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TUD_EPBUF_TYPE_DEF usbtmc_device.c and vendor_device.c

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hathach 2024-11-22 16:09:14 +07:00
parent 1533e693ee
commit 8a5c118a66
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2 changed files with 70 additions and 59 deletions
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65
src/class/usbtmc/usbtmc_device.c
View File

@ -131,14 +131,6 @@ typedef struct
uint8_t ep_int_in;
uint32_t ep_bulk_in_wMaxPacketSize;
uint32_t ep_bulk_out_wMaxPacketSize;
// IN buffer is only used for first packet, not the remainder
// in order to deal with prepending header
CFG_TUSB_MEM_ALIGN uint8_t ep_bulk_in_buf[USBTMCD_BUFFER_SIZE];
// OUT buffer receives one packet at a time
CFG_TUSB_MEM_ALIGN uint8_t ep_bulk_out_buf[USBTMCD_BUFFER_SIZE];
// Buffer int msg to ensure alignment and placement correctness
CFG_TUSB_MEM_ALIGN uint8_t ep_int_in_buf[CFG_TUD_USBTMC_INT_EP_SIZE];
uint32_t transfer_size_remaining; // also used for requested length for bulk IN.
uint32_t transfer_size_sent; // To keep track of data bytes that have been queued in FIFO (not header bytes)
@ -150,11 +142,23 @@ typedef struct
usbtmc_capabilities_specific_t const * capabilities;
} usbtmc_interface_state_t;
CFG_TUD_MEM_SECTION tu_static usbtmc_interface_state_t usbtmc_state =
{
.itf_id = 0xFF,
typedef struct {
// IN buffer is only used for first packet, not the remainder in order to deal with prepending header
TUD_EPBUF_DEF(epin, USBTMCD_BUFFER_SIZE);
// OUT buffer receives one packet at a time
TUD_EPBUF_DEF(epout, USBTMCD_BUFFER_SIZE);
// Buffer int msg
TUD_EPBUF_DEF(epnotif, CFG_TUD_USBTMC_INT_EP_SIZE);
} usbtmc_epbuf_t;
static usbtmc_interface_state_t usbtmc_state = {
.itf_id = 0xFF,
};
CFG_TUD_MEM_SECTION static usbtmc_epbuf_t usbtmc_epbuf;
// We need all headers to fit in a single packet in this implementation, 32 bytes will fit all standard USBTMC headers
TU_VERIFY_STATIC(USBTMCD_BUFFER_SIZE >= 32u,"USBTMC dev buffer size too small");
@ -205,7 +209,7 @@ bool tud_usbtmc_transmit_dev_msg_data(
bool endOfMessage,
bool usingTermChar)
{
const unsigned int txBufLen = sizeof(usbtmc_state.ep_bulk_in_buf);
const unsigned int txBufLen = USBTMCD_BUFFER_SIZE;
#ifndef NDEBUG
TU_ASSERT(len > 0u);
@ -220,7 +224,7 @@ bool tud_usbtmc_transmit_dev_msg_data(
#endif
TU_VERIFY(usbtmc_state.state == STATE_TX_REQUESTED);
usbtmc_msg_dev_dep_msg_in_header_t *hdr = (usbtmc_msg_dev_dep_msg_in_header_t*)usbtmc_state.ep_bulk_in_buf;
usbtmc_msg_dev_dep_msg_in_header_t *hdr = (usbtmc_msg_dev_dep_msg_in_header_t*)usbtmc_epbuf.epin;
tu_varclr(hdr);
hdr->header.MsgID = USBTMC_MSGID_DEV_DEP_MSG_IN;
