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蓝桥杯单片机设计与开发（蓝桥杯单片机设计与开发如何比赛）

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 <svg xmlns="http://www.w3.org/2000/svg" style="display: none;"> <path stroke-linecap="round" d="M5,0 0,2.5 5,5z" id="raphael-marker-block" style="-webkit-tap-highlight-color: rgba(0, 0, 0, 0);"></path> </svg> <p>BSP_LED_Lock();<br /> LED_DATA_SAVE &#61; LED_data;<br /> }</p>

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typedef enum
{
LED_ON = 1,
LED_OFF = 0,
LED_TOGGLE = 2
} LED_State;

void BSP_LED_SigleLED(uint8_t LED_num, LED_State state)
{
BSP_LED_Unlock();

if (state == LED_ON)
{
HAL_GPIO_WritePin(GPIOC, 0x0001 &lt;&lt; (LED_num + 7), GPIO_PIN_RESET);
}
else if (state == LED_OFF)
{
HAL_GPIO_WritePin(GPIOC, 0x0001 &lt;&lt; (LED_num + 7), GPIO_PIN_SET);
}
else if (state == LED_TOGGLE)
{
HAL_GPIO_TogglePin(GPIOC, 0x0001 &lt;&lt; (LED_num + 7));
}

 

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/* USER CODE BEGIN Init /
 LCD_Init();
 / USER CODE END Init /
 
  

/ Configure the system clock /
 SystemClock_Config();
 
  

/ USER CODE BEGIN SysInit /
 
  

/ USER CODE END SysInit /
 
  

/ Initialize all configured peripherals /
 MX_GPIO_Init();
 / USER CODE BEGIN 2 /
 LCD_Clear(Black);
 LCD_SetTextColor(White);
 LCD_SetBackColor(Black);
 LCD_DisplayStringLine(Line1, (unsigned char)“ DATA ”);
 /* USER CODE END 2 /
 
 
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char text[30];
 sprintf(text, “%d %.2f”, i, f);
 LCD_DisplayStringLine(Line2, (unsigned char)text);
 

 

/ @defgroup TIM_Exported_Functions_Group9 TIM Callbacks functions
 * @brief TIM Callbacks functions
 * @{
 /
 / Callback in non blocking modes (Interrupt and DMA) */
 void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim);
 void HAL_TIM_PeriodElapsedHalfCpltCallback(TIM_HandleTypeDef *htim);
 void HAL_TIM_OC_DelayElapsedCallback(TIM_HandleTypeDef *htim);
 void HAL_TIM_IC_CaptureCallback(TIM_HandleTypeDef *htim);
 void HAL_TIM_IC_CaptureHalfCpltCallback(TIM_HandleTypeDef *htim);
 void HAL_TIM_PWM_PulseFinishedCallback(TIM_HandleTypeDef *htim);
 void HAL_TIM_PWM_PulseFinishedHalfCpltCallback(TIM_HandleTypeDef *htim);
 void HAL_TIM_TriggerCallback(TIM_HandleTypeDef *htim);
 void HAL_TIM_TriggerHalfCpltCallback(TIM_HandleTypeDef *htim);
 void HAL_TIM_ErrorCallback(TIM_HandleTypeDef *htim);
 
 
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#ifndef __INTERRUPTH
 #define __INTERRUPTH
 
#include “main.h”
  

/
 * @brief 按键状态结构体
 */
 struct keys
 {
 uint8_t judge_state; // 状态机标志，0： 检测到一个低电平；1：确实被按下；2：等待抬起
 uint8_t key_state; // 按键是否被按下（信号来自GPIO输入）
 uint8_t key_isPressed; // 按键被按下标志位
 };
 

extern struct keys key[];
 

// void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim);
 

#endif
 

 

#include “interrupt.h”
 

struct keys key[4] = {0, 0, 0};
 

/
 * @brief TIM定时器定时中断回调函数
 */
 void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef htim)
 {
 if (htim-&gt;Instance == TIM3)
 {
 key[0].key_state = HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_0);
 key[1].key_state = HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_1);
 key[2].key_state = HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_2);
 key[3].key_state = HAL_GPIO_ReadPin(GPIOA, GPIO_PIN_0);
 
 
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/ 部分自动生成代码 ———————————————————–/
 
/ USER CODE END Header /
 / Includes ——————————————————————/
 #include “main.h”
 #include “tim.h”
 #include “gpio.h”
 
/ Private includes ———————————————————-/
 / USER CODE BEGIN Includes /
 #include &lt;stdio.h&gt;
 
#include “led.h”
 #include “lcd.h”
 #include “interrupt.h”
 / USER CODE END Includes /
 
/ 部分自动生成代码 ———————————————————–*/
  

/
 * @brief The application entry point.
 * @retval int
 /
 int main(void)
 {
 / USER CODE BEGIN 1 /
 
