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9e93888220
Add board-level configuration and driver support for differential input
channels and auto-calibration on STM32 ADC IPv2 and IPv2G4 (STM32F3,
STM32G4), following the STM32H5 architecture pattern requested in review:
- In hardware headers (stm32_adc_v2.h and stm32_adc_v2g4.h), fix register
comments and define ADC_DIFSEL register shift and masks.
- In stm32_adc_m3m4_v1v2.c:
- Add difsel field to struct stm32_dev_s initialized from
BOARD_ADCx_DIFSEL if defined, falling back to ADC_DIFSEL_DEFAULT (0).
- Configure DIFSEL before enabling the ADC in adc_configure().
- Fix and enable adc_calibrate() for HAVE_IP_ADC_V2, supporting both
single-ended calibration (ADCALDIF=0) and differential calibration
(ADCALDIF=1) based on the channel selection.
Verified on Nucleo-G431KB (single-ended and differential channel 1).
Assisted-by: Gemini:gemini-2.5-pro
Signed-off-by: Daniel P. Carvalho <danieloak@gmail.com>
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| arm | ||
| arm64 | ||
| avr | ||
| ceva | ||
| dummy | ||
| hc | ||
| mips | ||
| misoc | ||
| or1k | ||
| renesas | ||
| risc-v | ||
| sim | ||
| sparc | ||
| tricore | ||
| x86 | ||
| x86_64 | ||
| xtensa | ||
| z16 | ||
| z80 | ||
| CMakeLists.txt | ||
| Kconfig | ||