/**
* @brief Waits for given number of milliseconds
* @param n : Number of milliseconds
* @return Nothing
*/
void ms_timerDelay(uint32_t n)
{
ms_timer_t timer;
ms_timerInit(&timer, n);
while (ms_timerExpired(&timer) == false) {
__NOP();
__WFI();/* conserve power */
}
}
/* HID keyboard init routine */
ErrorCode_t Keyboard_init(USBD_HANDLE_T hUsb,
USB_INTERFACE_DESCRIPTOR *pIntfDesc,
uint32_t *mem_base,
uint32_t *mem_size)
{
USBD_HID_INIT_PARAM_T hid_param;
USB_HID_REPORT_T reports_data[1];
ErrorCode_t ret = LPC_OK;
/* Do a quick check of if the interface descriptor passed is the right one. */
if ((pIntfDesc == 0) || (pIntfDesc->bInterfaceClass != USB_DEVICE_CLASS_HUMAN_INTERFACE)) {
return ERR_FAILED;
}
/* init joystick control */
Board_Joystick_Init();
/* Init HID params */
memset((void *) &hid_param, 0, sizeof(USBD_HID_INIT_PARAM_T));
hid_param.max_reports = 1;
hid_param.mem_base = *mem_base;
hid_param.mem_size = *mem_size;
hid_param.intf_desc = (uint8_t *) pIntfDesc;
/* user defined functions */
hid_param.HID_GetReport = Keyboard_GetReport;
hid_param.HID_SetReport = Keyboard_SetReport;
hid_param.HID_EpIn_Hdlr = Keyboard_EpIN_Hdlr;
/* Init reports_data */
reports_data[0].len = Keyboard_ReportDescSize;
reports_data[0].idle_time = 0;
reports_data[0].desc = (uint8_t *) &Keyboard_ReportDescriptor[0];
hid_param.report_data = reports_data;
ret = USBD_API->hid->init(hUsb, &hid_param);
/* update memory variables */
*mem_base = hid_param.mem_base;
*mem_size = hid_param.mem_size;
/* store stack handle for later use. */
g_keyBoard.hUsb = hUsb;
/* start the mouse timer */
ms_timerInit(&g_keyBoard.tmo, HID_KEYBRD_REPORT_INTERVAL_MS);
return ret;
}