  

/ USER CODE END 1 /
 
  

/ MCU Configuration——————————————————–/
 
  

/ Reset of all peripherals, Initializes the Flash interface and the Systick. /
 HAL_Init();
 
  

/ USER CODE BEGIN Init /
 LCD_Init();
 / USER CODE END Init /
 
  

/ Configure the system clock /
 SystemClock_Config();
 
  

/ USER CODE BEGIN SysInit /
 
  

/ USER CODE END SysInit /
 
  

/ Initialize all configured peripherals /
 MX_GPIO_Init();
 MX_TIM3_Init();
 / USER CODE BEGIN 2 /
 HAL_TIM_Base_Start_IT(&htim3);
 
  

LCD_Clear(Black);
 LCD_SetTextColor(White);
 LCD_SetBackColor(Black);
 LCD_DisplayStringLine(Line1, (unsigned char)“ DATA ”);
 /* USER CODE END 2 /
 
  

/ Infinite loop /
 / USER CODE BEGIN WHILE /
 while (1)
 {
 / USER CODE END WHILE /
 
 
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}
 / USER CODE END 3 */
 }
 


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#ifndef __INTERRUPTH
 #define __INTERRUPTH
 

#include “main.h”
 

/
 * @brief 按键状态结构体
 */
 struct keys
 {
 uint8_t judge_state; // 状态机标志，0： 检测到一个低电平；1：确实被按下；2：等待抬起
 uint8_t key_state; // 按键是否被按下（信号来自GPIO输入）
 uint8_t key_isPressed; // 按键短按标志位
 
 
uint8_t key_long_flag; // 按键长按标志位
 uint32_t key_time; // 按键计时
 };
 
extern struct keys key[];
 
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim);
 
#endif
 
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#include “interrupt.h”
 
struct keys key[4] = {0, 0, 0, 0, 0};
  

/
 * @brief TIM定时器定时中断回调函数
 */
 void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef htim)
 {
 if (htim-&gt;Instance == TIM3)
 {
 key[0].key_state = HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_0);
 key[1].key_state = HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_1);
 key[2].key_state = HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_2);
 key[3].key_state = HAL_GPIO_ReadPin(GPIOA, GPIO_PIN_0);
 
 
 
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if (key[i].key_long_flag == 1)
 {
 sprintf(text, “B%d long down.”, i + 1);
 LCD_DisplayStringLine(Line4, (unsigned char)text);
 

 

}
 

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#ifndef __INTERRUPTH
 #define INTERRUPTH
 
 
#include “main.h”
 
/
 * @brief 按键状态结构体
 */
 struct keys
 {
 uint8_t judge_state; // 状态机标志，0： 检测到一个低电平；1：确实被按下；2：等待抬起
 uint8_t key_state; // 按键是否被按下（信号来自GPIO输入）
 uint8_t key_isPressed; // 按键短按标志位
 
uint32_t key_double_click_time; // 双击计时器
 uint8_t key_double_click_EN; // 双击计时器使能
 uint8_t key_double_click_flag; // 双击标志位
 };
 
extern struct keys key[];
 
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim);
 
#endif
 
 
#include “interrupt.h”
 
struct keys key[4] = {0};
  

/
 * @brief TIM定时器定时中断回调函数
 */
 void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef htim)
 {
 if (htim-&gt;Instance == TIM3)
 {
 key[0].key_state = HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_0);
 key[1].key_state = HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_1);
 key[2].key_state = HAL_GPIO_ReadPin(GPIOB, GPIO_PIN_2);
 key[3].key_state = HAL_GPIO_ReadPin(GPIOA, GPIO_PIN_0);
 
 
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/ Initialize all configured peripherals /
 MX_GPIO_Init();
 MX_TIM3_Init();
 MX_TIM16_Init();
 MX_TIM17_Init();
 / USER CODE BEGIN 2 */
 HAL_TIM_Base_Start_IT(&htim3); // Key Detect
 

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uint8_t PWM_PA6_Duty = 20;
 

HAL_TIM_SetCompare(&htim16, TIM_CHANNEL_1, PWM_PA6_Duty);
 

 

/* USER CODE BEGIN PV /
 uint8_t interface_num = 0; // interface number, 0 for first interface, 1 for another
 
  

uint8_t PWM_PA6_Duty = 20;
 uint8_t PWM_PA7_Duty = 20;
 / USER CODE END PV /
 
  

/ Private function prototypes ———————————————–/
 void SystemClock_Config(void);
 / USER CODE BEGIN PFP /
 void Key_Proc(void);
 void Display_Proc(void);
 / USER CODE END PFP /
 
  

/ Some Code… /
 
  

