SAADC library and drivers for nrf52832.
Dependents: acd52832_SAADC_Differential_input_EPD acd52832_Car_battery_ch acd52832_Car_battery_ch_2
Library to use aconno drivers for Nordic Semiconductor nrf52832 SAADC.
acd_nrf52_saadc.cpp@1:2d6e904c6843, 2017-08-23 (annotated)
- Committer:
- Dautor
- Date:
- Wed Aug 23 07:28:42 2017 +0000
- Revision:
- 1:2d6e904c6843
- Parent:
- 0:838e26b2ef09
- Child:
- 2:1e7d6ab5b04b
Battery read working
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Dautor | 1:2d6e904c6843 | 1 | #include "acd_nrf52_saadc.h" |
Dautor | 1:2d6e904c6843 | 2 | |
Dautor | 1:2d6e904c6843 | 3 | // add and remove analog channels -> +/- maxcnt |
Dautor | 1:2d6e904c6843 | 4 | |
Dautor | 1:2d6e904c6843 | 5 | NRF52_SAADC::NRF52_SAADC(int16_t *dataPointer) : dataPointer(dataPointer){ |
Dautor | 1:2d6e904c6843 | 6 | NRF_SAADC->ENABLE = 1; |
Dautor | 1:2d6e904c6843 | 7 | NRF_SAADC->RESULT.MAXCNT = 1; |
Dautor | 1:2d6e904c6843 | 8 | NRF_SAADC->RESULT.PTR =(uint32_t)dataPointer; |
Dautor | 1:2d6e904c6843 | 9 | NRF_SAADC->CH[0].PSELP = 9; // Input positive pin is VDD = 9 |
Dautor | 1:2d6e904c6843 | 10 | } |
Dautor | 1:2d6e904c6843 | 11 | |
Dautor | 1:2d6e904c6843 | 12 | NRF52_SAADC::~NRF52_SAADC(){ |
Dautor | 1:2d6e904c6843 | 13 | |
Dautor | 1:2d6e904c6843 | 14 | } |
Dautor | 1:2d6e904c6843 | 15 | |
Dautor | 1:2d6e904c6843 | 16 | void NRF52_SAADC::getData(){ |
Dautor | 1:2d6e904c6843 | 17 | NRF_SAADC->TASKS_START = 1; |
Dautor | 1:2d6e904c6843 | 18 | while(!NRF_SAADC->EVENTS_STARTED); |
Dautor | 1:2d6e904c6843 | 19 | NRF_SAADC->TASKS_SAMPLE = 1; |
Dautor | 1:2d6e904c6843 | 20 | while(!NRF_SAADC->EVENTS_END); |
Dautor | 1:2d6e904c6843 | 21 | while(!NRF_SAADC->EVENTS_RESULTDONE); |
Dautor | 1:2d6e904c6843 | 22 | while(!NRF_SAADC->EVENTS_DONE); |
Dautor | 1:2d6e904c6843 | 23 | //if(NRF_SAADC->RESULT.AMOUNT == 0); |
Dautor | 1:2d6e904c6843 | 24 | wait_us(20); |
Dautor | 1:2d6e904c6843 | 25 | NRF_SAADC->TASKS_STOP = 1; |
Dautor | 1:2d6e904c6843 | 26 | while(!NRF_SAADC->EVENTS_STOPPED); |
Dautor | 1:2d6e904c6843 | 27 | } |