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/* Includes ------------------------------------------------------------------*/
#include "main.h"
#include "stm32f1xx_hal.h"
/* USER CODE BEGIN Includes */
#include "bsp-lcd1602.h"
#include "delay.h"
/* USER CODE END Includes */
/* Private variables ---------------------------------------------------------*/
ADC_HandleTypeDef hadc1;
UART_HandleTypeDef huart1;
/* USER CODE BEGIN PV */
/* Private variables ---------------------------------------------------------*/
#define KEY0 HAL_GPIO_ReadPin(GPIOC,GPIO_PIN_0) //KEY0按鍵PC5
#define KEY1 HAL_GPIO_ReadPin(GPIOC,GPIO_PIN_1) //KEY1按鍵PA15
#define KEY0_PRESS 1
#define KEY1_PRESS 2
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
void Error_Handler(void);
static void MX_GPIO_Init(void);
static void MX_ADC1_Init(void);
static void MX_USART1_UART_Init(void);
/* USER CODE BEGIN PFP */
/* Private function prototypes -----------------------------------------------*/
int fputc(int ch, FILE *f)
{
HAL_UART_Transmit(&huart1, (uint8_t *)&ch, 1, 0xFFFF);
return ch;
}
/* USER CODE END PFP */
/* USER CODE BEGIN 0 */
void PrintFloat(float value)
{
int tmp,tmp1,tmp2,tmp3,tmp4,tmp5,tmp6;
tmp = (int)value;
tmp1=(int)((value-tmp)*10)%10;
tmp2=(int)((value-tmp)*100)%10;
tmp3=(int)((value-tmp)*1000)%10;
tmp4=(int)((value-tmp)*10000)%10;
tmp5=(int)((value-tmp)*100000)%10;
tmp6=(int)((value-tmp)*1000000)%10;
printf("%d.%d%d%d%d%d%d\r\n",tmp,tmp1,tmp2,tmp3,tmp4,tmp5,tmp6);
}
u8 KEY_Scan(u8 mode)
{
static u8 key_up=1;//按鍵按松開標志
if(mode)key_up=1; //支持連按
if(key_up&&(KEY0==0||KEY1==0))
{
HAL_Delay(10);//去抖動
key_up=0;
if(KEY0==0)return KEY0_PRESS;
else if(KEY1==0)return KEY1_PRESS;
}else if(KEY0==1&&KEY1==1)key_up=1;
return 0;// 無按鍵按下
}
/* USER CODE END 0 */
int main(void)
{
/* USER CODE BEGIN 1 */
u8 t=0,display_flag=0;
u8 a,b,c,d;
unsigned int value=0;
/* USER CODE END 1 */
/* MCU Configuration----------------------------------------------------------*/
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* Configure the system clock */
SystemClock_Config();
/* Initialize all configured peripherals */
MX_GPIO_Init();
MX_ADC1_Init();
MX_USART1_UART_Init();
/* USER CODE BEGIN 2 */
LCD1602_Init();
HAL_Delay(10); //延時一段時間
LCD1602_ShowStr(2,0,"Optical node",12);
LCD1602_ShowStr(0,1,"detection system",16);
HAL_Delay(1000);
LCD1602_WriteCmd( 0x01);//清屏
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
/* USER CODE END WHILE */
/* USER CODE BEGIN 3 */
if(HAL_ADC_Start(&hadc1)!=HAL_OK) //啟動ADC1
{
Error_Handler();
}
HAL_ADC_PollForConversion(&hadc1, 300) ;// 開始轉換
value=HAL_ADC_GetValue(&hadc1); //獲取轉換的結果
if(value==4095)
value=100;
else if(value==0)
value=0;
else value=value/41;
a=value/1000;
b=value%1000/100;
c=value%100/10;
d=value%100%10;
t=KEY_Scan(0);
if(t==KEY0_PRESS)
{
display_flag=1;
LCD1602_ShowStr(0,0,"Optical Power",13);
LCD1602_ShowStr(0,1,"Value=",6);
}
if(display_flag)
{
if(a!=0)
LCD_ShowNum(6,1,a);
else LCD1602_ShowStr(6,1," ",1); //顯示空白
if(b!=0)
LCD_ShowNum(7,1,b);
else LCD1602_ShowStr(7,1," ",1);//顯示空白
LCD_ShowNum(8,1,c);
LCD_ShowNum(9,1,d);
LCD1602_ShowStr(10,1,"dbm ",6);
}
if(t==KEY1_PRESS)
printf("%d\r\n",value); //輸出采樣值
// HAL_Delay(10);//延時10ms 輸入的正弦波信號的頻率為100Hz，波形的周期為10ms，根據自己的需求，可適當增加延時
}
/* USER CODE END 3 */
}
/** System Clock Configuration
*/
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_PeriphCLKInitTypeDef PeriphClkInit;
/**Initializes the CPU, AHB and APB busses clocks
