diff options
Diffstat (limited to 'uc_str912/prj_template91x/str91x_lib/src/91x_uart.c')
| -rw-r--r-- | uc_str912/prj_template91x/str91x_lib/src/91x_uart.c | 658 |
1 files changed, 0 insertions, 658 deletions
diff --git a/uc_str912/prj_template91x/str91x_lib/src/91x_uart.c b/uc_str912/prj_template91x/str91x_lib/src/91x_uart.c deleted file mode 100644 index 3c87216..0000000 --- a/uc_str912/prj_template91x/str91x_lib/src/91x_uart.c +++ /dev/null @@ -1,658 +0,0 @@ -/******************** (C) COPYRIGHT 2006 STMicroelectronics ********************
-* File Name : 91x_uart.c
-* Author : MCD Application Team
-* Date First Issued : 05/18/2006 : Version 1.0
-* Description : This file provides all the UART software functions.
-********************************************************************************
-* History:
-* 05/24/2006 : Version 1.1
-* 05/18/2006 : Version 1.0
-********************************************************************************
-* THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
-* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
-* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
-* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE
-* CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING
-* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
-*******************************************************************************/
-
-/* Includes ------------------------------------------------------------------*/
-#include "91x_uart.h"
-#include "91x_scu.h"
-
-/* Private typedef -----------------------------------------------------------*/
-/* Private define ------------------------------------------------------------*/
-/* UART IrDA Mask */
-#define UART_IrDA_Disable_Mask 0xFFFD /* IrDA Disable Mask */
-#define UART_IrDA_Enable_Mask 0x0002 /* IrDA Enable Mask */
-#define IrDA_LowPower_Enable_Mask 0x0004 /*IrDA lower power mode enable*/
-#define IrDA_LowPower_Disable_Mask 0xFFFB /*IrDA lower power mode enable*/
-
-/* UART Mask */
-#define UART_Enable_Mask 0x0001 /* UART Enable Mask */
-#define UART_Disable_Mask 0xFFFE /* UART Disable Mask */
-
-/* UART LoopBack */
-#define UART_LoopBack_Disable_Mask 0xFF7F /* LoopBack Disable Mask */
-#define UART_LoopBack_Enable_Mask 0x0080 /* LoopBack Enable Mask */
-
-#define UART_WordLength_Mask 0xFF9F /* UART Word Length Mask */
-#define UART_Parity_Mask 0xFF79 /* UART Parity Mask */
-#define UART_HardwareFlowControl_Mask 0x3FFF /* UART Hardware Flow Control Mask */
-#define UART_TxRxFIFOLevel_Mask 0xFFC0 /* UART Tx Rx FIFO Level Mask */
-#define UART_BreakChar_Mask 0x0001 /* UART Break Character send Mask*/
-#define UART_FLAG_Mask 0x1F /* UART Flag Mask */
-#define UART_Mode_Mask 0xFCFF /* UART Mode Mask */
-#define UART_RTS_LowLevel_Mask 0x0800 /* RTS signal is low */
-#define UART_RTS_HighLevel_Mask 0xF7FF /* RTS signal is High */
-#define UART_DTR_LowLevel_Mask 0x0400 /* DTR signal is low */
-#define UART_DTR_HighLevel_Mask 0xFBFF /* DTR signal is High */
-#define UART_ClearFlag_Mask 0xAA /* Clear Flag Mask */
-
-/* Private macro -------------------------------------------------------------*/
-/* Private variables ---------------------------------------------------------*/
-/* Private function prototypes -----------------------------------------------*/
-/* Private functions ---------------------------------------------------------*/
-
- /*******************************************************************************
-* Function Name : UART_DeInit
-* Description : Deinitializes the UARTx peripheral registers
-* to their default reset values.
-* Input : UARTx: where x can be 0,1 or 2 to select the UART peripheral.
