写一个STM32L051C8T6的代码，使用HAL库，使用内部EEPROM存储，要求上电发送进入地址设置指令，进入地址设定状态，保证7个RGBLED灭，然后在对应地址放入瓶子，轮询三次，相应的RGBLED闪三下，LED闪三下一样的绿色则最后显示绿灯，LED闪三下不同的（绿色或红色）则最后显示红灯，显示绿灯则串口1显示正确的地址，显示红灯则不显，当地址设定正确后，地址设定状态结束，进入工作状态，运行其他工作代码

以下是实现上述功能的示例代码，代码中用到了内部EEPROM存储和HAL库：

#include "main.h"
#include "stm32l0xx_hal.h"

#define EEPROM_ADDR 0x08080000 // 内部EEPROM起始地址
#define LED_NUM 7 // LED数量
#define POLL_TIMES 3 // 轮询次数

GPIO_TypeDef* LED_GPIO_Port[LED_NUM] = {GPIOA, GPIOA, GPIOA, GPIOA, GPIOA, GPIOB, GPIOB}; // LED的GPIO端口
uint16_t LED_Pin[LED_NUM] = {GPIO_PIN_0, GPIO_PIN_1, GPIO_PIN_2, GPIO_PIN_3, GPIO_PIN_4, GPIO_PIN_2, GPIO_PIN_10}; // LED的GPIO引脚

UART_HandleTypeDef huart1;

void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_USART1_UART_Init(void);

int main(void)
{
  HAL_Init();
  SystemClock_Config();
  MX_GPIO_Init();
  MX_USART1_UART_Init();

  // 上电发送进入地址设置指令
  uint8_t enter_addr_cmd[4] = {0x7E, 0xFF, 0x06, 0x41};
  HAL_UART_Transmit(&huart1, enter_addr_cmd, 4, HAL_MAX_DELAY);

  // 进入地址设定状态
  uint8_t addr_set[5] = {0x7E, 0xFF, 0x07, 0x41, 0x00};
  HAL_UART_Transmit(&huart1, addr_set, 5, HAL_MAX_DELAY);

  // 保证7个RGBLED灭
  for(int i=0; i<LED_NUM; i++){
    HAL_GPIO_WritePin(LED_GPIO_Port[i], LED_Pin[i], GPIO_PIN_RESET);
  }

  // 在对应地址放入瓶子
  uint8_t bottle_addr = 0x01;
  HAL_FLASHEx_DATAEEPROM_Unlock(); // 解锁EEPROM
  HAL_FLASHEx_DATAEEPROM_Program(FLASH_TYPEPROGRAMDATA_BYTE, EEPROM_ADDR, bottle_addr); // 写入EEPROM
  HAL_FLASHEx_DATAEEPROM_Lock(); // 锁定EEPROM

  // 轮询三次，相应的RGBLED闪三下
  uint8_t led_status[LED_NUM] = {0}; // 记录各个LED的状态
  for(int i=0; i<POLL_TIMES; i++){
    uint8_t read_addr_cmd[4] = {0x7E, 0xFF, 0x06, 0x42};
    HAL_UART_Transmit(&huart1, read_addr_cmd, 4, HAL_MAX_DELAY);

    uint8_t read_buf[10] = {0};
    HAL_UART_Receive(&huart1, read_buf, 10, HAL_MAX_DELAY);
    if(read_buf[3] == 0x42 && read_buf[4] == 0x00){
      uint8_t cur_addr = read_buf[5];
      if(cur_addr >= 1 && cur_addr <= LED_NUM){
        if(!led_status[cur_addr-1]){ // LED第一次闪烁
          HAL_GPIO_WritePin(LED_GPIO_Port[cur_addr-1], LED_Pin[cur_addr-1], GPIO_PIN_SET);
          led_status[cur_addr-1] = 1;
        }
        else if(led_status[cur_addr-1] == 1){ // LED第二次闪烁
          HAL_GPIO_WritePin(LED_GPIO_Port[cur_addr-1], LED_Pin[cur_addr-1], GPIO_PIN_RESET);
          led_status[cur_addr-1] = 2;
        }
        else{ // LED第三次闪烁
          HAL_GPIO_WritePin(LED_GPIO_Port[cur_addr-1], LED_Pin[cur_addr-1], GPIO_PIN_SET);
          led_status[cur_addr-1] = 0;
        }
      }
    }
  }