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.HSICalibrationValue = 16;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}
/**Initializes the CPU, AHB and APB busses clocks
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
{
Error_Handler();
}
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_ADC;
PeriphClkInit.AdcClockSelection = RCC_ADCPCLK2_DIV2;
if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
{
Error_Handler();
}
/**Configure the Systick interrupt time
*/
HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
/**Configure the Systick
*/
HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
/* SysTick_IRQn interrupt configuration */
HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
}
/* ADC1 init function */
static void MX_ADC1_Init(void)
{
ADC_ChannelConfTypeDef sConfig;
/**Common config
*/
hadc1.Instance = ADC1;
hadc1.Init.ScanConvMode = ADC_SCAN_DISABLE;
hadc1.Init.ContinuousConvMode = DISABLE;
hadc1.Init.DiscontinuousConvMode = DISABLE;
hadc1.Init.ExternalTrigConv = ADC_SOFTWARE_START;
hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
hadc1.Init.NbrOfConversion = 1;
if (HAL_ADC_Init(&hadc1) != HAL_OK)
{
Error_Handler();
}
/**Configure Regular Channel
*/
sConfig.Channel = ADC_CHANNEL_2;
sConfig.Rank = 1;
sConfig.SamplingTime = ADC_SAMPLETIME_1CYCLE_5;
if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
{
Error_Handler();
}
}
/* USART1 init function */
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();
}
}
/** Configure pins as
* Analog
* Input
* Output
* EVENT_OUT
* EXTI
*/
static void MX_GPIO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStruct;
/* GPIO Ports Clock Enable */
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
/*Configure GPIO pins : PC0 PC1 */
GPIO_InitStruct.Pin = GPIO_PIN_0|GPIO_PIN_1;
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_PULLUP;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
/*Configure GPIO pins : DB0_Pin DB1_Pin DB2_Pin DB3_Pin
DB4_Pin DB5_Pin DB6_Pin DB7_Pin */
GPIO_InitStruct.Pin = DB0_Pin|DB1_Pin|DB2_Pin|DB3_Pin
|DB4_Pin|DB5_Pin|DB6_Pin|DB7_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_OD;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/*Configure GPIO pins : LCD1602_E_Pin LCD1602_RW_Pin LCD1602_RS_Pin */
GPIO_InitStruct.Pin = LCD1602_E_Pin|LCD1602_RW_Pin|LCD1602_RS_Pin;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
/*Configure GPIO pin Output Level */
HAL_GPIO_WritePin(GPIOB, DB0_Pin|DB1_Pin|DB2_Pin|LCD1602_E_Pin
|LCD1602_RW_Pin|LCD1602_RS_Pin|DB3_Pin|DB4_Pin
|DB5_Pin|DB6_Pin|DB7_Pin, GPIO_PIN_RESET);
}
/* USER CODE BEGIN 4 */
/* USER CODE END 4 */
/**
* @brief This function is executed in case of error occurrence.
* @param None
* @retval None
*/
void Error_Handler(void)
{
/* USER CODE BEGIN Error_Handler */
/* User can add his own implementation to report the HAL error return state */
while(1)
{
}
/* USER CODE END Error_Handler */
}
#ifdef USE_FULL_ASSERT
/**
* @brief Reports the name of the source file and the source line number
* where the assert_param error has occurred.
* @param file: pointer to the source file name
* @param line: assert_param error line source number
* @retval None
*/
void assert_failed(uint8_t* file, uint32_t line)
{
/* USER CODE BEGIN 6 */
/* User can add his own implementation to report the file name and line number,
ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
/* USER CODE END 6 */
}
#endif
/**
* @}
*/
/**
* @}
*/
/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/

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