-* Output : None
-* Return : None
-*******************************************************************************/
-void UART_DeInit(UART_TypeDef* UARTx)
-{
- /* Reset the UARTx registers values */
- if(UARTx == UART0)
- {
- SCU_APBPeriphReset(__UART0,ENABLE);
- SCU_APBPeriphReset(__UART0,DISABLE);
- }
- else if(UARTx == UART1)
- {
- SCU_APBPeriphReset(__UART1,ENABLE);
- SCU_APBPeriphReset(__UART1,DISABLE);
- }
- else if(UARTx == UART2)
- {
- SCU_APBPeriphReset(__UART2,ENABLE);
- SCU_APBPeriphReset(__UART2,DISABLE);
- }
-}
-
-/*******************************************************************************
-* Function Name : UART_Init
-* Description : Initializes the UARTx peripheral according to the specified
-* parameters in the UART_InitStruct .
-* Input : - UARTx: where x can be 0,1or 2 to select the UART peripheral.
-* - UART_InitStruct: pointer to a UART_InitTypeDef structure
-* that contains the configuration information for the
-* specified UART peripheral.
-* Output : None
-* Return : None
-*******************************************************************************/
-void UART_Init(UART_TypeDef* UARTx, UART_InitTypeDef* UART_InitStruct)
-{
-
- u64 UART_MainClock = 0;
- u32 IntegerDivider = 0;
- u32 FractionalDivider = 0;
-
- /* Clear the LCR[6:5] bits */
- UARTx->LCR &= UART_WordLength_Mask;
- /* Set the LCR[6:5] bits according to UART_WordLength value */
- UARTx->LCR |= UART_InitStruct->UART_WordLength;
-
- /* Choose Stop Bits */
- if(UART_InitStruct->UART_StopBits == UART_StopBits_2)
- {
- /* 2 Stop Bit */
- UARTx->LCR |= UART_StopBits_2;
- }
- else
- {
- /* One Stop Bits */
- UARTx->LCR &= UART_StopBits_1;
- }
-
- /* Configure the Parity */
- /* Clear the LCR[7]and LCR[2:1] bits */
- UARTx->LCR &= UART_Parity_Mask;
- /* Set the LCR[7]and LCR[2:1] bits according to UART_Parity value */
- UARTx->LCR |= UART_InitStruct->UART_Parity;
-
- /* Configure the BaudRate */
- UART_MainClock = (SCU_GetMCLKFreqValue())*1000;
- if((SCU->CLKCNTR & 0x200) != 0x200)
- {
- UART_MainClock = UART_MainClock/2;
- }
- /* Determine the integer part */
- IntegerDivider = ((100) * (UART_MainClock) / (16 * (UART_InitStruct->UART_BaudRate)));
- UARTx->IBRD = IntegerDivider / 100;
-
- /* Determine the fractional part */
- FractionalDivider = IntegerDivider - (100 * (UARTx->IBRD));
- UARTx->FBRD = ((((FractionalDivider * 64) + 50) / 100));
-
- /* Choose the Hardware Flow Control */
- /* Clear the CR[15:14] bits */
- UARTx->CR &= UART_HardwareFlowControl_Mask;
- /* Set the CR[15:14] bits according to UART_HardwareFlowControl value */
- UARTx->CR |= UART_InitStruct->UART_HardwareFlowControl;
-
- /* Configure the UART mode */
- /* Clear the CR[9:8] bits */
- UARTx->CR &= UART_Mode_Mask;
- /* Set the CR[9:8] bits according to UART_Mode value */
- UARTx->CR |= UART_InitStruct->UART_Mode;
-
- /* Enable or disable the FIFOs */
- /* Set the FIFOs Levels */
- if(UART_InitStruct->UART_FIFO == UART_FIFO_Enable)
- {
- /* Enable the FIFOs */
- UARTx->LCR |= UART_FIFO_Enable;
-
- /* Clear TXIFLSEL and RXIFLSEL bits */
- UARTx->IFLS &= UART_TxRxFIFOLevel_Mask;
-
- /* Set RXIFLSEL bits according to UART_RxFIFOLevel value */
- UARTx->IFLS |= (UART_InitStruct->UART_RxFIFOLevel << 3);
-
- /* Set TXIFLSEL bits according to UART_TxFIFOLevel value */
- UARTx->IFLS |= UART_InitStruct->UART_TxFIFOLevel;
- }
- else
- {
- /* Disable the FIFOs */
- UARTx->LCR &= UART_FIFO_Disable;
- }
-}
-
-/*******************************************************************************
-* Function Name : UART_StructInit
-* Description : Fills each UART_InitStruct member with its reset value.
