/*********************************************************************//**
* @brief Configure Pulse divider for IrDA function on UART peripheral.
* @param[in] UARTx UART peripheral selected, should be LPC_UART3 (only)
* @param[in] PulseDiv Pulse Divider value from Peripheral clock,
* should be one of the following:
- UART_IrDA_PULSEDIV2 : Pulse width = 2 * Tpclk
- UART_IrDA_PULSEDIV4 : Pulse width = 4 * Tpclk
- UART_IrDA_PULSEDIV8 : Pulse width = 8 * Tpclk
- UART_IrDA_PULSEDIV16 : Pulse width = 16 * Tpclk
- UART_IrDA_PULSEDIV32 : Pulse width = 32 * Tpclk
- UART_IrDA_PULSEDIV64 : Pulse width = 64 * Tpclk
- UART_IrDA_PULSEDIV128 : Pulse width = 128 * Tpclk
- UART_IrDA_PULSEDIV256 : Pulse width = 256 * Tpclk
* @return none
**********************************************************************/
void UART_IrDAPulseDivConfig(LPC_UART_TypeDef *UARTx, UART_IrDA_PULSE_Type PulseDiv)
{
uint32_t tmp, tmp1;
CHECK_PARAM(PARAM_UART_IrDA(UARTx));
CHECK_PARAM(PARAM_UART_IrDA_PULSEDIV(PulseDiv));
tmp1 = UART_ICR_PULSEDIV(PulseDiv);
tmp = UARTx->ICR & (~UART_ICR_PULSEDIV(7));
tmp |= tmp1 | UART_ICR_FIXPULSE_EN;
UARTx->ICR = tmp & UART_ICR_BITMASK;
}
/*********************************************************************//**
* @brief Enable or disable IrDA function on UART peripheral.
* @param[in] UARTx UART peripheral selected, should be LPC_UART3 (only)
* @param[in] NewState New state of IrDA function, should be:
* - ENABLE: Enable this function.
* - DISABLE: Disable this function.
* @return none
**********************************************************************/
void UART_IrDACmd(LPC_UART_TypeDef* UARTx, FunctionalState NewState)
{
CHECK_PARAM(PARAM_UART_IrDA(UARTx));
CHECK_PARAM(PARAM_FUNCTIONALSTATE(NewState));
if (NewState == ENABLE)
{
UARTx->ICR |= UART_ICR_IRDAEN;
}
else
{
UARTx->ICR &= (~UART_ICR_IRDAEN) & UART_ICR_BITMASK;
}
}
/*********************************************************************//**
* @brief Enable or disable inverting serial input function of IrDA
* on UART peripheral.
* @param[in] UARTx UART peripheral selected, should be UART3 (only)
* @param[in] NewState New state of inverting serial input, should be:
* - ENABLE: Enable this function.
* - DISABLE: Disable this function.
* @return none
**********************************************************************/
void UART_IrDAInvtInputCmd(UART_TypeDef* UARTx, FunctionalState NewState)
{
CHECK_PARAM(PARAM_UART_IrDA(UARTx));
CHECK_PARAM(PARAM_FUNCTIONALSTATE(NewState));
if (NewState == ENABLE)
{
UARTx->ICR |= UART_ICR_IRDAINV;
}
else if (NewState == DISABLE)
{
UARTx->ICR &= (~UART_ICR_IRDAINV) & UART_ICR_BITMASK;
}
}
