PAJ7620U2传感器是一手势传感器,在得捷商城可以很轻松的找到规格书并下载
写的也很清楚
能够识别一些简单的手势,上下左右,向前向后,顺时针逆时针等此传感器是IIC接口,STM32H5的板卡上已经引出了相应的端口
根据原理图,我们使用了CN10的 3-5-7-9四个接口,分别是PB6-SCL PB7-SDA AVDD GND,不过模块上是一个2.0的端子接口,这里我直接使用了一个2.54转2.0接口的线,如下
硬件已经连接完成,这里我直接借用了坛友已经成功的驱动,只需要配置对应的IIC接口,添加驱动即可
点击生成即可
下边添加驱动
#include "paj7620.h" #include "stm32h5xx.h" // Device header #include "i2c.h" #include "usart.h" #include "stdio.h" // PAJ7620初始化寄存器数组:219对 {Address, value} uint8_t Paj7620Init_Reg_Array[][2] = { {0xEF, 0x00}, {0x32, 0x29}, {0x33, 0x01}, {0x34, 0x00}, {0x35, 0x01}, {0x36, 0x00}, {0x37, 0x07}, {0x38, 0x17}, {0x39, 0x06}, {0x3A, 0x12}, {0x3F, 0x00}, {0x40, 0x02}, {0x41, 0xFF}, {0x42, 0x01}, {0x46, 0x2D}, {0x47, 0x0F}, {0x48, 0x3C}, {0x49, 0x00}, {0x4A, 0x1E}, {0x4B, 0x00}, {0x4C, 0x20}, {0x4D, 0x00}, {0x4E, 0x1A}, {0x4F, 0x14}, {0x50, 0x00}, // 25 {0x51, 0x10}, {0x52, 0x00}, {0x5C, 0x02}, {0x5D, 0x00}, {0x5E, 0x10}, {0x5F, 0x3F}, {0x60, 0x27}, {0x61, 0x28}, {0x62, 0x00}, {0x63, 0x03}, {0x64, 0xF7}, {0x65, 0x03}, {0x66, 0xD9}, {0x67, 0x03}, {0x68, 0x01}, {0x69, 0xC8}, {0x6A, 0x40}, {0x6D, 0x04}, {0x6E, 0x00}, {0x6F, 0x00}, {0x70, 0x80}, {0x71, 0x00}, {0x72, 0x00}, {0x73, 0x00}, {0x74, 0xF0}, // 50 {0x75, 0x00}, {0x80, 0x42}, {0x81, 0x44}, {0x82, 0x04}, {0x83, 0x20}, {0x84, 0x20}, {0x85, 0x00}, {0x86, 0x10}, {0x87, 0x00}, {0x88, 0x05}, {0x89, 0x18}, {0x8A, 0x10}, {0x8B, 0x01}, {0x8C, 0x37}, {0x8D, 0x00}, {0x8E, 0xF0}, {0x8F, 0x81}, {0x90, 0x06}, {0x91, 0x06}, {0x92, 0x1E}, {0x93, 0x0D}, {0x94, 0x0A}, {0x95, 0x0A}, {0x96, 0x0C}, {0x97, 0x05}, // 75 {0x98, 0x0A}, {0x99, 0x41}, {0x9A, 0x14}, {0x9B, 0x0A}, {0x9C, 0x3F}, {0x9D, 0x33}, {0x9E, 0xAE}, {0x9F, 0xF9}, {0xA0, 0x48}, {0xA1, 0x13}, {0xA2, 0x10}, {0xA3, 0x08}, {0xA4, 0x30}, {0xA5, 0x19}, {0xA6, 0x10}, {0xA7, 0x08}, {0xA8, 0x24}, {0xA9, 0x04}, {0xAA, 0x1E}, {0xAB, 0x1E}, {0xCC, 0x19}, {0xCD, 0x0B}, {0xCE, 0x13}, {0xCF, 0x64}, {0xD0, 0x21}, // 100 {0xD1, 0x0F}, {0xD2, 0x88}, {0xE0, 0x01}, {0xE1, 0x04}, {0xE2, 0x41}, {0xE3, 0xD6}, {0xE4, 0x00}, {0xE5, 0x0C}, {0xE6, 0x0A}, {0xE7, 0x00}, {0xE8, 0x00}, {0xE9, 0x00}, {0xEE, 0x07}, {0xEF, 0x01}, {0x00, 0x1E}, {0x01, 0x1E}, {0x02, 0x0F}, {0x03, 0x10}, {0x04, 0x02}, {0x05, 0x00}, {0x06, 0xB0}, {0x07, 0x04}, {0x08, 0x0D}, {0x09, 0x0E}, {0x0A, 0x9C}, // 125 {0x0B, 0x04}, {0x0C, 0x05}, {0x0D, 0x0F}, {0x0E, 0x02}, {0x0F, 0x12}, {0x10, 0x02}, {0x11, 