26 #ifndef RINGBUFFERDMA_H 27 #define RINGBUFFERDMA_H 30 #include "DMAChannel.h" 39 RingBufferDMA(
volatile int16_t* elems, uint32_t len, uint8_t ADC_num = 0);
54 void start(
void (*call_dma_isr)(
void));
62 uint16_t
size() {
return b_size; }
96 uint16_t increase(uint16_t p);
98 volatile uint32_t*
const ADC_RA;
106 #endif // RINGBUFFERDMA_H Definition: RingBufferDMA.h:35
uint16_t b_start
Start pointer: Read here.
Definition: RingBufferDMA.h:77
bool isEmpty()
Returns true if the buffer is empty.
Definition: RingBufferDMA.cpp:96
RingBufferDMA(volatile int16_t *elems, uint32_t len, uint8_t ADC_num=0)
Constructor, buffer has a size len and stores the conversions of ADC number ADC_num.
Definition: RingBufferDMA.cpp:29
DMAChannel * dmaChannel
DMAChannel to handle all low level DMA code.
Definition: RingBufferDMA.h:68
bool isFull()
Returns true if the buffer is full.
Definition: RingBufferDMA.cpp:89
uint16_t size()
Length of the buffer.
Definition: RingBufferDMA.h:62
void start(void(*call_dma_isr)(void))
Start DMA operation.
Definition: RingBufferDMA.cpp:46
~RingBufferDMA()
Destructor.
Definition: RingBufferDMA.cpp:81
volatile int16_t *const p_elems
Pointer to the elements of the buffer.
Definition: RingBufferDMA.h:82
volatile int16_t *const buffer()
Pointer to the data.
Definition: RingBufferDMA.h:65
int16_t read()
Read a value from the buffer, make sure it's not emtpy by calling isEmpty() first.
Definition: RingBufferDMA.cpp:120
uint16_t b_end
End pointer: Write here.
Definition: RingBufferDMA.h:79
void write()
Write a value into the buffer.
Definition: RingBufferDMA.cpp:105