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fixed some problems with USART

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This commit is contained in:
Edward Emelianov
2023-09-11 22:09:22 +03:00
parent a1861bb86d
commit e959c7dfe2
11 changed files with 81 additions and 76 deletions
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18
F0:F030,F042,F072/TSYS_controller/usb.c
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@@ -33,6 +33,7 @@ static uint8_t incoming_data[IDATASZ];
static uint8_t ovfl = 0;
static uint16_t idatalen = 0;
static int8_t usbON = 0; // ==1 when USB fully configured
volatile int8_t usbConn = 0; // ==1 when connected
static volatile uint8_t tx_succesfull = 0;
// interrupt IN handler (never used?)
@@ -111,6 +112,7 @@ void usb_proc(){
}
void USB_send(const char *buf){
if(!usbConn) return;
uint16_t l = 0, ctr = 0;
const char *p = buf;
while(*p++) ++l;
@@ -143,22 +145,10 @@ int USB_receive(char *buf, int bufsize){
}
}
if(i == idatalen || stlen == 0) return 0;
/*
char x[] = "USB got x:\n";
x[8] = '0' + stlen;
usart_send_blck(x);
usart_send_blck((char*)incoming_data);
usart_send_blck("\n");
*/
USB->CNTR = 0;
int sz = (stlen > bufsize) ? bufsize : stlen, rest = idatalen - sz;
memcpy(buf, incoming_data, sz);
buf[sz] = 0;
/*
usart_send_blck("buf:\n");
usart_send_blck((char*)buf);
usart_send_blck("\n");
*/
if(rest > 0){
memmove(incoming_data, &incoming_data[sz], rest);
idatalen = rest;
@@ -177,7 +167,7 @@ int USB_receive(char *buf, int bufsize){
/**
* @brief USB_configured
* @return 1 if USB is in configured state
*/
*
int USB_configured(){
return usbON;
}
}*/