--- /dev/null
+/**
+ ******************************************************************************
+ * @file usbh_hid_keybd.c
+ * @author MCD Application Team
+ * @version V2.0.0
+ * @date 22-July-2011
+ * @brief This file is the application layer for USB Host HID Keyboard handling
+ * QWERTY and AZERTY Keyboard are supported as per the selection in
+ * usbh_hid_keybd.h
+ ******************************************************************************
+ * @attention
+ *
+ * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
+ * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
+ * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
+ * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
+ * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
+ * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
+ *
+ * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
+ ******************************************************************************
+ */
+
+
+/* Includes ------------------------------------------------------------------*/
+#include "usbh_hid_keybd.h"
+
+/** @addtogroup USBH_LIB
+* @{
+*/
+
+/** @addtogroup USBH_CLASS
+* @{
+*/
+
+/** @addtogroup USBH_HID_CLASS
+* @{
+*/
+
+/** @defgroup USBH_HID_KEYBD
+* @brief This file includes HID Layer Handlers for USB Host HID class.
+* @{
+*/
+
+/** @defgroup USBH_HID_KEYBD_Private_TypesDefinitions
+* @{
+*/
+/**
+* @}
+*/
+
+
+/** @defgroup USBH_HID_KEYBD_Private_Defines
+* @{
+*/
+/**
+* @}
+*/
+
+
+/** @defgroup USBH_HID_KEYBD_Private_Macros
+* @{
+*/
+/**
+* @}
+*/
+
+/** @defgroup USBH_HID_KEYBD_Private_FunctionPrototypes
+* @{
+*/
+static void KEYBRD_Init (void);
+static void KEYBRD_Decode(uint8_t *data);
+
+/**
+* @}
+*/
+
+#ifdef USB_OTG_HS_INTERNAL_DMA_ENABLED
+ #if defined (__CC_ARM) /*!< ARM Compiler */
+ __align(4)
+ #elif defined ( __ICCARM__ ) /*!< IAR Compiler */
+ #pragma data_alignment=4
+ #elif defined (__GNUC__) /*!< GNU Compiler */
+ #pragma pack(4)
+ #elif defined (__TASKING__) /*!< TASKING Compiler */
+ __align(4)
+ #endif /* __CC_ARM */
+#endif
+
+/** @defgroup USBH_HID_KEYBD_Private_Variables
+* @{
+*/
+HID_cb_TypeDef HID_KEYBRD_cb=
+{
+ KEYBRD_Init,
+ KEYBRD_Decode
+};
+
+/*
+*******************************************************************************
+* LOCAL CONSTANTS
+*******************************************************************************
+*/
+
+static const uint8_t HID_KEYBRD_Codes[] = {
+ 0, 0, 0, 0, 31, 50, 48, 33,
+ 19, 34, 35, 36, 24, 37, 38, 39, /* 0x00 - 0x0F */
+ 52, 51, 25, 26, 17, 20, 32, 21,
+ 23, 49, 18, 47, 22, 46, 2, 3, /* 0x10 - 0x1F */
+ 4, 5, 6, 7, 8, 9, 10, 11,
+ 43, 110, 15, 16, 61, 12, 13, 27, /* 0x20 - 0x2F */
+ 28, 29, 42, 40, 41, 1, 53, 54,
+ 55, 30, 112, 113, 114, 115, 116, 117, /* 0x30 - 0x3F */
+ 118, 119, 120, 121, 122, 123, 124, 125,
+ 126, 75, 80, 85, 76, 81, 86, 89, /* 0x40 - 0x4F */
+ 79, 84, 83, 90, 95, 100, 105, 106,
+ 108, 93, 98, 103, 92, 97, 102, 91, /* 0x50 - 0x5F */
+ 96, 101, 99, 104, 45, 129, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, /* 0x60 - 0x6F */
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, /* 0x70 - 0x7F */
