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https://github.com/hathach/tinyusb.git
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TUD_EPBUF_TYPE_DEF usbtmc_device.c and vendor_device.c
This commit is contained in:
parent
1533e693ee
commit
8a5c118a66
@ -131,14 +131,6 @@ typedef struct
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uint8_t ep_int_in;
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uint32_t ep_bulk_in_wMaxPacketSize;
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uint32_t ep_bulk_out_wMaxPacketSize;
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// IN buffer is only used for first packet, not the remainder
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// in order to deal with prepending header
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CFG_TUSB_MEM_ALIGN uint8_t ep_bulk_in_buf[USBTMCD_BUFFER_SIZE];
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// OUT buffer receives one packet at a time
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CFG_TUSB_MEM_ALIGN uint8_t ep_bulk_out_buf[USBTMCD_BUFFER_SIZE];
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// Buffer int msg to ensure alignment and placement correctness
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CFG_TUSB_MEM_ALIGN uint8_t ep_int_in_buf[CFG_TUD_USBTMC_INT_EP_SIZE];
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uint32_t transfer_size_remaining; // also used for requested length for bulk IN.
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uint32_t transfer_size_sent; // To keep track of data bytes that have been queued in FIFO (not header bytes)
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@ -150,11 +142,23 @@ typedef struct
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usbtmc_capabilities_specific_t const * capabilities;
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} usbtmc_interface_state_t;
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CFG_TUD_MEM_SECTION tu_static usbtmc_interface_state_t usbtmc_state =
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{
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.itf_id = 0xFF,
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typedef struct {
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// IN buffer is only used for first packet, not the remainder in order to deal with prepending header
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TUD_EPBUF_DEF(epin, USBTMCD_BUFFER_SIZE);
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// OUT buffer receives one packet at a time
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TUD_EPBUF_DEF(epout, USBTMCD_BUFFER_SIZE);
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// Buffer int msg
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TUD_EPBUF_DEF(epnotif, CFG_TUD_USBTMC_INT_EP_SIZE);
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} usbtmc_epbuf_t;
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static usbtmc_interface_state_t usbtmc_state = {
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.itf_id = 0xFF,
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};
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CFG_TUD_MEM_SECTION static usbtmc_epbuf_t usbtmc_epbuf;
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// We need all headers to fit in a single packet in this implementation, 32 bytes will fit all standard USBTMC headers
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TU_VERIFY_STATIC(USBTMCD_BUFFER_SIZE >= 32u,"USBTMC dev buffer size too small");
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@ -205,7 +209,7 @@ bool tud_usbtmc_transmit_dev_msg_data(
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bool endOfMessage,
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bool usingTermChar)
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{
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const unsigned int txBufLen = sizeof(usbtmc_state.ep_bulk_in_buf);
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const unsigned int txBufLen = USBTMCD_BUFFER_SIZE;
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#ifndef NDEBUG
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TU_ASSERT(len > 0u);
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@ -220,7 +224,7 @@ bool tud_usbtmc_transmit_dev_msg_data(
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#endif
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TU_VERIFY(usbtmc_state.state == STATE_TX_REQUESTED);
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usbtmc_msg_dev_dep_msg_in_header_t *hdr = (usbtmc_msg_dev_dep_msg_in_header_t*)usbtmc_state.ep_bulk_in_buf;
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usbtmc_msg_dev_dep_msg_in_header_t *hdr = (usbtmc_msg_dev_dep_msg_in_header_t*)usbtmc_epbuf.epin;
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tu_varclr(hdr);
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hdr->header.MsgID = USBTMC_MSGID_DEV_DEP_MSG_IN;
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hdr->header.bTag = usbtmc_state.lastBulkInTag;
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@ -235,7 +239,7 @@ bool tud_usbtmc_transmit_dev_msg_data(
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len : (txBufLen - headerLen);
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const size_t packetLen = headerLen + dataLen;
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memcpy((uint8_t*)(usbtmc_state.ep_bulk_in_buf) + headerLen, data, dataLen);
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memcpy((uint8_t*)(usbtmc_epbuf.epin) + headerLen, data, dataLen);
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usbtmc_state.transfer_size_remaining = len - dataLen;
