[stm32] perform an automatic ADC calibration to improve the conversion accuracy using function HAL_ADCEx_Calibration_Start().
[stm32] perform an automatic ADC calibration to improve the conversion accuracy using function HAL_ADCEx_Calibration_Start().

ArdaFu/rt-thread,RT-Thread/rt-thread,armink/rt-thread,RT-Thread/rt-thread,hezlog/rt-thread,nongxiaoming/rt-thread,weety/rt-thread,geniusgogo/rt-thread,RT-Thread/rt-thread,ArdaFu/rt-thread,RT-Thread/rt-thread,armink/rt-thread,geniusgogo/rt-thread,geniusgogo/rt-thread,weety/rt-thread,armink/rt-thread,geniusgogo/rt-thread,RT-Thread/rt-thread,ArdaFu/rt-thread,armink/rt-thread,RT-Thread/rt-thread,armink/rt-thread,nongxiaoming/rt-thread,ArdaFu/rt-thread,hezlog/rt-thread,RT-Thread/rt-thread,hezlog/rt-thread,geniusgogo/rt-thread,hezlog/rt-thread,hezlog/rt-thread,armink/rt-thread,weety/rt-thread,hezlog/rt-thread,weety/rt-thread,ArdaFu/rt-thread,weety/rt-thread,nongxiaoming/rt-thread,ArdaFu/rt-thread,nongxiaoming/rt-thread,armink/rt-thread,weety/rt-thread,geniusgogo/rt-thread,hezlog/rt-thread,nongxiaoming/rt-thread,geniusgogo/rt-thread,weety/rt-thread,nongxiaoming/rt-thread,nongxiaoming/rt-thread,ArdaFu/rt-thread