/******************************************************************************
*
* @name Virtual_Com_App
*
* @brief
*
* @param None
*
* @return None
*
*****************************************************************************/
void Virtual_Com_App(void)
{
/* User Code */
if ((0 != g_recv_size) && (0xFFFFFFFF != g_recv_size))
{
int32_t i;
/* Copy Buffer to Send Buff */
for (i = 0; i < g_recv_size; i++)
{
//USB_PRINTF("Copied: %c\n", g_curr_recv_buf[i]);
g_curr_send_buf[g_send_size++] = g_curr_recv_buf[i];
}
g_recv_size = 0;
}
if (g_send_size)
{
uint8_t error;
uint32_t size = g_send_size;
g_send_size = 0;
error = USB_Class_CDC_Send_Data(g_app_handle, DIC_BULK_IN_ENDPOINT,
g_curr_send_buf, size);
if (error != USB_OK)
{
/* Failure to send Data Handling code here */
}
}
#if USBCFG_DEV_KEEP_ALIVE_MODE
#if (OS_ADAPTER_ACTIVE_OS == OS_ADAPTER_SDK)
if( (waitfordatareceive))
{
if(comopen == 1)
{
OS_Time_delay(30);
comopen = 0;
}
USB_PRINTF("Enter lowpower\r\n");
usb_hal_khci_disable_interrupts((uint32_t)USB0, INTR_TOKDNE);
POWER_SYS_SetMode(kDemoVlps, kPowerManagerPolicyAgreement);
waitfordatareceive = 0;
usb_hal_khci_enable_interrupts((uint32_t)USB0,INTR_TOKDNE);
USB_PRINTF("Exit lowpower\r\n");
}
#endif
#endif
return;
}
/*****************************************************************************
*
* @name TestApp_Init
*
* @brief This function is the entry for Audio generator
*
* @param None
*
* @return None
**
*****************************************************************************/
void Audio_TestApp_Init(void)
{
#if (OS_ADAPTER_ACTIVE_OS == OS_ADAPTER_MQX)
wav_buff = OS_Mem_alloc_uncached_align(AUDIO_ENDPOINT_PACKET_SIZE, 32);
if(wav_buff == NULL)
{
printf("OS_Mem_alloc_uncached_align fail in audio composite example \r\n");
return ;
}
#endif
while(TRUE)
{
while(!start_app)
{
OS_Time_delay(1);
;
}
start_app = FALSE;
printf("USB_Prepare_Data \r\n");
USB_Prepare_Data();
USB_Class_Audio_Send_Data(g_audio_handle, AUDIO_ENDPOINT, wav_buff, AUDIO_ENDPOINT_PACKET_SIZE);
}
}
/*FUNCTION*----------------------------------------------------------------
*
* Function Name : main (Main_Task if using MQX)
* Returned Value : none
* Comments :
* Execution starts here
*
*END*--------------------------------------------------------------------*/
void keyboard_task(uint32_t param)
{
usb_status status = USB_OK;
static unsigned char *buffer;
if(keyboard_inited == 0)
{
g_hid_com = (hid_command_t*) OS_Mem_alloc_zero(sizeof(hid_command_t));
buffer = (unsigned char *)OS_Mem_alloc_uncached(HID_KEYBOARD_BUFFER_SIZE);
if (buffer == NULL) {
printf("\nMemory allocation failed. STATUS: %x", status);
//fflush(stdout);
return;
}
keyboard_inited = 1;
}
if (OS_Event_check_bit(usb_keyboard_event, USB_Keyboard_Event_CTRL))
{
OS_Event_clear(usb_keyboard_event, USB_Keyboard_Event_CTRL);
switch (g_kbd_hid_device.dev_state) {
case USB_DEVICE_CONFIGURED:
status = usb_host_open_dev_interface(host_handle, g_kbd_hid_device.dev_handle, g_kbd_hid_device.intf_handle, (void *) & g_kbd_hid_device.class_handle);
if(status != USB_OK) {
printf("\nError in _usb_hostdev_select_interface: %x", status);
//fflush(stdout);
return;
}
break;
case USB_DEVICE_IDLE:
break;
case USB_DEVICE_INTERFACED:
g_hid_com->class_ptr = g_kbd_hid_device.class_handle;
g_hid_com->callback_fn = usb_host_hid_keyboard_recv_callback;
g_hid_com->callback_param = 0;
OS_Event_clear(usb_keyboard_event, USB_Keyboard_Event_DATA);
status = usb_class_hid_recv_data(g_hid_com, (unsigned char *) buffer, HID_KEYBOARD_BUFFER_SIZE);
if(status != USB_OK) {
printf("\nError in _usb_host_recv_data: %x", status);
//fflush(stdout);
}
break;
}
}
if (OS_Event_check_bit(usb_keyboard_event, USB_Keyboard_Event_DATA))
{
if (g_kbd_hid_device.dev_state == USB_DEVICE_INTERFACED)
{
process_kbd_buffer((unsigned char *)buffer);
OS_Event_clear(usb_keyboard_event, USB_Keyboard_Event_DATA);
g_hid_com->class_ptr = g_kbd_hid_device.class_handle;
g_hid_com->callback_fn = usb_host_hid_keyboard_recv_callback;
g_hid_com->callback_param = 0;
//printf("\nClass handle %x", g_kbd_hid_device.class_handle);
OS_Event_clear(usb_keyboard_event, USB_Keyboard_Event_DATA);
status = usb_class_hid_recv_data(g_hid_com, (unsigned char *) buffer, HID_KEYBOARD_BUFFER_SIZE);
if(status != USB_OK) {
printf("\nError in _usb_host_recv_data: %x", status);
}
}
}
#if (OS_ADAPTER_ACTIVE_OS == OS_ADAPTER_MQX)
OS_Time_delay(1);
#endif
}
