Merge branch 'master' into reducei2ciram

Author: d-a-v

.travis.yml

@@ -6,14 +6,6 @@ git:
   depth: 1
   submodules: false
 
-addons:
-  apt:
-    sources:
-      - ubuntu-toolchain-r-test
-    packages:
-      - g++-7
-      - gcc-7
-
 before_install:
   - git submodule update --init  # no recursive update
 
@@ -87,7 +79,11 @@ jobs:
     - name: "Host tests"
       stage: build
       script: $TRAVIS_BUILD_DIR/tests/ci/host_test.sh
-      install: sudo apt-get install valgrind lcov
+      install:
+        - sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y
+        - sudo apt-get update -q
+        - sudo apt-get install -y --allow-unauthenticated g++-7 gcc-7
+        - sudo apt-get install valgrind lcov
       env: CC=gcc-7 CXX=g++-7
 
     - name: "Docs"
@@ -105,6 +101,10 @@ jobs:
     - name: "Mock trivial test"
       stage: build
       script: $TRAVIS_BUILD_DIR/tests/buildm.sh
+      install:
+        - sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y
+        - sudo apt-get update -q
+        - sudo apt-get install -y --allow-unauthenticated g++-7 gcc-7
       env: CC=gcc-7 CXX=g++-7
 
     - name: "Mac OSX can build sketches"

boards.txt

@@ -76,6 +76,10 @@ generic.menu.FlashFreq.40=40MHz
 generic.menu.FlashFreq.40.build.flash_freq=40
 generic.menu.FlashFreq.80=80MHz
 generic.menu.FlashFreq.80.build.flash_freq=80
+generic.menu.FlashFreq.20=20MHz
+generic.menu.FlashFreq.20.build.flash_freq=20
+generic.menu.FlashFreq.26=26MHz
+generic.menu.FlashFreq.26.build.flash_freq=26
 generic.menu.FlashMode.dout=DOUT (compatible)
 generic.menu.FlashMode.dout.build.flash_mode=dout
 generic.menu.FlashMode.dout.build.flash_flags=-DFLASHMODE_DOUT
@@ -4758,6 +4762,10 @@ wifinfo.menu.FlashFreq.40=40MHz
 wifinfo.menu.FlashFreq.40.build.flash_freq=40
 wifinfo.menu.FlashFreq.80=80MHz
 wifinfo.menu.FlashFreq.80.build.flash_freq=80
+wifinfo.menu.FlashFreq.20=20MHz
+wifinfo.menu.FlashFreq.20.build.flash_freq=20
+wifinfo.menu.FlashFreq.26=26MHz
+wifinfo.menu.FlashFreq.26.build.flash_freq=26
 wifinfo.menu.eesz.1M64=1MB (FS:64KB OTA:~470KB)
 wifinfo.menu.eesz.1M64.build.flash_size=1M
 wifinfo.menu.eesz.1M64.build.flash_size_bytes=0x100000
@@ -5778,6 +5786,10 @@ wifi_slot.menu.FlashFreq.40=40MHz
 wifi_slot.menu.FlashFreq.40.build.flash_freq=40
 wifi_slot.menu.FlashFreq.80=80MHz
 wifi_slot.menu.FlashFreq.80.build.flash_freq=80
+wifi_slot.menu.FlashFreq.20=20MHz
+wifi_slot.menu.FlashFreq.20.build.flash_freq=20
+wifi_slot.menu.FlashFreq.26=26MHz
+wifi_slot.menu.FlashFreq.26.build.flash_freq=26
 wifi_slot.menu.FlashMode.dout=DOUT (compatible)
 wifi_slot.menu.FlashMode.dout.build.flash_mode=dout
 wifi_slot.menu.FlashMode.dout.build.flash_flags=-DFLASHMODE_DOUT

cores/esp8266/Arduino.h

@@ -275,10 +275,13 @@ long secureRandom(long);
 long secureRandom(long, long);
 long map(long, long, long, long, long);
 
-extern "C" void configTime(long timezone, int daylightOffset_sec,
-    const char* server1, const char* server2 = nullptr, const char* server3 = nullptr);
+void configTime(int timezone, int daylightOffset_sec, const char* server1,
+    const char* server2 = nullptr, const char* server3 = nullptr);
 
-#endif
+void configTime(const char* tz, const char* server1,
+    const char* server2 = nullptr, const char* server3 = nullptr);
+
+#endif // __cplusplus
 
 #include "pins_arduino.h"
 

cores/esp8266/HardwareSerial.cpp

@@ -60,6 +60,15 @@ void HardwareSerial::end()
     _uart = NULL;
 }
 
+void HardwareSerial::updateBaudRate(unsigned long baud)
+{
+    if(!_uart) {
+        return;
+    }
+
+    uart_set_baudrate(_uart, baud);    
+}
+
 size_t HardwareSerial::setRxBufferSize(size_t size){
     if(_uart) {
         _rx_size = uart_resize_rx_buffer(_uart, size);
@@ -133,8 +142,8 @@ unsigned long HardwareSerial::detectBaudrate(time_t timeoutMillis)
     return detectedBaudrate;
 }
 
-size_t HardwareSerial::readBytes(char* buffer, size_t size)
-{
+size_t HardwareSerial::readBytes(char* buffer, size_t size)
+{
     size_t got = 0;
 
     while (got < size)
@@ -147,7 +156,7 @@ size_t HardwareSerial::readBytes(char* buffer, size_t size)
         got += read(buffer + got, std::min(size - got, avail));
     }
     return got;
-}
+}
 
 #if !defined(NO_GLOBAL_INSTANCES) && !defined(NO_GLOBAL_SERIAL)
 HardwareSerial Serial(UART0);

cores/esp8266/HardwareSerial.h

@@ -88,6 +88,8 @@ class HardwareSerial: public Stream
 
     void end();
 
+    void updateBaudRate(unsigned long baud);
+
     size_t setRxBufferSize(size_t size);
     size_t getRxBufferSize()
     {