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* stm32: Support for STM32F401 (#3853)smark-2021-01-311-2/+2
| | | | | This module adds support for the STM32F401 microcontrollers Signed-off-by: Marco D'Alessio <marco@wrecklab.com>
* stm32: Support reading chip based temperature sensor on stm32f1/2/4Kevin O'Connor2020-10-291-5/+24
| | | | Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Slow ADC frequency to 4.5MhzKevin O'Connor2020-04-301-3/+3
| | | | | | | There are reports that SKR mini boards have more stable ADC results when running the ADC at a slower frequency. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Reset adc calibration prior to starting calibrationKevin O'Connor2020-01-251-8/+17
| | | | Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Increase adc sample timeKevin O'Connor2020-01-251-4/+4
| | | | | | | Increase the sample time register from 3 to 4 (which adds about ~1.5us to each adc sample). Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Fix typo in setting of SMPR1 register on stm32f103Kevin O'Connor2019-11-271-1/+2
| | | | | | Only the stm32f4 has a SMP18 field; it's not present on the stm32f103. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Fix typo in adc startup delayKevin O'Connor2019-11-271-1/+6
| | | | | | Fix (harmless) typo and add comments on adc timing. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Add support for additional ADC3 ports on stm32f4Kevin O'Connor2019-08-151-20/+41
| | | | Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
* stm32: Rename stm32f4/ directory to stm32/Kevin O'Connor2019-08-051-0/+107
Now that the code in stm32f4/ can handle both stm32f1 and stm32f4 chips, rename the directory to just "stm32". Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
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