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clean up

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This commit is contained in:
hathach 2018-11-28 16:56:14 +07:00
parent 04ad5da820
commit 4a521d5085
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GPG Key ID: 2FA891220FBFD581
1 changed files with 43 additions and 46 deletions

89
src/portable/nxp/lpc17xx/dcd_lpc175x_6x.c

@ -60,10 +60,10 @@ typedef struct ATTR_ALIGNED(4)
uint16_t : 1; ///< reserved
uint16_t isochronous : 1; // is an iso endpoint
uint16_t max_packet_size : 11;
volatile uint16_t buffer_length; // bytes for non-iso, number of packets for iso endpoint
volatile uint16_t buflen; // bytes for non-iso, number of packets for iso endpoint
//------------- Word 2 -------------//
volatile uint32_t buffer_addr;
volatile uint32_t buffer;
//------------- Word 3 -------------//
volatile uint16_t retired : 1; // initialized to zero
@ -358,8 +358,8 @@ void dd_xfer_init(dma_desc_t* p_dd, void* buffer, uint16_t total_bytes)
{
p_dd->next = 0;
p_dd->next_valid = 0;
p_dd->buffer_addr = (uint32_t) buffer;
p_dd->buffer_length = total_bytes;
p_dd->buffer = (uint32_t) buffer;
p_dd->buflen = total_bytes;
p_dd->status = DD_STATUS_NOT_SERVICED;
p_dd->iso_last_packet_valid = 0;
p_dd->present_count = 0;
@ -445,43 +445,39 @@ static void control_xfer_isr(uint8_t rhport)
uint32_t const ep_int_status = LPC_USB->USBEpIntSt & LPC_USB->USBEpIntEn;
// LPC_USB->USBEpIntClr = ep_int_status; // acknowledge interrupt TODO cannot immediately acknowledge setup packet
//------------- Setup Received-------------//
if ( (ep_int_status & BIT_(0)) &&
(sie_read(SIE_CMDCODE_ENDPOINT_SELECT+0, 1) & SIE_SELECT_ENDPOINT_SETUP_RECEIVED_MASK) )
// Control out complete
if ( ep_int_status & BIT_(0) )
{
(void) sie_read(SIE_CMDCODE_ENDPOINT_SELECT_CLEAR_INTERRUPT+0, 1); // clear setup bit
uint8_t setup_packet[8];
control_ep_read(setup_packet, 8); // TODO read before clear setup above
dcd_event_setup_received(rhport, setup_packet, true);
}
else if (ep_int_status & 0x03)
{
// Control out complete
if ( ep_int_status & BIT_(0) )
if (sie_read(SIE_CMDCODE_ENDPOINT_SELECT+0, 1) & SIE_SELECT_ENDPOINT_SETUP_RECEIVED_MASK)
{
if ( _dcd.control.out_buffer )
{
// software queued transfer previously
uint8_t received = control_ep_read(_dcd.control.out_buffer, _dcd.control.out_bytes);
// Setup received
(void) sie_read(SIE_CMDCODE_ENDPOINT_SELECT_CLEAR_INTERRUPT+0, 1); // clear setup bit
_dcd.control.out_buffer = NULL;
_dcd.control.out_bytes = 0;
uint8_t setup_packet[8];
control_ep_read(setup_packet, 8); // TODO read before clear setup above
dcd_event_xfer_complete(rhport, 0, received, XFER_RESULT_SUCCESS, true);
}else
{
// mark as received
_dcd.control.out_received = true;
}
dcd_event_setup_received(rhport, setup_packet, true);
}
else if ( _dcd.control.out_buffer )
{