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usbtmc_state.transfer_size_sent = dataLen;
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usbtmc_state.devInBuffer = (uint8_t const*) data + (dataLen);
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@ -243,7 +247,7 @@ bool tud_usbtmc_transmit_dev_msg_data(
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bool stateChanged =
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atomicChangeState(STATE_TX_REQUESTED, (packetLen >= txBufLen) ? STATE_TX_INITIATED : STATE_TX_SHORTED);
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TU_VERIFY(stateChanged);
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TU_VERIFY(usbd_edpt_xfer(usbtmc_state.rhport, usbtmc_state.ep_bulk_in, usbtmc_state.ep_bulk_in_buf, (uint16_t)packetLen));
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TU_VERIFY(usbd_edpt_xfer(usbtmc_state.rhport, usbtmc_state.ep_bulk_in, usbtmc_epbuf.epin, (uint16_t)packetLen));
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return true;
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}
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@ -255,8 +259,8 @@ bool tud_usbtmc_transmit_notification_data(const void * data, size_t len)
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#endif
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TU_VERIFY(usbd_edpt_busy(usbtmc_state.rhport, usbtmc_state.ep_int_in));
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TU_VERIFY(tu_memcpy_s(usbtmc_state.ep_int_in_buf, sizeof(usbtmc_state.ep_int_in_buf), data, len) == 0);
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TU_VERIFY(usbd_edpt_xfer(usbtmc_state.rhport, usbtmc_state.ep_int_in, usbtmc_state.ep_int_in_buf, (uint16_t)len));
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TU_VERIFY(tu_memcpy_s(usbtmc_epbuf.epnotif, CFG_TUD_USBTMC_INT_EP_SIZE, data, len) == 0);
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TU_VERIFY(usbd_edpt_xfer(usbtmc_state.rhport, usbtmc_state.ep_int_in, usbtmc_epbuf.epnotif, (uint16_t)len));
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return true;
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}
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@ -396,7 +400,7 @@ bool tud_usbtmc_start_bus_read(void)
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default:
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return false;
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}
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TU_VERIFY(usbd_edpt_xfer(usbtmc_state.rhport, usbtmc_state.ep_bulk_out, usbtmc_state.ep_bulk_out_buf, (uint16_t)usbtmc_state.ep_bulk_out_wMaxPacketSize));
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TU_VERIFY(usbd_edpt_xfer(usbtmc_state.rhport, usbtmc_state.ep_bulk_out, usbtmc_epbuf.epout, (uint16_t)usbtmc_state.ep_bulk_out_wMaxPacketSize));
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return true;
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}
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@ -501,7 +505,7 @@ bool usbtmcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint
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case STATE_IDLE:
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{
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TU_VERIFY(xferred_bytes >= sizeof(usbtmc_msg_generic_t));
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msg = (usbtmc_msg_generic_t*)(usbtmc_state.ep_bulk_out_buf);
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msg = (usbtmc_msg_generic_t*)(usbtmc_epbuf.epout);
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uint8_t invInvTag = (uint8_t)~(msg->header.bTagInverse);
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TU_VERIFY(msg->header.bTag == invInvTag);
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TU_VERIFY(msg->header.bTag != 0x00);
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@ -536,7 +540,7 @@ bool usbtmcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint
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return true;
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}
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case STATE_RCV:
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if(!handle_devMsgOut(rhport, usbtmc_state.ep_bulk_out_buf, xferred_bytes, xferred_bytes))
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if(!handle_devMsgOut(rhport, usbtmc_epbuf.epout, xferred_bytes, xferred_bytes))
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{
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usbd_edpt_stall(rhport, usbtmc_state.ep_bulk_out);
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return false;
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@ -565,24 +569,23 @@ bool usbtmcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint
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break;
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case STATE_TX_INITIATED:
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if(usbtmc_state.transfer_size_remaining >= sizeof(usbtmc_state.ep_bulk_in_buf))
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if(usbtmc_state.transfer_size_remaining >= USBTMCD_BUFFER_SIZE)
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{
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// Copy buffer to ensure alignment correctness
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memcpy(usbtmc_state.ep_bulk_in_buf, usbtmc_state.devInBuffer, sizeof(usbtmc_state.ep_bulk_in_buf));
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TU_VERIFY( usbd_edpt_xfer(rhport, usbtmc_state.ep_bulk_in,
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usbtmc_state.ep_bulk_in_buf, sizeof(usbtmc_state.ep_bulk_in_buf)));
