HAL ve Open Stm32 ile çalışmalarımıza USB ile devam ediyoruz.
HID YAPILACAKLAR
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1.CUBEMX ile CostumHid projesi ayarlanacak |
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2.usbd_custom_hid_if.c içerisine Hid Desc Eklenecek |
Hid Desc
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0x06, 0x00, 0xff, // USAGE_PAGE (Generic Desktop) 0x09, 0x01, // USAGE (Vendor Usage 1) 0xa1, 0x01, // COLLECTION (Application) 0x85, 0x01, // REPORT_ID (1) 0x09, 0x01, // USAGE (Vendor Usage 1) 0x15, 0x00, // LOGICAL_MINIMUM (0) 0x25, 0x01, // LOGICAL_MAXIMUM (1) 0x75, 0x08, // REPORT_SIZE (8) 0x95, 0x01, // REPORT_COUNT (1) 0xB1, 0x82, // FEATURE (Data,Var,Abs,Vol) 0x85, 0x01, // REPORT_ID (1) 0x09, 0x01, // USAGE (Vendor Usage 1) 0x91, 0x82, // OUTPUT (Data,Var,Abs,Vol) 0x85, 0x02, // REPORT_ID (2) 0x09, 0x02, // USAGE (Vendor Usage 2) 0x15, 0x00, // LOGICAL_MINIMUM (0) 0x25, 0x01, // LOGICAL_MAXIMUM (1) 0x75, 0x08, // REPORT_SIZE (8) 0x95, 0x01, // REPORT_COUNT (1) 0xB1, 0x82, // FEATURE (Data,Var,Abs,Vol) 0x85, 0x02, // REPORT_ID (2) 0x09, 0x02, // USAGE (Vendor Usage 2) 0x91, 0x82, // OUTPUT (Data,Var,Abs,Vol) 0x85, 0x03, // REPORT_ID (3) 0x09, 0x03, // USAGE (Vendor Usage 3) 0x15, 0x00, // LOGICAL_MINIMUM (0) 0x25, 0x01, // LOGICAL_MAXIMUM (255) 0x75, 0x08, // REPORT_SIZE (8) 0x95, 0x01, // REPORT_COUNT (1) 0xB1, 0x82, // FEATURE (Data,Var,Abs,Vol) 0x85, 0x03, // REPORT_ID (3) 0x09, 0x03, // USAGE (Vendor Usage 3) 0x91, 0x82, // OUTPUT (Data,Var,Abs,Vol) 0x85, 0x04, // REPORT_ID (4) 0x09, 0x04, // USAGE (Vendor Usage 4) 0x15, 0x00, // LOGICAL_MINIMUM (0) 0x25, 0x01, // LOGICAL_MAXIMUM (255) 0x75, 0x08, // REPORT_SIZE (8) 0x95, 0x01, // REPORT_COUNT (1) 0xB1, 0x82, // FEATURE (Data,Var,Abs,Vol) 0x85, 0x04, // REPORT_ID (4) 0x09, 0x04, // USAGE (Vendor Usage 4) 0x91, 0x82, // OUTPUT (Data,Var,Abs,Vol) 0x85, 0x05, // REPORT_ID (5) 0x09, 0x05, // USAGE (Vendor Usage 5) 0x75, 0x08, // REPORT_SIZE (8) 0x95, 0x04, // REPORT_COUNT (4) 0x81, 0x82, // INPUT (Data,Var,Abs,Vol) 0x85, 0x06, // REPORT_ID (6) 0x09, 0x06, // USAGE (Vendor Usage 6) 0x75, 0x08, // REPORT_SIZE (8) 0x95, 0x04, // REPORT_COUNT (4) 0x81, 0x82, // INPUT (Data,Var,Abs,Vol) |
3. eklenen dec in boyutu usbd_conf.h içerisindeki
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#define USBD_CUSTOM_HID_REPORT_DESC_SIZE 108 olarak bildirilir. |
2.Main.c de yapılacaklar
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a. #include "usbd_customhid.h" b. /* USER CODE BEGIN PV */ /* Private variables ———————————————————*/ extern USBD_HandleTypeDef hUsbDeviceFS; uint8_t dataToSend[5]; uint8_t btn_stat=0; c.main Fonksiyonunun içerisinde butonu kontrol edecek kodlar yazılır |
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if (HAL_GPIO_ReadPin(B1_GPIO_Port,B1_Pin)){ dataToSend[0] = 5; dataToSend[1] = 0; } else{ dataToSend[0] = 5; dataToSend[1] = 1; } USBD_CUSTOM_HID_SendReport(&hUsbDeviceFS, dataToSend, 5); HAL_Delay(100); |
3.usbd_custom_hid_if.c İÇERİSİNDE YAPILACAKLAR
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a. /* USER CODE BEGIN PRIVATE_VARIABLES */ uint8_t dataToReceive[2]; /* USER CODE END PRIVATE_VARIABLES */ b. static int8_t CUSTOM_HID_OutEvent_FS (uint8_t event_idx, uint8_t state){ /* USER CODE BEGIN 6 */ USBD_CUSTOM_HID_HandleTypeDef *hhid = (USBD_CUSTOM_HID_HandleTypeDef*)hUsbDeviceFS.pClassData; for (uint8_t i = 0; i < 4; i++) { dataToReceive[i] = hhid->Report_buf[i]; } if ((dataToReceive[0]==1)&&(dataToReceive[1]==1)) { HAL_GPIO_WritePin(GPIOD, GPIO_PIN_12, GPIO_PIN_SET); } if ((dataToReceive[0]==1)&&(dataToReceive[1]==0)) { HAL_GPIO_WritePin(GPIOD, GPIO_PIN_12, GPIO_PIN_RESET); } if ((dataToReceive[0]==2)&&(dataToReceive[1]==1)) { HAL_GPIO_WritePin(GPIOD, GPIO_PIN_13, GPIO_PIN_SET); } if ((dataToReceive[0]==2)&&(dataToReceive[1]==0)) { HAL_GPIO_WritePin(GPIOD, GPIO_PIN_13, GPIO_PIN_RESET); } if ((dataToReceive[0]==3)&&(dataToReceive[1]==1)) { HAL_GPIO_WritePin(GPIOD, GPIO_PIN_14, GPIO_PIN_SET); } if ((dataToReceive[0]==3)&&(dataToReceive[1]==0)) { HAL_GPIO_WritePin(GPIOD, GPIO_PIN_14, GPIO_PIN_RESET); } if ((dataToReceive[0]==4)&&(dataToReceive[1]==1)) { HAL_GPIO_WritePin(GPIOD, GPIO_PIN_15, GPIO_PIN_SET); } if ((dataToReceive[0]==4)&&(dataToReceive[1]==0)) { HAL_GPIO_WritePin(GPIOD, GPIO_PIN_15, GPIO_PIN_RESET); } return (0); /* USER CODE END 6 */ } |
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Ziyaretci : 4051