0x02}, {0x12, 0x00}, {0x13, 0x01}, {0x14, 0x05}, {0x15, 0x07}, {0x16, 0x05}, {0x17, 0x07}, {0x18, 0x01}, {0x19, 0x04}, {0x1A, 0x05}, {0x1B, 0x0C}, {0x1C, 0x2A}, {0x1D, 0x01}, {0x1E, 0x00}, {0x21, 0x00}, {0x22, 0x00}, {0x23, 0x00}, {0x25, 0x01}, {0x26, 0x00}, // 150 {0x27, 0x39}, {0x28, 0x7F}, {0x29, 0x08}, {0x30, 0x03}, {0x31, 0x00}, {0x32, 0x1A}, {0x33, 0x1A}, {0x34, 0x07}, {0x35, 0x07}, {0x36, 0x01}, {0x37, 0xFF}, {0x38, 0x36}, {0x39, 0x07}, {0x3A, 0x00}, {0x3E, 0xFF}, {0x3F, 0x00}, {0x40, 0x77}, {0x41, 0x40}, {0x42, 0x00}, {0x43, 0x30}, {0x44, 0xA0}, {0x45, 0x5C}, {0x46, 0x00}, {0x47, 0x00}, {0x48, 0x58}, // 175 {0x4A, 0x1E}, {0x4B, 0x1E}, {0x4C, 0x00}, {0x4D, 0x00}, {0x4E, 0xA0}, {0x4F, 0x80}, {0x50, 0x00}, {0x51, 0x00}, {0x52, 0x00}, {0x53, 0x00}, {0x54, 0x00}, {0x57, 0x80}, {0x59, 0x10}, {0x5A, 0x08}, {0x5B, 0x94}, {0x5C, 0xE8}, {0x5D, 0x08}, {0x5E, 0x3D}, {0x5F, 0x99}, {0x60, 0x45}, {0x61, 0x40}, {0x63, 0x2D}, {0x64, 0x02}, {0x65, 0x96}, {0x66, 0x00}, // 200 {0x67, 0x97}, {0x68, 0x01}, {0x69, 0xCD}, {0x6A, 0x01}, {0x6B, 0xB0}, {0x6C, 0x04}, {0x6D, 0x2C}, {0x6E, 0x01}, {0x6F, 0x32}, {0x71, 0x00}, {0x72, 0x01}, {0x73, 0x35}, {0x74, 0x00}, {0x75, 0x33}, {0x76, 0x31}, {0x77, 0x01}, {0x7C, 0x84}, {0x7D, 0x03}, {0x7E, 0x01}, // 219 }; // PAJ7620U2初始化,返回0则初始化失败 uint8_t paj7620_init(void) { uint8_t i, State, n; State = 0; // 写入BANK0区域前, 先向 0xEF 地址写0 while (HAL_OK != HAL_I2C_Mem_Write(&hi2c1, PAJ7620_I2C_ADDRESS, PAJ_BANK_SELECT, I2C_MEMADD_SIZE_8BIT, &State, 1, 500)) { HAL_Delay(5); printf("paj7620_init err: 1 \r\n"); } for (i = 0; i < 219; i++) { // 循环向BANK1中写入配置字节,共219字节 while (HAL_OK != HAL_I2C_Mem_Write(&hi2c1, PAJ7620_I2C_ADDRESS, Paj7620Init_Reg_Array[i][0], I2C_MEMADD_SIZE_8BIT, &Paj7620Init_Reg_Array[i][1], 1, 500)) { HAL_Delay(5); printf("paj7620_init err: 2 \r\n"); } HAL_Delay(5); } // 读取BANK0区域前, 先向 0xEF 地址写0 while (HAL_OK != HAL_I2C_Mem_Write(&hi2c1, PAJ7620_I2C_ADDRESS, PAJ_BANK_SELECT, I2C_MEMADD_SIZE_8BIT, &State, 1, 500)) { HAL_Delay(5); printf("paj7620_init err: 3 \r\n"); } HAL_Delay(5); // 读取地址0x32内存的值,存入n中 while (HAL_OK != HAL_I2C_Mem_Read(&hi2c1, PAJ7620_I2C_ADDRESS, 0x32, I2C_MEMADD_SIZE_8BIT, &n, 1, 500)) { HAL_Delay(5); printf("paj7620_init err: 4 \r\n"); } if (n != 0x29) { return 0; } return 1; } // 检测手势并输出 uint16_t getGesture(void) { uint8_t Data[2] = {0, 0}; uint16_t