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Commit66c8c0a

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catbraincellfpistm
authored andcommitted
chore(usb): cdc_queue now use uint32_t length
which allows CDC_TRANSMIT_QUEUE_BUFFER_PACKET_NUMBER>512 orCDC_RECEIVE_QUEUE_BUFFER_PACKET_NUMBER>512.Signed-off-by: warmonkey <luoshumymail@gmail.com>
1 parent021d321 commit66c8c0a

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4 files changed

+55
-49
lines changed

4 files changed

+55
-49
lines changed

‎libraries/USBDevice/inc/cdc_queue.h‎

Lines changed: 16 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -53,45 +53,49 @@ extern "C" {
5353
#else
5454
#defineCDC_QUEUE_MAX_PACKET_SIZE USB_FS_MAX_PACKET_SIZE
5555
#endif
56+
57+
#defineCDC_TRANSMIT_MAX_BUFFER_SIZE 65472 //STM32 USB OTG DIEPTSIZ PKTCNT maximum 0x3ff
58+
#defineCDC_RECEIVE_MAX_BUFFER_SIZE CDC_QUEUE_MAX_PACKET_SIZE
59+
5660
#ifndefCDC_TRANSMIT_QUEUE_BUFFER_PACKET_NUMBER
5761
#defineCDC_TRANSMIT_QUEUE_BUFFER_PACKET_NUMBER 2
5862
#endif
5963
#ifndefCDC_RECEIVE_QUEUE_BUFFER_PACKET_NUMBER
6064
#defineCDC_RECEIVE_QUEUE_BUFFER_PACKET_NUMBER 3
6165
#endif
62-
#defineCDC_TRANSMIT_QUEUE_BUFFER_SIZE ((uint16_t)(CDC_QUEUE_MAX_PACKET_SIZE * CDC_TRANSMIT_QUEUE_BUFFER_PACKET_NUMBER))
63-
#defineCDC_RECEIVE_QUEUE_BUFFER_SIZE((uint16_t)(CDC_QUEUE_MAX_PACKET_SIZE * CDC_RECEIVE_QUEUE_BUFFER_PACKET_NUMBER))
66+
#defineCDC_TRANSMIT_QUEUE_BUFFER_SIZE (CDC_QUEUE_MAX_PACKET_SIZE * CDC_TRANSMIT_QUEUE_BUFFER_PACKET_NUMBER)
67+
#defineCDC_RECEIVE_QUEUE_BUFFER_SIZE (CDC_QUEUE_MAX_PACKET_SIZE * CDC_RECEIVE_QUEUE_BUFFER_PACKET_NUMBER)
6468

6569
typedefstruct {
6670
uint8_tbuffer[CDC_TRANSMIT_QUEUE_BUFFER_SIZE];
67-
volatileuint16_twrite;
68-
volatileuint16_tread;
69-
volatileuint16_treserved;
71+
volatileuint32_twrite;
72+
volatileuint32_tread;
73+
volatileuint32_treserved;
7074
}CDC_TransmitQueue_TypeDef;
7175

7276
typedefstruct {
7377
uint8_tbuffer[CDC_RECEIVE_QUEUE_BUFFER_SIZE];
74-
volatileuint16_twrite;
75-
volatileuint16_tread;
76-
volatileuint16_tlength;
78+
volatileuint32_twrite;
79+
volatileuint32_tread;
80+
volatileuint32_tlength;
7781
}CDC_ReceiveQueue_TypeDef;
7882

7983
voidCDC_TransmitQueue_Init(CDC_TransmitQueue_TypeDef*queue);
8084
intCDC_TransmitQueue_WriteSize(CDC_TransmitQueue_TypeDef*queue);
8185
intCDC_TransmitQueue_ReadSize(CDC_TransmitQueue_TypeDef*queue);
8286
voidCDC_TransmitQueue_Enqueue(CDC_TransmitQueue_TypeDef*queue,constuint8_t*buffer,uint32_tsize);
83-
uint8_t*CDC_TransmitQueue_ReadBlock(CDC_TransmitQueue_TypeDef*queue,uint16_t*size);
87+
uint8_t*CDC_TransmitQueue_ReadBlock(CDC_TransmitQueue_TypeDef*queue,uint32_t*size);
8488
voidCDC_TransmitQueue_CommitRead(CDC_TransmitQueue_TypeDef*queue);
8589