hdr->header.bTag = usbtmc_state.lastBulkInTag;
@ -235,7 +239,7 @@ bool tud_usbtmc_transmit_dev_msg_data(
len : (txBufLen - headerLen);
const size_t packetLen = headerLen + dataLen;
memcpy((uint8_t*)(usbtmc_state.ep_bulk_in_buf) + headerLen, data, dataLen);
memcpy((uint8_t*)(usbtmc_epbuf.epin) + headerLen, data, dataLen);
usbtmc_state.transfer_size_remaining = len - dataLen;
usbtmc_state.transfer_size_sent = dataLen;
usbtmc_state.devInBuffer = (uint8_t const*) data + (dataLen);
@ -243,7 +247,7 @@ bool tud_usbtmc_transmit_dev_msg_data(
bool stateChanged =
atomicChangeState(STATE_TX_REQUESTED, (packetLen >= txBufLen) ? STATE_TX_INITIATED : STATE_TX_SHORTED);
TU_VERIFY(stateChanged);
TU_VERIFY(usbd_edpt_xfer(usbtmc_state.rhport, usbtmc_state.ep_bulk_in, usbtmc_state.ep_bulk_in_buf, (uint16_t)packetLen));
TU_VERIFY(usbd_edpt_xfer(usbtmc_state.rhport, usbtmc_state.ep_bulk_in, usbtmc_epbuf.epin, (uint16_t)packetLen));
return true;
}
@ -255,8 +259,8 @@ bool tud_usbtmc_transmit_notification_data(const void * data, size_t len)
#endif
TU_VERIFY(usbd_edpt_busy(usbtmc_state.rhport, usbtmc_state.ep_int_in));
TU_VERIFY(tu_memcpy_s(usbtmc_state.ep_int_in_buf, sizeof(usbtmc_state.ep_int_in_buf), data, len) == 0);
TU_VERIFY(usbd_edpt_xfer(usbtmc_state.rhport, usbtmc_state.ep_int_in, usbtmc_state.ep_int_in_buf, (uint16_t)len));
TU_VERIFY(tu_memcpy_s(usbtmc_epbuf.epnotif, CFG_TUD_USBTMC_INT_EP_SIZE, data, len) == 0);
TU_VERIFY(usbd_edpt_xfer(usbtmc_state.rhport, usbtmc_state.ep_int_in, usbtmc_epbuf.epnotif, (uint16_t)len));
return true;
}
@ -396,7 +400,7 @@ bool tud_usbtmc_start_bus_read(void)
default:
return false;
}
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));
TU_VERIFY(usbd_edpt_xfer(usbtmc_state.rhport, usbtmc_state.ep_bulk_out, usbtmc_epbuf.epout, (uint16_t)usbtmc_state.ep_bulk_out_wMaxPacketSize));
return true;
}
@ -501,7 +505,7 @@ bool usbtmcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint
case STATE_IDLE:
{
TU_VERIFY(xferred_bytes >= sizeof(usbtmc_msg_generic_t));
msg = (usbtmc_msg_generic_t*)(usbtmc_state.ep_bulk_out_buf);
msg = (usbtmc_msg_generic_t*)(usbtmc_epbuf.epout);
uint8_t invInvTag = (uint8_t)~(msg->header.bTagInverse);
TU_VERIFY(msg->header.bTag == invInvTag);
TU_VERIFY(msg->header.bTag != 0x00);
@ -536,7 +540,7 @@ bool usbtmcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint
return true;
}
case STATE_RCV:
if(!handle_devMsgOut(rhport, usbtmc_state.ep_bulk_out_buf, xferred_bytes, xferred_bytes))
if(!handle_devMsgOut(rhport, usbtmc_epbuf.epout, xferred_bytes, xferred_bytes))
{
usbd_edpt_stall(rhport, usbtmc_state.ep_bulk_out);
return false;