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usbtmc_state.devInBuffer += sizeof(usbtmc_state.ep_bulk_in_buf);
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usbtmc_state.transfer_size_remaining -= sizeof(usbtmc_state.ep_bulk_in_buf);
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usbtmc_state.transfer_size_sent += sizeof(usbtmc_state.ep_bulk_in_buf);
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memcpy(usbtmc_epbuf.epin, usbtmc_state.devInBuffer, USBTMCD_BUFFER_SIZE);
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TU_VERIFY(usbd_edpt_xfer(rhport, usbtmc_state.ep_bulk_in, usbtmc_epbuf.epin, USBTMCD_BUFFER_SIZE));
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usbtmc_state.devInBuffer += USBTMCD_BUFFER_SIZE;
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usbtmc_state.transfer_size_remaining -= USBTMCD_BUFFER_SIZE;
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usbtmc_state.transfer_size_sent += USBTMCD_BUFFER_SIZE;
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}
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else // last packet
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{
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size_t packetLen = usbtmc_state.transfer_size_remaining;
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memcpy(usbtmc_state.ep_bulk_in_buf, usbtmc_state.devInBuffer, usbtmc_state.transfer_size_remaining);
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memcpy(usbtmc_epbuf.epin, usbtmc_state.devInBuffer, usbtmc_state.transfer_size_remaining);
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usbtmc_state.transfer_size_sent += sizeof(usbtmc_state.transfer_size_remaining);
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usbtmc_state.transfer_size_remaining = 0;
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usbtmc_state.devInBuffer = NULL;
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TU_VERIFY( usbd_edpt_xfer(rhport, usbtmc_state.ep_bulk_in, usbtmc_state.ep_bulk_in_buf, (uint16_t)packetLen) );
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TU_VERIFY( usbd_edpt_xfer(rhport, usbtmc_state.ep_bulk_in, usbtmc_epbuf.epin, (uint16_t)packetLen) );
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if(((packetLen % usbtmc_state.ep_bulk_in_wMaxPacketSize) != 0) || (packetLen == 0 ))
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{
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usbtmc_state.state = STATE_TX_SHORTED;
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@ -592,7 +595,7 @@ bool usbtmcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint
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case STATE_ABORTING_BULK_IN:
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// need to send short packet (ZLP?)
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TU_VERIFY( usbd_edpt_xfer(rhport, usbtmc_state.ep_bulk_in, usbtmc_state.ep_bulk_in_buf,(uint16_t)0u));
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TU_VERIFY( usbd_edpt_xfer(rhport, usbtmc_state.ep_bulk_in, usbtmc_epbuf.epin,(uint16_t)0u));
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usbtmc_state.state = STATE_ABORTING_BULK_IN_SHORTED;
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return true;
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@ -744,7 +747,7 @@ bool usbtmcd_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_request
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if(usbtmc_state.transfer_size_sent == 0)
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{
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// Send short packet, nothing is in the buffer yet
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TU_VERIFY( usbd_edpt_xfer(rhport, usbtmc_state.ep_bulk_in, usbtmc_state.ep_bulk_in_buf,(uint16_t)0u));
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TU_VERIFY( usbd_edpt_xfer(rhport, usbtmc_state.ep_bulk_in, usbtmc_epbuf.epin,(uint16_t)0u));
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usbtmc_state.state = STATE_ABORTING_BULK_IN_SHORTED;
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}
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TU_VERIFY(tud_usbtmc_initiate_abort_bulk_in_cb(&(rsp.USBTMC_status)));
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64
src/class/vendor/vendor_device.c
vendored
64
src/class/vendor/vendor_device.c
vendored
@ -40,16 +40,12 @@ typedef struct {
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uint8_t itf_num;
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/*------------- From this point, data is not cleared by bus reset -------------*/
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// Endpoint Transfer buffer
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CFG_TUD_MEM_ALIGN uint8_t epout_buf[CFG_TUD_VENDOR_EPSIZE];
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CFG_TUD_MEM_ALIGN uint8_t epin_buf[CFG_TUD_VENDOR_EPSIZE];
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struct {
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tu_edpt_stream_t stream;
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#if CFG_TUD_VENDOR_TX_BUFSIZE > 0
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uint8_t ff_buf[CFG_TUD_VENDOR_TX_BUFSIZE];
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#endif
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}tx;
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} tx;
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struct {
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tu_edpt_stream_t stream;
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@ -60,10 +56,17 @@ typedef struct {
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} vendord_interface_t;
