void SYSCFG::init()
{
// Configure number of waitstates correctly
bool old = clockgate_enable(STM32_SYSCFG_CLOCKGATE, true);
union STM32_SYSCFG_REG_TYPE::MEMRMP MEMRMP = { 0 };
MEMRMP.b.MEM_MODE = 0;
STM32_SYSCFG_REGS.MEMRMP.d32 = MEMRMP.d32;
clockgate_enable(STM32_SYSCFG_CLOCKGATE, old);
}
static void i2c_off(int bus)
{
/* serial output off */
wait_rdy(bus);
IICSTAT(bus) = 0;
/* disable I2C clock */
wait_rdy(bus);
clockgate_enable(I2CCLKGATE(bus), false);
}
void SYSCFG::setMIIMode(bool rmii)
{
bool old = clockgate_enable(STM32_SYSCFG_CLOCKGATE, true);
STM32_SYSCFG_REGS.PMC.b.MII_RMII = (typeof(STM32_SYSCFG_REGS.PMC.b.MII_RMII))rmii;
clockgate_enable(STM32_SYSCFG_CLOCKGATE, old);
}
void SPI::deselect() const
{
clockgate_enable(spi_clocks[index], false);
}
static void i2c_on(int bus)
{
/* enable I2C clock */
clockgate_enable(I2CCLKGATE(bus), true);
}
