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Merge branch 'v2a8' of https://github.com/proddy/EMS-ESP into v2

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This commit is contained in:
MichaelDvP
2020-05-28 08:25:36 +02:00
parent 55c60365f6 69646c1a1c
commit 5f1d6adaf5
36 changed files with 857 additions and 532 deletions
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89
src/uart/emsuart_esp32.cpp
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@@ -16,7 +16,9 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* ESP32 UART port by Arwed Richert @ArwedL */
/*
* ESP32 UART port by @ArwedL and improved by @MichaelDvP. See https://github.com/proddy/EMS-ESP/issues/380
*/
#if defined(ESP32)
@@ -26,20 +28,20 @@
namespace emsesp {
static intr_handle_t uart_handle;
static RingbufHandle_t buf_handle = NULL;
static uint8_t rxbuf[UART_FIFO_LEN];
static uint8_t rxlen;
static intr_handle_t uart_handle;
static RingbufHandle_t buf_handle = NULL;
static uint8_t rxbuf[UART_FIFO_LEN];
static uint8_t rxlen;
bool drop_first_rx = true;
/*
* Task to handle the incoming data.
* Task to handle the incoming data
*/
void EMSuart::emsuart_recvTask(void * param) {
while(1) {
while (1) {
size_t item_size;
uint8_t * telegram = (uint8_t *)xRingbufferReceive(buf_handle, &item_size, portMAX_DELAY);
uint8_t telegramSize = item_size;
uint8_t telegramSize = item_size;
if (telegram) {
EMSESP::incoming_telegram(telegram, telegramSize);
@@ -50,17 +52,17 @@ void EMSuart::emsuart_recvTask(void * param) {
/*
* UART interrupt, on break read the fifo and put the whole telegram to ringbuffer
*/
static void IRAM_ATTR uart_intr_handle(void *arg)
{
static void IRAM_ATTR uart_intr_handle(void * arg) {
if (EMS_UART.int_st.brk_det) {
uint8_t rx_fifo_len = EMS_UART.status.rxfifo_cnt;
for (rxlen = 0; rxlen < rx_fifo_len; rxlen++) {
rxbuf[rxlen] = EMS_UART.fifo.rw_byte; // read all bytes into buffer
}
if ((rxlen == 2) || ((rxlen > 4) && (rxlen <= EMS_MAXBUFFERSIZE))) {
if (!drop_first_rx && (rxlen == 2) || ((rxlen > 4) && (rxlen <= EMS_MAXBUFFERSIZE))) {
int baseType = 0;
xRingbufferSendFromISR(buf_handle, rxbuf, rxlen - 1, &baseType);
}
drop_first_rx = false;
EMS_UART.int_clr.brk_det = 1; // clear flag
EMS_UART.conf0.txd_brk = 0; // if it was break from sending, clear bit
}
@@ -69,47 +71,52 @@ static void IRAM_ATTR uart_intr_handle(void *arg)
* init UART driver
*/
void EMSuart::start(uint8_t tx_mode) {
uart_config_t uart_config = {
.baud_rate = EMSUART_BAUD,
.data_bits = UART_DATA_8_BITS,
.parity = UART_PARITY_DISABLE,
.stop_bits = UART_STOP_BITS_1,
.flow_ctrl = UART_HW_FLOWCTRL_DISABLE,
};
uart_config_t uart_config = {
.baud_rate = EMSUART_BAUD,
.data_bits = UART_DATA_8_BITS,
.parity = UART_PARITY_DISABLE,
.stop_bits = UART_STOP_BITS_1,
.flow_ctrl = UART_HW_FLOWCTRL_DISABLE,
};
ESP_ERROR_CHECK(uart_param_config(EMSUART_UART, &uart_config));
ESP_ERROR_CHECK(uart_set_pin(EMSUART_UART, EMSUART_TXPIN, EMSUART_RXPIN, UART_PIN_NO_CHANGE, UART_PIN_NO_CHANGE));
//EMS_UART.conf1.rxfifo_full_thrhd = 127; // enough to hold the incomming telegram, should never reached
//EMS_UART.idle_conf.tx_brk_num = 12; // breaklenght 12 bit
EMS_UART.int_ena.val = 0; // diable all intr.
