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enhance cdc implementation

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This commit is contained in:
hathach
2018-03-07 11:01:23 +07:00
parent 7928eaf58a
commit 321324a485
4 changed files with 42 additions and 9 deletions
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26
tinyusb/class/cdc/cdc_device.c
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@@ -103,7 +103,13 @@ void cdcd_init(void)
// default line coding is : stop bit = 1, parity = none, data bits = 8
memclr_(cdcd_line_coding, sizeof(cdc_line_coding_t)*CONTROLLER_DEVICE_NUMBER);
for(uint8_t i=0; i<CONTROLLER_DEVICE_NUMBER; i++) cdcd_line_coding[i].data_bits = 8;
for(uint8_t i=0; i<CONTROLLER_DEVICE_NUMBER; i++)
{
cdcd_line_coding[i].bit_rate = 115200;
cdcd_line_coding[i].stop_bits = 0;
cdcd_line_coding[i].parity = 0;
cdcd_line_coding[i].data_bits = 8;
}
}
tusb_error_t cdcd_open(uint8_t coreid, tusb_descriptor_interface_t const * p_interface_desc, uint16_t *p_length)
@@ -195,6 +201,24 @@ tusb_error_t cdcd_control_request_subtask(uint8_t coreid, tusb_control_request_t
break;
case CDC_REQUEST_SET_CONTROL_LINE_STATE: // TODO extract DTE present
{
enum {
ACTIVE_DTE_PRESENT = 0x0003,
ACTIVE_DTE_NOT_PRESENT = 0x0002
};
if (p_request->wValue == ACTIVE_DTE_PRESENT)
{
// terminal connected
}
else if (p_request->wValue == ACTIVE_DTE_NOT_PRESENT)
{
// terminal disconnected
}else
{
// De-active --> disconnected
}
}
break;
default: return TUSB_ERROR_DCD_CONTROL_REQUEST_NOT_SUPPORT;