eive/eive-obsw
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rw chip select decoding

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This commit is contained in:
Jakob Meier
2021-06-21 17:15:19 +02:00
parent 428ae97e0e
commit 8d8bb41334
6 changed files with 57 additions and 11 deletions
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34
bsp_q7s/gpio/gpioCallbacks.cpp
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@ -45,11 +45,13 @@ void initSpiCsDecoder(GpioIF* gpioComIF) {
GpiodRegular* spiMuxBit6 = new GpiodRegular(std::string("gpiochip7"), 18,
std::string("SPI Mux Bit 6"), gpio::OUT, 0);
spiMuxGpios->addGpio(gpioIds::SPI_MUX_BIT_6, spiMuxBit6);
GpiodRegular* enRwDecoder = new GpiodRegular(std::string("gpiochip5"), 17,
std::string("EN_RW_CS"), gpio::OUT, 0);
spiMuxGpios->addGpio(gpioIds::EN_RW_CS, enRwDecoder);
result = gpioComInterface->addGpios(spiMuxGpios);
if (result != HasReturnvaluesIF::RETURN_OK) {
sif::error << "initSpiCsDecoder: Failed to add mux bit gpios to gpioComIF"
<< std::endl;
sif::error << "initSpiCsDecoder: Failed to add mux bit gpios to gpioComIF" << std::endl;
return;
}
}
@ -218,6 +220,26 @@ void spiCsDecoderCallback(gpioId_t gpioId, gpio::GpioOperation gpioOp, int value
selectY6();
break;
}
case(gpioIds::EN_RW1): {
enableRwDecoder();
selectY0();
break;
}
case(gpioIds::EN_RW2): {
enableRwDecoder();
selectY1();
break;
}
case(gpioIds::EN_RW3): {
enableRwDecoder();
selectY3();
break;
}
case(gpioIds::EN_RW4): {
enableRwDecoder();
selectY4();
break;
}
default:
sif::debug << "spiCsDecoderCallback: Invalid gpio id " << gpioId << std::endl;
}
@ -251,6 +273,13 @@ void enableDecoderInterfaceBoardIc2() {
gpioComInterface->pullHigh(gpioIds::SPI_MUX_BIT_3);
}
void enableRwDecoder() {
gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_1);
gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_2);
gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_3);
gpioComInterface->pullHigh(gpioIds::EN_RW_CS);
}
void selectY0() {
gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_4);
gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_5);
@ -303,6 +332,7 @@ void disableAllDecoder() {
gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_1);
gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_2);
gpioComInterface->pullLow(gpioIds::SPI_MUX_BIT_3);
gpioComInterface->pullLow(gpioIds::EN_RW_CS);
}
}