@ -565,24 +569,23 @@ bool usbtmcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint
break;
case STATE_TX_INITIATED:
if(usbtmc_state.transfer_size_remaining >= sizeof(usbtmc_state.ep_bulk_in_buf))
if(usbtmc_state.transfer_size_remaining >= USBTMCD_BUFFER_SIZE)
{
// Copy buffer to ensure alignment correctness
memcpy(usbtmc_state.ep_bulk_in_buf, usbtmc_state.devInBuffer, sizeof(usbtmc_state.ep_bulk_in_buf));
TU_VERIFY( usbd_edpt_xfer(rhport, usbtmc_state.ep_bulk_in,
usbtmc_state.ep_bulk_in_buf, sizeof(usbtmc_state.ep_bulk_in_buf)));
usbtmc_state.devInBuffer += sizeof(usbtmc_state.ep_bulk_in_buf);
usbtmc_state.transfer_size_remaining -= sizeof(usbtmc_state.ep_bulk_in_buf);
usbtmc_state.transfer_size_sent += sizeof(usbtmc_state.ep_bulk_in_buf);
memcpy(usbtmc_epbuf.epin, usbtmc_state.devInBuffer, USBTMCD_BUFFER_SIZE);
TU_VERIFY(usbd_edpt_xfer(rhport, usbtmc_state.ep_bulk_in, usbtmc_epbuf.epin, USBTMCD_BUFFER_SIZE));
usbtmc_state.devInBuffer += USBTMCD_BUFFER_SIZE;
usbtmc_state.transfer_size_remaining -= USBTMCD_BUFFER_SIZE;
usbtmc_state.transfer_size_sent += USBTMCD_BUFFER_SIZE;
}
else // last packet
{
size_t packetLen = usbtmc_state.transfer_size_remaining;
memcpy(usbtmc_state.ep_bulk_in_buf, usbtmc_state.devInBuffer, usbtmc_state.transfer_size_remaining);
memcpy(usbtmc_epbuf.epin, usbtmc_state.devInBuffer, usbtmc_state.transfer_size_remaining);
usbtmc_state.transfer_size_sent += sizeof(usbtmc_state.transfer_size_remaining);
usbtmc_state.transfer_size_remaining = 0;
usbtmc_state.devInBuffer = NULL;
TU_VERIFY( usbd_edpt_xfer(rhport, usbtmc_state.ep_bulk_in, usbtmc_state.ep_bulk_in_buf, (uint16_t)packetLen) );
TU_VERIFY( usbd_edpt_xfer(rhport, usbtmc_state.ep_bulk_in, usbtmc_epbuf.epin, (uint16_t)packetLen) );
if(((packetLen % usbtmc_state.ep_bulk_in_wMaxPacketSize) != 0) || (packetLen == 0 ))
{
usbtmc_state.state = STATE_TX_SHORTED;
@ -592,7 +595,7 @@ bool usbtmcd_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint
case STATE_ABORTING_BULK_IN:
// need to send short packet (ZLP?)
TU_VERIFY( usbd_edpt_xfer(rhport, usbtmc_state.ep_bulk_in, usbtmc_state.ep_bulk_in_buf,(uint16_t)0u));
TU_VERIFY( usbd_edpt_xfer(rhport, usbtmc_state.ep_bulk_in, usbtmc_epbuf.epin,(uint16_t)0u));
usbtmc_state.state = STATE_ABORTING_BULK_IN_SHORTED;
return true;
@ -744,7 +747,7 @@ bool usbtmcd_control_xfer_cb(uint8_t rhport, uint8_t stage, tusb_control_request
if(usbtmc_state.transfer_size_sent == 0)
{
// Send short packet, nothing is in the buffer yet
TU_VERIFY( usbd_edpt_xfer(rhport, usbtmc_state.ep_bulk_in, usbtmc_state.ep_bulk_in_buf,(uint16_t)0u));
TU_VERIFY( usbd_edpt_xfer(rhport, usbtmc_state.ep_bulk_in, usbtmc_epbuf.epin,(uint16_t)0u));
