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/**
******************************************************************************
* @file USB_Device/CustomHID_Standalone/Src/usbd_customhid_if.c
* @author MCD Application Team
* @brief USB Device Custom HID interface file.
******************************************************************************
* @attention
*
* Copyright (c) 2017 STMicroelectronics.
* All rights reserved.
*
* This software is licensed under terms that can be found in the LICENSE file
* in the root directory of this software component.
* If no LICENSE file comes with this software, it is provided AS-IS.
*
******************************************************************************
*/
/* Includes ------------------------------------------------------------------ */
#include "usbd_customhid_if.h"
/* Private typedef ----------------------------------------------------------- */
/* Private define ------------------------------------------------------------ */
/* Private macro ------------------------------------------------------------- */
/* Private function prototypes ----------------------------------------------- */
static int8_t CustomHID_Init(void);
static int8_t CustomHID_DeInit(void);
static int8_t CustomHID_OutEvent(uint8_t event_idx, uint8_t state);
/* Private variables --------------------------------------------------------- */
ADC_HandleTypeDef AdcHandle;
uint32_t ADCConvertedValue = 0;
uint32_t ADC_Prev_ConvertedValue = 0;
uint8_t SendBuffer[2];
extern USBD_HandleTypeDef USBD_Device;
__ALIGN_BEGIN static uint8_t
CustomHID_ReportDesc[USBD_CUSTOM_HID_REPORT_DESC_SIZE] __ALIGN_END = {
0x06, 0xFF, 0x00, /* USAGE_PAGE (Vendor Page: 0xFF00) */
0x09, 0x01, /* USAGE (Demo Kit) */
0xa1, 0x01, /* COLLECTION (Application) */
/* 6 */
/* LED1 */
0x85, LED1_REPORT_ID, /* REPORT_ID (1) */
0x09, 0x01, /* USAGE (LED 1) */
0x15, 0x00, /* LOGICAL_MINIMUM (0) */
0x25, 0x01, /* LOGICAL_MAXIMUM (1) */
0x75, 0x08, /* REPORT_SIZE (8) */
0x95, LED1_REPORT_COUNT, /* REPORT_COUNT (1) */
0xB1, 0x82, /* FEATURE (Data,Var,Abs,Vol) */
0x85, LED1_REPORT_ID, /* REPORT_ID (1) */
0x09, 0x01, /* USAGE (LED 1) */
0x91, 0x82, /* OUTPUT (Data,Var,Abs,Vol) */
/* 26 */
/* LED2 */
0x85, LED2_REPORT_ID, /* REPORT_ID 2 */
0x09, 0x02, /* USAGE (LED 2) */
0x15, 0x00, /* LOGICAL_MINIMUM (0) */
0x25, 0x01, /* LOGICAL_MAXIMUM (1) */
0x75, 0x08, /* REPORT_SIZE (8) */
0x95, LED2_REPORT_COUNT, /* REPORT_COUNT (1) */
0xB1, 0x82, /* FEATURE (Data,Var,Abs,Vol) */
0x85, LED2_REPORT_ID, /* REPORT_ID (2) */
0x09, 0x02, /* USAGE (LED 2) */
0x91, 0x82, /* OUTPUT (Data,Var,Abs,Vol) */
/* 46 */
/* LED3 */
0x85, LED3_REPORT_ID, /* REPORT_ID (3) */
0x09, 0x03, /* USAGE (LED 3) */
0x15, 0x00, /* LOGICAL_MINIMUM (0) */
0x25, 0x01, /* LOGICAL_MAXIMUM (1) */
0x75, 0x08, /* REPORT_SIZE (8) */
0x95, LED3_REPORT_COUNT, /* REPORT_COUNT (1) */
