DA146xx: Add support for ISO endpoints
Few changes were needed to have working ISO endpoints.
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@ -210,6 +210,8 @@ typedef struct {
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uint8_t data1 : 1;
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// Endpoint is stalled
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uint8_t stall : 1;
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// ISO endpoint
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uint8_t iso : 1;
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} xfer_ctl_t;
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static struct
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@ -290,7 +292,7 @@ static void transmit_packet(xfer_ctl_t * xfer)
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EPx_REGS *regs = xfer->regs;
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uint32_t txc;
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txc = USB_USB_TXC1_REG_USB_TX_EN_Msk;
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txc = USB_USB_TXC1_REG_USB_TX_EN_Msk | USB_USB_TXC1_REG_USB_IGN_ISOMSK_Msk;
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if (xfer->data1) txc |= USB_USB_TXC1_REG_USB_TOGGLE_TX_Msk;
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src = &xfer->buffer[xfer->transferred];
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@ -531,7 +533,7 @@ static void handle_epx_rx_ev(uint8_t ep)
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}
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if (GET_BIT(rxs, USB_USB_RXS1_REG_USB_RX_LAST))
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{
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if (GET_BIT(rxs, USB_USB_RXS1_REG_USB_TOGGLE_RX) != xfer->data1)
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if (!xfer->iso && GET_BIT(rxs, USB_USB_RXS1_REG_USB_TOGGLE_RX) != xfer->data1)
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{
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// Toggle bit does not match discard packet
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regs->rxc |= USB_USB_RXC1_REG_USB_FLUSH_Msk;
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@ -540,7 +542,7 @@ static void handle_epx_rx_ev(uint8_t ep)
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{
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xfer->data1 ^= 1;
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xfer->transferred += xfer->last_packet_size;
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if (xfer->total_len == xfer->transferred || xfer->last_packet_size < xfer->max_packet_size)
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if (xfer->total_len == xfer->transferred || xfer->last_packet_size < xfer->max_packet_size || xfer->iso)
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{
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dcd_event_xfer_complete(0, xfer->ep_addr, xfer->transferred, XFER_RESULT_SUCCESS, true);
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}
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@ -787,8 +789,13 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * desc_edpt)
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xfer->max_packet_size = desc_edpt->wMaxPacketSize.size;
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xfer->ep_addr = desc_edpt->bEndpointAddress;
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xfer->data1 = 0;
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xfer->iso = 0;
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if (epnum != 0 && desc_edpt->bmAttributes.xfer == 1) iso_mask = USB_USB_EPC1_REG_USB_ISO_Msk;
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if (epnum != 0 && desc_edpt->bmAttributes.xfer == 1)
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{
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iso_mask = USB_USB_EPC1_REG_USB_ISO_Msk;
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xfer->iso = 1;
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}
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if (epnum == 0)
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{
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