8690
voidCDC_ReceiveQueue_Init(CDC_ReceiveQueue_TypeDef*queue);
8791
intCDC_ReceiveQueue_ReadSize(CDC_ReceiveQueue_TypeDef*queue);
8892
intCDC_ReceiveQueue_Dequeue(CDC_ReceiveQueue_TypeDef*queue);
8993
intCDC_ReceiveQueue_Peek(CDC_ReceiveQueue_TypeDef*queue);
90-
uint16_tCDC_ReceiveQueue_Read(CDC_ReceiveQueue_TypeDef*queue,uint8_t*buffer,uint16_tsize);
94+
uint32_tCDC_ReceiveQueue_Read(CDC_ReceiveQueue_TypeDef*queue,uint8_t*buffer,uint32_tsize);
9195
boolCDC_ReceiveQueue_ReadUntil(CDC_ReceiveQueue_TypeDef*queue,uint8_tterminator,uint8_t*buffer,
92-
uint16_tsize,uint16_t*fetched);
96+
uint32_tsize,uint32_t*fetched);
9397
uint8_t*CDC_ReceiveQueue_ReserveBlock(CDC_ReceiveQueue_TypeDef*queue);
94-
voidCDC_ReceiveQueue_CommitBlock(CDC_ReceiveQueue_TypeDef*queue,uint16_tsize);
98+
voidCDC_ReceiveQueue_CommitBlock(CDC_ReceiveQueue_TypeDef*queue,uint32_tsize);
9599

96100
#ifdef__cplusplus
97101
}

‎libraries/USBDevice/src/USBSerial.cpp‎

Lines changed: 4 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -107,8 +107,8 @@ int USBSerial::read(void)
107107

108108
size_tUSBSerial::readBytes(char *buffer,size_t length)
109109
{
110-
uint16_t read;
111-
auto rest =static_cast<uint16_t>(length);
110+
size_t read;
111+
size_t rest = length;
112112
_startMillis =millis();
113113
do {
114114
read =CDC_ReceiveQueue_Read(&ReceiveQueue,reinterpret_cast<uint8_t *>(buffer), rest);
@@ -124,8 +124,8 @@ size_t USBSerial::readBytes(char *buffer, size_t length)
124124

125125
size_tUSBSerial::readBytesUntil(char terminator,char *buffer,size_t length)
126126
{
127-
uint16_t read;
128-
auto rest =static_cast<uint16_t>(length);
127+
uint32_t read;
128+
size_t rest = length;
129129
_startMillis =millis();
130130
do {
131131
bool found =CDC_ReceiveQueue_ReadUntil(&ReceiveQueue,static_cast<uint8_t>(terminator),

‎libraries/USBDevice/src/cdc/cdc_queue.c‎

Lines changed: 33 additions & 31 deletions
Original file line numberDiff line numberDiff line change
@@ -67,32 +67,34 @@ void CDC_TransmitQueue_Enqueue(CDC_TransmitQueue_TypeDef *queue,
6767
{
6868
uint32_tsizeToEnd=CDC_TRANSMIT_QUEUE_BUFFER_SIZE-queue->write;
6969
if (sizeToEnd>size) {
70-
memcpy(&queue->buffer[queue->write],&buffer[0],size);
70+
memcpy(queue->buffer+queue->write,buffer,size);
7171
}else {
72-
memcpy(&queue->buffer[queue->write],&buffer[0],sizeToEnd);
73-
memcpy(&queue->buffer[0],&buffer[sizeToEnd],size-sizeToEnd);
72+
memcpy(queue->buffer+queue->write,buffer,sizeToEnd);
73+
memcpy(queue->buffer,buffer+sizeToEnd,size-sizeToEnd);
7474
}
75-
queue->write= (uint16_t)((queue->write+size) %
76-
CDC_TRANSMIT_QUEUE_BUFFER_SIZE);
75+
queue->write= (queue->write+size) %CDC_TRANSMIT_QUEUE_BUFFER_SIZE;
7776
}
7877