0xB1, 0x82, /* FEATURE (Data,Var,Abs,Vol) */
0x85, LED3_REPORT_ID, /* REPORT_ID (3) */
0x09, 0x03, /* USAGE (LED 3) */
0x91, 0x82, /* OUTPUT (Data,Var,Abs,Vol) */
/* 66 */
/* LED4 */
0x85, LED4_REPORT_ID, /* REPORT_ID 4) */
0x09, 0x04, /* USAGE (LED 4) */
0x15, 0x00, /* LOGICAL_MINIMUM (0) */
0x25, 0x01, /* LOGICAL_MAXIMUM (1) */
0x75, 0x08, /* REPORT_SIZE (8) */
0x95, LED4_REPORT_COUNT, /* REPORT_COUNT (1) */
0xB1, 0x82, /* FEATURE (Data,Var,Abs,Vol) */
0x85, LED4_REPORT_ID, /* REPORT_ID (4) */
0x09, 0x04, /* USAGE (LED 4) */
0x91, 0x82, /* OUTPUT (Data,Var,Abs,Vol) */
/* 86 */
/* key Push Button */
0x85, KEY_REPORT_ID, /* REPORT_ID (5) */
0x09, 0x05, /* USAGE (Push Button) */
0x15, 0x00, /* LOGICAL_MINIMUM (0) */
0x25, 0x01, /* LOGICAL_MAXIMUM (1) */
0x75, 0x01, /* REPORT_SIZE (1) */
0x81, 0x82, /* INPUT (Data,Var,Abs,Vol) */
0x09, 0x05, /* USAGE (Push Button) */
0x75, 0x01, /* REPORT_SIZE (1) */
0xb1, 0x82, /* FEATURE (Data,Var,Abs,Vol) */
0x75, 0x07, /* REPORT_SIZE (7) */
0x81, 0x83, /* INPUT (Cnst,Var,Abs,Vol) */
0x85, KEY_REPORT_ID, /* REPORT_ID (2) */
0x75, 0x07, /* REPORT_SIZE (7) */
0xb1, 0x83, /* FEATURE (Cnst,Var,Abs,Vol) */
/* 114 */
/* Tamper Push Button */
0x85, TAMPER_REPORT_ID, /* REPORT_ID (6) */
0x09, 0x06, /* USAGE (Tamper Push Button) */
0x15, 0x00, /* LOGICAL_MINIMUM (0) */
0x25, 0x01, /* LOGICAL_MAXIMUM (1) */
0x75, 0x01, /* REPORT_SIZE (1) */
0x81, 0x82, /* INPUT (Data,Var,Abs,Vol) */
0x09, 0x06, /* USAGE (Tamper Push Button) */
0x75, 0x01, /* REPORT_SIZE (1) */
0xb1, 0x82, /* FEATURE (Data,Var,Abs,Vol) */
0x75, 0x07, /* REPORT_SIZE (7) */
0x81, 0x83, /* INPUT (Cnst,Var,Abs,Vol) */
0x85, TAMPER_REPORT_ID, /* REPORT_ID (6) */
0x75, 0x07, /* REPORT_SIZE (7) */
0xb1, 0x83, /* FEATURE (Cnst,Var,Abs,Vol) */
/* 142 */
/* ADC IN */
0x85, ADC_REPORT_ID, /* REPORT_ID */
0x09, 0x07, /* USAGE (ADC IN) */
0x15, 0x00, /* LOGICAL_MINIMUM (0) */
0x26, 0xff, 0x00, /* LOGICAL_MAXIMUM (255) */
0x75, 0x08, /* REPORT_SIZE (8) */
0x81, 0x82, /* INPUT (Data,Var,Abs,Vol) */
0x85, ADC_REPORT_ID, /* REPORT_ID (7) */
0x09, 0x07, /* USAGE (ADC in) */
0xb1, 0x82, /* FEATURE (Data,Var,Abs,Vol) */
/* 161 */
0xc0 /* END_COLLECTION */
};
USBD_CUSTOM_HID_ItfTypeDef USBD_CustomHID_fops = {
CustomHID_ReportDesc,
CustomHID_Init,
CustomHID_DeInit,
CustomHID_OutEvent,
};
/* Private functions --------------------------------------------------------- */
/**
* @brief CustomHID_Init
* Initializes the CUSTOM HID media low layer
* @param None
* @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL
*/
static int8_t CustomHID_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
ADC_ChannelConfTypeDef sConfig;
/* Configure the ADC peripheral */
AdcHandle.Instance = ADCx;
AdcHandle.Init.ClockPrescaler = ADC_CLOCKPRESCALER_PCLK_DIV4;
AdcHandle.Init.Resolution = ADC_RESOLUTION_12B;
AdcHandle.Init.ScanConvMode = DISABLE;
