void EP1_IN_Callback(void)
{
static uint8_t state = 0;
uint8_t keyboard_report[8] = {0}; // 初始化键盘报告
// 根据当前状态设置键盘报告中的按键码
switch (state)
{
// 字母键 A-Z
case 0: keyboard_report[2] = KEY_A; break;
case 1: keyboard_report[2] = KEY_B; break;
case 2: keyboard_report[2] = KEY_C; break;
case 3: keyboard_report[2] = KEY_D; break;
case 4: keyboard_report[2] = KEY_E; break;
case 5: keyboard_report[2] = KEY_F; break;
case 6: keyboard_report[2] = KEY_G; break;
case 7: keyboard_report[2] = KEY_H; break;
case 8: keyboard_report[2] = KEY_I; break;
case 9: keyboard_report[2] = KEY_J; break;
case 10: keyboard_report[2] = KEY_K; break;
case 11: keyboard_report[2] = KEY_L; break;
case 12: keyboard_report[2] = KEY_M; break;
case 13: keyboard_report[2] = KEY_N; break;
case 14: keyboard_report[2] = KEY_O; break;
case 15: keyboard_report[2] = KEY_P; break;
case 16: keyboard_report[2] = KEY_Q; break;
case 17: keyboard_report[2] = KEY_R; break;
case 18: keyboard_report[2] = KEY_S; break;
case 19: keyboard_report[2] = KEY_T; break;
case 20: keyboard_report[2] = KEY_U; break;
case 21: keyboard_report[2] = KEY_V; break;
case 22: keyboard_report[2] = KEY_W; break;
case 23: keyboard_report[2] = KEY_X; break;
case 24: keyboard_report[2] = KEY_Y; break;
case 25: keyboard_report[2] = KEY_Z; break;
// 数字键 0-9
case 26: keyboard_report[2] = KEY_1; break;
case 27: keyboard_report[2] = KEY_2; break;
case 28: keyboard_report[2] = KEY_3; break;
case 29: keyboard_report[2] = KEY_4; break;
case 30: keyboard_report[2] = KEY_5; break;
case 31: keyboard_report[2] = KEY_6; break;
case 32: keyboard_report[2] = KEY_7; break;
case 33: keyboard_report[2] = KEY_8; break;
case 34: keyboard_report[2] = KEY_9; break;
case 35: keyboard_report[2] = KEY_0; break;
// 功能键 F1-F12
case 36: keyboard_report[2] = KEY_F1; break;
case 37: keyboard_report[2] = KEY_F2; break;
case 38: keyboard_report[2] = KEY_F3; break;
case 39: keyboard_report[2] = KEY_F4; break;
case 40: keyboard_report[2] = KEY_F5; break;
case 41: keyboard_report[2] = KEY_F6; break;
case 42: keyboard_report[2] = KEY_F7; break;
case 43: keyboard_report[2] = KEY_F8; break;
case 44: keyboard_report[2] = KEY_F9; break;
case 45: keyboard_report[2] = KEY_F10; break;
case 46: keyboard_report[2] = KEY_F11; break;
case 47: keyboard_report[2] = KEY_F12; break;
// 符号键和特殊功能键
case 48: keyboard_report[2] = KEY_ENTER; break;
case 49: keyboard_report[2] = KEY_ESC; break;
case 50: keyboard_report[2] = KEY_BACKSPACE; break;
case 51: keyboard_report[2] = KEY_TAB; break;
case 52: keyboard_report[2] = KEY_SPACE; break;
case 53: keyboard_report[2] = KEY_MINUS; break;
case 54: keyboard_report[2] = KEY_EQUAL; break;
case 55: keyboard_report[2] = KEY_LEFTBRACE; break;
case 56: keyboard_report[2] = KEY_RIGHTBRACE; break;
case 57: keyboard_report[2] = KEY_BACKSLASH; break;
case 58: keyboard_report[2] = KEY_SEMICOLON; break;
