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OK; next stage: a pair of NTC, BME280, sensors' power management

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This commit is contained in:
Edward Emelianov
2025-09-29 22:12:31 +03:00
parent b082f4ea46
commit 83b9fd552b
15 changed files with 198 additions and 159 deletions
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9
F3:F303/MLX90640-allsky/usart.c
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@@ -85,11 +85,12 @@ static int transmit_tbuf(){
}
// return 0 if can't write to ringbuffer
int usart_putchar(const char ch){
int r = RB_write(&dmarb, (uint8_t*)&ch, 1);
int usart_putbyte(uint8_t ch){
int r = RB_write(&dmarb, &ch, 1);
if(r != 1){
if(transmit_tbuf()) r = RB_write(&dmarb, (uint8_t*)&ch, 1);
if(transmit_tbuf()) r = RB_write(&dmarb, &ch, 1);
}
if(r < 0) r = 0;
return r;
}
@@ -163,7 +164,7 @@ void usart1_exti25_isr(){
USART1->ICR = USART_ICR_CMCF; // clear character match flag
register int l = UARTBUFSZI - DMA1_Channel5->CNDTR - 1; // substitute '\n' with '\0', omit empty strings!
if(l > 0){
if(recvdata){ // user didn't read old data - mark as buffer overflow
if(recvdatalen){ // user didn't read old data - mark as buffer overflow
bufovr = 1;
}
recvdata = rbuf[rbufno];