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This commit is contained in:
proddy
2020-06-19 20:40:13 +02:00
parent 05161e7a39
commit d42ba886a2
1 changed files with 18 additions and 14 deletions
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32
src/uart/emsuart_esp32.cpp
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@@ -67,16 +67,16 @@ void IRAM_ATTR EMSuart::emsuart_rx_intr_handler(void * para) {
if (emsTxBufIdx < emsTxBufLen) {
EMS_UART.conf1.rxfifo_full_thrhd = emsTxBufIdx + 1;
EMS_UART.fifo.rw_byte = emsTxBuf[emsTxBufIdx];
} else if (emsTxBufIdx == emsTxBufLen) {
} else if (emsTxBufIdx == emsTxBufLen) {
EMS_UART.conf0.txd_brk = 1; // <brk> after send
EMS_UART.int_ena.rxfifo_full = 0;
EMS_UART.conf1.rxfifo_full_thrhd = 0x7F;
}
}
if (EMS_UART.int_st.brk_det) {
EMS_UART.int_clr.brk_det = 1; // clear flag
EMS_UART.int_clr.brk_det = 1; // clear flag
if (emsTxBufIdx < emsTxBufLen) { // timer tx_mode is interrupted by <brk>
emsTxBufIdx = emsTxBufLen; // stop timer mode
emsTxBufIdx = emsTxBufLen; // stop timer mode
drop_next_rx = true; // we have trash in buffer
}
length = 0;
@@ -96,6 +96,7 @@ void IRAM_ATTR EMSuart::emsuart_rx_intr_handler(void * para) {
}
}
void IRAM_ATTR EMSuart::emsuart_tx_timer_intr_handler() {
if (emsTxBufIdx > EMS_MAXBUFFERSIZE) {
return;
@@ -107,7 +108,7 @@ void IRAM_ATTR EMSuart::emsuart_tx_timer_intr_handler() {
EMS_UART.fifo.rw_byte = emsTxBuf[emsTxBufIdx];
timerAlarmWrite(timer, emsTxWait, false);
timerAlarmEnable(timer);
} else if (emsTxBufIdx == emsTxBufLen) {
} else if (emsTxBufIdx == emsTxBufLen) {
EMS_UART.conf0.txd_brk = 1; // <brk> after send
}
}
@@ -116,9 +117,6 @@ void IRAM_ATTR EMSuart::emsuart_tx_timer_intr_handler() {
* init UART driver
*/
void EMSuart::start(uint8_t tx_mode) {
return;
emsTxWait = EMSUART_TX_BIT_TIME * (tx_mode + 10);
if (tx_mode_ != 0xFF) { // uart already initialized
tx_mode_ = tx_mode;
@@ -148,8 +146,8 @@ void EMSuart::start(uint8_t tx_mode) {
emsTxBufIdx = 0;
emsTxBufLen = 0;
timer = timerBegin(1, 80, true); // timer prescale to 1 µs, countup
timerAttachInterrupt(timer, &emsuart_tx_timer_intr_handler, true); // Timer with edge interrupt
timer = timerBegin(1, 80, true); // timer prescale to 1 µs, countup
timerAttachInterrupt(timer, &emsuart_tx_timer_intr_handler, true); // Timer with edge interrupt
}
/*
@@ -157,7 +155,7 @@ void EMSuart::start(uint8_t tx_mode) {
*/
void EMSuart::stop() {
EMS_UART.int_ena.val = 0; // disable all intr.
// timerAlarmDisable(timer);
// timerAlarmDisable(timer);
};
/*
@@ -194,13 +192,13 @@ void EMSuart::send_poll(uint8_t data) {
EMS_UART.fifo.rw_byte = data;
EMS_UART.conf0.txd_brk = 1; // <brk> after send
} else if (tx_mode_ == EMS_TXMODE_HT3) {
EMS_UART.fifo.rw_byte = data;
EMS_UART.fifo.rw_byte = data;
delayMicroseconds(EMSUART_TX_WAIT_HT3);
EMS_UART.conf0.txd_brk = 1; // <brk>
// delayMicroseconds(EMSUART_TX_WAIT_BRK);
// EMS_UART.conf0.txd_brk = 0;
} else if (tx_mode_ == EMS_TXMODE_EMSPLUS) {
EMS_UART.fifo.rw_byte = data;
EMS_UART.fifo.rw_byte = data;
delayMicroseconds(EMSUART_TX_WAIT_PLUS);
EMS_UART.conf0.txd_brk = 1; // <brk>
// delayMicroseconds(EMSUART_TX_WAIT_BRK);
@@ -225,6 +223,7 @@ uint16_t EMSuart::transmit(uint8_t * buf, uint8_t len) {
if (len == 0 || len >= EMS_MAXBUFFERSIZE) {
return EMS_TX_STATUS_ERR;
}
// if (tx_mode_ >= 6 || tx_mode_ < 4) { // timer controlled modes, also modes 1, 2, 3 because delays not working
if (tx_mode_ >= 5) { // timer controlled modes
for (uint8_t i = 0; i < len; i++) {
@@ -237,6 +236,7 @@ uint16_t EMSuart::transmit(uint8_t * buf, uint8_t len) {
timerAlarmEnable(timer);
return EMS_TX_STATUS_OK;
}
if (tx_mode_ == 5) {
for (uint8_t i = 0; i < len; i++) {
emsTxBuf[i] = buf[i];
@@ -248,6 +248,7 @@ uint16_t EMSuart::transmit(uint8_t * buf, uint8_t len) {
EMS_UART.int_ena.rxfifo_full = 1;
return EMS_TX_STATUS_OK;
}
if (tx_mode_ == EMS_TXMODE_NEW) { // hardware controlled modes
for (uint8_t i = 0; i < len; i++) {
EMS_UART.fifo.rw_byte = buf[i];
@@ -255,6 +256,7 @@ uint16_t EMSuart::transmit(uint8_t * buf, uint8_t len) {
EMS_UART.conf0.txd_brk = 1; // <brk> after send
return EMS_TX_STATUS_OK;
}
if (tx_mode_ == EMS_TXMODE_EMSPLUS) { // EMS+ with long delay
for (uint8_t i = 0; i < len; i++) {
EMS_UART.fifo.rw_byte = buf[i];
@@ -265,6 +267,7 @@ uint16_t EMSuart::transmit(uint8_t * buf, uint8_t len) {
// EMS_UART.conf0.txd_brk = 0;
return EMS_TX_STATUS_OK;
}
if (tx_mode_ == EMS_TXMODE_HT3) { // HT3 with 7 bittimes delay
for (uint8_t i = 0; i < len; i++) {
EMS_UART.fifo.rw_byte = buf[i];
@@ -275,7 +278,8 @@ uint16_t EMSuart::transmit(uint8_t * buf, uint8_t len) {
// EMS_UART.conf0.txd_brk = 0;
return EMS_TX_STATUS_OK;
}
// mode 1
// mode 1
// flush fifos -- not supported in ESP32 uart #2!
// EMS_UART.conf0.rxfifo_rst = 1;
// EMS_UART.conf0.txfifo_rst = 1;
@@ -295,4 +299,4 @@ uint16_t EMSuart::transmit(uint8_t * buf, uint8_t len) {
} // namespace emsesp
#endif
#endif