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updated with uart branch, Rx brk for ESP8266

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This commit is contained in:
proddy
2020-09-12 16:46:44 +02:00
parent eb896ab948
commit 94673d61d6
1 changed files with 11 additions and 4 deletions
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13
src/uart/emsuart_esp8266.cpp
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@@ -46,21 +46,25 @@ void ICACHE_RAM_ATTR EMSuart::emsuart_rx_intr_handler(void * para) {
if (USIS(EMSUART_UART) & ((1 << UIBD))) { // BREAK detection = End of EMS data block
USC0(EMSUART_UART) &= ~(1 << UCBRK); // reset tx-brk
if (emsTxBufIdx < emsTxBufLen) { // irq tx_mode is interrupted by <brk>
emsTxBufIdx = emsTxBufLen + 1; // stop tx
// drop_next_rx = true; // we have trash in buffer
if (sending_) { // irq tx_mode is interrupted by <brk>, should never happen
drop_next_rx = true; // we have trash in buffer
}
USIC(EMSUART_UART) = (1 << UIBD); // INT clear the BREAK detect interrupt
length = 0;
while ((USS(EMSUART_UART) >> USRXC) & 0x0FF) { // read fifo into buffer
uint8_t rx = USF(EMSUART_UART);
if (length < EMS_MAXBUFFERSIZE) {
if (length || rx) { // skip a leading zero
uart_buffer[length++] = rx;
}
} else {
drop_next_rx = true;
}
}
if (!drop_next_rx) {
if (uart_buffer[length - 1]) { // check if last byte is break
length++;
}
pEMSRxBuf->length = length;
os_memcpy((void *)pEMSRxBuf->buffer, (void *)&uart_buffer, pEMSRxBuf->length); // copy data into transfer buffer, including the BRK 0x00 at the end
system_os_post(EMSUART_recvTaskPrio, 0, 0); // call emsuart_recvTask() at next opportunity
@@ -89,6 +93,9 @@ void ICACHE_FLASH_ATTR EMSuart::emsuart_recvTask(os_event_t * events) {
// ISR to Fire when Timer is triggered
void ICACHE_RAM_ATTR EMSuart::emsuart_tx_timer_intr_handler() {
if (!sending_) {
return;
}
emsTxBufIdx++;
if (emsTxBufIdx < emsTxBufLen) {
USF(EMSUART_UART) = emsTxBuf[emsTxBufIdx];