/ USER CODE BEGIN 4 */
 void Key_Proc(void)
 {
 if (key[0].key_isPressed == 1) // PB1
 {
 LCD_Clear(Black);
 interface_num ++;
 if (interface_num &gt; 1)
 {
 interface_num = 0;
 }
 key[0].key_isPressed = 0;
 }
 if (key[1].key_isPressed == 1 && interface_num == 1) // PB2, Display Interface 1
 {
 LCD_Clear(Black);
 PWM_PA6_Duty += 10;
 if (PWM_PA6_Duty &gt; 90)
 {
 PWM_PA6_Duty = 0;
 }
 

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}
 if (key[2].key_isPressed == 1 && interface_num == 1) // PB3, Display Interface 1
 {
 LCD_Clear(Black);
 PWM_PA7_Duty += 10;
 if (PWM_PA7_Duty &gt; 90)
 {
 PWM_PA7_Duty = 0;
 }
 

 

void Display_Proc(void)
 {
 char text[20];
 if (interface_num == 0) // Display Interface 1
 {
 // LCD_Clear(Black);
 sprintf(text, “ DATA ”);
 LCD_DisplayStringLine(Line1, (uint8_t *)text);
 }
 if (interface_num == 1) // Display Interface 2
 {
 // LCD_Clear(Black);
 sprintf(text, “ PARA ”);
 LCD_DisplayStringLine(Line1, (uint8_t *)text);
 sprintf(text, “ PA6:%d%% ”, PWM_PA6_Duty);
 LCD_DisplayStringLine(Line3, (uint8_t *)text);
 sprintf(text, “ PA7:%d%% ”, PWM_PA7_Duty);
 LCD_DisplayStringLine(Line4, (uint8_t )text);
 }
 }
 / USER CODE END 4 */
 

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/
 * @brief 输入捕获中断回调函数
 */
 void HAL_TIM_IC_CaptureCallback(TIM_HandleTypeDef *htim)
 {
 if (htim-&gt;Instance == TIM2) // IC signal from TIM2_CH1 (PA15, controlled by R40)
 {
 if (htim-&gt;Channel == HAL_TIM_ACTIVE_CHANNEL_2) {
 TIM2_CCR2_val = HAL_TIM_ReadCapturedValue(htim, TIM_CHANNEL_2);
 HAL_TIM_IC_Start(htim, TIM_CHANNEL_2); // Restart CH2 IC
 }
 if (htim-&gt;Channel == HAL_TIM_ACTIVE_CHANNEL_1) {
 TIM2_CCR1_val = HAL_TIM_ReadCapturedValue(htim, TIM_CHANNEL_1);
 __HAL_TIM_SetCounter(htim, 0); // Can be done by TRGO Reset?
 Freq_PA15 = ( / 80) / TIM2_CCR1_val;
 Duty_PA15 = (double)TIM2_CCR2_val / (double)TIM2_CCR1_val * 100;
 HAL_TIM_IC_Start(htim, TIM_CHANNEL_1); // Restart CH1 IC
 }
 }
 if (htim-&gt;Instance == TIM3) // IC signal from TIM3_CH1 (PB4, controlled by R39)
 {
 if (htim-&gt;Channel == HAL_TIM_ACTIVE_CHANNEL_2) {
 TIM3_CCR2_val = HAL_TIM_ReadCapturedValue(htim, TIM_CHANNEL_2);
 HAL_TIM_IC_Start(htim, TIM_CHANNEL_2); // Restart CH2 IC
 }
 if (htim-&gt;Channel == HAL_TIM_ACTIVE_CHANNEL_1) {
 
 
 
}
 
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void Display_Proc(void)
 {
 char text[20];
 if (interface_num == 0) // Display Interface 1
 {
 // LCD_Clear(Black);
 sprintf(text, “ DATA ”);
 LCD_DisplayStringLine(Line1, (uint8_t *)text);
 sprintf(text, “ Freq1:%dHz ”, Freq_PA15);
 LCD_DisplayStringLine(Line3, (uint8_t *)text);
 sprintf(text, “ Duty1:%.1lf%% ”, Duty_PA15);
 LCD_DisplayStringLine(Line4, (uint8_t *)text);
 sprintf(text, “ Freq2:%dHz ”, Freq_PB4);
 LCD_DisplayStringLine(Line5, (uint8_t *)text);
 sprintf(text, “ Duty2:%.1lf%% ”, Duty_PB4);
 LCD_DisplayStringLine(Line6, (uint8_t *)text);
 }
 if (interface_num == 1) // Display Interface 2
 {
 // LCD_Clear(Black);
 sprintf(text, “ PARA ”);
 LCD_DisplayStringLine(Line1, (uint8_t *)text);
 sprintf(text, “ PA6:%d%% ”, PWM_PA6_Duty);
 LCD_DisplayStringLine(Line3, (uint8_t *)text);
 sprintf(text, “ PA7:%d%% ”, PWM_PA7_Duty);
 LCD_DisplayStringLine(Line4, (uint8_t *)text);
 }
 }
 
