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Handle APB frequency change (#2250) 
* Add APB change callbacks and move cpu code to own file

* Properly set esp_timer and FreeRTOS tick dividers

* Improve updated devisors

* No need to update REF_TICK yet

* Add initial handling for UART baud change

* fix uartWriteBuf and uartDetectBaudrate

* trigger callbacks even when APB did not change

* toggle UART ISR on CPU change

* add XTAL freq getter and add cpu freq validation

* Support CPU frequency changes in I2C (#2287)

**esp32-hal-i2c.c**
* add callback for cpu frequency changes
* adjust fifo thresholds based on cpu frequency and i2c bus frequency
* reduce i2c bus frequency if differential is too small
**Wire.h**
* version to 1.1.0

* Implement clock change for the other peripherals

* remove bad CPU clock values from the menu

* Add note to CPU freqs that support WiFi and BT
2019-01-09 10:07:54 +01:00
cores/esp32 Handle APB frequency change (#2250) 2019-01-09 10:07:54 +01:00
docs layout fix (#1845) 2018-09-17 21:20:57 +02:00
libraries Handle APB frequency change (#2250) 2019-01-09 10:07:54 +01:00
package Update build tools (#2200) 2018-12-16 17:09:44 +01:00
tools Update IDF to 97eecfa, enable reboot on WDT and add WDT API (#2248) 2018-12-28 20:37:33 +02:00
variants Add OROCA EduBot Board (#2264) 2019-01-06 21:47:55 +02:00
.gitignore Convert the few remaining cr/lf files to use lf for eol. (#1316) 2018-04-16 16:34:39 +02:00
.gitmodules Add submodule of Azure IoT library (#1448) 2018-05-31 14:52:02 +02:00
.travis.yml * remove git clone --depth parameter (#2124) 2018-11-28 13:15:49 +01:00
appveyor.yml Initial version of build script for @PlatformIO; CI integration for Linux, macOS and Windows (#153) 2017-01-28 14:19:56 +02:00
boards.txt Handle APB frequency change (#2250) 2019-01-09 10:07:54 +01:00
CMakeLists.txt Handle APB frequency change (#2250) 2019-01-09 10:07:54 +01:00
component.mk fix compilation errors in idf 2018-07-25 22:39:32 +02:00
Kconfig.projbuild Feature/selective compilation (#1671) 2018-07-25 13:02:37 +02:00
Makefile.projbuild Remove duplicate ota_data flashing under IDF 2018-08-16 13:34:47 +02:00
package.json Initial version of build script for @PlatformIO; CI integration for Linux, macOS and Windows (#153) 2017-01-28 14:19:56 +02:00
platform.txt Update build tools (#2200) 2018-12-16 17:09:44 +01:00
programmers.txt initial import 2016-10-06 07:09:44 -06:00
README.md Cleanup on README and boards_manager (#1693) 2018-07-30 10:21:03 +03:00

README.md

Arduino core for ESP32 WiFi chip Build Status

Need help or have a question? Join the chat at https://gitter.im/espressif/arduino-esp32

Contents

Development Status

Latest stable release Release Version Release Date

Latest development release Development Version Development Date

Most of the framework is implemented. Most noticable is the missing analogWrite. While analogWrite is on it's way, there are a few other options that you can use:

  • 16 channels LEDC which is PWM
  • 8 channels SigmaDelta which uses SigmaDelta modulation
  • 2 channels DAC which gives real analog output

Installation Instructions

Decoding exceptions

You can use EspExceptionDecoder to get meaningful call trace.

Issue/Bug report template

Before reporting an issue, make sure you've searched for similar one that was already created. Also make sure to go through all the issues labelled as for reference.

Finally, if you're sure no one else had the issue, follow the ISSUE_TEMPLATE while reporting any issue.

ESP32Dev Board PINMAP

Pin Functions

Hint

Sometimes to program ESP32 via serial you must keep GPIO0 LOW during the programming process