sta-core/src/hal/spi.cpp
2022-04-09 21:49:04 +02:00

71 lines
1.4 KiB
C++

#include <sta/hal/spi.hpp>
#ifdef STA_HAL_SPI_ENABLE
namespace sta
{
HalSpiInterface::HalSpiInterface(SPI_HandleTypeDef * handle, Mutex * mutex /* = nullptr */)
: SpiInterface(mutex), handle_{handle}
{}
void HalSpiInterface::transfer(uint8_t data)
{
HAL_SPI_Transmit(handle_, &data, 1, HAL_MAX_DELAY);
}
void HalSpiInterface::transfer(const uint8_t * data, size_t size)
{
HAL_SPI_Transmit(handle_, const_cast<uint8_t *>(data), size, HAL_MAX_DELAY);
}
void HalSpiInterface::transfer16(uint16_t value)
{
HAL_SPI_Transmit(handle_, reinterpret_cast<uint8_t *>(&value), 2, HAL_MAX_DELAY);
}
void HalSpiInterface::fill(uint8_t value, size_t count)
{
for (size_t i = 0; i < count; ++i)
{
transfer(value);
}
}
void HalSpiInterface::fill32(uint32_t value, size_t count)
{
for (size_t i = 0; i < count; ++i)
{
HAL_SPI_Transmit(handle_, reinterpret_cast<uint8_t *>(&value), 4, HAL_MAX_DELAY);
}
}
void HalSpiInterface::receive(uint8_t * data, size_t size)
{
HAL_SPI_Receive(handle_, data, size, HAL_MAX_DELAY);
}
HalSpiDevice::HalSpiDevice(SpiInterface * intf, HalGpioPin csPin)
: SpiDevice(intf), csPin_{csPin}
{}
void HalSpiDevice::select()
{
STA_HAL_GPIO_PIN_WRITE(csPin_, GPIO_PIN_RESET);
}
void HalSpiDevice::deselect()
{
STA_HAL_GPIO_PIN_WRITE(csPin_, GPIO_PIN_SET);
}
} // namespace sta
#endif // STA_HAL_SPI_ENABLE