26 #ifndef ANALOGBUFFERDMA_H
27 #define ANALOGBUFFERDMA_H
29 #include "DMAChannel.h"
32 class AnalogBufferDMA {
36 DMASetting _dmasettings_adc[2];
38 DMAChannel _dmachannel_adc;
40 static AnalogBufferDMA *_activeObjectPerADC[2];
41 static void adc_0_dmaISR();
42 static void adc_1_dmaISR();
43 void processADC_DMAISR();
46 AnalogBufferDMA(
volatile uint16_t *buffer1, uint16_t buffer1_count,
47 volatile uint16_t *buffer2 =
nullptr, uint16_t buffer2_count = 0) :
48 _buffer1(buffer1), _buffer1_count(buffer1_count), _buffer2(buffer2), _buffer2_count(buffer2_count) {};
50 void init(
ADC *adc, int8_t adc_num = -1);
52 void stopOnCompletion(
bool stop_on_complete);
53 inline bool stopOnCompletion(
void) {
return _stop_on_completion;}
54 bool clearCompletion();
55 inline volatile uint16_t *bufferLastISRFilled() {
return (!_buffer2 || (_interrupt_count & 1))? _buffer1 : _buffer2;}
56 inline uint16_t bufferCountLastISRFilled() {
return (!_buffer2 || (_interrupt_count & 1))? _buffer1_count : _buffer2_count;}
57 inline uint32_t interruptCount() {
return _interrupt_count;}
58 inline uint32_t interruptDeltaTime() {
return _interrupt_delta_time;}
59 inline bool interrupted() {
return _interrupt_delta_time != 0;}
60 inline void clearInterrupt() {_interrupt_delta_time = 0;}
61 inline void userData(uint32_t new_data) {_user_data = new_data;}
62 inline uint32_t userData(
void) {
return _user_data;}
65 volatile uint32_t _interrupt_count = 0;
66 volatile uint32_t _interrupt_delta_time;
67 volatile uint32_t _last_isr_time;
69 volatile uint16_t *_buffer1;
70 uint16_t _buffer1_count;
71 volatile uint16_t *_buffer2;
72 uint16_t _buffer2_count;
73 uint32_t _user_data = 0;
74 bool _stop_on_completion =
false;