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merged Tx Delay https://github.com/proddy/EMS-ESP/pull/113

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proddy
2019-05-21 23:50:47 +02:00
parent fae9f2a8af
commit f9c5cb9dca
5 changed files with 37 additions and 36 deletions
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2
CHANGELOG.md
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@@ -17,6 +17,8 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
### Changed ### Changed
- Improved Tx code, by @Susis Strolch [(pull request 113)](https://github.com/proddy/EMS-ESP/pull/113). Use `set_txdelay 2`
## [1.7.0] 2019-05-11 ## [1.7.0] 2019-05-11
### Added ### Added

2
src/ems.cpp
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@@ -687,7 +687,7 @@ void _ems_readTelegram(uint8_t * telegram, uint8_t length) {
_last_emsPollFrequency = EMS_RxTelegram.timestamp; _last_emsPollFrequency = EMS_RxTelegram.timestamp;
// check first for a Poll for us // check first for a Poll for us
if (value == (EMS_ID_ME | 0x80)) { if ((value & 0x7F) == EMS_ID_ME) {
EMS_Sys_Status.emsTxCapable = true; EMS_Sys_Status.emsTxCapable = true;
// do we have something to send thats waiting in the Tx queue? // do we have something to send thats waiting in the Tx queue?

23
src/emsuart.cpp
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@@ -130,10 +130,10 @@ void ICACHE_FLASH_ATTR emsuart_init() {
// disable esp debug which will go to Tx and mess up the line // disable esp debug which will go to Tx and mess up the line
system_set_os_print(0); // https://github.com/espruino/Espruino/issues/655 system_set_os_print(0); // https://github.com/espruino/Espruino/issues/655
// swap Rx and Tx pins to use GPIO13 (D7) and GPIO15 (D8) respectively // swap Rx and Tx pins to use GPIO13 (D7) and GPIO15 (D8) respectively
#ifndef NO_UART_SWAP #ifndef NO_UART_SWAP
system_uart_swap(); system_uart_swap();
#endif #endif
ETS_UART_INTR_ATTACH(emsuart_rx_intr_handler, NULL); ETS_UART_INTR_ATTACH(emsuart_rx_intr_handler, NULL);
ETS_UART_INTR_ENABLE(); ETS_UART_INTR_ENABLE();
@@ -195,20 +195,20 @@ void ICACHE_FLASH_ATTR emsuart_tx_buffer(uint8_t * buf, uint8_t len) {
uint32_t tmp; uint32_t tmp;
// backward compatibility // backward compatibility
if (EMS_Sys_Status.emsTxDelay<2) { if (EMS_Sys_Status.emsTxDelay < 2) {
for (uint8_t i = 0; i < len; i++) { for (uint8_t i = 0; i < len; i++) {
USF(EMSUART_UART) = buf[i]; USF(EMSUART_UART) = buf[i];
// check if we need to force a delay to slow down Tx // check if we need to force a delay to slow down Tx
// https://github.com/proddy/EMS-ESP/issues/23# // https://github.com/proddy/EMS-ESP/issues/23#
if (EMS_Sys_Status.emsTxDelay==1) { if (EMS_Sys_Status.emsTxDelay == 1) {
delayMicroseconds(EMS_TX_BRK_WAIT); delayMicroseconds(EMS_TX_BRK_WAIT);
} }
} }
emsuart_tx_brk(); // send <BRK> emsuart_tx_brk(); // send <BRK>
} else { } else {
// smart Tx // smart Tx
#define UART_BIT_TIME 104 // bit time @9600 baud #define UART_BIT_TIME 104 // bit time @9600 baud
ETS_UART_INTR_DISABLE(); // disable rx interrupt ETS_UART_INTR_DISABLE(); // disable rx interrupt
emsuart_flush_fifos(); emsuart_flush_fifos();
@@ -216,7 +216,7 @@ void ICACHE_FLASH_ATTR emsuart_tx_buffer(uint8_t * buf, uint8_t len) {
for (uint8_t i = 0; i < len; i++) { for (uint8_t i = 0; i < len; i++) {
USF(EMSUART_UART) = buf[i]; // send byte USF(EMSUART_UART) = buf[i]; // send byte
delayMicroseconds(10*UART_BIT_TIME); delayMicroseconds(10 * UART_BIT_TIME);
/* wait until /* wait until
* ° loopback char is received * ° loopback char is received
@@ -225,14 +225,13 @@ void ICACHE_FLASH_ATTR emsuart_tx_buffer(uint8_t * buf, uint8_t len) {
* ° Break detected (bus collision) - not handled now... * ° Break detected (bus collision) - not handled now...
*/ */
for (uint8_t l = 0; l < 13; l++) { for (uint8_t l = 0; l < 13; l++) {
if (((USS(EMSUART_UART) >> USRXC) & 0xFF) if (((USS(EMSUART_UART) >> USRXC) & 0xFF) || (U0IS & ((1 << UIFF) | (1 << UITO) | (1 << UIBD))))
|| (U0IS & ((1 << UIFF) | (1 << UITO) | (1 << UIBD))))
break; break;
delayMicroseconds(UART_BIT_TIME / 8); // ~13µs delayMicroseconds(UART_BIT_TIME / 8); // ~13µs
} }
uint32_t break_detect = (U0IS & (1 << UIBD)); // keep break detect interrupt uint32_t break_detect = (U0IS & (1 << UIBD)); // keep break detect interrupt
(void) (USF(EMSUART_UART)); // read out fifo, also clears FIFO counter (void)(USF(EMSUART_UART)); // read out fifo, also clears FIFO counter
U0IC = (1 << UIFF) | (1 << UITO) | (1 << UIBD); // clear pending interrupts U0IC = (1 << UIFF) | (1 << UITO) | (1 << UIBD); // clear pending interrupts
if (break_detect) if (break_detect)
break; // collision / abort from master break; // collision / abort from master
@@ -256,5 +255,5 @@ void ICACHE_FLASH_ATTR emsuart_tx_buffer(uint8_t * buf, uint8_t len) {
*/ */
void ICACHE_FLASH_ATTR emsuart_tx_poll() { void ICACHE_FLASH_ATTR emsuart_tx_poll() {
static uint8_t buf[] = {EMS_ID_ME}; static uint8_t buf[] = {EMS_ID_ME};
emsuart_tx_buffer(buf,1); emsuart_tx_buffer(buf, 1);
} }

2
src/version.h
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@@ -6,5 +6,5 @@
#pragma once #pragma once
#define APP_NAME "EMS-ESP" #define APP_NAME "EMS-ESP"
#define APP_VERSION "1.8.0b1" #define APP_VERSION "1.8.0b2"
#define APP_HOSTNAME "ems-esp" #define APP_HOSTNAME "ems-esp"