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CFG_TUD_MEM_SECTION static vendord_interface_t _vendord_itf[CFG_TUD_VENDOR];
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#define ITF_MEM_RESET_SIZE (offsetof(vendord_interface_t, itf_num) + sizeof(((vendord_interface_t *)0)->itf_num))
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static vendord_interface_t _vendord_itf[CFG_TUD_VENDOR];
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typedef struct {
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TUD_EPBUF_DEF(epout, CFG_TUD_VENDOR_EPSIZE);
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TUD_EPBUF_DEF(epin, CFG_TUD_VENDOR_EPSIZE);
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} vendord_epbuf_t;
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CFG_TUD_MEM_SECTION static vendord_epbuf_t _vendord_epbuf[CFG_TUD_VENDOR];
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//--------------------------------------------------------------------
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// Application API
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//--------------------------------------------------------------------
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@ -94,7 +97,7 @@ bool tud_vendor_n_peek(uint8_t itf, uint8_t* u8) {
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uint32_t tud_vendor_n_read (uint8_t itf, void* buffer, uint32_t bufsize) {
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TU_VERIFY(itf < CFG_TUD_VENDOR, 0);
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vendord_interface_t* p_itf = &_vendord_itf[itf];
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uint8_t const rhport = 0;
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const uint8_t rhport = 0;
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return tu_edpt_stream_read(rhport, &p_itf->rx.stream, buffer, bufsize);
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}
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@ -102,7 +105,7 @@ uint32_t tud_vendor_n_read (uint8_t itf, void* buffer, uint32_t bufsize) {
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void tud_vendor_n_read_flush (uint8_t itf) {
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TU_VERIFY(itf < CFG_TUD_VENDOR, );
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vendord_interface_t* p_itf = &_vendord_itf[itf];
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uint8_t const rhport = 0;
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const uint8_t rhport = 0;
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tu_edpt_stream_clear(&p_itf->rx.stream);
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tu_edpt_stream_read_xfer(rhport, &p_itf->rx.stream);
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@ -111,10 +114,10 @@ void tud_vendor_n_read_flush (uint8_t itf) {
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//--------------------------------------------------------------------+
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// Write API
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//--------------------------------------------------------------------+
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uint32_t tud_vendor_n_write (uint8_t itf, void const* buffer, uint32_t bufsize) {
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uint32_t tud_vendor_n_write (uint8_t itf, const void* buffer, uint32_t bufsize) {
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TU_VERIFY(itf < CFG_TUD_VENDOR, 0);
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vendord_interface_t* p_itf = &_vendord_itf[itf];
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uint8_t const rhport = 0;
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const uint8_t rhport = 0;
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return tu_edpt_stream_write(rhport, &p_itf->tx.stream, buffer, (uint16_t) bufsize);
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}
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@ -122,7 +125,7 @@ uint32_t tud_vendor_n_write (uint8_t itf, void const* buffer, uint32_t bufsize)
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uint32_t tud_vendor_n_write_flush (uint8_t itf) {
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TU_VERIFY(itf < CFG_TUD_VENDOR, 0);
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vendord_interface_t* p_itf = &_vendord_itf[itf];
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uint8_t const rhport = 0;
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const uint8_t rhport = 0;
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return tu_edpt_stream_write_xfer(rhport, &p_itf->tx.stream);
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}
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@ -130,7 +133,7 @@ uint32_t tud_vendor_n_write_flush (uint8_t itf) {
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uint32_t tud_vendor_n_write_available (uint8_t itf) {
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TU_VERIFY(itf < CFG_TUD_VENDOR, 0);
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vendord_interface_t* p_itf = &_vendord_itf[itf];
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uint8_t const rhport = 0;
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const uint8_t rhport = 0;
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return tu_edpt_stream_write_available(rhport, &p_itf->tx.stream);
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}
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@ -143,6 +146,7 @@ void vendord_init(void) {
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for(uint8_t i=0; i<CFG_TUD_VENDOR; i++) {
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vendord_interface_t* p_itf = &_vendord_itf[i];