Gesture_Data; HAL_I2C_Mem_Read(&hi2c1, PAJ7620_I2C_ADDRESS, PAJ_INT_FLAG1, I2C_MEMADD_SIZE_8BIT, &Data[0], 1, 500); HAL_Delay(5); HAL_I2C_Mem_Read(&hi2c1, PAJ7620_I2C_ADDRESS, PAJ_INT_FLAG2, I2C_MEMADD_SIZE_8BIT, &Data[1], 1, 500); HAL_Delay(5); Gesture_Data = (Data[1] << 8) | Data[0]; // printf("\n %x \r\n", Gesture_Data); return Gesture_Data; } void usart_print_gesture(uint16_t status) // 通过串口打印手势信息 { if (status == PAJ_ZERO) // 未检测到任何手势 { return; } switch (status) { case PAJ_UP: printf("Up\r\n"); break; case PAJ_DOWN: printf("Down\r\n"); break; case PAJ_LEFT: printf("Left\r\n"); break; case PAJ_RIGHT: printf("Right\r\n"); break; case PAJ_FORWARD: printf("Forward\r\n"); break; case PAJ_BACKWARD: printf("Backward\r\n"); break; case PAJ_CLOCKWISE: printf("Clockwise\r\n"); break; case PAJ_COUNT_CLOCKWISE: printf("AntiClockwise\r\n"); break; case PAJ_WAVE: printf("Wave\r\n"); break; default: printf("Error Gesture value ~~~\r\n"); } }
#ifndef __PAJ7620_H__ #define __PAJ7620_H__ #include "stdint.h" //PAJ7620地址寄存器定义 #define PAJ7620_I2C_ADDRESS 0x73<<1 //paj7620的i2c地址,7bit #define PAJ_BANK_SELECT 0xEF //寄存器页选择寄存器:Bank0=0x00, Bank1=0x01 #define PAJ_INT_FLAG1 0x43 //检测结果数据低八位数据所在地址 #define PAJ_INT_FLAG2 0x44 //检测结果数据高八位数据所在地址 //手势状态定义 #define PAJ_ZERO 0x00 //未检测到任何手势 #define PAJ_UP 0x01 //上 #define PAJ_DOWN 0x02 //下 #define PAJ_LEFT 0x04 //左 #define PAJ_RIGHT 0x08 //右 #define PAJ_FORWARD 0x10 //接近 #define PAJ_BACKWARD 0x20 //远离 #define PAJ_CLOCKWISE 0x40 //顺时针旋转 #define PAJ_COUNT_CLOCKWISE 0x80 //逆时针旋转 #define PAJ_WAVE 0x100 //挥动 uint8_t paj7620_init(void); //PAJ7620U2初始化函数 uint16_t getGesture(void); //PAJ7620U2获取手势识别函数 void usart_print_gesture(uint16_t status); //通过串口打印手势信息 #endif
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 */ /* 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_ICACHE_Init(); MX_USART1_UART_Init(); MX_USART3_UART_Init(); MX_USB_PCD_Init(); MX_I2C1_Init(); /* USER CODE BEGIN 2 */ printf("App Begin\r\n"); paj7620_init(); /* USER CODE END 2 */ /* Infinite loop */ /* USER CODE BEGIN WHILE */ uint16_t gesture_statu; while (1) { // printf("Blink\r\n"); HAL_GPIO_TogglePin(USER_LED_GPIO_Port, USER_LED_Pin); HAL_Delay(100); gesture_statu = getGesture(); // 检测手势 usart_print_gesture(gesture_statu); // 打印手势状态 /* USER CODE END WHILE */ /* USER CODE BEGIN 3 */ } /* USER CODE END 3 */ }