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c0afe92a7f
* Initial commit of combined BLE and WiFi OTA * Incorporate ota_hash in AdminMessage protobuf * OTA protobuf changes * Trunk fmt --------- Co-authored-by: Jake-B <jake-b@users.noreply.github.com>
42 lines
1.4 KiB
C
42 lines
1.4 KiB
C
#ifdef CAN_RECLOCK_I2C
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#include "ScanI2CTwoWire.h"
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uint32_t reClockI2C(uint32_t desiredClock, TwoWire *i2cBus)
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{
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uint32_t currentClock;
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/* See https://github.com/arduino/Arduino/issues/11457
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Currently, only ESP32 can getClock()
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While all cores can setClock()
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https://github.com/sandeepmistry/arduino-nRF5/blob/master/libraries/Wire/Wire.h#L50
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https://github.com/earlephilhower/arduino-pico/blob/master/libraries/Wire/src/Wire.h#L60
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https://github.com/stm32duino/Arduino_Core_STM32/blob/main/libraries/Wire/src/Wire.h#L103
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For cases when I2C speed is different to the ones defined by sensors (see defines in sensor classes)
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we need to reclock I2C and set it back to the previous desired speed.
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Only for cases where we can know OR predefine the speed, we can do this.
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*/
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#ifdef ARCH_ESP32
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currentClock = i2cBus->getClock();
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#elif defined(ARCH_NRF52)
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// TODO add getClock function or return a predefined clock speed per variant?
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return 0;
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#elif defined(ARCH_RP2040)
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// TODO add getClock function or return a predefined clock speed per variant
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return 0;
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#elif defined(ARCH_STM32WL)
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// TODO add getClock function or return a predefined clock speed per variant
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return 0;
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#else
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return 0;
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#endif
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if (currentClock != desiredClock) {
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LOG_DEBUG("Changing I2C clock to %u", desiredClock);
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i2cBus->setClock(desiredClock);
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}
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return currentClock;
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}
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#endif
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