-* Input : UART_InitStruct: pointer to a UART_InitTypeDef structure which
-* will be initialized.
-* Output : None
-* Return : None
-*******************************************************************************/
-void UART_StructInit(UART_InitTypeDef* UART_InitStruct)
-{
- /* Reset the UART_InitStruct members */
- UART_InitStruct->UART_WordLength = UART_WordLength_8D;
- UART_InitStruct->UART_StopBits = UART_StopBits_1;
- UART_InitStruct->UART_Parity = UART_Parity_Odd ;
- UART_InitStruct->UART_BaudRate = 9600;
- UART_InitStruct->UART_HardwareFlowControl = UART_HardwareFlowControl_None;
- UART_InitStruct->UART_Mode = UART_Mode_Tx_Rx;
- UART_InitStruct->UART_FIFO = UART_FIFO_Enable;
- UART_InitStruct->UART_TxFIFOLevel = UART_FIFOLevel_1_2;
- UART_InitStruct->UART_RxFIFOLevel = UART_FIFOLevel_1_2;
-}
-
-/*******************************************************************************
-* Function Name : UART_Cmd
-* Description : Enables or disables the specified UART peripheral.
-* Input : - UARTx: where x can be 0,1 or 2 to select the UART peripheral
-* - NewState: new state of the UARTx peripheral.
-* This parameter can be: ENABLE or DISABLE.
-* Output : None
-* Return : None
-*******************************************************************************/
-void UART_Cmd(UART_TypeDef* UARTx, FunctionalState NewState)
-{
- if (NewState == ENABLE)
- {
- /* Enable the selected UART by setting the UARTEN bit in the CR register */
- UARTx->CR |= UART_Enable_Mask;
- }
- else
- {
- /* Disable the selected UART by clearing the UARTEN bit in the CR register */
- UARTx->CR &= UART_Disable_Mask;
- }
-}
-
-/*******************************************************************************
-* Function Name : UART_ITConfig
-* Description : Enables or disables the specified UART interrupts.
-* Input : - UARTx: where x can be 0,1 or 2 to select the UART peripheral
-* - UART_IT: specifies the UART interrupts sources to be
-* enabled or disabled. This parameter can be any combination
-* of the following values:
-* - UART_IT_OverrunError: Overrun Error interrupt
-* - UART_IT_BreakError: Break Error interrupt
-* - UART_IT_ParityError: Parity Error interrupt
-* - UART_IT_FrameError: Frame Error interrupt
-* - UART_IT_ReceiveTimeOut: Receive Time Out interrupt
-* - UART_IT_Transmit: Transmit interrupt
-* - UART_IT_Receive: Receive interrupt
-* - UART_IT_DSR: DSR interrupt
-* - UART_IT_DCD: DCD interrupt
-* - UART_IT_CTS: CTS interrupt
-* - UART_IT_RI: RI interrupt
-* - NewState: new state of the UARTx peripheral.
-* This parameter can be: ENABLE or DISABLE.
-* Output : None
-* Return : None
-*******************************************************************************/
-void UART_ITConfig(UART_TypeDef* UARTx, u16 UART_IT, FunctionalState NewState)
-{
- if(NewState == ENABLE)
- {
- /* Enables the selected interrupts */
- UARTx->IMSC |= UART_IT;
- }
- else
- {
- /* Disables the selected interrupts */
- UARTx->IMSC &= ~UART_IT;
- }
-}
-
-/*******************************************************************************
-* Function Name : UART_DMAConfig
-* Description : Configures the UARTxs DMA interface.