AdcHandle.Init.ContinuousConvMode = ENABLE;
AdcHandle.Init.DiscontinuousConvMode = DISABLE;
AdcHandle.Init.NbrOfDiscConversion = 0;
AdcHandle.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_NONE;
AdcHandle.Init.ExternalTrigConv = ADC_EXTERNALTRIGCONV_T1_CC1;
AdcHandle.Init.DataAlign = ADC_DATAALIGN_RIGHT;
AdcHandle.Init.NbrOfConversion = 1;
AdcHandle.Init.DMAContinuousRequests = ENABLE;
AdcHandle.Init.EOCSelection = DISABLE;
HAL_ADC_Init(&AdcHandle);
/* Configure ADC regular channel */
sConfig.Channel = ADCx_CHANNEL;
sConfig.Rank = 1;
sConfig.SamplingTime = ADC_SAMPLETIME_480CYCLES;
sConfig.Offset = 0;
HAL_ADC_ConfigChannel(&AdcHandle, &sConfig);
/* Start the conversion process and enable interrupt */
HAL_ADC_Start_DMA(&AdcHandle, (uint32_t *) & ADCConvertedValue, 1);
/* Configure LED1, LED2, LED3 and LED4 */
BSP_LED_Init(LED1);
BSP_LED_Init(LED2);
BSP_LED_Init(LED3);
BSP_LED_Init(LED4);
/* Enable GPIOC clock */
__HAL_RCC_GPIOC_CLK_ENABLE();
/* Configure PG15 pin as input floating */
GPIO_InitStructure.Mode = GPIO_MODE_IT_RISING_FALLING;
GPIO_InitStructure.Pull = GPIO_NOPULL;
GPIO_InitStructure.Pin = GPIO_PIN_13;
HAL_GPIO_Init(GPIOC, &GPIO_InitStructure);
/* Enable and set EXTI15_10 Interrupt to the lowest priority */
HAL_NVIC_SetPriority(EXTI15_10_IRQn, 3, 0);
HAL_NVIC_EnableIRQ(EXTI15_10_IRQn);
return (0);
}
/**
* @brief CustomHID_DeInit
* DeInitializes the CUSTOM HID media low layer
* @param None
* @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL
*/
static int8_t CustomHID_DeInit(void)
{
/*
* Add your deinitialization code here */
return (0);
}
/**
* @brief CustomHID_OutEvent
* Manage the CUSTOM HID class Out Event
* @param event_idx: LED Report Number
* @param state: LED states (ON/OFF)
*/
static int8_t CustomHID_OutEvent(uint8_t event_idx, uint8_t state)
{
switch (event_idx)
{
case 1: /* LED1 */
(state == 1) ? BSP_LED_On(LED1) : BSP_LED_Off(LED1);
break;
case 2: /* LED2 */
(state == 1) ? BSP_LED_On(LED2) : BSP_LED_Off(LED2);
break;
case 3: /* LED3 */
(state == 1) ? BSP_LED_On(LED3) : BSP_LED_Off(LED3);
break;
case 4: /* LED4 */
(state == 1) ? BSP_LED_On(LED4) : BSP_LED_Off(LED4);
break;
default:
BSP_LED_Off(LED1);
BSP_LED_Off(LED2);
BSP_LED_Off(LED3);
BSP_LED_Off(LED4);
break;
}
/* Start next USB packet transfer once data processing is completed */
USBD_CUSTOM_HID_ReceivePacket(&USBD_Device);
return (0);
}
/**
* @brief EXTI line detection callbacks
* @param GPIO_Pin: Specifies the pins connected EXTI line
* @retval None
*/
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
if (GPIO_Pin == KEY_BUTTON_PIN)
{
SendBuffer[0] = KEY_REPORT_ID;
if (BSP_PB_GetState(BUTTON_KEY) == GPIO_PIN_RESET)
{
SendBuffer[1] = 0x01;
}
else
{
SendBuffer[1] = 0x00;
}
USBD_CUSTOM_HID_SendReport(&USBD_Device, SendBuffer, 2);
}
}
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