2

.vscode/.cortex-debug.peripherals.state.json

@@ -0,0 +1 @@
+[]

.vscode/launch.json

@@ -18,7 +18,7 @@
             // "svdFile": "${workspaceFolder}/STM32F407.svd",
             "cwd": "${workspaceFolder}",
             "executable": "${workspaceFolder}/build/f407-2.elf",
-            
+            "svdFile": "${workspaceFolder}/STM32F40x.svd",
 
 
         }

Core/Inc/stm32f4xx_hal_conf.h

@@ -63,7 +63,7 @@
 /* #define HAL_SD_MODULE_ENABLED */
 /* #define HAL_MMC_MODULE_ENABLED */
 /* #define HAL_SPI_MODULE_ENABLED */
-/* #define HAL_TIM_MODULE_ENABLED */
+#define HAL_TIM_MODULE_ENABLED
 #define HAL_UART_MODULE_ENABLED
 /* #define HAL_USART_MODULE_ENABLED */
 /* #define HAL_IRDA_MODULE_ENABLED */

Core/Inc/stm32f4xx_it.h

@@ -55,6 +55,7 @@ void SVC_Handler(void);
 void DebugMon_Handler(void);
 void PendSV_Handler(void);
 void SysTick_Handler(void);
+void TIM2_IRQHandler(void);
 /* USER CODE BEGIN EFP */
 
 /* USER CODE END EFP */

Core/Src/gpio/bit_band.h

@@ -0,0 +1,55 @@
+
+#include "stm32f4xx.h"
+//IO口操作宏定义
+#define BITBAND(addr, bitnum) ((addr & 0xF0000000)+0x2000000+((addr &0xFFFFF)<<5)+(bitnum<<2)) 
+#define MEM_ADDR(addr)  *((volatile unsigned long  *)(addr)) 
+#define BIT_ADDR(addr, bitnum)   MEM_ADDR(BITBAND(addr, bitnum)) 
+//IO口地址映射
+#define GPIOA_ODR_Addr    (GPIOA_BASE+20) //0x40020014
+#define GPIOB_ODR_Addr    (GPIOB_BASE+20) //0x40020414 
+#define GPIOC_ODR_Addr    (GPIOC_BASE+20) //0x40020814 
+#define GPIOD_ODR_Addr    (GPIOD_BASE+20) //0x40020C14 
+#define GPIOE_ODR_Addr    (GPIOE_BASE+20) //0x40021014 
+#define GPIOF_ODR_Addr    (GPIOF_BASE+20) //0x40021414    
+#define GPIOG_ODR_Addr    (GPIOG_BASE+20) //0x40021814   
+#define GPIOH_ODR_Addr    (GPIOH_BASE+20) //0x40021C14    
+#define GPIOI_ODR_Addr    (GPIOI_BASE+20) //0x40022014     
+ 
+#define GPIOA_IDR_Addr    (GPIOA_BASE+16) //0x40020010 
+#define GPIOB_IDR_Addr    (GPIOB_BASE+16) //0x40020410 
+#define GPIOC_IDR_Addr    (GPIOC_BASE+16) //0x40020810 
+#define GPIOD_IDR_Addr    (GPIOD_BASE+16) //0x40020C10 
+#define GPIOE_IDR_Addr    (GPIOE_BASE+16) //0x40021010 
+#define GPIOF_IDR_Addr    (GPIOF_BASE+16) //0x40021410 
+#define GPIOG_IDR_Addr    (GPIOG_BASE+16) //0x40021810 
+#define GPIOH_IDR_Addr    (GPIOH_BASE+16) //0x40021C10 
+#define GPIOI_IDR_Addr    (GPIOI_BASE+16) //0x40022010 
+ 
+//IO口操作,只对单一的IO口!
+//确保n的值小于16!
+#define PAout(n)   BIT_ADDR(GPIOA_ODR_Addr,n)  //输出 
+#define PAin(n)    BIT_ADDR(GPIOA_IDR_Addr,n)  //输入 
+ 
+#define PBout(n)   BIT_ADDR(GPIOB_ODR_Addr,n)  //输出 
+#define PBin(n)    BIT_ADDR(GPIOB_IDR_Addr,n)  //输入 
+ 
+#define PCout(n)   BIT_ADDR(GPIOC_ODR_Addr,n)  //输出 
+#define PCin(n)    BIT_ADDR(GPIOC_IDR_Addr,n)  //输入 
+ 
+#define PDout(n)   BIT_ADDR(GPIOD_ODR_Addr,n)  //输出 
+#define PDin(n)    BIT_ADDR(GPIOD_IDR_Addr,n)  //输入 
+ 
+#define PEout(n)   BIT_ADDR(GPIOE_ODR_Addr,n)  //输出 
+#define PEin(n)    BIT_ADDR(GPIOE_IDR_Addr,n)  //输入
+ 
+#define PFout(n)   BIT_ADDR(GPIOF_ODR_Addr,n)  //输出 
+#define PFin(n)    BIT_ADDR(GPIOF_IDR_Addr,n)  //输入
+ 
+#define PGout(n)   BIT_ADDR(GPIOG_ODR_Addr,n)  //输出 
+#define PGin(n)    BIT_ADDR(GPIOG_IDR_Addr,n)  //输入
+ 
+#define PHout(n)   BIT_ADDR(GPIOH_ODR_Addr,n)  //输出 
+#define PHin(n)    BIT_ADDR(GPIOH_IDR_Addr,n)  //输入
+ 
+#define PIout(n)   BIT_ADDR(GPIOI_ODR_Addr,n)  //输出 
+#define PIin(n)    BIT_ADDR(GPIOI_IDR_Addr,n)  //输入

