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The i2c peripheral will hang if a READ request is issued with a zero data length. The peripheral drops into a continuous timeout interrupt response. The STOP command can not be set out to the I2C bus. The SLAVE device correctly ACK'd the address byte, with READ bit set, it has control of the SDA pin. The ESP32 send out the next SCL HIGH pulse but, since the SLAVE is in READ Mode, and the First bit it is sending happened to be a ZERO, the ESP32 cannot send the STOP. When it releases SDA during the SCL HIGH, the pin does not change state. The pin stays low because the SLAVE is outputing a LOW! The ESP32 drops into a perminent WAIT state waiting for SDA to go HIGH (the STOP). **esp32-hal-i2c.c** * add databuff length checks to `i2cRead()` and `i2cWrite()`
Add download counter for releases
* I2C debugging and Log Dump Explaination Create a help file for I2C debugging and interpretation of log dumps * Update i2c_debugging.md version * add formatting, file locations
* Fix BananaPi-BIT DAC definition * Update t-beam too
Pin 2 is not found on the [Adafruit docs](https://learn.adafruit.com/adafruit-huzzah32-esp32-feather) for this board and 33 was suggested in #1586 as a fix. I've tried this locally on my board and it is working correctly.
Executing python2 get.py behind proxy give error "IOError: [Errno socket error] [SSL: UNKNOWN_PROTOCOL] unknown protocol (_ssl.c:590)"
* Webserver fix logging (#1) * Change logging to use esp32-hal-log.h fixes #2355 * adjust log parameter output positions, reduce lines The DEBUG_ESP method used less lines than I originally set `log_v` to use when displaying the details of the received params ("@" and "=" indexes, and File info on a single line)
…proper dir (#2333) * add missing EEPROM lib to CMakeLists.txt, moved the EEPROM files to proper directory * add missing EEPROM lib to CMakeLists.txt, moved the EEPROM files to proper directory
* fix log error code format * remove useless condition in if statement
* Board T-Beam: Update pins_arduino.h DAC2 is not wired, only DAC1 is -> corrected LORA pins 27 + 19 are only wired on pcb, but not connected to header -> deleted * Update pins_arduino.h Button and LED added
* Add timeout to WiFiClient.connect() * Changed default handling
* Clarified comments and debug messages Made debug messages and comments easier to understand/grammatical fixes * few more fixes
In Board.txt file added board revision submenu to distinguish the different revisions of the same board. By selecting different revision in the Arduino menu different value of the predefined macro will be applied which is used inside the pins_arduino.h file to make different defines and values for the specific revision. In addition to this esp32-poe pin definitions is added ethernet power enable pin and also defined macro: BOARD_HAS_1BIT_SDMMC
Avoid passing String by-value, which is slightly less efficient as it involves a full copy-constructor/tempstring creation.
* Wait for client.available() to prevent ESP32 crashes * Removed user-specific SSID & passphrase
* Add readFloat * Add readFloat to BLE
* fix typo in SPIFFS example * fix typo in FFAT example
* Add support for WiFi long range mode * Update WiFiGeneric.cpp
Add a file named `partitions.csv` to your sketch folder and define the partitions inside. In order to not get `Sketch too big`, please select appropriate partition scheme from the board menu
I compiled the sample "WebServer -> HttpAdvancedAuth". But the right username and password can not login in. I found the file "Webserver.h" may be have some problem. So I fix it. Please check it.
This changes all SPI functions that take data pointers which are not modified so that the declaration is const. This allows them to be used with const data (i.e. held in flash). No functional changes are required. The defnitions of spiWrite() and spiTransferBytes() in esp-hal-spi.h/c have been updated to be consistent. Tests: - Build a simple sketch using SPI.writePattern() and SPI.transferBytes() which uses const data and verify that the attached device functions as expected.
This event name was missing in the list: https://github.com/espressif/arduino-esp32/blob/d5e2bb12ca02ae9066e9dad84d9dbf268aca6fa3/tools/sdk/include/esp32/esp_event_legacy.h#L43 E.g., it was giving [D][WiFiGeneric.cpp:337] _eventCallback(): Event: 24 - ETH_GOT_IP When it should have been [D][WiFiGeneric.cpp:337] _eventCallback(): Event: 24 - ETH_DISCONNECTED
* Docs for lib builder * Typos and such
* add option to Flush() to only clear txQueue Add the option to cause Flush() to just wait for tx data to clear the tx fifo and uart, leave the rx queue and rx fifo as is. * support tx only flush() * support tx only Flush() * support txOnly for Flush() * compatibility to Stream() * compatibility for Stream() * default value error * default value error * Update esp32-hal-uart.h * Update esp32-hal-uart.c * Update HardwareSerial.cpp * sp * correctly implement flushTxOnly()
fix typo
* Fixed incorrect usage of xEventGroupWaitBits * Added parentheses and `!= 0`
…#3458) * SPI: Fix discarded-qalifiers warning when compiling with all warnings This fixes an error introduced with changeset b847f41 which tightened the use of const for read-only data. The helper funtion __transferBytes also requires the const qualifier on outgoing data. Without this change a warning is displayed when compiling with the Arduino IDE set to display "All" compiler warnings. Tests: - Build an ESP32 SPI sketch that uses static const data to send to an SPI device using the SPI.transferBytes() API * SPI:Ensure all local functions are marked static This audits all functions in the esp32-hal-xpi.c module and ensures that any functions entirely local to the module are marked as static. Tests: - Build with Arduino set to show all warnings and ensure none are displayed * SPI: Remove unused local __spiTranslate24 function This removes the __spiTranslate24() function which is unused.
* Update esp32-hal-bt.c BluetoothSerial crash when restart: this is because the BT controller remains in state ESP_BT_CONTROLLER_STATUS_INITED instead of state ESP_BT_CONTROLLER_STATUS_IDLE after the end() method. in file esp_bt.h it is specified > @brief Enable BT controller. > Due to a known issue, you cannot call esp_bt_controller_enable() a second time > to change the controller mode dynamically. To change controller mode, call > esp_bt_controller_disable() and then call esp_bt_controller_enable() with the new mode. after **esp_bt_controller_disable()** the controller remains in state INITED so we do call the **esp_bt_controller_deinit()** function to put the controller into state IDLE. i have modified the **esp32-hal-bt.c** file line 57 and next (i have insert the esp_bt_controller_deinit() function so the controller go into Idle state) ```c++ bool btStop(){ if(esp_bt_controller_get_status() == ESP_BT_CONTROLLER_STATUS_IDLE){ log_i("bt stopped"); return true; } if(esp_bt_controller_get_status() == ESP_BT_CONTROLLER_STATUS_ENABLED){ log_i("bt enabled"); if (esp_bt_controller_disable()) { log_e("BT Disable failed"); return false; } while(esp_bt_controller_get_status() == ESP_BT_CONTROLLER_STATUS_ENABLED); } if(esp_bt_controller_get_status() == ESP_BT_CONTROLLER_STATUS_INITED){ log_i("inited"); if (esp_bt_controller_deinit()) { log_e("BT deint failed"); return false; } while (esp_bt_controller_get_status() == ESP_BT_CONTROLLER_STATUS_INITED); return true; } log_e("BT Stop failed"); return false; } ``` * Update esp32-hal-bt.c remove while to avoid infinite loop
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