+ 0, 0, 0, 0, 0, 107, 0, 56,
+ 0, 0, 0, 0, 0, 0, 0, 0, /* 0x80 - 0x8F */
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, /* 0x90 - 0x9F */
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, /* 0xA0 - 0xAF */
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, /* 0xB0 - 0xBF */
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, /* 0xC0 - 0xCF */
+ 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, /* 0xD0 - 0xDF */
+ 58, 44, 60, 127, 64, 57, 62, 128 /* 0xE0 - 0xE7 */
+};
+
+#ifdef QWERTY_KEYBOARD
+static const int8_t HID_KEYBRD_Key[] = {
+ '\0', '`', '1', '2', '3', '4', '5', '6',
+ '7', '8', '9', '0', '-', '=', '\0', '\r',
+ '\t', 'q', 'w', 'e', 'r', 't', 'y', 'u',
+ 'i', 'o', 'p', '[', ']', '\\',
+ '\0', 'a', 's', 'd', 'f', 'g', 'h', 'j',
+ 'k', 'l', ';', '\'', '\0', '\n',
+ '\0', '\0', 'z', 'x', 'c', 'v', 'b', 'n',
+ 'm', ',', '.', '/', '\0', '\0',
+ '\0', '\0', '\0', ' ', '\0', '\0', '\0', '\0',
+ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+ '\0', '\0', '\0', '\0', '\0', '\r', '\0', '\0',
+ '\0', '\0', '\0', '\0', '\0', '\0',
+ '\0', '\0', '7', '4', '1',
+ '\0', '/', '8', '5', '2',
+ '0', '*', '9', '6', '3',
+ '.', '-', '+', '\0', '\n', '\0', '\0', '\0', '\0', '\0', '\0',
+ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+ '\0', '\0', '\0', '\0'
+};
+
+static const int8_t HID_KEYBRD_ShiftKey[] = {
+ '\0', '~', '!', '@', '#', '$', '%', '^', '&', '*', '(', ')',
+ '_', '+', '\0', '\0', '\0', 'Q', 'W', 'E', 'R', 'T', 'Y', 'U',
+ 'I', 'O', 'P', '{', '}', '|', '\0', 'A', 'S', 'D', 'F', 'G',
+ 'H', 'J', 'K', 'L', ':', '"', '\0', '\n', '\0', '\0', 'Z', 'X',
+ 'C', 'V', 'B', 'N', 'M', '<', '>', '?', '\0', '\0', '\0', '\0',
+ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0'
+};
+
+#else
+
+static const int8_t HID_KEYBRD_Key[] = {
+ '\0', '`', '1', '2', '3', '4', '5', '6', '7', '8', '9', '0',
+ '-', '=', '\0', '\r', '\t', 'a', 'z', 'e', 'r', 't', 'y', 'u',
+ 'i', 'o', 'p', '[', ']', '\\', '\0', 'q', 's', 'd', 'f', 'g',
+ 'h', 'j', 'k', 'l', 'm', '\0', '\0', '\n', '\0', '\0', 'w', 'x',
+ 'c', 'v', 'b', 'n', ',', ';', ':', '!', '\0', '\0', '\0', '\0',
+ '\0', ' ', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\r', '\0', '\0', '\0',
+ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '7', '4', '1','\0', '/',
+ '8', '5', '2', '0', '*', '9', '6', '3', '.', '-', '+', '\0',
+ '\n', '\0', '\0', '\0', '\0', '\0', '\0','\0', '\0', '\0', '\0', '\0', '\0',
+ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0'
+};
+
+static const int8_t HID_KEYBRD_ShiftKey[] = {
+ '\0', '~', '!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_',
+ '+', '\0', '\0', '\0', 'A', 'Z', 'E', 'R', 'T', 'Y', 'U', 'I', 'O',
+ 'P', '{', '}', '*', '\0', 'Q', 'S', 'D', 'F', 'G', 'H', 'J', 'K',
+ 'L', 'M', '%', '\0', '\n', '\0', '\0', 'W', 'X', 'C', 'V', 'B', 'N',
+ '?', '.', '/', '\0', '\0', '\0','\0', '\0', '\0', '\0', '\0', '\0', '\0',
+ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+ '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0'
+};
+#endif
+
+/**
+* @}
+*/
+
+
+/** @defgroup USBH_HID_KEYBD_Private_Functions
+* @{
+*/
+
+
+/**
+* @brief KEYBRD_Init.