Core/Src/gpio/gpio_scan.c

@@ -0,0 +1,145 @@
+#include <stdio.h>
+#include "bit_band.h"
+#include "stm32f4xx_hal.h"
+#include "stm32f407xx.h"
+void gpio_input_set(GPIO_TypeDef *gpio, uint16_t pin)
+{
+    GPIO_InitTypeDef GPIO_InitStruct = {0};
+    GPIO_InitStruct.Pin = pin;
+    GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
+    GPIO_InitStruct.Pull = GPIO_PULLUP;
+    HAL_GPIO_Init(gpio, &GPIO_InitStruct);
+}
+void gpio_output_set(GPIO_TypeDef *gpio, uint16_t pin)
+{
+    GPIO_InitTypeDef GPIO_InitStruct = {0};
+    GPIO_InitStruct.Pin = pin;
+    GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
+    GPIO_InitStruct.Pull = GPIO_PULLUP;
+    HAL_GPIO_Init(gpio, &GPIO_InitStruct);
+}
+
+void gpio_init()
+{
+    // fan read
+    gpio_input_set(GPIOD, GPIO_PIN_4);
+    gpio_input_set(GPIOD, GPIO_PIN_5);
+    gpio_input_set(GPIOD, GPIO_PIN_6);
+    gpio_input_set(GPIOD, GPIO_PIN_7);
+    gpio_input_set(GPIOB, GPIO_PIN_4);
+    gpio_input_set(GPIOB, GPIO_PIN_3);
+    // pwm output
+    // gpio_output_set(GPIOC, GPIO_PIN_6);
+    // gpio_output_set(GPIOC, GPIO_PIN_7);
+    // gpio_output_set(GPIOC, GPIO_PIN_8);
+    // gpio_output_set(GPIOC, GPIO_PIN_9);
+
+    gpio_output_set(GPIOA, GPIO_PIN_5);
+}
+// void start_time()
+// {
+//     PAout(5) = 1;
+// }
+// void stop_time()
+// {
+//     PAout(5) = 0;
+// }
+static volatile char old[6];
+static volatile int cnt[6];
+static volatile int speed[6];
+
+#define GPIO_DETECT(state, reg, cnt) \
+    if (state)                       \
+    {                                \
+        if (reg == 0)                \
+        {                            \
+            reg = 1;                 \
+            cnt++;                   \
+        }                            \
+    }                                \
+    else                             \
+    {                                \
+        if (reg == 1)                \
+        {                            \
+            reg = 0;                 \
+        }                            \
+    }
+
+#define SAVE_SPEED(speed, cnt) \
+    {                          \
+        speed = cnt;           \
+        cnt = 0;               \
+    }
+void gpio_save_speed()
+{
+    SAVE_SPEED(speed[0], cnt[0]);
+    SAVE_SPEED(speed[1], cnt[1]);
+    SAVE_SPEED(speed[2], cnt[2]);
+    SAVE_SPEED(speed[3], cnt[3]);
+    SAVE_SPEED(speed[4], cnt[4]);
+    SAVE_SPEED(speed[5], cnt[5]);
+}
+void gpio_scan()
+{
+
+    char state = PDin(4);
+    GPIO_DETECT(state, old[0], cnt[0]);
+    state = PDin(5);
+    GPIO_DETECT(state, old[1], cnt[1]);
+    state = PDin(6);
+    GPIO_DETECT(state, old[2], cnt[2]);
+    state = PDin(7);
+    GPIO_DETECT(state, old[3], cnt[3]);
+    state = PBin(4);
+    GPIO_DETECT(state, old[4], cnt[4]);
+    state = PBin(3);
+    GPIO_DETECT(state, old[5], cnt[5]);
+    static int save = 0;
+    if (save > 1000)
+    {
+        gpio_save_speed();
+        save = 0;
+    }
+    else
+    {
+        save++;
+    }
+}
+
+static char duty[4] = {90, 60, 40, 10};
+static char now = 0;
+#define PWM_OUT(duty, now, io_deal) \
+    if (duty < now)                 \
+    {                               \
+        io_deal = 1;                \
+    }                               \
+    else                            \
+    {                               \
+        io_deal = 0;                \
+    }
+void gpio_pwm_output()
+{
+    // static char cnt = 0;
+    // if (cnt < 10)
+    // {
+    //     cnt++;
+    //     return;
+    // }
+    // cnt = 0;
+    // PAout(5) = 1;
+    // PCout(6) = 1;
+    // PCout(7) = 1;
+    // HAL_GPIO_WritePin(GPIOC,GPIO_PIN_6,1);
+    // PCout(8) = 1;
+    // PCout(9) = 1;
+    // PAout(5) = 0;
+    // PWM_OUT(duty[0], now, PCout(6));
+    // PWM_OUT(duty[1], now, PCout(7));
+    // PWM_OUT(duty[2], now, PCout(8));
+    // PWM_OUT(duty[3], now, PCout(9));
+    // now++;
+    // if (now == 99)
+    // {
+    //     now = 0;
+    // }
+}

