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/******************************************************************************************************************************************
* 文件名称: usbh_hid_keybd.c
* 功能说明:
* 技术支持: http://www.synwit.com.cn/e/tool/gbook/?bid=1
* 注意事项:
* 版本日期: V1.1.0 2020年11月3日
* 升级记录:
*
*
*******************************************************************************************************************************************
* @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, SYNWIT 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 CONN-
* -ECTION WITH THEIR PRODUCTS.
*
* COPYRIGHT 2012 Synwit Technology
*******************************************************************************************************************************************/
#include <string.h>
#include "SWM341.h"
#include "usbh_hid_core.h"
#include "usbh_hid_keybd.h"
USBH_HID_cb_t USBH_HID_KeyBD_cb =
{
USBH_HID_KeyBD_Init,
USBH_HID_KeyBD_Decode
};
static const uint8_t HID_KEYBRD_Codes[] = {
0, 0, 0, 0, 31, 50, 48, 33, 19, 34, 35, 36, 24, 37, 38, 39,
52, 51, 25, 26, 17, 20, 32, 21, 23, 49, 18, 47, 22, 46, 2, 3,
4, 5, 6, 7, 8, 9, 10, 11, 43, 110, 15, 16, 61, 12, 13, 27,
28, 29, 42, 40, 41, 1, 53, 54, 55, 30, 112, 113, 114, 115, 116, 117,
118, 119, 120, 121, 122, 123, 124, 125, 126, 75, 80, 85, 76, 81, 86, 89,
79, 84, 83, 90, 95, 100, 105, 106, 108, 93, 98, 103, 92, 97, 102, 91,
96, 101, 99, 104, 45, 129, 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, 107, 0, 56, 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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
58, 44, 60, 127, 64, 57, 62, 128,
};
static const uint8_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 uint8_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'
};
static uint8_t keys_last[6];
static uint8_t nbr_keys_last;
void USBH_HID_KeyBD_Init(void)
{
nbr_keys_last = 0;
memset(keys_last, 0x00, 6);
}
void USBH_HID_KeyBD_Decode(uint8_t *pbuf)
{
char key;
uint8_t i, j;
uint8_t keys[6];
uint8_t keys_new[6];
uint8_t nbr_keys;
uint8_t nbr_keys_new;
for(i = 2; i < 8; i++)
{
if((pbuf[i] == 0x01) || (pbuf[i] == 0x02) || (pbuf[i] == 0x03))
return;
}
nbr_keys = 0;
nbr_keys_new = 0;
for(i = 2; i < 8; i++)
{
if(pbuf[i] != 0x00)
{
keys[nbr_keys++] = pbuf[i];
for(j = 0; j < nbr_keys_last; j++)
{
if(pbuf[i] == keys_last[j])
break;
}
if(j == nbr_keys_last) // 遍历到了最后，说明 pbuf[i] 不在 keys_last 中，是新按下的
keys_new[nbr_keys_new++] = pbuf[i];
}
}
if(nbr_keys_new == 1)
{
if((pbuf[0] & KBD_LEFT_SHIFT) || (pbuf[0] & KBD_RIGHT_SHIFT))
{
key = HID_KEYBRD_ShiftKey[HID_KEYBRD_Codes[keys_new[0]]];
}
else
{
key = HID_KEYBRD_Key[HID_KEYBRD_Codes[keys_new[0]]];
}
USBH_HID_KeyBD_Handle(pbuf[0], key); // call user process handle
}
memcpy(keys_last, keys, 6);
nbr_keys_last = nbr_keys;
}
__attribute__((weak))
void USBH_HID_KeyBD_Handle(uint8_t ctrl, char key)
{
if((ctrl & KBD_LEFT_CTRL) | (ctrl & KBD_RIGHT_CTRL))
printf("Ctrl-");
if((ctrl & KBD_LEFT_ALT) | (ctrl & KBD_RIGHT_ALT))
printf("Alt-");
printf("%c\r\n", key);
}
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