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dcd lpc17xx, route control endpoint to EP_FAST

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hathach 2018-11-29 19:58:17 +07:00
parent ed65a43977
commit a76c5bf154
1 changed files with 25 additions and 35 deletions
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60
src/portable/nxp/lpc17xx/dcd_lpc175x_6x.c
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@ -167,7 +167,7 @@ static void bus_reset(void)
LPC_USB->USBEpIntClr = 0xFFFFFFFF; // clear all pending interrupt
LPC_USB->USBDevIntClr = 0xFFFFFFFF; // clear all pending interrupt
LPC_USB->USBEpIntEn = 0x03UL; // control endpoint cannot use DMA, non-control all use DMA
LPC_USB->USBEpIntPri = 0; // same priority for all endpoint
LPC_USB->USBEpIntPri = 0x03UL; // fast for control endpoint
// step 8 : DMA set up
LPC_USB->USBEpDMADis = 0xFFFFFFFF; // firstly disable all dma
@ -190,7 +190,7 @@ bool dcd_init(uint8_t rhport)
bus_reset();
LPC_USB->USBDevIntEn = (DEV_INT_DEVICE_STATUS_MASK | DEV_INT_ENDPOINT_SLOW_MASK | DEV_INT_ERROR_MASK);
LPC_USB->USBDevIntEn = (DEV_INT_DEVICE_STATUS_MASK | DEV_INT_ENDPOINT_FAST_MASK | DEV_INT_ENDPOINT_SLOW_MASK | DEV_INT_ERROR_MASK);
LPC_USB->USBUDCAH = (uint32_t) _dcd.udca;
LPC_USB->USBDMAIntEn = (DMA_INT_END_OF_XFER_MASK /*| DMA_INT_NEW_DD_REQUEST_MASK*/ | DMA_INT_ERROR_MASK);
@ -429,34 +429,8 @@ bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t* buffer, uint16_t t
//--------------------------------------------------------------------+
// ISR
//--------------------------------------------------------------------+
static void dd_complete_isr(uint8_t rhport, uint8_t ep_id)
{
dma_desc_t* const dd = &_dcd.dd[ep_id];
uint8_t result = (dd->status == DD_STATUS_NORMAL || dd->status == DD_STATUS_DATA_UNDERUN) ? XFER_RESULT_SUCCESS : XFER_RESULT_FAILED;
uint8_t const ep_addr = (ep_id / 2) | ((ep_id & 0x01) ? TUSB_DIR_IN_MASK : 0);
dcd_event_xfer_complete(rhport, ep_addr, dd->present_count, result, true);
}
static void normal_xfer_isr (uint8_t rhport, uint32_t eot_int)
{
for ( uint8_t ep_id = 2; ep_id < DCD_ENDPOINT_MAX; ep_id++ )
{
if ( BIT_TEST_(eot_int, ep_id) )
{
if ( ep_id & 0x01 )
{
// IN
LPC_USB->USBEpIntEn |= BIT_(ep_id);
}else
{
// OUT
dd_complete_isr(rhport, ep_id);
}
}
}
}
// handle control xfer (slave mode)
static void control_xfer_isr(uint8_t rhport, uint32_t ep_int_status)
{
// Control out complete
@ -497,6 +471,7 @@ static void control_xfer_isr(uint8_t rhport, uint32_t ep_int_status)
}
}
// handle bus event signal
static void bus_event_isr(uint8_t rhport)
{
uint8_t const dev_status = sie_read(SIE_CMDCODE_DEVICE_STATUS, 1);
@ -525,6 +500,17 @@ static void bus_event_isr(uint8_t rhport)
}
}
// Helper to complete a DMA descriptor for non-control transfer
static void dd_complete_isr(uint8_t rhport, uint8_t ep_id)
{
dma_desc_t* const dd = &_dcd.dd[ep_id];
uint8_t result = (dd->status == DD_STATUS_NORMAL || dd->status == DD_STATUS_DATA_UNDERUN) ? XFER_RESULT_SUCCESS : XFER_RESULT_FAILED;
uint8_t const ep_addr = (ep_id / 2) | ((ep_id & 0x01) ? TUSB_DIR_IN_MASK : 0);
dcd_event_xfer_complete(rhport, ep_addr, dd->present_count, result, true);
}
// main USB IRQ handler
void hal_dcd_isr(uint8_t rhport)
{
uint32_t const dev_int_status = LPC_USB->USBDevIntSt & LPC_USB->USBDevIntEn;
@ -536,16 +522,20 @@ void hal_dcd_isr(uint8_t rhport)
bus_event_isr(rhport);
}
// Control Endpoint and Non-control IN transfer complete
if (dev_int_status & DEV_INT_ENDPOINT_SLOW_MASK)
// Endpoint interrupt
uint32_t const ep_int_status = LPC_USB->USBEpIntSt & LPC_USB->USBEpIntEn;
// Control Endpoint are fast
if (dev_int_status & DEV_INT_ENDPOINT_FAST_MASK)
{
uint32_t const ep_int_status = LPC_USB->USBEpIntSt & LPC_USB->USBEpIntEn;
// Note clear USBEpIntClr will also clear the setup received bit --> clear after handle setup packet
// Only clear USBEpIntClr 1 endpoint each, and should wait for CDFULL bit set
control_xfer_isr(rhport, ep_int_status);
}
// For non-control only IN transfer is enabled
// non-control IN are slow
if (dev_int_status & DEV_INT_ENDPOINT_SLOW_MASK)
{
for ( uint8_t ep_id = 3; ep_id < DCD_ENDPOINT_MAX; ep_id += 2 )
{
if ( BIT_TEST_(ep_int_status, ep_id) )
@ -575,7 +565,7 @@ void hal_dcd_isr(uint8_t rhport)
{
if ( ep_id & 0x01 )
{
// IN
// IN enable EpInt for end of usb transfer
LPC_USB->USBEpIntEn |= BIT_(ep_id);
}else
{