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usb_cdc: Add usb_read_ep0_setup() interface function

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Use new usb_read_ep0_setup() function when reading a setup packet -
this allows the low-level usb hardware code to better handle errors.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor
2018-09-30 15:14:30 -04:00
parent 731236cf20
commit 93e4897044
4 changed files with 14 additions and 2 deletions
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1
src/generic/usb_cdc.h
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@@ -15,6 +15,7 @@ enum {
int_fast8_t usb_read_bulk_out(void *data, uint_fast8_t max_len);
int_fast8_t usb_send_bulk_in(void *data, uint_fast8_t len);
int_fast8_t usb_read_ep0(void *data, uint_fast8_t max_len);
int_fast8_t usb_read_ep0_setup(void *data, uint_fast8_t max_len);
int_fast8_t usb_send_ep0(const void *data, uint_fast8_t len);
int_fast8_t usb_send_ep0_progmem(const void *data, uint_fast8_t len);
void usb_stall_ep0(void);