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remove tx-modes 5-255

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This commit is contained in:
MichaelDvP
2021-03-06 18:14:23 +01:00
parent 5b7a2eb33d
commit 6c07085d94
3 changed files with 51 additions and 98 deletions
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121
src/uart/emsuart_esp32.cpp
View File

@@ -28,15 +28,10 @@
namespace emsesp {
static RingbufHandle_t buf_handle = NULL;
portMUX_TYPE mux = portMUX_INITIALIZER_UNLOCKED;
static hw_timer_t * timer = NULL;
bool drop_next_rx = true;
uint8_t tx_mode_ = 0xFF;
uint8_t emsTxBuf[EMS_MAXBUFFERSIZE];
uint8_t emsTxBufIdx = 0;
uint8_t emsTxBufLen = 0;
uint32_t emsTxWait;
RingbufHandle_t buf_handle_ = NULL;
portMUX_TYPE mux_ = portMUX_INITIALIZER_UNLOCKED;
bool drop_next_rx_ = true;
uint8_t tx_mode_ = 0xFF;
/*
* Task to handle the incoming data
@@ -44,11 +39,11 @@ uint32_t emsTxWait;
void EMSuart::emsuart_recvTask(void * para) {
while (1) {
size_t item_size;
uint8_t * telegram = (uint8_t *)xRingbufferReceive(buf_handle, &item_size, portMAX_DELAY);
uint8_t * telegram = (uint8_t *)xRingbufferReceive(buf_handle_, &item_size, portMAX_DELAY);
uint8_t telegramSize = item_size;
if (telegram) {
EMSESP::incoming_telegram(telegram, telegramSize);
vRingbufferReturnItem(buf_handle, (void *)telegram);
vRingbufferReturnItem(buf_handle_, (void *)telegram);
}
}
}
@@ -57,7 +52,7 @@ void EMSuart::emsuart_recvTask(void * para) {
* UART interrupt, on break read the fifo and put the whole telegram to ringbuffer
*/
void IRAM_ATTR EMSuart::emsuart_rx_intr_handler(void * para) {
portENTER_CRITICAL(&mux);
portENTER_CRITICAL(&mux_);
if (EMS_UART.int_st.brk_det) {
EMS_UART.int_clr.brk_det = 1; // clear flag
uint8_t rxbuf[EMS_MAXBUFFERSIZE];
@@ -65,40 +60,23 @@ void IRAM_ATTR EMSuart::emsuart_rx_intr_handler(void * para) {
while (EMS_UART.status.rxfifo_cnt) {
uint8_t rx = EMS_UART.fifo.rw_byte; // read all bytes from fifo
if (length < EMS_MAXBUFFERSIZE) {
rxbuf[length++] = rx;
if (length || rx) { // skip leading zero
rxbuf[length++] = rx;
}
} else {
drop_next_rx = true; // we have a overflow
drop_next_rx_ = true; // we have a overflow
}
}
if ((!drop_next_rx) && ((length == 2) || (length > 4))) {
if (rxbuf[length - 1]) { // check if last byte is break
length++;
}
if ((!drop_next_rx_) && ((length == 2) || (length > 4))) {
int baseType = 0;
xRingbufferSendFromISR(buf_handle, rxbuf, length - 1, &baseType);
xRingbufferSendFromISR(buf_handle_, rxbuf, length - 1, &baseType);
}
drop_next_rx = false;
drop_next_rx_ = false;
}
portEXIT_CRITICAL(&mux);
}
void IRAM_ATTR EMSuart::emsuart_tx_timer_intr_handler() {
if (emsTxBufLen == 0) {
return;
}
portENTER_CRITICAL(&mux);
if (emsTxBufIdx < emsTxBufLen) {
EMS_UART.fifo.rw_byte = emsTxBuf[emsTxBufIdx];
if (emsTxBufIdx == 1) {
timerAlarmWrite(timer, emsTxWait, true);
}
} else if (emsTxBufIdx == emsTxBufLen) {
EMS_UART.conf0.txd_inv = 1;
timerAlarmWrite(timer, EMSUART_TX_BRK_TIMER, true);
} else if (emsTxBufIdx == emsTxBufLen + 1) {
EMS_UART.conf0.txd_inv = 0;
emsTxBufLen = 0;
timerAlarmDisable(timer);
}
emsTxBufIdx++;
portEXIT_CRITICAL(&mux);
portEXIT_CRITICAL(&mux_);
}
/*
@@ -111,7 +89,7 @@ void EMSuart::start(const uint8_t tx_mode, const uint8_t rx_gpio, const uint8_t
return;
}
tx_mode_ = tx_mode;
portENTER_CRITICAL(&mux_);
uart_config_t uart_config = {
.baud_rate = EMSUART_BAUD,
.data_bits = UART_DATA_8_BITS,
@@ -125,14 +103,17 @@ void EMSuart::start(const uint8_t tx_mode, const uint8_t rx_gpio, const uint8_t
EMS_UART.int_ena.val = 0; // disable all intr.
EMS_UART.int_clr.val = 0xFFFFFFFF; // clear all intr. flags
EMS_UART.idle_conf.tx_brk_num = 10; // breaklength 10 bit
EMS_UART.idle_conf.rx_idle_thrhd = 256;
drop_next_rx = true;
buf_handle = xRingbufferCreate(128, RINGBUF_TYPE_NOSPLIT);
drop_next_rx_ = true;
// EMS_UART.idle_conf.rx_idle_thrhd = 256;
// EMS_UART.auto_baud.glitch_filt = 192;
#if (EMSUART_UART != UART_NUM_2)
EMS_UART.conf0.rxfifo_rst = 1; // flush fifos, remove for UART2
EMS_UART.conf0.txfifo_rst = 1;
#endif
buf_handle_ = xRingbufferCreate(128, RINGBUF_TYPE_NOSPLIT);
uart_isr_register(EMSUART_UART, emsuart_rx_intr_handler, NULL, ESP_INTR_FLAG_IRAM, NULL);
xTaskCreate(emsuart_recvTask, "emsuart_recvTask", 2048, NULL, configMAX_PRIORITIES - 1, NULL);
timer = timerBegin(0, 80, true); // timer prescale to 1 us, countup
timerAttachInterrupt(timer, &emsuart_tx_timer_intr_handler, true); // Timer with edge interrupt
xTaskCreate(emsuart_recvTask, "emsuart_recvTask", 2048, NULL, configMAX_PRIORITIES - 3, NULL);
portEXIT_CRITICAL(&mux_);
restart();
}
@@ -140,34 +121,24 @@ void EMSuart::start(const uint8_t tx_mode, const uint8_t rx_gpio, const uint8_t
* Stop, disable interrupt
*/
void EMSuart::stop() {
EMS_UART.int_ena.val = 0; // disable all intr.
EMS_UART.conf0.txd_inv = 0; // stop break
if (emsTxBufLen > 0) {
timerAlarmDisable(timer);
}
portENTER_CRITICAL(&mux_);
EMS_UART.int_ena.val = 0; // disable all intr.
portEXIT_CRITICAL(&mux_);
};
/*
* Restart uart and make mode dependent configs.
*/
void EMSuart::restart() {
portENTER_CRITICAL(&mux_);
if (EMS_UART.int_raw.brk_det) { // we received a break in the meantime
EMS_UART.int_clr.brk_det = 1; // clear flag
drop_next_rx = true; // and drop first frame
drop_next_rx_ = true; // and drop first frame
}
EMS_UART.int_ena.brk_det = 1; // activate only break
emsTxBufIdx = 0;
emsTxBufLen = 0;
if (tx_mode_ > 100) {
emsTxWait = EMSUART_TX_BIT_TIME * (tx_mode_ - 90);
} else {
emsTxWait = EMSUART_TX_BIT_TIME * (tx_mode_ + 10);
}
if (tx_mode_ == EMS_TXMODE_NEW) {
EMS_UART.conf0.txd_brk = 1;
} else {
EMS_UART.conf0.txd_brk = 0;
}
EMS_UART.conf0.txd_brk = (tx_mode_ == EMS_TXMODE_HW) ? 1 : 0;
portEXIT_CRITICAL(&mux_);
}
/*
@@ -186,26 +157,12 @@ uint16_t EMSuart::transmit(const uint8_t * buf, const uint8_t len) {
if (len == 0 || len >= EMS_MAXBUFFERSIZE) {
return EMS_TX_STATUS_ERR;
}
if (tx_mode_ == 0) {
return EMS_TX_STATUS_OK;
}
if (tx_mode_ > 5) { // timer controlled modes
for (uint8_t i = 0; i < len; i++) {
emsTxBuf[i] = buf[i];
}
emsTxBufIdx = 0;
emsTxBufLen = len;
if (tx_mode_ > 100 && len > 1) {
timerAlarmWrite(timer, EMSUART_TX_WAIT_REPLY, true);
} else {
timerAlarmWrite(timer, emsTxWait, true); // start with autoreload
}
timerAlarmEnable(timer);
return EMS_TX_STATUS_OK;
}
if (tx_mode_ == EMS_TXMODE_NEW) { // hardware controlled modes
if (tx_mode_ == EMS_TXMODE_HW) { // hardware controlled mode
for (uint8_t i = 0; i < len; i++) {
EMS_UART.fifo.rw_byte = buf[i];
}

