PaulStoffregen
4 years ago
1 changed files with 2 additions and 2 deletions
+ 2
- 2
teensy4/usb.c
View File
| if (USB1_ENDPTPRIME & epmask) goto end; | if (USB1_ENDPTPRIME & epmask) goto end; | ||||
| //digitalWriteFast(2, HIGH); | //digitalWriteFast(2, HIGH); | ||||
| //ret |= 0x01; | //ret |= 0x01; | ||||
| uint32_t status; | |||||
| uint32_t status, cyccnt=ARM_DWT_CYCCNT; | |||||
| do { | do { | ||||
| USB1_USBCMD |= USB_USBCMD_ATDTW; | USB1_USBCMD |= USB_USBCMD_ATDTW; | ||||
| status = USB1_ENDPTSTATUS; | status = USB1_ENDPTSTATUS; | ||||
| } while (!(USB1_USBCMD & USB_USBCMD_ATDTW)); | |||||
| } while (!(USB1_USBCMD & USB_USBCMD_ATDTW) && (ARM_DWT_CYCCNT - cyccnt < 2400)); | |||||
| //USB1_USBCMD &= ~USB_USBCMD_ATDTW; | //USB1_USBCMD &= ~USB_USBCMD_ATDTW; | ||||
| if (status & epmask) goto end; | if (status & epmask) goto end; | ||||
| //ret |= 0x02; | //ret |= 0x02; |
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