esp32 support

src/emsesp.cpp

@@ -173,7 +173,7 @@ void EMSESP::show_emsbus(uuid::console::Shell & shell) {
 // and for each associated EMS device go and request data values
 void EMSESP::show_values(uuid::console::Shell & shell) {
     if (sensor_devices().empty() && emsdevices.empty()) {
-        shell.printfln(F("No information from devices to show"));
+        shell.printfln(F("No data available from devices to show"));
         return;
     }
 

src/system.cpp

@@ -524,14 +524,19 @@ void System::console_commands() {
 
                                            if (shell.has_flags(CommandFlags::ADMIN | CommandFlags::LOCAL)) {
                                                shell.printfln("Wifi:");
+                                               shell.print(" ");
                                                shell.printfln(F_(wifi_ssid_fmt),
                                                               settings.wifi_ssid().empty() ? uuid::read_flash_string(F_(unset)).c_str()
                                                                                            : settings.wifi_ssid().c_str());
+                                               shell.print(" ");
                                                shell.printfln(F_(wifi_password_fmt), settings.wifi_password().empty() ? F_(unset) : F_(asterisks));
                                                shell.printfln(F("Syslog:"));
                                                auto host = settings.syslog_host();
+                                               shell.print(" ");
                                                shell.printfln(F_(host_fmt), !host.empty() ? host.c_str() : uuid::read_flash_string(F_(unset)).c_str());
+                                               shell.print(" ");
                                                shell.printfln(F_(log_level_fmt), uuid::log::format_level_uppercase(settings.syslog_level()));
+                                               shell.print(" ");
                                                shell.printfln(F_(mark_interval_fmt), settings.syslog_mark_interval());
                                            }
                                        });

src/system.h

@@ -73,16 +73,16 @@ class System {
 #endif
 
     static constexpr uint32_t SYSTEM_CHECK_FREQUENCY = 5000; // check every 5 seconds
-    static constexpr uint32_t LED_WARNING_BLINK      = 1000; // flash
+    static constexpr uint32_t LED_WARNING_BLINK      = 1000; // pulse to show no connection
-    static constexpr uint32_t LED_WARNING_BLINK_FAST = 100;  // flash quick
+    static constexpr uint32_t LED_WARNING_BLINK_FAST = 100;  // flash quickly for boot up sequence or safe-mode
 
 // internal LED
 #if defined(ESP8266)
     static constexpr uint8_t LED_GPIO = 2;
     static constexpr uint8_t LED_ON   = LOW;
 #elif defined(ESP32)
-    static constexpr uint8_t LED_GPIO = 5;
+    static constexpr uint8_t LED_GPIO = 5; // on Wemos D32
-    static constexpr uint8_t LED_ON   = HIGH;
+    static constexpr uint8_t LED_ON   = LOW;
 #else
     static constexpr uint8_t LED_GPIO = 0;
     static constexpr uint8_t LED_ON   = 0;

src/uart/emsuart_esp32.cpp

@@ -16,6 +16,8 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+/* ESP32 UART port by Arwed Richert @ArwedL */
+
 #if defined(ESP32)
 
 #include "uart/emsuart_esp32.h"
@@ -85,7 +87,6 @@ void EMSuart::emsuart_recvTask(void * param) {
  * init UART0 driver
  */
 void EMSuart::start(uint8_t tx_mode) {
-    return; // TODO commented out because it causes crash. @ArwedL could you take a look?
 
     tx_mode_ = tx_mode;
 
@@ -117,15 +118,15 @@ void EMSuart::start(uint8_t tx_mode) {
     // 1 should be enough - also 10 should be fine
     ESP_ERROR_CHECK(uart_driver_install(EMSUART_UART, EMSUART_RXBUFSIZE, 0, 10, &uart_queue, 0));
 
+    // Create a ringbuffer for communication between recvTask and parseTask (as max message size is ~32 bytes) 512 bytes has capacity to hold more than 16 telegrams
+    buf_handle = xRingbufferCreate(512, RINGBUF_TYPE_NOSPLIT);
+
     // start recvTaskQueue stacksize choosen any value 4069 bytes, Priority choosen 2 above normal to be able to fastly react on received signals
     // xTaskCreate parameters taken from https://github.com/espressif/esp-idf/blob/ce2a99dc23533f40369e4ab0d17ffd40f4b0dd72/examples/peripherals/uart/uart_events/main/uart_events_example_main.c
     xTaskCreate(emsuart_recvTask, "EMS_recv", 2048, NULL, 12, NULL);
 
     // create 2 tasks because assumption is that parseTelegram needs some time (even on ESP32) which would block receiving task
     xTaskCreate(emsuart_parseTask, "EMS_parse", 8000, NULL, 2, NULL);
-
-    // Create a ringbuffer for communication between recvTask and parseTask (as max message size is ~32 bytes) 512 bytes has capacity to hold more than 16 telegrams
-    buf_handle = xRingbufferCreate(512, RINGBUF_TYPE_NOSPLIT);
 }
 
 /*