case 59: keyboard_report[2] = KEY_APOSTROPHE; break;
case 60: keyboard_report[2] = KEY_GRAVE; break;
case 61: keyboard_report[2] = KEY_COMMA; break;
case 62: keyboard_report[2] = KEY_DOT; break;
case 63: keyboard_report[2] = KEY_SLASH; break;
case 64: keyboard_report[2] = KEY_CAPSLOCK; break;
// 方向键
case 65: keyboard_report[2] = KEY_RIGHT; break;
case 66: keyboard_report[2] = KEY_LEFT; break;
case 67: keyboard_report[2] = KEY_DOWN; break;
case 68: keyboard_report[2] = KEY_UP; break;
// 控制键
case 69: keyboard_report[2] = KEY_LEFTCTRL; break;
case 70: keyboard_report[2] = KEY_LEFTSHIFT; break;
case 71: keyboard_report[2] = KEY_LEFTALT; break;
case 72: keyboard_report[2] = KEY_LEFTMETA; break;
case 73: keyboard_report[2] = KEY_RIGHTCTRL; break;
case 74: keyboard_report[2] = KEY_RIGHTSHIFT; break;
case 75: keyboard_report[2] = KEY_RIGHTALT; break;
case 76: keyboard_report[2] = KEY_RIGHTMETA; break;
// 音量和媒体控制键
case 77: keyboard_report[2] = KEY_MEDIA_PLAYPAUSE; break;
case 78: keyboard_report[2] = KEY_MEDIA_STOPCD; break;
case 79: keyboard_report[2] = KEY_MEDIA_PREVIOUSSONG; break;
case 80: keyboard_report[2] = KEY_MEDIA_NEXTSONG; break;
case 81: keyboard_report[2] = KEY_MEDIA_VOLUMEUP; break;
case 82: keyboard_report[2] = KEY_MEDIA_VOLUMEDOWN; break;
case 83: keyboard_report[2] = KEY_MEDIA_MUTE; break;
default: state = 0; break; // 重置状态
}
// 将键盘报告复制到 USB 缓冲区并设置数据包大小
UserToPMABufferCopy(keyboard_report, GetEPTxAddr(ENDP1), 8);
SetEPTxCount(ENDP1, 8); // 设置传输的数据包大小
SetEPTxValid(ENDP1); // 使能端点传输
state++; // 切换到下一个键码
if (state > 83) // 总共84个按键，循环回到初始状态
{
state = 0;
}
}
/*********************************************************************
* @fn EP2_IN_Callback
*
* @brief Callback for Mouse IN endpoint (EP2)
*
* @return none
*/
void EP2_IN_Callback(void)
{
static uint8_t state = 0;
uint8_t mouse_report[3] = {0}; // 初始化鼠标报告
switch (state)
{
case 0:
// 模拟鼠标左键按下
mouse_report[0] = 0x01; // 左键按下
break;
case 1:
// 模拟鼠标右键按下
mouse_report[0] = 0x02; // 右键按下
break;
case 2:
// 模拟鼠标左键和右键同时按下
mouse_report[0] = 0x03; // 左键 + 右键按下
break;
case 3:
// 模拟鼠标向右移动 20 个单位
mouse_report[0] = 0x00; // 无按键
mouse_report[1] = 20; // X 轴移动 20
mouse_report[2] = 0; // Y 轴不移动
break;
case 4:
// 模拟鼠标向左移动 20 个单位
mouse_report[0] = 0x00; // 无按键
mouse_report[1] = -20; // X 轴移动 -20
mouse_report[2] = 0; // Y 轴不移动
break;
case 5:
// 模拟鼠标向上移动 20 个单位
mouse_report[0] = 0x00; // 无按键
mouse_report[1] = 0; // X 轴不移动
mouse_report[2] = -20; // Y 轴移动 -20
break;
case 6:
// 模拟鼠标向下移动 20 个单位
mouse_report[0] = 0x00; // 无按键
mouse_report[1] = 0; // X 轴不移动
mouse_report[2] = 20; // Y 轴移动 20
break;
default:
state = 0;
break;
}
// 将鼠标报告复制到 USB 缓冲区
UserToPMABufferCopy(mouse_report, GetEPTxAddr(ENDP2), 3);
SetEPTxCount(ENDP2, 3); // 设置传输的数据包大小
SetEPTxValid(ENDP2); // 使能端点传输
state++; // 切换到下一个鼠标操作状态
if (state > 6)
{
state = 0; // 循环回到初始状态
}
}
USB键鼠通讯的两个Call Back 设置是否正确 要想实现与上位机的通讯 用键鼠进行操作 还需要哪些设置
可否提供一下与上位机通信的例程 谢谢