-* Input : - UARTx: where x can be 1 or 2 to select the UART peripheral
-* - UART_DMAOnError: specifies the DMA on error request.
-* This parameter can be:
-* - UART_DMAOnError_Enable: DMA receive request enabled
-* when the UART error interrupt is asserted.
-* - UART_DMAOnError_Disable: DMA receive request disabled
-* when the UART error interrupt is asserted.
-* Output : None
-* Return : None
-*******************************************************************************/
-void UART_DMAConfig(UART_TypeDef* UARTx, u16 UART_DMAOnError)
-{
- if(UART_DMAOnError == UART_DMAOnError_Enable)
- {
- UARTx->DMACR &= UART_DMAOnError_Enable;
- }
- else
- {
- UARTx->DMACR |= UART_DMAOnError_Disable;
- }
-}
-
-/*******************************************************************************
-* Function Name : UART_DMACmd
-* Description : Enables or disables the UARTxs DMA interface.
-* Input : - UARTx: where x can be 1 or 2 to select the UART peripheral
-* - UART_DMAReq: enables or disables the request of DMA from UART.
-* This parameter can be:
-* - UART_DMAReq_Tx: Transmit DMA Enable
-* - UART_DMAReq_Rx: Receive DMA Enable
-* - NewState: new state of the UARTx peripheral.
-* This parameter can be: ENABLE or DISABLE.
-* Output : None
-* Return : None
-*******************************************************************************/
-void UART_DMACmd(UART_TypeDef* UARTx, u8 UART_DMAReq, FunctionalState NewState)
-{
- if(UART_DMAReq == UART_DMAReq_Tx)
- {
- if(NewState == ENABLE)
- {
- UARTx->DMACR |= UART_DMAReq_Tx;
- }
- else
- {
- UARTx->DMACR &= ~UART_DMAReq_Tx;
- }
- }
-
- if(UART_DMAReq == UART_DMAReq_Rx)
- {
- if(NewState == ENABLE)
- {
- UARTx->DMACR |= UART_DMAReq_Rx;
- }
- else
- {
- UARTx->DMACR &= ~UART_DMAReq_Rx;
- }
- }
-}
-
-/*******************************************************************************
-* Function Name : UART_LoopBackConfig
-* Description : Enables or disables the LoopBack mode.
-* Input : - UARTx: where x can be 0,1 or 2 to select the UART peripheral
-* - NewState: new state of the UARTx peripheral.
-* This parameter can be: ENABLE or DISABLE.
-* Output : None
-* Return : None
-*******************************************************************************/
-void UART_LoopBackConfig(UART_TypeDef* UARTx, FunctionalState NewState)
-{
- if (NewState == ENABLE)
- {
- /* Enable the LoopBack mode of the specified UART */
- UARTx->CR |= UART_LoopBack_Enable_Mask;
- }
- else
- {
- /* Disable the LoopBack mode of the specified UART */
- UARTx->CR &= UART_LoopBack_Disable_Mask;
- }
-}
-
-/*******************************************************************************
-* Function Name : UART_GetFlagStatus
-* Description : Checks whether the specified UART flag is set or not.
-* Input : - UARTx: where x can be 0,1 or 2 to select the UART peripheral
-* - UART_FLAG: specifies the flag to check.