 
#ifndef __BSP_ADCH
 #define __BSP_ADCH
 
#include “main.h”
 
double BSP_ADC_GetValue(ADC_HandleTypeDef *hadc);
 
#endif
 
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#include “BSP_adc.h”
 
double BSP_ADC_GetValue(ADC_HandleTypeDef *hadc)
 {
 uint16_t adc_value;
 HAL_ADC_Start(hadc);
 adc_value = HAL_ADC_GetValue(hadc);
 
 
}
 
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void BSP_ADC_GetValue(void)
 {
 HAL_ADC_Start(&hadc2);
 
// 获取IN13的值
 HAL_ADC_PollForConversion(&hadc2, 50);
 PA4_adc_value = HAL_ADC_GetValue(&hadc2);
 
// 获取IN17的值
 HAL_ADC_PollForConversion(&hadc2, 50);
 PA5_adc_value = HAL_ADC_GetValue(&hadc2);
 
HAL_ADC_Stop(&hadc2);
 
PA4_Voltage = (double)PA4_adc_value / 4096 * 3.3;
 PA5_Voltage = (double)PA5_adc_value / 4096 * 3.3;
 }
 
 
void EEPROM_WriteByte(uint8_t addr, uint8_t data)
 {
 I2CStart();
 I2CSendByte(0xA0); // slave device address, write command
 I2CWaitAck();
 I2CSendByte(addr); // byte address
 I2CWaitAck();
 I2CSendByte(data);
 I2CWaitAck();
 I2CStop();
 }
 
uint8_t EEPROM_ReadByte(uint8_t addr)
 {
 uint8_t data_temp;
 
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}
 
 
if (key[3].key_isPressed == 1)
 {
 LCD_Clear(Black);
 
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}
 
 
/* some code… */
 
void UART_Send(void)
 {
 char send_data[20];
 sprintf(send_data, “Freq = %d ”, Freq_PA15);
 HAL_UART_Transmit(&huart1, (uint8_t *)send_data, strlen(send_data), 50);
 }
 
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char ReceiveString[22];
 uint8_t RxByte;
 uint8_t RxIndex;
 uint8_t RxDoneFlag;
  

/
 * @brief 串口中断回调函数
 */
 void HAL_UART_RxCpltCallback(UART_HandleTypeDef huart)
 {
 ReceiveString[RxIndex ++] = RxByte; // RxIndex plus after assignment, first Receive is in main function
 
 
BSP_LED_Disp(0x01);
 if (RxByte == ‘ ’ || RxIndex == 22)
 {
 RxDoneFlag = 1;
 }
 
 
#include &lt;string.h&gt;
  

/ Some code… /
 
  

/ USER CODE BEGIN PV /
 char car_type[5];
 char car_data[5];
 char car_time[13];
 / USER CODE END PV /
 
  

/ Some code… */
 

void UART_Receive_Proc(void)
 {
 if (RxDoneFlag == 1)
 {
 if (RxIndex == 22)
 {
 sscanf(ReceiveString, “%4s:%4s:%12s”, car_type, car_data, car_time);
 }
 else
 {
 char send_data[20];
 sprintf(send_data, “Error ”);
 HAL_UART_Transmit(&huart1, (uint8_t )send_data, strlen(send_data), 50);
 }
 RxIndex = 0;
 memset(ReceiveString, 0, 22);
 RxDoneFlag = 0;
 }
 }
 
 
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/ Private function prototypes ———————————————–/
 void SystemClock_Config(void);
 / USER CODE BEGIN PFP /
 void Key_Proc(void);
 void Display_Proc(void);
 / USER CODE END PFP /
 
  

/ Some Code… /
 
  

/ USER CODE BEGIN 4 */
 void Key_Proc(void)
 {
 if (key[0].key_isPressed == 1) // PB1
 {
 LCD_Clear(Black);
 

 

}
 if (key[1].key_isPressed == 1 && interface_num == 1) // PB2, Display Interface 2
 {
 LCD_Clear(Black);
 

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}
 if (key[2].key_isPressed == 1 && interface_num == 1) // PB3, Display Interface 2
 {
 LCD_Clear(Black);
 

 

void Display_Proc(void)
 {
 char text[20];
 if (interface_num == 0) // Display Interface 1
 {
 // LCD_Clear(Black);
 sprintf(text, “ DATA ”);
 LCD_DisplayStringLine(Line1, (uint8_t *)text);
 }
 if (interface_num == 1) // Display Interface 2
 {
 // LCD_Clear(Black);
 sprintf(text, “ PARA ”);
 LCD_DisplayStringLine(Line1, (uint8_t )text);
 
  

}
 }
 / USER CODE END 4 */
 

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