// software queued transfer previously
uint8_t received = control_ep_read(_dcd.control.out_buffer, _dcd.control.out_bytes);
_dcd.control.out_buffer = NULL;
_dcd.control.out_bytes = 0;
dcd_event_xfer_complete(rhport, 0, received, XFER_RESULT_SUCCESS, true);
}else
{
// hardware auto ack packet -> mark as received
_dcd.control.out_received = true;
}
}
// Control In complete
if ( ep_int_status & BIT_(1) )
{
dcd_event_xfer_complete(rhport, TUSB_DIR_IN_MASK, _dcd.control.in_bytes, XFER_RESULT_SUCCESS, true);
}
if ( ep_int_status & BIT_(1) )
{
dcd_event_xfer_complete(rhport, TUSB_DIR_IN_MASK, _dcd.control.in_bytes, XFER_RESULT_SUCCESS, true);
}
LPC_USB->USBEpIntClr = ep_int_status; // acknowledge interrupt TODO cannot immediately acknowledge setup packet
@ -491,27 +487,28 @@ void hal_dcd_isr(uint8_t rhport)
{
(void) rhport;
uint32_t const device_int_status = LPC_USB->USBDevIntSt & LPC_USB->USBDevIntEn;
LPC_USB->USBDevIntClr = device_int_status;// Acknowledge handled interrupt
uint32_t const dev_int_status = LPC_USB->USBDevIntSt & LPC_USB->USBDevIntEn;
LPC_USB->USBDevIntClr = dev_int_status;// Acknowledge handled interrupt
// Bus event
if (device_int_status & DEV_INT_DEVICE_STATUS_MASK)
if (dev_int_status & DEV_INT_DEVICE_STATUS_MASK)
{
uint8_t const dev_status_reg = sie_read(SIE_CMDCODE_DEVICE_STATUS, 1);
if (dev_status_reg & SIE_DEV_STATUS_RESET_MASK)
uint8_t const dev_status = sie_read(SIE_CMDCODE_DEVICE_STATUS, 1);
if (dev_status & SIE_DEV_STATUS_RESET_MASK)
{
bus_reset();
dcd_event_bus_signal(rhport, DCD_EVENT_BUS_RESET, true);
}
if (dev_status_reg & SIE_DEV_STATUS_CONNECT_CHANGE_MASK)
{ // device is disconnected, require using VBUS (P1_30)
if (dev_status & SIE_DEV_STATUS_CONNECT_CHANGE_MASK)
{
// device is disconnected, require using VBUS (P1_30)
dcd_event_bus_signal(rhport, DCD_EVENT_UNPLUGGED, true);
}
if (dev_status_reg & SIE_DEV_STATUS_SUSPEND_CHANGE_MASK)
if (dev_status & SIE_DEV_STATUS_SUSPEND_CHANGE_MASK)
{
if (dev_status_reg & SIE_DEV_STATUS_SUSPEND_MASK)
if (dev_status & SIE_DEV_STATUS_SUSPEND_MASK)
{
dcd_event_bus_signal(rhport, DCD_EVENT_SUSPENDED, true);
}
@ -524,7 +521,7 @@ void hal_dcd_isr(uint8_t rhport)
}
// Control Endpoint
if (device_int_status & DEV_INT_ENDPOINT_SLOW_MASK)
if (dev_int_status & DEV_INT_ENDPOINT_SLOW_MASK)
{
control_xfer_isr(rhport);
}
@ -534,13 +531,13 @@ void hal_dcd_isr(uint8_t rhport)
if (dma_int_status & DMA_INT_END_OF_XFER_MASK)
{
uint32_t eot_int = LPC_USB->USBEoTIntSt;
uint32_t const eot_int = LPC_USB->USBEoTIntSt;
LPC_USB->USBEoTIntClr = eot_int; // acknowledge interrupt source
normal_xfer_isr(rhport, eot_int);
}
if ( (device_int_status & DEV_INT_ERROR_MASK) || (dma_int_status & DMA_INT_ERROR_MASK) )
if ( (dev_int_status & DEV_INT_ERROR_MASK) || (dma_int_status & DMA_INT_ERROR_MASK) )
{
uint32_t error_status = sie_read(SIE_CMDCODE_READ_ERROR_STATUS, 1);
(void) error_status;