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clean up

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This commit is contained in:
hathach 2018-11-29 13:09:58 +07:00
parent 402a5fee90
commit ed65a43977
1 changed files with 32 additions and 15 deletions
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47
src/portable/nxp/lpc17xx/dcd_lpc175x_6x.c
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@ -462,11 +462,12 @@ static void control_xfer_isr(uint8_t rhport, uint32_t ep_int_status)
// Control out complete
if ( ep_int_status & BIT_(0) )
{
if (sie_read(SIE_CMDCODE_ENDPOINT_SELECT+0, 1) & SIE_SELECT_ENDPOINT_SETUP_RECEIVED_MASK)
{
// Setup received
(void) sie_read(SIE_CMDCODE_ENDPOINT_SELECT_CLEAR_INTERRUPT+0, 1); // clear setup bit
bool is_setup = sie_read(SIE_CMDCODE_ENDPOINT_SELECT+0, 1) & SIE_SELECT_ENDPOINT_SETUP_RECEIVED_MASK;
LPC_USB->USBEpIntClr = BIT_(0);
if (is_setup)
{
uint8_t setup_packet[8];
control_ep_read(setup_packet, 8); // TODO read before clear setup above
@ -491,6 +492,7 @@ static void control_xfer_isr(uint8_t rhport, uint32_t ep_int_status)
// Control In complete
if ( ep_int_status & BIT_(1) )
{
LPC_USB->USBEpIntClr = BIT_(1);
dcd_event_xfer_complete(rhport, TUSB_DIR_IN_MASK, _dcd.control.in_bytes, XFER_RESULT_SUCCESS, true);
}
}
@ -516,11 +518,10 @@ static void bus_event_isr(uint8_t rhport)
{
dcd_event_bus_signal(rhport, DCD_EVENT_SUSPENDED, true);
}
// else
// { // resume signal
// dcd_event_bus_signal(rhport, DCD_EVENT_RESUME, true);
// }
// }
else
{
dcd_event_bus_signal(rhport, DCD_EVENT_RESUME, true);
}
}
}
@ -539,16 +540,18 @@ void hal_dcd_isr(uint8_t rhport)
if (dev_int_status & DEV_INT_ENDPOINT_SLOW_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);
// Note clear USBEpIntClr will also clear the setup received bit --> clear after handle setup packet
LPC_USB->USBEpIntClr = ep_int_status;
// For non-control only IN transfer is enabled
for ( uint8_t ep_id = 3; ep_id < DCD_ENDPOINT_MAX; ep_id += 2 )
{
if ( BIT_TEST_(ep_int_status, ep_id) )
{
LPC_USB->USBEpIntClr = BIT_(ep_id);
// Clear Ep interrupt for next DMA
LPC_USB->USBEpIntEn &= ~BIT_(ep_id);
@ -558,15 +561,29 @@ void hal_dcd_isr(uint8_t rhport)
}
// DMA transfer complete (RAM <-> EP) for Non-Control
// OUT: USB transfer is complete
// IN : UBS transfer is on-going -> enable EpIntEn to know when it is complete
// OUT: USB transfer is fully complete
// IN : UBS transfer is still on-going -> enable EpIntEn to know when it is complete
uint32_t const dma_int_status = LPC_USB->USBDMAIntSt & LPC_USB->USBDMAIntEn;
if (dma_int_status & DMA_INT_END_OF_XFER_MASK)
{
uint32_t const eot = LPC_USB->USBEoTIntSt;
LPC_USB->USBEoTIntClr = eot; // acknowledge interrupt source
normal_xfer_isr(rhport, eot);
for ( uint8_t ep_id = 2; ep_id < DCD_ENDPOINT_MAX; ep_id++ )
{
if ( BIT_TEST_(eot, ep_id) )
{
if ( ep_id & 0x01 )
{
// IN
LPC_USB->USBEpIntEn |= BIT_(ep_id);
}else
{
// OUT
dd_complete_isr(rhport, ep_id);
}
}
}
}
// Errors