Core/Src/main.c

@@ -40,6 +40,8 @@
 /* USER CODE END PM */
 
 /* Private variables ---------------------------------------------------------*/
+TIM_HandleTypeDef htim2;
+
 UART_HandleTypeDef huart1;
 
 /* USER CODE BEGIN PV */
@@ -50,6 +52,7 @@ UART_HandleTypeDef huart1;
 void SystemClock_Config(void);
 static void MX_GPIO_Init(void);
 static void MX_USART1_UART_Init(void);
+static void MX_TIM2_Init(void);
 /* USER CODE BEGIN PFP */
 void putChar(char c)
 {
@@ -92,8 +95,10 @@ int main(void)
   /* Initialize all configured peripherals */
   MX_GPIO_Init();
   MX_USART1_UART_Init();
+  MX_TIM2_Init();
   /* USER CODE BEGIN 2 */
-
+  extern void gpio_init();
+  gpio_init();
   /* USER CODE END 2 */
 
   /* Infinite loop */
@@ -153,6 +158,51 @@ void SystemClock_Config(void)
   }
 }
 
+/**
+  * @brief TIM2 Initialization Function
+  * @param None
+  * @retval None
+  */
+static void MX_TIM2_Init(void)
+{
+
+  /* USER CODE BEGIN TIM2_Init 0 */
+
+  /* USER CODE END TIM2_Init 0 */
+
+  TIM_ClockConfigTypeDef sClockSourceConfig = {0};
+  TIM_MasterConfigTypeDef sMasterConfig = {0};
+
+  /* USER CODE BEGIN TIM2_Init 1 */
+
+  /* USER CODE END TIM2_Init 1 */
+  htim2.Instance = TIM2;
+  htim2.Init.Prescaler = 84-1;
+  htim2.Init.CounterMode = TIM_COUNTERMODE_UP;
+  htim2.Init.Period = 1000-1;
+  htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
+  htim2.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
+  if (HAL_TIM_Base_Init(&htim2) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
+  if (HAL_TIM_ConfigClockSource(&htim2, &sClockSourceConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
+  sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
+  if (HAL_TIMEx_MasterConfigSynchronization(&htim2, &sMasterConfig) != HAL_OK)
+  {
+    Error_Handler();
+  }
+  /* USER CODE BEGIN TIM2_Init 2 */
+
+  /* USER CODE END TIM2_Init 2 */
+
+}
+
 /**
   * @brief USART1 Initialization Function
   * @param None
@@ -199,7 +249,6 @@ static void MX_GPIO_Init(void)
   /* GPIO Ports Clock Enable */
   __HAL_RCC_GPIOH_CLK_ENABLE();
   __HAL_RCC_GPIOA_CLK_ENABLE();
-  __HAL_RCC_GPIOB_CLK_ENABLE();
 
