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DA146xx: Add dcd_edpt_close 

Closing endpoints can be important when there are alternate
instances. This adds functionality of closing endpoints
similar to what exists in other drivers.
This commit is contained in:
Jerzy Kasenberg 2020-10-02 12:38:43 +02:00
parent 9edf4334c4
commit 6615dd9062
1 changed files with 44 additions and 0 deletions
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44
src/portable/dialog/da146xx/dcd_da146xx.c
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@ -814,6 +814,50 @@ bool dcd_edpt_open(uint8_t rhport, tusb_desc_endpoint_t const * desc_edpt)
return true;
}
void dcd_edpt_close(uint8_t rhport, uint8_t ep_addr)
{
uint8_t const epnum = tu_edpt_number(ep_addr);
uint8_t const dir = tu_edpt_dir(ep_addr);
xfer_ctl_t * xfer = XFER_CTL_BASE(epnum, dir);
(void)rhport;
TU_ASSERT(epnum < EP_MAX,);
if (epnum == 0)
{
USB->USB_MAMSK_REG &= ~(USB_USB_MAMSK_REG_USB_M_EP0_RX_Msk |
USB_USB_MAMSK_REG_USB_M_EP0_TX_Msk);
}
else
{
if (dir == TUSB_DIR_OUT)
{
xfer->regs->rxc = USB_USB_RXC1_REG_USB_FLUSH_Msk;
xfer->regs->epc_out = 0;
USB->USB_RXMSK_REG &= ~(0x101 << (epnum - 1));
// Release DMA if needed
if (_dcd.dma_ep[TUSB_DIR_OUT] == epnum)
{
RX_DMA_REGS->DMAx_CTRL_REG &= ~DMA_DMA0_CTRL_REG_DMA_ON_Msk;
_dcd.dma_ep[TUSB_DIR_OUT] = 0;
}
}
else
{
xfer->regs->txc = USB_USB_TXC1_REG_USB_FLUSH_Msk;
xfer->regs->epc_in = 0;
USB->USB_TXMSK_REG &= ~(0x101 << (epnum - 1));
// Release DMA if needed
if (_dcd.dma_ep[TUSB_DIR_IN] == epnum)
{
TX_DMA_REGS->DMAx_CTRL_REG &= ~DMA_DMA1_CTRL_REG_DMA_ON_Msk;
_dcd.dma_ep[TUSB_DIR_IN] = 0;
}
}
}
}
bool dcd_edpt_xfer(uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes)
{
uint8_t const epnum = tu_edpt_number(ep_addr);