+* Initialize the keyboard function.
+* @param None
+* @retval None
+*/
+static void KEYBRD_Init (void)
+{
+ /* Call User Init*/
+ USR_KEYBRD_Init();
+}
+
+/**
+* @brief KEYBRD_ProcessData.
+* The function is to decode the pressed keys.
+* @param pbuf : Pointer to the HID IN report data buffer
+* @retval None
+*/
+
+static void KEYBRD_Decode(uint8_t *pbuf)
+{
+ static uint8_t shift;
+ static uint8_t keys[KBR_MAX_NBR_PRESSED];
+ static uint8_t keys_new[KBR_MAX_NBR_PRESSED];
+ static uint8_t keys_last[KBR_MAX_NBR_PRESSED];
+ static uint8_t key_newest;
+ static uint8_t nbr_keys;
+ static uint8_t nbr_keys_new;
+ static uint8_t nbr_keys_last;
+ uint8_t ix;
+ uint8_t jx;
+ uint8_t error;
+ uint8_t output;
+
+ nbr_keys = 0;
+ nbr_keys_new = 0;
+ nbr_keys_last = 0;
+ key_newest = 0x00;
+
+
+ /* Check if Shift key is pressed */
+ if ((pbuf[0] == KBD_LEFT_SHIFT) || (pbuf[0] == KBD_RIGHT_SHIFT)) {
+ shift = TRUE;
+ } else {
+ shift = FALSE;
+ }
+
+ error = FALSE;
+
+ /* Check for the value of pressed key */
+ for (ix = 2; ix < 2 + KBR_MAX_NBR_PRESSED; ix++) {
+ if ((pbuf[ix] == 0x01) ||
+ (pbuf[ix] == 0x02) ||
+ (pbuf[ix] == 0x03)) {
+ error = TRUE;
+ }
+ }
+
+ if (error == TRUE) {
+ return;
+ }
+
+ nbr_keys = 0;
+ nbr_keys_new = 0;
+ for (ix = 2; ix < 2 + KBR_MAX_NBR_PRESSED; ix++) {
+ if (pbuf[ix] != 0) {
+ keys[nbr_keys] = pbuf[ix];
+ nbr_keys++;
+ for (jx = 0; jx < nbr_keys_last; jx++) {
+ if (pbuf[ix] == keys_last[jx]) {
+ break;
+ }
+ }
+
+ if (jx == nbr_keys_last) {
+ keys_new[nbr_keys_new] = pbuf[ix];
+ nbr_keys_new++;
+ }
+ }
+ }
+
+ if (nbr_keys_new == 1) {
+ key_newest = keys_new[0];
+
+ if (shift == TRUE) {
+ output = HID_KEYBRD_ShiftKey[HID_KEYBRD_Codes[key_newest]];
+ } else {
+ output = HID_KEYBRD_Key[HID_KEYBRD_Codes[key_newest]];
+ }
+
+ /* call user process handle */
+ USR_KEYBRD_ProcessData(output);
+ } else {
+ key_newest = 0x00;
+ }
+
+
+ nbr_keys_last = nbr_keys;
+ for (ix = 0; ix < KBR_MAX_NBR_PRESSED; ix++) {
+ keys_last[ix] = keys[ix];
+ }
+}
+
+/**
+* @}
+*/
+
+/**
+* @}
+*/
+
+/**
+* @}
+*/
+
+/**
+* @}
+*/
+
+
+/**
+* @}
+*/
+
+/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
+