build: clean up the mess of ifdefs from platform into a scons-configured hal

src/platform/arduino/esp8266/Platform.cpp

@@ -0,0 +1,134 @@
+#include "../../../Platform.h"
+#include <ESP8266WiFi.h>
+#include <WiFiUdp.h>
+#include <NTPClient.h>
+#include <ctime>
+
+#define __NOINIT_ATTR __attribute__ ((section (".noinit")))
+__NOINIT_ATTR static uint8_t s_rebootCount;
+__NOINIT_ATTR static uint16_t s_forceSafeMode;
+#define SAFE_MODE_MAGIC 6942
+
+WiFiUDP wifiUdp;
+NTPClient timeClient(wifiUdp, "pool.ntp.org", 3600 * -7);
+
+template<>
+const char*
+PlatformImpl<HAL_ESP8266>::name()
+{
+  return "ESP8266";
+}
+
+template<>
+const char*
+PlatformImpl<HAL_ESP8266>::version()
+{
+  return ESP.getSdkVersion();
+}
+
+template<>
+int
+PlatformImpl<HAL_ESP8266>::freeRam()
+{
+  return ESP.getFreeHeap();
+}
+
+template<>
+void
+PlatformImpl<HAL_ESP8266>::startWatchdog()
+{
+  ESP.wdtEnable(0);
+}
+
+template<>
+bool
+PlatformImpl<HAL_ESP8266>::getLocalTime(struct tm* timedata, int timezone)
+{
+  timedata->tm_hour = (timeClient.getHours() + timezone) % 23;
+  timedata->tm_min = timeClient.getMinutes();
+  return true;
+}
+
+template<>
+void
+PlatformImpl<HAL_ESP8266>::startNTP()
+{
+  timeClient.begin();
+}
+
+template<>
+void
+PlatformImpl<HAL_ESP8266>::loop()
+{
+  if (WiFi.status() == WL_CONNECTED) {
+    timeClient.update();
+  }
+  ESP.wdtFeed();
+}
+
+template<>
+const char*
+PlatformImpl<HAL_ESP8266>::deviceID()
+{
+  static char s_deviceID[15];
+  static uint16_t chipid = ESP.getChipId();
+  snprintf(s_deviceID, sizeof(s_deviceID), "%08X", (uint32_t)chipid);
+  return s_deviceID;
+}
+
+template<>
+void
+PlatformImpl<HAL_ESP8266>::restart()
+{
+  ESP.wdtDisable();
+  ESP.restart();
+}
+
+template<>
+void
+PlatformImpl<HAL_ESP8266>::bootSplash()
+{
+  Log.notice("ESP8266!");
+}
+
+template<>
+void
+PlatformImpl<HAL_ESP8266>::printCrashInfo()
+{
+  auto rInfo = ESP.getResetInfoPtr();
+  if (Platform::bootopts.resetReason == REASON_EXCEPTION_RST) {
+    Log.error("Fatal exception (%d):", rInfo->exccause);
+  }
+  Log.error("epc1=%X, epc2=%X, epc3=%X, excvaddr=%X, depc=%X",
+      rInfo->epc1, rInfo->epc2, rInfo->epc3, rInfo->excvaddr, rInfo->depc);
+}
+
+template<>
+void
+PlatformImpl<HAL_ESP8266>::initBootOptions(BootOptions& opts)
+{
+  struct rst_info resetInfo = *ESP.getResetInfoPtr();
+  opts.resetReason = resetInfo.reason;
+  opts.crashCount = s_rebootCount;
+  if (resetInfo.reason == REASON_SOFT_WDT_RST || resetInfo.reason == REASON_WDT_RST || resetInfo.reason == REASON_EXCEPTION_RST) {
+    if (opts.crashCount++ >= 3) {
+      // Boot into safe mode if the watchdog reset us three times in a row.
+      opts.isSafeMode = true;
+    }
+  } else {
+    opts.crashCount = 0;
+  }
+  s_rebootCount = opts.crashCount;
+
+  if (resetInfo.reason > 0 && s_forceSafeMode == SAFE_MODE_MAGIC) {
+    opts.isSafeMode = true;
+    s_forceSafeMode = 0;
+  }
+}
+
+template<>
+void
+PlatformImpl<HAL_ESP8266>::forceSafeMode()
+{
+  s_forceSafeMode = SAFE_MODE_MAGIC;
+}