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added callback functionality to spi

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This commit is contained in:
Robin Müller
2021-05-23 21:34:59 +02:00
parent a0f698fffa
commit 9203a30bcf
5 changed files with 166 additions and 70 deletions
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40
linux/spi/SpiCookie.cpp
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@ -1,14 +1,33 @@
#include "SpiCookie.h"
SpiCookie::SpiCookie(address_t spiAddress, gpioId_t chipSelect, std::string spiDev,
const size_t maxSize, spi::SpiModes spiMode, uint32_t spiSpeed): spiAddress(spiAddress),
chipSelectPin(chipSelect), spiDevice(spiDev), maxSize(maxSize), spiMode(spiMode),
spiSpeed(spiSpeed) {
const size_t maxSize, spi::SpiModes spiMode, uint32_t spiSpeed):
SpiCookie(spi::SpiComIfModes::REGULAR, spiAddress, chipSelect, spiDev, maxSize, spiMode,
spiSpeed, nullptr, nullptr) {
}
SpiCookie::SpiCookie(address_t spiAddress, std::string spiDev, const size_t maxSize,
spi::SpiModes spiMode, uint32_t spiSpeed):
SpiCookie(spiAddress, gpio::NO_GPIO, spiDev, maxSize, spiMode, spiSpeed) {
SpiCookie(spiAddress, gpio::NO_GPIO, spiDev, maxSize, spiMode, spiSpeed) {
}
SpiCookie::SpiCookie(address_t spiAddress, std::string spiDev, const size_t maxSize,
spi::send_callback_function_t callback, void *args):
SpiCookie(spi::SpiComIfModes::CALLBACK, spiAddress, gpio::NO_GPIO, spiDev, maxSize,
spi::SpiModes::MODE_0, 0, callback, args) {
}
SpiCookie::SpiCookie(spi::SpiComIfModes comIfMode, address_t spiAddress, gpioId_t chipSelect,
std::string spiDev, const size_t maxSize, spi::SpiModes spiMode, uint32_t spiSpeed,
spi::send_callback_function_t callback, void* args): spiAddress(spiAddress),
chipSelectPin(chipSelect), spiDevice(spiDev), comIfMode(comIfMode),
maxSize(maxSize), spiMode(spiMode), spiSpeed(spiSpeed), sendCallback(callback),
callbackArgs(args) {
}
spi::SpiComIfModes SpiCookie::getComIfMode() const {
return this->comIfMode;
}
void SpiCookie::getSpiParameters(spi::SpiModes& spiMode, uint32_t& spiSpeed,
@ -78,6 +97,13 @@ void SpiCookie::assignWriteBuffer(const uint8_t* tx) {
}
}
void SpiCookie::setCallbackMode(spi::send_callback_function_t callback,
void *args) {
this->comIfMode = spi::SpiComIfModes::CALLBACK;
this->sendCallback = callback;
this->callbackArgs = args;
}
spi_ioc_transfer* SpiCookie::getTransferStructHandle() {
return &spiTransferStruct;
}
@ -105,3 +131,9 @@ void SpiCookie::setSpiSpeed(uint32_t newSpeed) {
void SpiCookie::setSpiMode(spi::SpiModes newMode) {
this->spiMode = newMode;
}
void SpiCookie::getCallback(spi::send_callback_function_t *callback,
void **args) {
*callback = this->sendCallback;
*args = this->callbackArgs;
}