Great. I will give it a try and let you know how it goes. Thank you for your response. It helps.
Mo On Sun, Jun 28, 2020, 04:20 Casper Meijn <cas...@meijn.net> wrote: > Hi Mo Chen, > > I am not part of the core team. I have used the ADC on the nRF52832. As > I understood it, it has a single ADC for actual measurement and this > could be connected to 8 different inputs. This would mean that you only > need ADC0 and you configure multiple channels using struct adc_chan_cfg. > > I have not done this myself, as I only have one pin to measure, but I > believe this is how you should do it. > > Hope this helps, > Casper > > On di, jun 23, 2020 at 15:47, Mo Chen <shanyechu...@gmail.com> wrote: > > Hi dear team, > > > > As we know that there are 8 ADC ports on nrf52832. And looks like in > > the > > apache-mynewt-core source and cfg files, only ADC0 is enabled by > > default. > > > > I have searched the entire core, there are 6 files, 8 locations that > > need > > to be modified to enable other ADC ports. > > > > I wonder if there is a simple way to enable more ADC ports without > > modifying the core code, so that it won't warn me those files are > > dirty > > when I try to do a "newt upgrade". > > > > Or include all ADC ports in the core code as what I had done and > > users can > > config the ADC_X = 1 in their own target syscfg.yml file without > > modifying > > the core code to keep everything clean. > > > > Or am I doing it in a wrong way? Any guidance? > > > > > > Thanks, > > > > Those files and locations are: > > > > 1. apache-mynewt-core/hw/mcu/nordic/nrf52xxx/pkg.yml > > 2. apache-mynewt-core/hw/mcu/nordic/nrf52xxx/syscfg.yml > > 3. apache-mynewt-core/hw/mcu/nordic/nrf52xxx/src/nrf52_periph.c > > 4. apache-mynewt-core/hw/mcu/nordic/nrf52xxx/include/nrfx52_config.h > > 5. apache-mynewt-nimble/porting/nimble/include/syscfg/syscfg.h > > 6. apache-mynewt-nimble/porting//npl/riot/include/syscfg/syscfg.h > > > > example of changes I made: > > > > in order to use ADC_1 and ADC_6, I have to add the corresponding code > > to > > the core src file: > > apache-mynewt-core/hw/mcu/nordic/nrf52xxx/src/nrf52_periph.c shown as > > below: > > (also other file mentioned above need modified) > > > > #if MYNEWT_VAL(ADC_0) > > rc = os_dev_create(&os_bsp_adc0.ad_dev, "adc0", > > OS_DEV_INIT_KERNEL, OS_DEV_INIT_PRIO_DEFAULT, > > nrf52_adc_dev_init, &os_bsp_adc0_config); > > assert(rc == 0); > > #endif > > > > #if MYNEWT_VAL(ADC_1) > > rc = os_dev_create(&os_bsp_adc1.ad_dev, "adc1", > > OS_DEV_INIT_KERNEL, OS_DEV_INIT_PRIO_DEFAULT, > > nrf52_adc_dev_init, &os_bsp_adc1_config); > > assert(rc == 0); > > #endif > > > > #if MYNEWT_VAL(ADC_6) > > rc = os_dev_create(&os_bsp_adc6.ad_dev, "adc6", > > OS_DEV_INIT_KERNEL, OS_DEV_INIT_PRIO_DEFAULT, > > nrf52_adc_dev_init, &os_bsp_adc6_config); > > assert(rc == 0); > > #endif > > } > > > > > > > > -- > > Mo Chen > >
