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authorWilliam D. Jones <[email protected]>2019-01-22 23:57:25 -0500
committerWilliam D. Jones <[email protected]>2019-01-23 00:12:33 -0500
commitd1150432fe89750f49b5a36dbc08838dcf5214ec (patch)
treee54355ce0c999cf9a772b294063194db83097eaf /src
parent51c0ce3f6b8d2dd88bd9f696a8c179bd20ff0568 (diff)
stm32f4: Remove assumption that EP 0 is only control endpoint.
Diffstat (limited to 'src')
-rw-r--r--src/portable/stm/stm32f4/dcd_stm32f4.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/portable/stm/stm32f4/dcd_stm32f4.c b/src/portable/stm/stm32f4/dcd_stm32f4.c
index dfd9a78e0..b2d308d72 100644
--- a/src/portable/stm/stm32f4/dcd_stm32f4.c
+++ b/src/portable/stm/stm32f4/dcd_stm32f4.c
@@ -385,7 +385,6 @@ void OTG_FS_IRQHandler(void) {
USB_OTG_INEndpointTypeDef * in_ep = IN_EP_BASE;
uint32_t * rx_fifo = FIFO_BASE(0);
-
uint32_t int_status = USB_OTG_FS->GINTSTS;
if(int_status & USB_OTG_GINTSTS_USBRST) {
@@ -415,6 +414,7 @@ void OTG_FS_IRQHandler(void) {
// we only pop one ctl word each interrupt).
uint32_t ctl_word = USB_OTG_FS->GRXSTSP;
uint8_t pktsts = (ctl_word & USB_OTG_GRXSTSP_PKTSTS_Msk) >> USB_OTG_GRXSTSP_PKTSTS_Pos;
+ uint8_t epnum = (ctl_word & USB_OTG_GRXSTSP_EPNUM_Msk) >> USB_OTG_GRXSTSP_EPNUM_Pos;
switch(pktsts) {
case 0x01: // Global OUT NAK (Interrupt)
@@ -424,12 +424,12 @@ void OTG_FS_IRQHandler(void) {
case 0x03: // Out packet done (Interrupt)
break;
case 0x04: // Setup packet done (Interrupt)
- _setup_offs = 2 - ((out_ep[0].DOEPTSIZ & USB_OTG_DOEPTSIZ_STUPCNT_Msk) >> USB_OTG_DOEPTSIZ_STUPCNT_Pos);
- out_ep[0].DOEPTSIZ |= (3 << USB_OTG_DOEPTSIZ_STUPCNT_Pos);
+ _setup_offs = 2 - ((out_ep[epnum].DOEPTSIZ & USB_OTG_DOEPTSIZ_STUPCNT_Msk) >> USB_OTG_DOEPTSIZ_STUPCNT_Pos);
+ out_ep[epnum].DOEPTSIZ |= (3 << USB_OTG_DOEPTSIZ_STUPCNT_Pos);
break;
case 0x06: // Setup packet recvd
{
- uint8_t setup_left = ((out_ep[0].DOEPTSIZ & USB_OTG_DOEPTSIZ_STUPCNT_Msk) >> USB_OTG_DOEPTSIZ_STUPCNT_Pos);
+ uint8_t setup_left = ((out_ep[epnum].DOEPTSIZ & USB_OTG_DOEPTSIZ_STUPCNT_Msk) >> USB_OTG_DOEPTSIZ_STUPCNT_Pos);
// We can receive up to three setup packets in succession, but
// only the last one is valid.
_setup_packet[4 - 2*setup_left] = (* rx_fifo);