 /* USER CODE BEGIN MX_GPIO_Init_2 */
 /* USER CODE END MX_GPIO_Init_2 */

Core/Src/stm32f4xx_hal_msp.c

@@ -77,6 +77,56 @@ void HAL_MspInit(void)
   /* USER CODE END MspInit 1 */
 }
 
+/**
+* @brief TIM_Base MSP Initialization
+* This function configures the hardware resources used in this example
+* @param htim_base: TIM_Base handle pointer
+* @retval None
+*/
+void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* htim_base)
+{
+  if(htim_base->Instance==TIM2)
+  {
+  /* USER CODE BEGIN TIM2_MspInit 0 */
+
+  /* USER CODE END TIM2_MspInit 0 */
+    /* Peripheral clock enable */
+    __HAL_RCC_TIM2_CLK_ENABLE();
+    /* TIM2 interrupt Init */
+    HAL_NVIC_SetPriority(TIM2_IRQn, 0, 0);
+    HAL_NVIC_EnableIRQ(TIM2_IRQn);
+  /* USER CODE BEGIN TIM2_MspInit 1 */
+
+  /* USER CODE END TIM2_MspInit 1 */
+  }
+
+}
+
+/**
+* @brief TIM_Base MSP De-Initialization
+* This function freeze the hardware resources used in this example
+* @param htim_base: TIM_Base handle pointer
+* @retval None
+*/
+void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* htim_base)
+{
+  if(htim_base->Instance==TIM2)
+  {
+  /* USER CODE BEGIN TIM2_MspDeInit 0 */
+
+  /* USER CODE END TIM2_MspDeInit 0 */
+    /* Peripheral clock disable */
+    __HAL_RCC_TIM2_CLK_DISABLE();
+
+    /* TIM2 interrupt DeInit */
+    HAL_NVIC_DisableIRQ(TIM2_IRQn);
+  /* USER CODE BEGIN TIM2_MspDeInit 1 */
+
+  /* USER CODE END TIM2_MspDeInit 1 */
+  }
+
+}
+
 /**
 * @brief UART MSP Initialization
 * This function configures the hardware resources used in this example

Core/Src/stm32f4xx_it.c

@@ -55,7 +55,7 @@
 /* USER CODE END 0 */
 
 /* External variables --------------------------------------------------------*/
-
+extern TIM_HandleTypeDef htim2;
 /* USER CODE BEGIN EV */
 
 /* USER CODE END EV */
@@ -198,6 +198,24 @@ void SysTick_Handler(void)
 /* please refer to the startup file (startup_stm32f4xx.s).                    */
 /******************************************************************************/
 
+/**
+  * @brief This function handles TIM2 global interrupt.
+  */
+void TIM2_IRQHandler(void)
+{
+  /* USER CODE BEGIN TIM2_IRQn 0 */
+
+  /* USER CODE END TIM2_IRQn 0 */
+  HAL_TIM_IRQHandler(&htim2);
+  extern void gpio_scan();
+  gpio_scan();
+  extern void gpio_pwm_output();
+  gpio_pwm_output();
+  /* USER CODE BEGIN TIM2_IRQn 1 */
+
+  /* USER CODE END TIM2_IRQn 1 */
+}
+
 /* USER CODE BEGIN 1 */
 
 /* USER CODE END 1 */

Makefile

@@ -1,5 +1,5 @@
 ##########################################################################################################################
-# File automatically-generated by tool: [projectgenerator] version: [4.3.0-B58] date: [Wed Jun 12 16:18:59 CST 2024]
+# File automatically-generated by tool: [projectgenerator] version: [4.3.0-B58] date: [Wed Jun 12 16:44:57 CST 2024] 
 ##########################################################################################################################
 
