Spi Gpio::allocateSpi() {
std::lock_guard<std::mutex> lock(mutex_);
if (::demo::isVerbose) {
std::cout << "Allocating SPI pins" << std::endl;
}
// The pin number is reduced by 2 as the GPIO pins range from 2 to 27, but the array's indices range from 0 to 25.
if (ownedPins_.at(5) || ownedPins_.at(6) || ownedPins_.at(7) || ownedPins_.at(8) || ownedPins_.at(9)) {
throw std::runtime_error("The SPI pins must not already be allocated");
}
// The pin number is reduced by 2 as the GPIO pins range from 2 to 27, but the array's indices range from 0 to 25.
ownedPins_.at(5) = true;
ownedPins_.at(6) = true;
ownedPins_.at(7) = true;
ownedPins_.at(8) = true;
ownedPins_.at(9) = true;
return Spi();
}
int main() {
auto ledStripG = GpioB[5];
DmaStream dma(2, 3, 3);
auto ledStripS = Spi(1, &dma);
//auto ledStripS = Spi(1);
LedStrip ledStrip(ledStripS);
ledStripG
.setPushPull()
.setDirection(Gpio::OUTPUT)
.setSpeed(Gpio::SPEED_100MHz);
ledStripG = false;
time.msleep(2);
ledStripG = true;
time.msleep(2);
ledStripG = false;
time.msleep(2);
ledStripG = true;
ledStripS.configGpio(ledStripG);
time.msleep(4);
int l = 0;
while(1) {
for(int i=0; i<71; ++i) {
if(l==i)
ledStrip.push(0, 255, 0);
else
ledStrip.push(6, 0, 0);
}
ledStrip.push(0, 0, 0);
l++;
l %= 72;
ledStrip.reset();
//time.msleep(200);
}
}