-* This parameter can be one of the following values:
-* - UART_FLAG_OverrunError: Overrun error flag
-* - UART_FLAG_Break: break error flag
-* - UART_FLAG_ParityError: parity error flag
-* - UART_FLAG_FrameError: frame error flag
-* - UART_FLAG_RI: RI flag
-* - UART_FLAG_TxFIFOEmpty: Transmit FIFO Empty flag
-* - UART_FLAG_RxFIFOFull: Receive FIFO Full flag
-* - UART_FLAG_TxFIFOFull: Transmit FIFO Full flag
-* - UART_FLAG_RxFIFOEmpty: Receive FIFO Empty flag
-* - UART_FLAG_Busy: UART Busy flag
-* - UART_FLAG_CTS: CTS flag
-* - UART_FLAG_DCD: DCD flag
-* - UART_FLAG_DSR: DSR flag
-* - UART_RawIT_OverrunError: Overrun Error interrupt flag
-* - UART_RawIT_BreakError: Break Error interrupt flag
-* - UART_RawIT_ParityError: Parity Error interrupt flag
-* - UART_RawIT_FrameError: Frame Error interrupt flag
-* - UART_RawIT_ReceiveTimeOut: ReceiveTimeOut interrupt flag
-* - UART_RawIT_Transmit: Transmit interrupt flag
-* - UART_RawIT_Receive: Receive interrupt flag
-* - UART_RawIT_DSR: DSR interrupt flag
-* - UART_RawIT_DCD: DCD interrupt flag
-* - UART_RawIT_CTS: CTS interrupt flag
-* - UART_RawIT_RI: RI interrupt flag
-* Output : None
-* Return : The new state of UART_FLAG (SET or RESET).
-*******************************************************************************/
-FlagStatus UART_GetFlagStatus(UART_TypeDef* UARTx, u16 UART_FLAG)
-{
-
- u32 UARTReg = 0, FlagPos = 0;
- u32 StatusReg = 0;
-
- /* Get the UART register index */
- UARTReg = UART_FLAG >> 5;
-
- /* Get the flag position */
- FlagPos = UART_FLAG & UART_FLAG_Mask;
-
- if(UARTReg == 1) /* The flag to check is in RSR register */
- {
- StatusReg = UARTx->RSECR;
- }
- else if (UARTReg == 2) /* The flag to check is in FR register */
- {
- StatusReg = UARTx->FR;
- }
- else if(UARTReg == 3) /* The flag to check is in RIS register */
- {
- StatusReg = UARTx->RIS;
- }
-
- if((StatusReg & (1 << FlagPos))!= RESET)
- {
- return SET;
- }
- else
- {
- return RESET;
- }
-}
-
-/*******************************************************************************
-* Function Name : UART_ClearFlag
-* Description : Clears the UARTxs flags(Frame, Parity, Break, Overrun error).
-* Input : - UARTx: where x can be 0,1or 2 to select the UART peripheral.
-* Output : None
-* Return : None
-*******************************************************************************/
-void UART_ClearFlag(UART_TypeDef* UARTx)
-{
- /* Clear the flag */
- UARTx->RSECR = UART_ClearFlag_Mask;
-}
-
-/*******************************************************************************
-* Function Name : UART_GetITStatus
-* Description : Checks whether the specified UART interrupt has occured or not.
-* Input : - UARTx: where x can be 0,1or 2 to select the UART peripheral.
-* - UART_IT: specifies the interrupt pending bit to be checked.
-* This parameter can be one of the following values:
-* - UART_IT_OverrunError: Overrun Error interrupt
-* - UART_IT_BreakError: Break Error interrupt
-* - UART_IT_ParityError: Parity Error interrupt
-* - UART_IT_FrameError: Frame Error interrupt
-* - UART_IT_ReceiveTimeOut: Receive Time Out interrupt
-* - UART_IT_Transmit: Transmit interrupt
-* - UART_IT_Receive: Receive interrupt
-* - UART_IT_DSR: DSR interrupt
-* - UART_IT_DCD: DCD interrupt
-* - UART_IT_CTS: CTS interrupt
-* - UART_IT_RI: RI interrupt
-* Output : None
-* Return : The new state of UART_IT (SET or RESET).
-*******************************************************************************/
-ITStatus UART_GetITStatus(UART_TypeDef* UARTx, u16 UART_IT)
-{
- if((UARTx->MIS & UART_IT) != RESET)
- {
- return SET;
- }
- else
- {
- return RESET;
- }
-}
-
-/*******************************************************************************
-* Function Name : UART_ClearITPendingBit
-* Description : Clears the UARTxs interrupt pending bits.
-* Input : - UARTx: where x can be 0,1or 2 to select the UART peripheral.
-* - UART_IT: specifies the interrupt pending bit to clear.
