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adds abstraction for connection (#111)

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This commit is contained in:
tomaszduda23
2023-03-04 18:25:16 +01:00
committed by GitHub
parent 1f9e826f2f
commit 52ac8d93a1
10 changed files with 194 additions and 75 deletions
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36
hid/lib/drivers-avr/spi.cpp
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@@ -21,7 +21,8 @@
#include "spi.h"
#ifdef CMD_SPI
#include <SPI.h>
static volatile uint8_t _spi_in[8] = {0};
static volatile uint8_t _spi_in_index = 0;
@@ -29,28 +30,26 @@ static volatile uint8_t _spi_in_index = 0;
static volatile uint8_t _spi_out[8] = {0};
static volatile uint8_t _spi_out_index = 0;
namespace DRIVERS {
void Spi::begin() {
pinMode(MISO, OUTPUT);
SPCR = (1 << SPE) | (1 << SPIE); // Slave, SPI En, IRQ En
}
void spiBegin() {
pinMode(MISO, OUTPUT);
SPCR = (1 << SPE) | (1 << SPIE); // Slave, SPI En, IRQ En
}
void Spi::periodic() {
if (!_spi_out[0] && _spi_in_index == 8) {
_data_cb((const uint8_t *)_spi_in, 8);
}
}
bool spiReady() {
return (!_spi_out[0] && _spi_in_index == 8);
}
const uint8_t *spiGet() {
return (const uint8_t *)_spi_in;
}
void spiWrite(const uint8_t *data) {
// Меджик в нулевом байте разрешает начать ответ
for (int index = 7; index >= 0; --index) {
_spi_out[index] = data[index];
void Spi::write(const uint8_t *data, size_t size) {
// Меджик в нулевом байте разрешает начать ответ
for (int index = 7; index >= 0; --index) {
_spi_out[index] = data[index];
}
}
}
ISR(SPI_STC_vect) {
uint8_t in = SPDR;
if (_spi_out[0] && _spi_out_index < 8) {
@@ -78,3 +77,4 @@ ISR(SPI_STC_vect) {
SPDR = 0;
}
}
#endif