7978
// Read flat block from queue biggest as possible, but max QUEUE_MAX_PACKET_SIZE
8079
uint8_t*CDC_TransmitQueue_ReadBlock(CDC_TransmitQueue_TypeDef*queue,
81-
uint16_t*size)
80+
uint32_t*size)
8281
{
8382
if (queue->write >=queue->read) {
8483
*size=queue->write-queue->read;
8584
}else {
8685
*size=CDC_TRANSMIT_QUEUE_BUFFER_SIZE-queue->read;
8786
}
87+
if (*size>CDC_TRANSMIT_MAX_BUFFER_SIZE) {
88+
*size=CDC_TRANSMIT_MAX_BUFFER_SIZE;
89+
}
90+
8891
queue->reserved=*size;
8992
return&queue->buffer[queue->read];
9093
}
9194

9295
voidCDC_TransmitQueue_CommitRead(CDC_TransmitQueue_TypeDef*queue)
9396
{
94-
queue->read= (queue->read+queue->reserved) %
95-
CDC_TRANSMIT_QUEUE_BUFFER_SIZE;
97+
queue->read= (queue->read+queue->reserved) %CDC_TRANSMIT_QUEUE_BUFFER_SIZE;
9698
}
9799

98100
// Initialize read and write position of queue.
@@ -106,23 +108,23 @@ void CDC_ReceiveQueue_Init(CDC_ReceiveQueue_TypeDef *queue)
106108
// Reserve block in queue and return pointer to it.
107109
uint8_t*CDC_ReceiveQueue_ReserveBlock(CDC_ReceiveQueue_TypeDef*queue)
108110
{
109-
constuint16_tlimit=
110-
CDC_RECEIVE_QUEUE_BUFFER_SIZE-CDC_QUEUE_MAX_PACKET_SIZE;
111-
volatileuint16_tread=queue->read;
111+
constuint32_tlimit=
112+
CDC_RECEIVE_QUEUE_BUFFER_SIZE-CDC_RECEIVE_MAX_BUFFER_SIZE;
113+
volatileuint32_tread=queue->read;
112114

113115
if (read <=queue->write) {
114116
// if write is limited only by buffer size.
115117
if (queue->write<limit|| (queue->write==limit&&read>0)) {
116118
// if size in the rest of buffer is enough for full packet plus 1 byte
117119
// or if it tight enough and write position can be set to 0
118120
returnqueue->buffer+queue->write;
119-
}elseif (read>CDC_QUEUE_MAX_PACKET_SIZE) {
121+
}elseif (read>CDC_RECEIVE_MAX_BUFFER_SIZE) {
120122
// if size in the rest is not enough, but enough size in head
121123
queue->length=queue->write;
122124
queue->write=0;
123125
returnqueue->buffer+queue->write;
124126
}
125-
}elseif (queue->write+CDC_QUEUE_MAX_PACKET_SIZE<read) {
127+
}elseif (queue->write+CDC_RECEIVE_MAX_BUFFER_SIZE<read) {
126128
// write position must be less than read position
127129
// after reading largest possible packet
128130
returnqueue->buffer+queue->write;
@@ -132,7 +134,7 @@ uint8_t *CDC_ReceiveQueue_ReserveBlock(CDC_ReceiveQueue_TypeDef *queue)
132134

133135
// Commits block in queue and make it available for reading
134136
voidCDC_ReceiveQueue_CommitBlock(CDC_ReceiveQueue_TypeDef*queue,
135-
uint16_tsize)
137+
uint32_tsize)
136138
{
137139
queue->write+=size;
138140
if (queue->write >=queue->length) {
@@ -148,8 +150,8 @@ int CDC_ReceiveQueue_ReadSize(CDC_ReceiveQueue_TypeDef *queue)
148150
{
149151
// reading length after write make guarantee, that length >= write
150152
// and determined reading size will be smaller or equal than real one.
151-
volatileuint16_twrite=queue->write;
152-
volatileuint16_tlength=queue->length;
153+
volatileuint32_twrite=queue->write;
154+
volatileuint32_tlength=queue->length;
153155
if (write >=queue->read) {
154156
returnwrite-queue->read;
155157
}
@@ -159,8 +161,8 @@ int CDC_ReceiveQueue_ReadSize(CDC_ReceiveQueue_TypeDef *queue)
159161
// Read one byte from queue.
160162
intCDC_ReceiveQueue_Dequeue(CDC_ReceiveQueue_TypeDef*queue)
161163
{
162-
volatileuint16_twrite=queue->write;
163-
volatileuint16_tlength=queue->length;
164+
volatileuint32_twrite=queue->write;
165+
volatileuint32_tlength=queue->length;
164166
if (queue->read==length) {
165167
queue->read=0;
166168
}
@@ -177,8 +179,8 @@ int CDC_ReceiveQueue_Dequeue(CDC_ReceiveQueue_TypeDef *queue)
177179
// Peek byte from queue.
178180
intCDC_ReceiveQueue_Peek(CDC_ReceiveQueue_TypeDef*queue)
179181
{
180-
volatileuint16_twrite=queue->write;
181-
volatileuint16_tlength=queue->length;
182+
volatileuint32_twrite=queue->write;
183+
volatileuint32_tlength=queue->length;
182184
if (queue->read >=length) {
183185
queue->read=0;
184186
}
@@ -188,12 +190,12 @@ int CDC_ReceiveQueue_Peek(CDC_ReceiveQueue_TypeDef *queue)
188190
returnqueue->buffer[queue->read];
189191
}
190192

