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add cdc send break request

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This commit is contained in:
sakimisu
2023-06-21 19:39:48 +08:00
parent 2d1b4b8b82
commit d970f88f06
2 changed files with 12 additions and 10 deletions
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21
class/cdc/usbd_cdc.c
View File

@@ -48,15 +48,10 @@ static int cdc_acm_class_interface_request_handler(struct usb_setup_packet *setu
parity_name[line_coding.bParityType],
stop_name[line_coding.bCharFormat]);
/* check if current line coding is the same with last, if they are the same, do not set line coding */
usbd_cdc_acm_get_line_coding(intf_num, &line_coding_last);
if (memcmp(&line_coding_last, &line_coding, sizeof(struct cdc_line_coding))) {
usbd_cdc_acm_set_line_coding(intf_num, &line_coding);
}
usbd_cdc_acm_set_line_coding(intf_num, &line_coding);
break;
case CDC_REQUEST_SET_CONTROL_LINE_STATE: {
case CDC_REQUEST_SET_CONTROL_LINE_STATE:
dtr = (setup->wValue & 0x0001);
rts = (setup->wValue & 0x0002);
USB_LOG_DBG("Set intf:%d DTR 0x%x,RTS 0x%x\r\n",
@@ -65,7 +60,7 @@ static int cdc_acm_class_interface_request_handler(struct usb_setup_packet *setu
rts);
usbd_cdc_acm_set_dtr(intf_num, dtr);
usbd_cdc_acm_set_rts(intf_num, rts);
} break;
break;
case CDC_REQUEST_GET_LINE_CODING:
usbd_cdc_acm_get_line_coding(intf_num, &line_coding);
@@ -78,7 +73,9 @@ static int cdc_acm_class_interface_request_handler(struct usb_setup_packet *setu
line_coding.bParityType,
line_coding.bDataBits);
break;
case CDC_REQUEST_SEND_BREAK:
usbd_cdc_acm_send_break(intf_num);
break;
default:
USB_LOG_WRN("Unhandled CDC Class bRequest 0x%02x\r\n", setup->bRequest);
return -1;
@@ -115,4 +112,8 @@ __WEAK void usbd_cdc_acm_set_dtr(uint8_t intf, bool dtr)
__WEAK void usbd_cdc_acm_set_rts(uint8_t intf, bool rts)
{
}
}
__WEAK void usbd_cdc_acm_send_break(uint8_t intf)
{
}

1
class/cdc/usbd_cdc.h
View File

@@ -20,6 +20,7 @@ void usbd_cdc_acm_set_line_coding(uint8_t intf, struct cdc_line_coding *line_cod
void usbd_cdc_acm_get_line_coding(uint8_t intf, struct cdc_line_coding *line_coding);
void usbd_cdc_acm_set_dtr(uint8_t intf, bool dtr);
void usbd_cdc_acm_set_rts(uint8_t intf, bool rts);
void usbd_cdc_acm_send_break(uint8_t intf);
#ifdef __cplusplus
}