 # ------------------------------------------------
@@ -58,7 +58,8 @@ Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_exti.c \
 Core/Src/system_stm32f4xx.c \
 Core/Src/sysmem.c \
 Core/Src/syscalls.c \
-Core/Src/debug.c 
+Core/Src/debug.c \
+Core/Src/gpio/gpio_scan.c
 
 # ASM sources
 ASM_SOURCES =  \
@@ -122,7 +123,8 @@ C_INCLUDES =  \
 -IDrivers/STM32F4xx_HAL_Driver/Inc \
 -IDrivers/STM32F4xx_HAL_Driver/Inc/Legacy \
 -IDrivers/CMSIS/Device/ST/STM32F4xx/Include \
--IDrivers/CMSIS/Include
+-IDrivers/CMSIS/Include \
+-ICore/Src/gpio 
 
 
 # compile gcc flags

f407-2.ioc

@@ -10,8 +10,9 @@ Mcu.Family=STM32F4
 Mcu.IP0=NVIC
 Mcu.IP1=RCC
 Mcu.IP2=SYS
-Mcu.IP3=USART1
+Mcu.IP3=TIM2
-Mcu.IPNb=4
+Mcu.IP4=USART1
+Mcu.IPNb=5
 Mcu.Name=STM32F407Z(E-G)Tx
 Mcu.Package=LQFP144
 Mcu.Pin0=PH0-OSC_IN
@@ -20,8 +21,8 @@ Mcu.Pin2=PA9
 Mcu.Pin3=PA10
 Mcu.Pin4=PA13
 Mcu.Pin5=PA14
-Mcu.Pin6=PB3
+Mcu.Pin6=VP_SYS_VS_Systick
-Mcu.Pin7=VP_SYS_VS_Systick
+Mcu.Pin7=VP_TIM2_VS_ClockSourceINT
 Mcu.PinsNb=8
 Mcu.ThirdPartyNb=0
 Mcu.UserConstants=
@@ -38,19 +39,18 @@ NVIC.PendSV_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 NVIC.PriorityGroup=NVIC_PRIORITYGROUP_4
 NVIC.SVCall_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 NVIC.SysTick_IRQn=true\:15\:0\:false\:false\:true\:false\:true\:false
+NVIC.TIM2_IRQn=true\:0\:0\:false\:false\:true\:true\:true\:true
 NVIC.UsageFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false
 PA10.Locked=true
 PA10.Mode=Asynchronous
 PA10.Signal=USART1_RX
-PA13.Mode=Trace_Asynchronous_SW
+PA13.Mode=Serial_Wire
 PA13.Signal=SYS_JTMS-SWDIO
-PA14.Mode=Trace_Asynchronous_SW
+PA14.Mode=Serial_Wire
 PA14.Signal=SYS_JTCK-SWCLK
 PA9.Locked=true
 PA9.Mode=Asynchronous
 PA9.Signal=USART1_TX
-PB3.Mode=Trace_Asynchronous_SW
-PB3.Signal=SYS_JTDO-SWO
 PH0-OSC_IN.Mode=HSE-External-Clock-Source
 PH0-OSC_IN.Signal=RCC_OSC_IN
 PH1-OSC_OUT.Mode=HSE-External-Clock-Source
@@ -119,8 +119,13 @@ RCC.VCOI2SOutputFreq_Value=384000000
 RCC.VCOInputFreq_Value=2000000
 RCC.VCOOutputFreq_Value=336000000
 RCC.VcooutputI2S=192000000
+TIM2.IPParameters=Prescaler,Period
+TIM2.Period=1000-1
+TIM2.Prescaler=84-1
 USART1.IPParameters=VirtualMode
 USART1.VirtualMode=VM_ASYNC
 VP_SYS_VS_Systick.Mode=SysTick
 VP_SYS_VS_Systick.Signal=SYS_VS_Systick
+VP_TIM2_VS_ClockSourceINT.Mode=Internal
+VP_TIM2_VS_ClockSourceINT.Signal=TIM2_VS_ClockSourceINT
 board=custom