  // 判断最后的LED状态
  int led_count[2] = {0}; // 统计绿色和红色LED的数量
  for(int i=0; i<LED_NUM; i++){
    if(HAL_GPIO_ReadPin(LED_GPIO_Port[i], LED_Pin[i]) == GPIO_PIN_SET){
      if(i < 5){ // 前5个LED为绿色
        led_count[0]++;
      }
      else{ // 后2个LED为红色
        led_count[1]++;
      }
    }
  }

  // 最后显示绿灯或红灯
  if(led_count[1] > 0){ // 显示红灯，不显串口1
    HAL_GPIO_WritePin(LED_GPIO_Port[0], LED_Pin[0], GPIO_PIN_SET);
  }
  else{ // 显示绿灯，串口1显示正确的地址
    uint8_t read_addr_cmd[4] = {0x7E, 0xFF, 0x06, 0x42};
    HAL_UART_Transmit(&huart1, read_addr_cmd, 4, HAL_MAX_DELAY);

    uint8_t read_buf[10] = {0};
    HAL_UART_Receive(&huart1, read_buf, 10, HAL_MAX_DELAY);
    if(read_buf[3] == 0x42 && read_buf[4] == 0x00){
      uint8_t cur_addr = read_buf[5];
      char addr_str[20] = {0};
      sprintf(addr_str, "Address: %d\r\n", cur_addr);
      HAL_UART_Transmit(&huart1, (uint8_t*)addr_str, strlen(addr_str), HAL_MAX_DELAY);
    }
    HAL_GPIO_WritePin(LED_GPIO_Port[1], LED_Pin[1], GPIO_PIN_SET);
  }

  // 地址设定状态结束，进入工作状态
  uint8_t work_mode[5] = {0x7E, 0xFF, 0x06, 0x41, 0x01};
  HAL_UART_Transmit(&huart1, work_mode, 5, HAL_MAX_DELAY);

  while (1)
  {
    // 运行其他工作代码
  }
}

void SystemClock_Config(void)
{
  RCC_OscInitTypeDef RCC_OscInitStruct = {0};
  RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

  /** Configure LSE Drive Capability
  */
  HAL_PWR_EnableBkUpAccess();
  __HAL_RCC_LSEDRIVE_CONFIG(RCC_LSEDRIVE_LOW);
  HAL_PWR_DisableBkUpAccess();

  /** Initializes the RCC Oscillators according to the specified parameters
  * in the RCC_OscInitTypeDef structure.
  */
  RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_LSE;
  RCC_OscInitStruct.LSEState = RCC_LSE_ON;
  if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
  {
    Error_Handler();
  }
  /** Initializes the CPU, AHB and APB buses clocks
  */
  RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
                              |RCC_CLOCKTYPE_PCLK1;
  RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_LSE;
  RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
  RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;

  if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
  {
    Error_Handler();
  }
}

static void MX_USART1_UART_Init(void)
{
  huart1.Instance = USART1;
  huart1.Init.BaudRate = 9600;
  huart1.Init.WordLength = UART_WORDLENGTH_8B;
  huart1.Init.StopBits = UART_STOPBITS_1;
  huart1.Init.Parity = UART_PARITY_NONE;
  huart1.Init.Mode = UART_MODE_TX_RX;
  huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE;
  huart1.Init.OverSampling = UART_OVERSAMPLING_16;
  if (HAL_UART_Init(&huart1) != HAL_OK)
  {
    Error_Handler();
  }
}

static void MX_GPIO_Init(void)
{
  GPIO_InitTypeDef GPIO_InitStruct = {0};

  __HAL_RCC_GPIOA_CLK_ENABLE();
  __HAL_RCC_GPIOB_CLK_ENABLE();

  // 初始化LED的GPIO端口
  for(int i=0; i<LED_NUM; i++){
    GPIO_InitStruct.Pin = LED_Pin[i];
    GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    HAL_GPIO_Init(LED_GPIO_Port[i], &GPIO_InitStruct);
  }
}