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2021-04-25Update ADC driver for STM32F1xx, STM32F3xx, STM32F4xx (#12403)Sergey Vlasov
* Fix default ADC_RESOLUTION for ADCv3 (and ADCv4) Recent ChibiOS update removed ADC_CFGR1_RES_10BIT from the ADCv3 headers (that macro should not have been there, because ADCv3 has CFGR instead of CFGR1). Fix the default value for ADC_RESOLUTION to use ADC_CFGR_RES_10BITS if it is defined (that name is used for ADCv3 and ADCv4). * Update ADC docs to match the actually used resolution ADC driver for ChibiOS actually uses the 10-bit resolution by default (probably to match AVR); fix the documentation accordingly. Also add both ADC_CFGR_RES_10BITS and ADC_CFGR1_RES_10BIT constants (these names differ according to the ADC implementation in the particular MCU). * Fix pinToMux() for B12 and B13 on STM32F3xx Testing on STM32F303CCT6 revealed that the ADC mux values for B12 and B13 pins were wrong. * Add support for all possible analog pins on STM32F1xx Added ADC mux values for pins A0...A7, B0, B1, C0...C5 on STM32F1xx (they are the same at least for STM32F103x8 and larger F103 devices, and also F102, F105, F107 families). Actually tested on STM32F103C8T6 (therefore pins C0...C5 were not tested). Pins F6...F10, which are present on STM32F103x[C-G] in 144-pin packages, cannot be supported at the moment, because those pins are connected only to ADC3, but the ChibiOS ADC driver for STM32F1xx supports only ADC1. * Add support for all possible analog pins on STM32F4xx Added ADC mux values for pins A0...A7, B0, B1, C0...C5 and optionally F3...F10 (if STM32_ADC_USE_ADC3 is enabled). These mux values are apparently the same for all F4xx devices, except some smaller devices may not have ADC3. Actually tested on STM32F401CCU6, STM32F401CEU6, STM32F411CEU6 (using various WeAct “Blackpill” boards); only pins A0...A7, B0, B1 were tested. Pins F3...F10 are inside `#if STM32_ADC_USE_ADC3` because some devices which don't have ADC3 also don't have the GPIOF port, therefore the code which refers to Fx pins does not compile. * Fix STM32F3xx ADC mux table in documentation The ADC driver documentation had some errors in the mux table for STM32F3xx. Fix this table to match the datasheet and the actual code (mux settings for B12 and B13 were also tested on a real STM32F303CCT6 chip). * Add STM32F1xx ADC pins to the documentation * Add STM32F4xx ADC pins to the documentation
2020-08-29Change analogRead calls to analogReadPin (#9023)Ryan
* Change analogRead calls to analogReadPin * Add ChangeLog * Update docs, remove mention of `analogRead()` * Retarget changelog for next round
2020-06-10adds support for the atmega328 (#9043)itsnoteasy
Co-authored-by: Ryan <fauxpark@gmail.com>
2020-03-17ARM - ADC cleanup (#8385)Joel Challis
* Update switch to array to allow custom values * Add adc keymap * update docs to reflect alignment of default 10 bit * start conversion to USE_ADCVn * samplerate is hella wrong...stub out for now * basic f1 and f4 functionality * Tidy up current changes * Restore old pinToMux function * Add back sample rate for supported platforms * F0 compile fixes * wordsmithery Co-Authored-By: Ryan <fauxpark@gmail.com> * Remove reference to avr only function Co-authored-by: Ryan <fauxpark@gmail.com>
2020-03-11Add ADC support for STM32F3 and STM32F0 devices (#7681)Drew Mills
* Add ADC support for STM32F3 and STM32F0 devices * Add section about configration options available to the ARM ADC implementation * Fix STM32 typo
2019-12-08Improve support and docs for ADC driver (#7191)fauxpark
* Improve support and docs for ADC driver * Comment ADC channels * Move to Makers and Modders section, and fix usage instructions * Flesh out intro * Superscript 328P note * Fix pin_to_mux LUT * Support USB64/1287 as well * analogReadPin() defaults to 0V mux on invalid pin * Update pinToMux() function documentation * Dot * Accept (some of) the `qmk cformat` changes * Do clang-format properly * More wording tweaks * Link to encoder docs