diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/portable/wch/dcd_ch32_usbfs.c | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/src/portable/wch/dcd_ch32_usbfs.c b/src/portable/wch/dcd_ch32_usbfs.c index e4abbd824..f6c573b47 100644 --- a/src/portable/wch/dcd_ch32_usbfs.c +++ b/src/portable/wch/dcd_ch32_usbfs.c @@ -119,8 +119,10 @@ static void update_out(uint8_t rhport, uint8_t ep, size_t rx_len) { if (ep == 0) { EP_RX_CTRL(0) = USBFS_EP_R_RES_ACK; } else { - EP_RX_CTRL(ep) = (EP_RX_CTRL(ep) & ~USBFS_EP_R_RES_MASK) | - (xfer->valid ? USBFS_EP_R_RES_ACK : USBFS_EP_R_RES_NAK); + uint8_t rx_res = data.isochronous[ep] + ? USBFS_EP_R_RES_NYET + : (xfer->valid ? USBFS_EP_R_RES_ACK : USBFS_EP_R_RES_NAK); + EP_RX_CTRL(ep) = (EP_RX_CTRL(ep) & ~USBFS_EP_R_RES_MASK) | rx_res; } } } @@ -272,18 +274,12 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const* desc_ep) { uint8_t dir = tu_edpt_dir(desc_ep->bEndpointAddress); TU_ASSERT(ep < EP_MAX); - data.isochronous[ep] = desc_ep->bmAttributes.xfer == TUSB_XFER_ISOCHRONOUS; data.xfer[ep][dir].max_size = tu_edpt_packet_size(desc_ep); if (ep != 0) { if (dir == TUSB_DIR_OUT) { - if (data.isochronous[ep]) { - EP_RX_CTRL(ep) = USBFS_EP_R_AUTO_TOG | USBFS_EP_R_RES_NYET; - } else { - EP_RX_CTRL(ep) = USBFS_EP_R_AUTO_TOG | USBFS_EP_R_RES_ACK; - } + EP_RX_CTRL(ep) = USBFS_EP_R_AUTO_TOG | USBFS_EP_T_RES_NAK; } else { - EP_TX_LEN(ep) = 0; EP_TX_CTRL(ep) = USBFS_EP_T_AUTO_TOG | USBFS_EP_T_RES_NAK; } } @@ -299,13 +295,18 @@ bool dcd_edpt_iso_alloc(uint8_t rhport, uint8_t ep_addr, uint16_t largest_packet (void) rhport; (void) ep_addr; (void)largest_packet_size; - return false; + uint8_t ep = tu_edpt_number(ep_addr); + uint8_t dir = tu_edpt_dir(ep_addr); + + data.isochronous[ep] = true; + data.xfer[ep][dir].max_size = largest_packet_size; + return true; } bool dcd_edpt_iso_activate(uint8_t rhport, const tusb_desc_endpoint_t *desc_ep) { (void)rhport; (void)desc_ep; - return false; + return true; } bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes, bool is_isr) { @@ -325,7 +326,8 @@ bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t t if (dir == TUSB_DIR_IN) { update_in(rhport, ep, true); } else { - EP_RX_CTRL(ep) = (EP_RX_CTRL(ep) & ~USBFS_EP_R_RES_MASK) | USBFS_EP_R_RES_ACK; + uint8_t rx_res = data.isochronous[ep] ? USBFS_EP_R_RES_NYET : USBFS_EP_R_RES_ACK; + EP_RX_CTRL(ep) = (EP_RX_CTRL(ep) & ~USBFS_EP_R_RES_MASK) | rx_res; } return true; } |