mirror of
https://github.com/hathach/tinyusb.git
synced 2025-01-17 05:32:55 +08:00
minor update dcd nrf5x
add walkaround CDC buffer for nrf52 (due to not able to NAK OUT packet)
This commit is contained in:
hathach
parent
7faceeb02d
commit
df367bac54
@ -66,11 +66,17 @@ typedef struct {
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}cdcd_data_t;
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// TODO multiple rhport
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CFG_TUSB_ATTR_USBRAM ATTR_ALIGNED(4) uint8_t _tmp_rx_buf[64];
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CFG_TUSB_ATTR_USBRAM ATTR_ALIGNED(4) uint8_t _tmp_tx_buf[64];
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#ifdef NRF52840_XXAA
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// FIXME nrf52 OUT bug ( Controller ACK data even we didn't prepare transfer )
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CFG_TUSB_ATTR_USBRAM CFG_TUSB_MEM_ALIGN uint8_t _tmp_rx_buf[1024];
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#else
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CFG_TUSB_ATTR_USBRAM CFG_TUSB_MEM_ALIGN uint8_t _tmp_rx_buf[64];
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#endif
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CFG_TUSB_ATTR_USBRAM CFG_TUSB_MEM_ALIGN uint8_t _tmp_tx_buf[64];
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FIFO_DEF(_rx_ff, CFG_TUD_CDC_BUFSIZE, uint8_t, true);
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FIFO_DEF(_tx_ff, CFG_TUD_CDC_BUFSIZE, uint8_t, true);
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FIFO_DEF(_tx_ff, CFG_TUD_CDC_BUFSIZE, uint8_t, false);
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//--------------------------------------------------------------------+
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// INTERNAL OBJECT & FUNCTION DECLARATION
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@ -83,7 +89,7 @@ STATIC_VAR cdcd_data_t cdcd_data[CONTROLLER_DEVICE_NUMBER];
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bool tud_n_cdc_connected(uint8_t rhport)
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{
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// Either RTS or DTR active considered as connected
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return cdcd_data[rhport].line_state;
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return (cdcd_data[rhport].line_state != 0);
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}
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uint32_t tud_n_cdc_available(uint8_t rhport)
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@ -104,7 +110,7 @@ uint32_t tud_n_cdc_read(uint8_t rhport, void* buffer, uint32_t bufsize)
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uint32_t tud_n_cdc_write_char(uint8_t rhport, char ch)
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{
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return fifo_write(&_tx_ff, &ch);
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return fifo_write(&_tx_ff, &ch) ? 1 : 0;
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}
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uint32_t tud_n_cdc_write(uint8_t rhport, void const* buffer, uint32_t bufsize)
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@ -55,7 +55,7 @@ enum
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MAX_PACKET_SIZE = 64,
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// Mask of all END event (IN & OUT) for all endpoints. ENDEPIN0-7, ENDEPOUT0-7, ENDISOIN, ENDISOOUT
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EDPT_END_ALL_MASK = 0x1FFBFC
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EDPT_END_ALL_MASK = 0x1FFBFCUL
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};
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/*------------------------------------------------------------------*/
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@ -139,7 +139,7 @@ void dcd_set_config (uint8_t rhport, uint8_t config_num)
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*------------------------------------------------------------------*/
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static void edpt_dma_start(uint8_t epnum, uint8_t dir)
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{
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// Only one dma could be active
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// Only one dma could be active, TODO resolve when this is called in ISR and dma is running
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while ( _dcd.dma_running ) { }
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_dcd.dma_running = true;
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@ -229,16 +229,17 @@ bool dcd_control_xfer (uint8_t rhport, tusb_dir_t dir, uint8_t * buffer, uint16_
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/*------------------------------------------------------------------*/
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/*
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*------------------------------------------------------------------*/
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static inline nom_xfer_t* get_td(uint8_t epnum, uint8_t dir)
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{
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return &_dcd.xfer[epnum-1][dir];
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}
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static void normal_xact_start(uint8_t epnum, uint8_t dir)
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{
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nom_xfer_t* xfer = &_dcd.xfer[epnum-1][dir];
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// Each transaction is up to Max Packet Size
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uint8_t const xact_len = min16_of(xfer->total_len - xfer->actual_len, xfer->mps);
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if ( dir == TUSB_DIR_OUT )
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{
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// Errata 135: HW issue on nrf5284 sample, SIZE.EPOUT won't trigger ACK as spec
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// Errata : HW issue on nrf5284 sample, SIZE.EPOUT won't trigger ACK as spec
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// use the back door interface as sdk for walk around
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if ( nrf_drv_usbd_errata_sizeepout_rw() )
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{
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@ -254,6 +255,11 @@ static void normal_xact_start(uint8_t epnum, uint8_t dir)
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}
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}else
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{
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nom_xfer_t* xfer = get_td(epnum, dir);
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// Each transaction is up to Max Packet Size
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uint8_t const xact_len = min16_of(xfer->total_len - xfer->actual_len, xfer->mps);
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NRF_USBD->EPIN[epnum].PTR = (uint32_t) xfer->buffer;
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NRF_USBD->EPIN[epnum].MAXCNT = xact_len;
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@ -293,7 +299,7 @@ bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t
