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https://issues.apache.org/jira/browse/MYNEWT-502?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Sheela updated MYNEWT-502:
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Fix Version/s: (was: v1_1_0_rel)
> nrf52 ADC will not work if VDD4 reference is specified
> ------------------------------------------------------
>
> Key: MYNEWT-502
> URL: https://issues.apache.org/jira/browse/MYNEWT-502
> Project: Mynewt
> Issue Type: Bug
> Security Level: Public(Viewable by anyone)
> Components: BSP
> Affects Versions: v1_0_0_beta1
> Reporter: William San Filippo
> Assignee: William San Filippo
>
> There is bug in the nrf52 adc code when VDD4 reference is used. The code is
> expecting a global "init_adc_config" to have been configured prior to
> nrf52_adc_configure_channel being called (this is called through
> adc_chan_config). The BSP's are not initializing this structure. Note that
> init_adc_config gets set through a call to nrf52_adc_dev_init(). The call to
> os_dev_create() is what calls the initialization function which should end up
> calling nrf52_adc_dev_init(). Not sure exactly which structures need to be
> passed into os_dev_create() and os_dev_open(); these need to be reconciled.
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