STM32F302 ADC calibration
Posted: Fri Sep 25, 2020 7:30 pm
In adc_lld_start() after calling adc_lld_vreg_on() CR register always stay 0x20000000.
After this in adc_lld_calibrate() at line osalDbgAssert(...) program going to chSysHalt().
mcuconf.h:
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#define STM32_NO_INIT FALSE
#define STM32_PVD_ENABLE FALSE
#define STM32_PLS STM32_PLS_LEV0
#define STM32_HSI_ENABLED TRUE
#define STM32_LSI_ENABLED TRUE
#define STM32_HSE_ENABLED TRUE
#define STM32_LSE_ENABLED FALSE
#define STM32_SW STM32_SW_PLL
#define STM32_PLLSRC STM32_PLLSRC_HSE
#define STM32_PREDIV_VALUE 2
#define STM32_PLLMUL_VALUE 9
#define STM32_HPRE STM32_HPRE_DIV1
#define STM32_PPRE1 STM32_PPRE1_DIV2
#define STM32_PPRE2 STM32_PPRE2_DIV2
#define STM32_MCOSEL STM32_MCOSEL_NOCLOCK
#define STM32_ADC12PRES STM32_ADC12PRES_DIV1
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After this in adc_lld_calibrate() at line osalDbgAssert(...) program going to chSysHalt().
mcuconf.h:
-------
#define STM32_NO_INIT FALSE
#define STM32_PVD_ENABLE FALSE
#define STM32_PLS STM32_PLS_LEV0
#define STM32_HSI_ENABLED TRUE
#define STM32_LSI_ENABLED TRUE
#define STM32_HSE_ENABLED TRUE
#define STM32_LSE_ENABLED FALSE
#define STM32_SW STM32_SW_PLL
#define STM32_PLLSRC STM32_PLLSRC_HSE
#define STM32_PREDIV_VALUE 2
#define STM32_PLLMUL_VALUE 9
#define STM32_HPRE STM32_HPRE_DIV1
#define STM32_PPRE1 STM32_PPRE1_DIV2
#define STM32_PPRE2 STM32_PPRE2_DIV2
#define STM32_MCOSEL STM32_MCOSEL_NOCLOCK
#define STM32_ADC12PRES STM32_ADC12PRES_DIV1
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