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add macro for errata 104 fix

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hathach 2018-04-16 17:33:15 +07:00
parent 6f7c4346c3
commit 6e9bed69ce
1 changed files with 16 additions and 6 deletions
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22
tinyusb/portable/nordic/nrf5x/dcd_nrf5x.c
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@ -48,6 +48,8 @@
#include "device/dcd.h"
#define ERRATA_104_FIX 0
/*------------------------------------------------------------------*/
/* MACRO TYPEDEF CONSTANT ENUM
*------------------------------------------------------------------*/
@ -72,9 +74,11 @@ typedef struct
uint8_t mps; // max packet size
#if ERRATA_104_FIX
// FIXME Errata 104 walkaround
uint16_t frame_num;
uint8_t prev_size;
#endif
} nom_xfer_t;
/*static*/ struct
@ -292,12 +296,14 @@ bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t
xfer->total_len = total_bytes;
xfer->actual_len = 0;
#if ERRATA_104_FIX
// FIXME Errata 104 walkaround
if ( nrf_drv_usbd_errata_104() )
{
xfer->frame_num = (uint16_t) NRF_USBD->FRAMECNTR;
xfer->prev_size = NRF_USBD->SIZE.EPOUT[epnum];
}
#endif
normal_xact_start(epnum, dir);
@ -477,13 +483,17 @@ void USBD_IRQHandler(void)
uint8_t const xact_len = NRF_USBD->SIZE.EPOUT[epnum];
// FIXME nrf52840 rev A does not NAK OUT packet properly
TU_ASSERT(xfer->actual_len < xfer->total_len, );
#if ERRATA_104_FIX
// FIXME Errata 104 walkaround
if ( nrf_drv_usbd_errata_104() )
{
xfer->prev_size = xact_len;
xfer->frame_num = (uint16_t) NRF_USBD->FRAMECNTR;
}
#endif
// Trigger DMA move data from Endpoint -> SRAM
NRF_USBD->EPOUT[epnum].PTR = (uint32_t) xfer->buffer;
@ -527,7 +537,7 @@ void USBD_IRQHandler(void)
{
dcd_bus_event(0, USBD_BUS_EVENT_SOF);
#if 1
#if ERRATA_104_FIX
// FIXME Errata 104 The EPDATA event might not be generated, and the related update of EPDATASTATUS does not occur.
// There is no way for software to tell if a xfer is complete or not.
// Walkaround: we will asssume an non-control IN transfer is always complete after 10 frames
@ -537,11 +547,13 @@ void USBD_IRQHandler(void)
for (int ep=1; ep<8; ep++)
{
nom_xfer_t* xfer = get_td(ep, TUSB_DIR_OUT);
if ( (xfer->actual_len < xfer->total_len) && (xfer->prev_size != NRF_USBD->SIZE.EPOUT[ep]) )
uint8_t const xact_len = NRF_USBD->SIZE.EPOUT[ep];
if ( frame_sofar(xfer->frame_num) > 20)
{
if ( frame_sofar(xfer->frame_num) > 2)
if ( (xact_len != 0) && (xfer->actual_len < xfer->total_len) && (xfer->prev_size != xact_len) )
{
uint8_t const xact_len = NRF_USBD->SIZE.EPOUT[ep];
xfer->prev_size = xact_len;
xfer->frame_num = (uint16_t) NRF_USBD->FRAMECNTR;
@ -557,7 +569,6 @@ void USBD_IRQHandler(void)
}
}
#if 0
// Check all the queued IN transfer, retire all transfer if 10 frames has passed
for (int ep=1; ep< 8; ep++)
{
@ -573,7 +584,6 @@ void USBD_IRQHandler(void)
}
}
}
#endif
}
#endif