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sw: usb-unififo: add code to test usb RX 

This just reads SOF packets and validates they're correct.  This ensures
that bitstuffing is good.

Signed-off-by: Sean Cross <sean@xobs.io>
This commit is contained in:
Sean Cross 2019-03-05 15:50:36 +08:00
parent ce071dac67
commit c0842737bf
1 changed files with 11 additions and 1 deletions
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12
sw/src/usb-unififo.c
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@ -147,6 +147,8 @@ static uint8_t usb_ep0out_buffer[EP0OUT_BUFFERS][128];
static uint8_t usb_ep0out_buffer_len[EP0OUT_BUFFERS];
void usb_poll(void)
{
// usb_isr();
// printf("Start byte_count: %d\n", usb_byte_count_read());
while (usb_ep0out_rd_ptr != usb_ep0out_wr_ptr) {
uint8_t *obuf = usb_ep0out_buffer[usb_ep0out_rd_ptr];
uint8_t cnt = usb_ep0out_buffer_len[usb_ep0out_rd_ptr];
@ -173,6 +175,15 @@ void usb_init(void) {
return;
}
int usb_send(struct usb_device *dev, int epnum, const void *data, int total_count) {
unsigned int i;
const uint8_t *data_bfr = data;
for (i = 0; i < total_count; i++) {
usb_ibuf_head_write(data_bfr[i]);
}
usb_arm_write(0);
}
void usb_isr(void) {
uint8_t pending = usb_ev_pending_read();
unsigned int byte_count = 0;
@ -199,7 +210,6 @@ void usb_connect(void) {
usb_ev_pending_write(usb_ev_pending_read());
usb_ev_enable_write(1);
usb_obuf_head_write(0);
irq_setmask(irq_getmask() | (1 << USB_INTERRUPT));
}