usbtmc_state.state = STATE_ABORTING_BULK_IN_SHORTED;
}
TU_VERIFY(tud_usbtmc_initiate_abort_bulk_in_cb(&(rsp.USBTMC_status)));

64
src/class/vendor/vendor_device.c vendored
View File

@ -40,16 +40,12 @@ typedef struct {
uint8_t itf_num;
/*------------- From this point, data is not cleared by bus reset -------------*/
// Endpoint Transfer buffer
CFG_TUD_MEM_ALIGN uint8_t epout_buf[CFG_TUD_VENDOR_EPSIZE];
CFG_TUD_MEM_ALIGN uint8_t epin_buf[CFG_TUD_VENDOR_EPSIZE];
struct {
tu_edpt_stream_t stream;
#if CFG_TUD_VENDOR_TX_BUFSIZE > 0
uint8_t ff_buf[CFG_TUD_VENDOR_TX_BUFSIZE];
#endif
}tx;
} tx;
struct {
tu_edpt_stream_t stream;
@ -60,10 +56,17 @@ typedef struct {
} vendord_interface_t;
CFG_TUD_MEM_SECTION static vendord_interface_t _vendord_itf[CFG_TUD_VENDOR];
#define ITF_MEM_RESET_SIZE (offsetof(vendord_interface_t, itf_num) + sizeof(((vendord_interface_t *)0)->itf_num))
static vendord_interface_t _vendord_itf[CFG_TUD_VENDOR];
typedef struct {
TUD_EPBUF_DEF(epout, CFG_TUD_VENDOR_EPSIZE);
TUD_EPBUF_DEF(epin, CFG_TUD_VENDOR_EPSIZE);
} vendord_epbuf_t;
CFG_TUD_MEM_SECTION static vendord_epbuf_t _vendord_epbuf[CFG_TUD_VENDOR];
//--------------------------------------------------------------------
// Application API
//--------------------------------------------------------------------
@ -94,7 +97,7 @@ bool tud_vendor_n_peek(uint8_t itf, uint8_t* u8) {
uint32_t tud_vendor_n_read (uint8_t itf, void* buffer, uint32_t bufsize) {
TU_VERIFY(itf < CFG_TUD_VENDOR, 0);
vendord_interface_t* p_itf = &_vendord_itf[itf];
uint8_t const rhport = 0;
const uint8_t rhport = 0;
return tu_edpt_stream_read(rhport, &p_itf->rx.stream, buffer, bufsize);
}
@ -102,7 +105,7 @@ uint32_t tud_vendor_n_read (uint8_t itf, void* buffer, uint32_t bufsize) {
void tud_vendor_n_read_flush (uint8_t itf) {
TU_VERIFY(itf < CFG_TUD_VENDOR, );
vendord_interface_t* p_itf = &_vendord_itf[itf];
uint8_t const rhport = 0;
const uint8_t rhport = 0;
tu_edpt_stream_clear(&p_itf->rx.stream);
tu_edpt_stream_read_xfer(rhport, &p_itf->rx.stream);
@ -111,10 +114,10 @@ void tud_vendor_n_read_flush (uint8_t itf) {
//--------------------------------------------------------------------+
// Write API
//--------------------------------------------------------------------+
uint32_t tud_vendor_n_write (uint8_t itf, void const* buffer, uint32_t bufsize) {
uint32_t tud_vendor_n_write (uint8_t itf, const void* buffer, uint32_t bufsize) {
TU_VERIFY(itf < CFG_TUD_VENDOR, 0);
vendord_interface_t* p_itf = &_vendord_itf[itf];
uint8_t const rhport = 0;
const uint8_t rhport = 0;
return tu_edpt_stream_write(rhport, &p_itf->tx.stream, buffer, (uint16_t) bufsize);
}
