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change F303's Makefile to version control; fixed bugs in F303 usb ringbuffer, add two buffers like in F0x2

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This commit is contained in:
Edward Emelianov
2023-01-18 21:03:56 +03:00
parent 5230ad14e3
commit 7f9057b65c
22 changed files with 544 additions and 174 deletions
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52
F3:F303/PL2303/main.c
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@@ -21,7 +21,7 @@
#include "usart.h"
#include "usb.h"
#define USBBUFSZ 127
#define MAXSTRLEN RBINSZ
const char *test = "123456789A123456789B123456789C123456789D123456789E123456789F123456789G123456789H123456789I123456789J123456789K123456789L123456789M123456789N123456789O123456789P123456789Q123456789R123456789S123456789T123456789U123456789V123456789W123456789X123456789Y\n"
"123456789A123456789B123456789C123456789D123456789E123456789F123456789G123456789H123456789I123456789J123456789K123456789L123456789M123456789N123456789O123456789P123456789Q123456789R123456789S123456789T123456789U123456789V123456789W123456789X123456789Y\n";
@@ -32,28 +32,8 @@ void sys_tick_handler(void){
++Tms;
}
// usb getline
char *get_USB(){
static char tmpbuf[USBBUFSZ+1], *curptr = tmpbuf;
static int rest = USBBUFSZ;
uint8_t x = USB_receive(curptr);
if(!x) return NULL;
curptr[x] = 0;
if(curptr[x-1] == '\n'){
curptr = tmpbuf;
rest = USBBUFSZ;
return tmpbuf;
}
curptr += x; rest -= x;
if(rest <= 0){ // buffer overflow
curptr = tmpbuf;
rest = USBBUFSZ;
USB_send("USB buffer overflow\n");
}
return NULL;
}
int main(void){
char inbuff[MAXSTRLEN+1];
int hse = 0;
if(StartHSE()){
hse = 1;
@@ -85,20 +65,24 @@ int main(void){
const char *ans = parse_cmd(txt);
if(ans) usart_send(ans);
}
usb_proc();
if((txt = get_USB())){
usart_send("Get by USB: ");
usart_send(txt); usart_putchar('\n');
const char *ans = parse_cmd(txt);
if(ans) USB_send(ans);
}
if(Tlast){
usart_send("Tlast="); usart_send(u2str(Tlast)); usart_putchar('\n');
Tlast = 0;
USB_proc();
int l = USB_receivestr(inbuff, MAXSTRLEN);
if(l < 0) USB_sendstr("ERROR: USB buffer overflow or string was too long\n");
else if(l){
usart_send("Get by USB ");
usart_send(u2str(l)); usart_send(" bytes:");
usart_send(inbuff); usart_putchar('\n');
const char *ans = parse_cmd(inbuff);
if(ans) USB_sendstr(ans);
}
if(starttest){
--starttest;
USB_send(test);
USB_sendstr(test);
if(0 == --starttest){
#define SENDBOTH(x) do{char *_ = x; usart_send(_); USB_sendstr(_);}while(0)
SENDBOTH("ENDT=");
SENDBOTH(u2str(Tms));
usart_putchar('\n'); USB_putbyte('\n');
}
}
}
}