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vendord_epbuf_t* p_epbuf = &_vendord_epbuf[i];
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uint8_t* rx_ff_buf =
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#if CFG_TUD_VENDOR_RX_BUFSIZE > 0
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@ -153,7 +157,7 @@ void vendord_init(void) {
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tu_edpt_stream_init(&p_itf->rx.stream, false, false, false,
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rx_ff_buf, CFG_TUD_VENDOR_RX_BUFSIZE,
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p_itf->epout_buf, CFG_TUD_VENDOR_EPSIZE);
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p_epbuf->epout, CFG_TUD_VENDOR_EPSIZE);
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uint8_t* tx_ff_buf =
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#if CFG_TUD_VENDOR_TX_BUFSIZE > 0
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@ -164,7 +168,7 @@ void vendord_init(void) {
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tu_edpt_stream_init(&p_itf->tx.stream, false, true, false,
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tx_ff_buf, CFG_TUD_VENDOR_TX_BUFSIZE,
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p_itf->epin_buf, CFG_TUD_VENDOR_EPSIZE);
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p_epbuf->epin, CFG_TUD_VENDOR_EPSIZE);
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}
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}
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@ -190,7 +194,7 @@ void vendord_reset(uint8_t rhport) {
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}
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}
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uint16_t vendord_open(uint8_t rhport, tusb_desc_interface_t const * desc_itf, uint16_t max_len) {
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uint16_t vendord_open(uint8_t rhport, const tusb_desc_interface_t* desc_itf, uint16_t max_len) {
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TU_VERIFY(TUSB_CLASS_VENDOR_SPECIFIC == desc_itf->bInterfaceClass, 0);
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const uint8_t* p_desc = tu_desc_next(desc_itf);
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const uint8_t* desc_end = p_desc + max_len;
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@ -237,25 +241,29 @@ uint16_t vendord_open(uint8_t rhport, tusb_desc_interface_t const * desc_itf, ui
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bool vendord_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes) {
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(void) result;
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uint8_t itf = 0;
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vendord_interface_t* p_itf = _vendord_itf;
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uint8_t itf;
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vendord_interface_t* p_vendor;
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for ( ; ; itf++, p_itf++) {
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if (itf >= CFG_TUD_VENDOR) return false;
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if ((ep_addr == p_itf->rx.stream.ep_addr) || (ep_addr == p_itf->tx.stream.ep_addr)) break;
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for (itf = 0; itf < CFG_TUD_VENDOR; itf++) {
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p_vendor = &_vendord_itf[itf];
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if ((ep_addr == p_vendor->rx.stream.ep_addr) || (ep_addr == p_vendor->tx.stream.ep_addr)) {
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break;
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}
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}
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TU_VERIFY(itf < CFG_TUD_VENDOR);
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vendord_epbuf_t* p_epbuf = &_vendord_epbuf[itf];
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if ( ep_addr == p_itf->rx.stream.ep_addr ) {
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if ( ep_addr == p_vendor->rx.stream.ep_addr ) {
|
||||
// Received new data: put into stream's fifo
|
||||
tu_edpt_stream_read_xfer_complete(&p_itf->rx.stream, xferred_bytes);
|
||||
tu_edpt_stream_read_xfer_complete(&p_vendor->rx.stream, xferred_bytes);
|
||||
|
||||
// Invoked callback if any
|
||||
if (tud_vendor_rx_cb) {
|
||||
tud_vendor_rx_cb(itf, p_itf->epout_buf, (uint16_t) xferred_bytes);
|
||||
tud_vendor_rx_cb(itf, p_epbuf->epout, (uint16_t) xferred_bytes);
|
||||
}
|
||||
|
||||
tu_edpt_stream_read_xfer(rhport, &p_itf->rx.stream);
|
||||
} else if ( ep_addr == p_itf->tx.stream.ep_addr ) {
|
||||
tu_edpt_stream_read_xfer(rhport, &p_vendor->rx.stream);
|
||||
} else if ( ep_addr == p_vendor->tx.stream.ep_addr ) {
|
||||
// Send complete
|
||||
if (tud_vendor_tx_cb) {
|
||||
tud_vendor_tx_cb(itf, (uint16_t) xferred_bytes);
|
||||
@ -263,9 +271,9 @@ bool vendord_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint
|
||||
|
||||
#if CFG_TUD_VENDOR_TX_BUFSIZE > 0
|
||||
// try to send more if possible
|
||||
if ( 0 == tu_edpt_stream_write_xfer(rhport, &p_itf->tx.stream) ) {
|
||||
if ( 0 == tu_edpt_stream_write_xfer(rhport, &p_vendor->tx.stream) ) {
|
||||
// If there is no data left, a ZLP should be sent if xferred_bytes is multiple of EP Packet size and not zero
|
||||
tu_edpt_stream_write_zlp_if_needed(rhport, &p_itf->tx.stream, xferred_bytes);
|
||||
tu_edpt_stream_write_zlp_if_needed(rhport, &p_vendor->tx.stream, xferred_bytes);
|
||||
}
|
||||
#endif
|
||||
}
|
||||
|
Loading…
x
Reference in New Issue
Block a user