EMS_UART.int_clr.val = 0xFFFFFFFF; // clear all intr. flags
EMS_UART.int_ena.brk_det = 1; // activate only break
buf_handle = xRingbufferCreate(128, RINGBUF_TYPE_NOSPLIT);
ESP_ERROR_CHECK(uart_isr_register(EMSUART_UART,uart_intr_handle, NULL, ESP_INTR_FLAG_IRAM, &uart_handle));
//EMS_UART.conf1.rxfifo_full_thrhd = 127; // enough to hold the incoming telegram, should never reached
//EMS_UART.idle_conf.tx_brk_num = 12; // breaklength 12 bit
EMS_UART.int_ena.val = 0; // disable all intr.
EMS_UART.int_clr.val = 0xFFFFFFFF; // clear all intr. flags
buf_handle = xRingbufferCreate(128, RINGBUF_TYPE_NOSPLIT);
ESP_ERROR_CHECK(uart_isr_register(EMSUART_UART, uart_intr_handle, NULL, ESP_INTR_FLAG_IRAM, &uart_handle));
xTaskCreate(emsuart_recvTask, "emsuart_recvTask", 2048, NULL, 12, NULL);
drop_first_rx = true;
EMS_UART.int_ena.brk_det = 1; // activate only break
}
/*
/*
* Stop, disables interrupt
*/
void EMSuart::stop(){
EMS_UART.int_ena.val = 0; //diable all intr.
};
void EMSuart::stop() {
EMS_UART.int_ena.val = 0; // disable all intr.
};
/*
/*
* Restart Interrupt
*/
void EMSuart::restart(){
EMS_UART.int_clr.val = 0xFFFFFFFF; // clear all intr. flags
void EMSuart::restart() {
if (EMS_UART.int_st.brk_det) {
EMS_UART.int.clr.brk_det = 1; // clear break if happend
drop_first_rx = true; // and drop first frame
}
EMS_UART.int_ena.brk_det = 1; // activate only break
};
/*
};
/*
* Sends a 1-byte poll, ending with a <BRK>
*/
void EMSuart::send_poll(uint8_t data) {
EMS_UART.conf0.txd_brk = 0; // just to make sure the bit is cleared
EMS_UART.fifo.rw_byte = data;
EMS_UART.idle_conf.tx_brk_num = 12; // breaklenght 12 bit
EMS_UART.conf0.txd_brk = 0; // just to make sure the bit is cleared
EMS_UART.fifo.rw_byte = data;
EMS_UART.idle_conf.tx_brk_num = 12; // breaklength 12 bit
EMS_UART.conf0.txd_brk = 1; // sending ends in a break
}
@@ -123,12 +130,12 @@ EMSUART_STATUS EMSuart::transmit(uint8_t * buf, uint8_t len) {
if (EMS_UART.status.txfifo_cnt > 0) { // fifo not empty
return EMS_TX_WTD_TIMEOUT;
}
EMS_UART.conf0.txd_brk = 0; // just to make sure the bit is cleared
EMS_UART.conf0.txd_brk = 0; // just to make sure the bit is cleared
for (uint8_t i = 0; i < len; i++) {
EMS_UART.fifo.rw_byte = buf[i];
}
//uart_tx_chars(EMSUART_UART, (const char *)buf, len);
EMS_UART.idle_conf.tx_brk_num = 12; // breaklenght 12 bit
EMS_UART.idle_conf.tx_brk_num = 12; // breaklength 12 bit
EMS_UART.conf0.txd_brk = 1; // sending ends in a break
}
return EMS_TX_STATUS_OK;