9
src/uart/emsuart_esp32.h
View File

@@ -43,15 +43,11 @@
#define EMS_TXMODE_DEFAULT 1
#define EMS_TXMODE_EMSPLUS 2
#define EMS_TXMODE_HT3 3
#define EMS_TXMODE_NEW 4 // for michael's testing
#define EMS_TXMODE_HW 4
// LEGACY
#define EMSUART_TX_BIT_TIME 104 // bit time @9600 baud
// Timer controlled modes
#define EMSUART_TX_BRK_TIMER (EMSUART_TX_BIT_TIME * 10 + 28) // 10.25 bit times
#define EMSUART_TX_WAIT_REPLY 100000 // delay 100ms after first byte
// EMS 1.0
#define EMSUART_TX_BUSY_WAIT (EMSUART_TX_BIT_TIME / 8) // 13
#define EMSUART_TX_TIMEOUT (20 * EMSUART_TX_BIT_TIME / EMSUART_TX_BUSY_WAIT)
@@ -79,13 +75,12 @@ class EMSuart {
static void start(const uint8_t tx_mode, const uint8_t rx_gpio, const uint8_t tx_gpio);
static void send_poll(const uint8_t data);
static void stop();
static void restart();
static uint16_t transmit(const uint8_t * buf, const uint8_t len);
private:
static void emsuart_recvTask(void * para);
static void IRAM_ATTR emsuart_rx_intr_handler(void * para);
static void IRAM_ATTR emsuart_tx_timer_intr_handler();
static void restart();
};
} // namespace emsesp