191-
uint16_tCDC_ReceiveQueue_Read(CDC_ReceiveQueue_TypeDef*queue,
192-
uint8_t*buffer,uint16_tsize)
193+
uint32_tCDC_ReceiveQueue_Read(CDC_ReceiveQueue_TypeDef*queue,
194+
uint8_t*buffer,uint32_tsize)
193195
{
194-
volatileuint16_twrite=queue->write;
195-
volatileuint16_tlength=queue->length;
196-
uint16_tavailable;
196+
volatileuint32_twrite=queue->write;
197+
volatileuint32_tlength=queue->length;
198+
uint32_tavailable;
197199

198200
if (queue->read >=length) {
199201
queue->read=0;
@@ -216,11 +218,11 @@ uint16_t CDC_ReceiveQueue_Read(CDC_ReceiveQueue_TypeDef *queue,
216218
}
217219

218220
boolCDC_ReceiveQueue_ReadUntil(CDC_ReceiveQueue_TypeDef*queue,
219-
uint8_tterminator,uint8_t*buffer,uint16_tsize,uint16_t*fetched)
221+
uint8_tterminator,uint8_t*buffer,uint32_tsize,uint32_t*fetched)
220222
{
221-
volatileuint16_twrite=queue->write;
222-
volatileuint16_tlength=queue->length;
223-
uint16_tavailable;
223+
volatileuint32_twrite=queue->write;
224+
volatileuint32_tlength=queue->length;
225+
uint32_tavailable;
224226

225227
if (queue->read >=length) {
226228
queue->read=0;
@@ -235,10 +237,10 @@ bool CDC_ReceiveQueue_ReadUntil(CDC_ReceiveQueue_TypeDef *queue,
235237
}
236238

237239
uint8_t*start=&queue->buffer[queue->read];
238-
for (uint16_ti=0;i<size;i++) {
240+
for (uint32_ti=0;i<size;i++) {
239241
uint8_tch=start[i];
240242
if (ch==terminator) {
241-
queue->read+= (uint16_t)(i+1);
243+
queue->read+= (uint32_t)(i+1);
242244
if (queue->read >=length) {
243245
queue->read=0;
244246
}

‎libraries/USBDevice/src/cdc/usbd_cdc_if.c‎

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -238,7 +238,7 @@ static int8_t USBD_CDC_Receive(uint8_t *Buf, uint32_t *Len)
238238
UNUSED(Buf);
239239
#endif
240240
/* It always contains required amount of free space for writing */
241-
CDC_ReceiveQueue_CommitBlock(&ReceiveQueue,(uint16_t)(*Len));
241+
CDC_ReceiveQueue_CommitBlock(&ReceiveQueue,*Len);
242242
receivePended= false;
243243
/* If enough space in the queue for a full buffer then continue receive */
244244
if (!CDC_resume_receive()) {
@@ -330,7 +330,7 @@ bool CDC_connected()
330330

331331
voidCDC_continue_transmit(void)
332332
{
333-
uint16_tsize;
333+
uint32_tsize;
334334
uint8_t*buffer;
335335
USBD_CDC_HandleTypeDef*hcdc= (USBD_CDC_HandleTypeDef*)hUSBD_Device_CDC.pClassData;
336336
/*

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