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uint8_t const epnum = edpt_number(ep_addr);
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uint8_t const dir = edpt_dir(ep_addr);
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nom_xfer_t* xfer = &_dcd.xfer[epnum-1][dir];
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nom_xfer_t* xfer = get_td(epnum, dir);
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xfer->buffer = buffer;
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xfer->total_len = total_bytes;
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@ -307,14 +313,6 @@ bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t
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normal_xact_start(epnum, dir);
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// if ( dir == TUSB_DIR_OUT )
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// {
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// // TODO
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// }else
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// {
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//
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// }
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return true;
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}
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@ -352,7 +350,7 @@ bool dcd_edpt_busy (uint8_t rhport, uint8_t ep_addr)
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uint8_t const epnum = edpt_number(ep_addr);
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uint8_t const dir = edpt_dir(ep_addr);
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nom_xfer_t* xfer = &_dcd.xfer[epnum-1][dir];
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nom_xfer_t* xfer = get_td(epnum, dir);
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return xfer->actual_len < xfer->total_len;
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}
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@ -451,7 +449,7 @@ void USBD_IRQHandler(void)
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{
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if ( BIT_TEST_(data_status, epnum ) )
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{
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nom_xfer_t* xfer = &_dcd.xfer[epnum-1][TUSB_DIR_IN];
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nom_xfer_t* xfer = get_td(epnum, TUSB_DIR_IN);
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xfer->actual_len += NRF_USBD->EPIN[epnum].MAXCNT;
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@ -472,7 +470,7 @@ void USBD_IRQHandler(void)
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{
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if ( BIT_TEST_(data_status, 16+epnum ) )
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{
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nom_xfer_t* xfer = &_dcd.xfer[epnum-1][TUSB_DIR_OUT];
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nom_xfer_t* xfer = get_td(epnum, TUSB_DIR_OUT);
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uint8_t const xact_len = NRF_USBD->SIZE.EPOUT[epnum];
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@ -493,27 +491,15 @@ void USBD_IRQHandler(void)
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{
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if ( BIT_TEST_(int_status, USBD_INTEN_ENDEPOUT0_Pos+epnum) )
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{
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nom_xfer_t* xfer = &_dcd.xfer[epnum-1][TUSB_DIR_OUT];
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nom_xfer_t* xfer = get_td(epnum, TUSB_DIR_OUT);
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uint8_t const xact_len = NRF_USBD->EPOUT[epnum].AMOUNT;
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// Transfer complete if transaction len < Max Packet Size or total len is transferred
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if ( (NRF_USBD->EPOUT[epnum].AMOUNT == xfer->mps) && (xfer->actual_len < xfer->total_len) )
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if ( (xact_len == xfer->mps) && (xfer->actual_len < xfer->total_len) )
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{
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// Allow Host -> Endpoint
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// HW issue on nrf5284 sample, SIZE.EPOUT won't trigger ACK as spec
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// use the back door interface as sdk for walk around
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if ( nrf_drv_usbd_errata_sizeepout_rw() )
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{
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*((volatile uint32_t *)(NRF_USBD_BASE + 0x800)) = 0x7C5 + 2*epnum;
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*((volatile uint32_t *)(NRF_USBD_BASE + 0x804)) = 0;
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(void) (((volatile uint32_t *)(NRF_USBD_BASE + 0x804)));
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}
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else
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{
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// Overwrite size will allow hw to accept data
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NRF_USBD->SIZE.EPOUT[epnum] = 0;
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__ISB(); __DSB();
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}
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// Prepare for more data from Host -> Endpoint
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normal_xact_start(epnum, TUSB_DIR_OUT);
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}else
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{
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xfer->total_len = xfer->actual_len;
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@ -535,9 +521,9 @@ void USBD_IRQHandler(void)
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if ( nrf_drv_usbd_errata_104() )
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{
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// Check all the queued IN transfer, retire all transfer if 10 frames has passed
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for (int i=0; i<7; i++)
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for (int ep=1; ep<= 8; ep++)
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{
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nom_xfer_t* xfer = &_dcd.xfer[i][TUSB_DIR_IN];
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nom_xfer_t* xfer = get_td(ep, TUSB_DIR_IN);
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if (xfer->actual_len < xfer->total_len)
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{
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@ -555,7 +541,7 @@ void USBD_IRQHandler(void)
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if (diff > 10)
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{
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xfer->actual_len = xfer->total_len;
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dcd_xfer_complete(0, (i+1) | TUSB_DIR_IN_MASK, xfer->actual_len, true);
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dcd_xfer_complete(0, ep | TUSB_DIR_IN_MASK, xfer->actual_len, true);
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}
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}
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}
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