@ -122,7 +125,7 @@ uint32_t tud_vendor_n_write (uint8_t itf, void const* buffer, uint32_t bufsize)
uint32_t tud_vendor_n_write_flush (uint8_t itf) {
TU_VERIFY(itf < CFG_TUD_VENDOR, 0);
vendord_interface_t* p_itf = &_vendord_itf[itf];
uint8_t const rhport = 0;
const uint8_t rhport = 0;
return tu_edpt_stream_write_xfer(rhport, &p_itf->tx.stream);
}
@ -130,7 +133,7 @@ uint32_t tud_vendor_n_write_flush (uint8_t itf) {
uint32_t tud_vendor_n_write_available (uint8_t itf) {
TU_VERIFY(itf < CFG_TUD_VENDOR, 0);
vendord_interface_t* p_itf = &_vendord_itf[itf];
uint8_t const rhport = 0;
const uint8_t rhport = 0;
return tu_edpt_stream_write_available(rhport, &p_itf->tx.stream);
}
@ -143,6 +146,7 @@ void vendord_init(void) {
for(uint8_t i=0; i<CFG_TUD_VENDOR; i++) {
vendord_interface_t* p_itf = &_vendord_itf[i];
vendord_epbuf_t* p_epbuf = &_vendord_epbuf[i];
uint8_t* rx_ff_buf =
#if CFG_TUD_VENDOR_RX_BUFSIZE > 0
@ -153,7 +157,7 @@ void vendord_init(void) {
tu_edpt_stream_init(&p_itf->rx.stream, false, false, false,
rx_ff_buf, CFG_TUD_VENDOR_RX_BUFSIZE,
p_itf->epout_buf, CFG_TUD_VENDOR_EPSIZE);
p_epbuf->epout, CFG_TUD_VENDOR_EPSIZE);
uint8_t* tx_ff_buf =
#if CFG_TUD_VENDOR_TX_BUFSIZE > 0
@ -164,7 +168,7 @@ void vendord_init(void) {
tu_edpt_stream_init(&p_itf->tx.stream, false, true, false,
tx_ff_buf, CFG_TUD_VENDOR_TX_BUFSIZE,
p_itf->epin_buf, CFG_TUD_VENDOR_EPSIZE);
p_epbuf->epin, CFG_TUD_VENDOR_EPSIZE);
}
}
@ -190,7 +194,7 @@ void vendord_reset(uint8_t rhport) {
}
}
uint16_t vendord_open(uint8_t rhport, tusb_desc_interface_t const * desc_itf, uint16_t max_len) {
uint16_t vendord_open(uint8_t rhport, const tusb_desc_interface_t* desc_itf, uint16_t max_len) {
TU_VERIFY(TUSB_CLASS_VENDOR_SPECIFIC == desc_itf->bInterfaceClass, 0);
const uint8_t* p_desc = tu_desc_next(desc_itf);
const uint8_t* desc_end = p_desc + max_len;
@ -237,25 +241,29 @@ uint16_t vendord_open(uint8_t rhport, tusb_desc_interface_t const * desc_itf, ui
bool vendord_xfer_cb(uint8_t rhport, uint8_t ep_addr, xfer_result_t result, uint32_t xferred_bytes) {
(void) result;
uint8_t itf = 0;
vendord_interface_t* p_itf = _vendord_itf;
uint8_t itf;
vendord_interface_t* p_vendor;
for ( ; ; itf++, p_itf++) {
if (itf >= CFG_TUD_VENDOR) return false;
if ((ep_addr == p_itf->rx.stream.ep_addr) || (ep_addr == p_itf->tx.stream.ep_addr)) break;
for (itf = 0; itf < CFG_TUD_VENDOR; itf++) {
p_vendor = &_vendord_itf[itf];
if ((ep_addr == p_vendor->rx.stream.ep_addr) || (ep_addr == p_vendor->tx.stream.ep_addr)) {
break;
}
}
TU_VERIFY(itf < CFG_TUD_VENDOR);
vendord_epbuf_t* p_epbuf = &_vendord_epbuf[itf];
if ( ep_addr == p_itf->rx.stream.ep_addr ) {
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
}