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add tud_mounted() check in tud_cdc_connected()

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mark device as disconnected immed with DCD_EVENT_UNPLUGGED
This commit is contained in:
hathach 2019-03-27 23:58:24 +07:00
parent c09d754654
commit 8fb9fbb0b1
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GPG Key ID: 2FA891220FBFD581
3 changed files with 7 additions and 4 deletions
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2
src/class/cdc/cdc_device.c
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@ -99,7 +99,7 @@ static void _prep_out_transaction (uint8_t itf)
bool tud_cdc_n_connected(uint8_t itf)
{
// DTR (bit 0) active is considered as connected
return TU_BIT_TEST(_cdcd_itf[itf].line_state, 0);
return tud_mounted() && TU_BIT_TEST(_cdcd_itf[itf].line_state, 0);
}
uint8_t tud_cdc_n_get_line_state (uint8_t itf)

1
src/class/cdc/cdc_device.h
View File

@ -97,7 +97,6 @@ ATTR_WEAK void tud_cdc_line_coding_cb(uint8_t itf, cdc_line_coding_t const* p_li
//--------------------------------------------------------------------+
// INTERNAL USBD-CLASS DRIVER API
//--------------------------------------------------------------------+
void cdcd_init (void);
bool cdcd_open (uint8_t rhport, tusb_desc_interface_t const * p_interface_desc, uint16_t *p_length);

8
src/device/usbd.c
View File

@ -40,7 +40,7 @@
// Device Data
//--------------------------------------------------------------------+
typedef struct {
uint8_t config_num;
volatile uint8_t config_num;
uint8_t itf2drv[16]; // map interface number to driver (0xff is invalid)
uint8_t ep2drv[8][2]; // map endpoint to driver ( 0xff is invalid )
@ -332,7 +332,7 @@ static bool process_control_request(uint8_t rhport, tusb_control_request_t const
break;
case TUSB_REQ_GET_CONFIGURATION:
data_buf = &_usbd_dev.config_num;
data_buf = (uint8_t*) &_usbd_dev.config_num;
data_len = 1;
break;
@ -543,7 +543,11 @@ void dcd_event_handler(dcd_event_t const * event, bool in_isr)
switch (event->event_id)
{
case DCD_EVENT_BUS_RESET:
osal_queue_send(_usbd_q, event, in_isr);
break;
case DCD_EVENT_UNPLUGGED:
_usbd_dev.config_num = 0; // mark disconnected
osal_queue_send(_usbd_q, event, in_isr);
break;