strbuffer[20] = {'\0'};
  uint8_t hex_to_str_size = buffer_data_size;
  if (buffer == NULL) {
    ESP_LOGW(MOTOR_DRIVE, "buffer nil ,init error");
    return 0;
  }
  buffer[0] = 0X3E;
  buffer[1] = cmd;
  buffer[2] = 0X1;
  buffer[3] = buffer_data_size;
  buffer[4] = (0X3E + cmd + 0X1 + buffer_data_size) % 255;

  if (buffer_data_size > 0) {
    hex_to_str_size = buffer_data_size + 1;
    for (i = 0; i < buffer_data_size; i++) {
      buffer_data_uint8 = buffer_data;
      buffer_data = buffer_data >> 8;
      buffer[5 + i] = buffer_data_uint8;
      checksum += buffer_data_uint8;
    }
    buffer[5 + buffer_data_size] = (checksum % 255);
  }

  motor_drive_hex_to_str((char *)buffer, (5 + hex_to_str_size), (char *)strbuffer);
  ESP_LOGI(MOTOR_DRIVE, "%s", strbuffer);
  motor_drive_buffer_cmd_parse(buffer);

  return (5 + hex_to_str_size);
}

void motor_drive_buffer_cmd_parse(uint8_t *buffer) {
  uint8_t i = 0;
  uint16_t temp_data_arr[(buffer[3] / 2)];
  ESP_LOGI(MOTOR_DRIVE, "=====buffer data size %d=====", buffer[3]);
  if (buffer == NULL) {
    ESP_LOGW(MOTOR_DRIVE, "cmd parse buffer null");
    return;
  }

  if (buffer[0] != 0X3E || buffer[2] != 0X01) {
    ESP_LOGW(MOTOR_DRIVE, "cmd parse buffer error");
    return;
  }

  for (i = 0; i < (buffer[3]); i += 2) {
    temp_data_arr[i] = buffer[5 + i] + (buffer[5 + i + 1] << 8);
    ESP_LOGI(MOTOR_DRIVE, "%d\n", temp_data_arr[i]);
  }
}

void motor_drive_set_motor_size() {}