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add tusbh_cdc_send, t usbh_cdc_receive

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add cdc_serial_app for virtual com demo
This commit is contained in:
hathach
2013-07-02 16:41:13 +07:00
parent 51f894b0bf
commit 6ce90e2bd8
10 changed files with 204 additions and 12 deletions
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37
tinyusb/class/cdc_host.c
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@@ -57,18 +57,51 @@
//--------------------------------------------------------------------+
/*STATIC_*/ cdch_data_t cdch_data[TUSB_CFG_HOST_DEVICE_MAX];
STATIC_ INLINE_ bool tusbh_cdc_is_mounted(uint8_t dev_addr) ATTR_PURE ATTR_ALWAYS_INLINE ATTR_WARN_UNUSED_RESULT;
STATIC_ INLINE_ bool tusbh_cdc_is_mounted(uint8_t dev_addr)
{
return (tusbh_device_get_mounted_class_flag(dev_addr) & BIT_(TUSB_CLASS_CDC)) != 0;
}
//--------------------------------------------------------------------+
// APPLICATION API (parameter validation needed)
//--------------------------------------------------------------------+
bool tusbh_cdc_serial_is_mounted(uint8_t dev_addr)
{
// TODO consider all AT Command as serial candidate
return
(tusbh_device_get_mounted_class_flag(dev_addr) & BIT_(TUSB_CLASS_CDC) ) &&
return tusbh_cdc_is_mounted(dev_addr) &&
(CDC_COMM_PROTOCOL_ATCOMMAND <= cdch_data[dev_addr-1].interface_protocol) &&
(cdch_data[dev_addr-1].interface_protocol <= CDC_COMM_PROTOCOL_ATCOMMAND_CDMA);
}
tusb_error_t tusbh_cdc_send(uint8_t dev_addr, void const * p_data, uint32_t length, bool is_notify)
{
ASSERT( tusbh_cdc_is_mounted(dev_addr), TUSB_ERROR_CDCH_DEVICE_NOT_MOUNTED);
ASSERT( p_data != NULL && length, TUSB_ERROR_INVALID_PARA);
pipe_handle_t pipe_out = cdch_data[dev_addr-1].pipe_out;
if ( !hcd_pipe_is_idle(pipe_out) )
{
return TUSB_ERROR_INTERFACE_IS_BUSY;
}
return hcd_pipe_xfer( pipe_out, (void *) p_data, length, is_notify);
}
tusb_error_t tusbh_cdc_receive(uint8_t dev_addr, void * p_buffer, uint32_t length, bool is_notify)
{
ASSERT( tusbh_cdc_is_mounted(dev_addr), TUSB_ERROR_CDCH_DEVICE_NOT_MOUNTED);
ASSERT( p_buffer != NULL && length, TUSB_ERROR_INVALID_PARA);
pipe_handle_t pipe_in = cdch_data[dev_addr-1].pipe_in;
if ( !hcd_pipe_is_idle(pipe_in) )
{
return TUSB_ERROR_INTERFACE_IS_BUSY;
}
return hcd_pipe_xfer( pipe_in, p_buffer, length, is_notify);
}
//--------------------------------------------------------------------+
// USBH-CLASS DRIVER API
//--------------------------------------------------------------------+