/*----------------------------------------------------------------------------*/
void uartConfigPins(struct UartBase *interface,
const struct UartBaseConfig *config)
{
/* Direction configuration is not needed for alternate function pins */
if (config->rx)
{
/* Configure UART RX pin */
const struct PinEntry * const pinEntry = pinFind(uartPins,
config->rx, interface->channel);
assert(pinEntry);
const struct Pin pin = pinInit(config->rx);
pinInput(pin);
pinSetFunction(pin, pinEntry->value);
}
if (config->tx)
{
/* Configure UART TX pin */
const struct PinEntry * const pinEntry = pinFind(uartPins,
config->tx, interface->channel);
assert(pinEntry);
const struct Pin pin = pinInit(config->tx);
pinInput(pin);
pinSetFunction(pin, pinEntry->value);
}
}
/*----------------------------------------------------------------------------*/
static uint8_t configMatchPin(uint8_t channel, PinNumber key)
{
const struct PinEntry * const pinEntry = pinFind(gpPwmPins, key, channel);
assert(pinEntry);
const struct Pin pin = pinInit(key);
pinOutput(pin, false);
pinSetFunction(pin, UNPACK_FUNCTION(pinEntry->value));
return UNPACK_CHANNEL(pinEntry->value);
}
/*----------------------------------------------------------------------------*/
static void configPins(struct I2sBase *interface,
const struct I2sBaseConfig *config)
{
const pinNumber pinArray[] = {
config->rx.sck, config->rx.ws, config->rx.sda, config->rx.mclk,
config->tx.sck, config->tx.ws, config->tx.sda, config->tx.mclk
};
for (unsigned int index = 0; index < ARRAY_SIZE(pinArray); ++index)
{
if (pinArray[index])
{
const struct PinEntry * const pinEntry = pinFind(i2sPins, pinArray[index],
interface->channel);
assert(pinEntry);
const struct Pin pin = pinInit(pinArray[index]);
pinInput(pin);
pinSetFunction(pin, pinEntry->value);
}
}
}
/*----------------------------------------------------------------------------*/
static void configPins(struct SdmmcBase *interface,
const struct SdmmcBaseConfig *config)
{
const pinNumber pinArray[] = {
config->clk,
config->cmd,
config->dat0,
config->dat1,
config->dat2,
config->dat3
};
bool wide = true;
for (unsigned int index = 0; index < ARRAY_SIZE(pinArray); ++index)
{
if (!pinArray[index])
{
/* First three pins are mandatory */
assert(index >= 3);
wide = false;
continue;
}
const struct PinEntry * const pinEntry = pinFind(sdmmcPins,
pinArray[index], 0);
assert(pinEntry);
const struct Pin pin = pinInit(pinArray[index]);
pinInput(pin);
pinSetFunction(pin, pinEntry->value);
}
interface->wide = wide;
}