eddy/stm32samples
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Seems like all U[S]ARTs works well. Tested on speeds up to 2Mbaud (as CH340 can).

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This commit is contained in:
Edward Emelianov
2026-02-17 23:37:17 +03:00
parent fb570367fa
commit 68028f42a3
13 changed files with 104 additions and 64 deletions
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20
F3:F303/InterfaceBoard/usb_dev.c
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@@ -184,14 +184,11 @@ void usb_class_request(config_pack_t *req, uint8_t *data, uint16_t datalen){
case REQ_RECIPIENT_INTERFACE:
switch(req->bRequest){
case SET_LINE_CODING:
//DBG("SLC");
if(!data || !datalen) break; // wait for data
//DBG("test");
if(datalen == sizeof(usb_LineCoding))
linecoding_handler(ifno, (usb_LineCoding*)data);
break;
case GET_LINE_CODING:
DBG("GLC");
EP_WriteIRQ(0, (uint8_t*)&lineCoding[ifno], sizeof(lineCoding));
break;
case SET_CONTROL_LINE_STATE:
@@ -226,17 +223,26 @@ int USB_sendall(uint8_t ifno){
return TRUE;
}
// return amount of free space in buffer
int USB_sendbufspace(uint8_t ifno){
if(!CDCready[ifno]) return 0;
return rbout[ifno].length - RB_datalen((ringbuffer*)&rbout[ifno]);
}
// put `buf` into queue to send
int USB_send(uint8_t ifno, const uint8_t *buf, int len){
if(!buf || !CDCready[ifno] || !len) return FALSE;
if(ifno != ICFG) DBG("USB_send");
if(!buf || !CDCready[ifno] || !len){
return FALSE;
}
uint32_t T0 = Tms;
while(len){
if(Tms - T0 > DISCONN_TMOUT){
//break_handler(ifno);
return FALSE;
}
if(!CDCready[ifno]) return FALSE;
if(!CDCready[ifno]){
return FALSE;
}
IWDG->KR = IWDG_REFRESH;
int l = RB_datalen((ringbuffer*)&rbout[ifno]);
if(l < 0) continue;
@@ -255,7 +261,6 @@ int USB_send(uint8_t ifno, const uint8_t *buf, int len){
}
}
if(buf[len-1] == '\n' && lastdsz[ifno] < 0){
if(ifno != ICFG) DBG("send_next");
send_next(ifno);
}
return TRUE;
@@ -279,7 +284,6 @@ int USB_putbyte(uint8_t ifno, uint8_t byte){
}
// send line if got EOL
if(byte == '\n' && lastdsz[ifno] < 0){
if(ifno != ICFG) DBG("send_next");
send_next(ifno);
}
return TRUE;