-* More than one interrupt can be cleared using the | operator.
-* This parameter can be:
-* - UART_IT_OverrunError: Overrun Error interrupt
-* - UART_IT_BreakError: Break Error interrupt
-* - UART_IT_ParityError: Parity Error interrupt
-* - UART_IT_FrameError: Frame Error interrupt
-* - UART_IT_ReceiveTimeOut: Receive Time Out interrupt
-* - UART_IT_Transmit: Transmit interrupt
-* - UART_IT_Receive: Receive interrupt
-* - UART_IT_DSR: DSR interrupt
-* - UART_IT_DCD: DCD interrupt
-* - UART_IT_CTS: CTS interrupt
-* - UART_IT_RI: RI interrupt
-* Output : None
-* Return : None
-*******************************************************************************/
-void UART_ClearITPendingBit(UART_TypeDef* UARTx, u16 UART_IT)
-{
- /* Clear the specified interrupt */
- UARTx->ICR = UART_IT;
-}
-
-/*******************************************************************************
-* Function Name : UART_IrDALowPowerConfig
-* Description : Sets the IrDA low power mode
-* Input : - IrDAx: where x can be 0,1 or 2 to select the UART/IrDA peripheral.
-* - NewState: new state of the UARTIrDA peripheral.
-* This parameter can be: ENABLE or DISABLE.
-* Output : None
-* Return : None
-*******************************************************************************/
-void UART_IrDALowPowerConfig(u8 IrDAx, FunctionalState NewState)
-{
- UART_TypeDef* UARTx;
-
- switch(IrDAx)
- {
- case IrDA0: UARTx = UART0;
- break;
- case IrDA1: UARTx = UART1;
- break;
- case IrDA2: UARTx = UART2;
- break;
- }
-
- if (NewState == ENABLE)
- {
- UARTx->CR |= IrDA_LowPower_Enable_Mask;
- }
- else
- {
- UARTx->CR &= IrDA_LowPower_Disable_Mask;
- }
-}
-
-/*******************************************************************************
-* Function Name : UART_IrDASetCounter
-* Description : Sets the IrDA counter divisor value.
-* Input : - UARTx: where x can be 0,1 or 2 to select the UART/IrDA peripheral.
-* - IrDA_Counter: IrDA counter divisor new value n low power mode(Hz).
-* Output : None
-* Return : None
-*******************************************************************************/
-void UART_IrDASetCounter(u8 IrDAx, u32 IrDA_Counter)
-{
- UART_TypeDef* UARTx;
- u32 APBClock;
- switch(IrDAx)
- {
- case IrDA0: UARTx = UART0;
- break;
- case IrDA1: UARTx = UART1;
- break;
- case IrDA2: UARTx = UART2;
- break;
- }
- /* Get the APB frequency */
- APBClock = (SCU_GetPCLKFreqValue())*1000;
- /* Determine the Counter Divisor part */
- UARTx->ILPR = (((APBClock*10) / ( IrDA_Counter)) + 5 )/10;
- }
-
-/*******************************************************************************
-* Function Name : UART_IrDACmd
-* Description : Enables or disables the UARTxs IrDA interface.
-* Input : - IrDAx: where x can be 0,1 or 2 to select the UART/IrDA peripheral
-* - NewState: new state of the UARTx peripheral.
-* This parameter can be: ENABLE or DISABLE.
-* Output : None
-* Return : None
-*******************************************************************************/
-void UART_IrDACmd(u8 IrDAx, FunctionalState NewState)
-{
- UART_TypeDef* UARTx;
-
- switch(IrDAx)
- {
- case IrDA0: UARTx = UART0;
- break;
- case IrDA1: UARTx = UART1;
- break;
- case IrDA2: UARTx = UART2;
- break;
- }
- if(NewState == ENABLE)
- {
- /* Enable the IrDA mode of the specified UART */
- UARTx->CR |= UART_IrDA_Enable_Mask;
- }
- else
- {
- /* Disable the IrDA mode of the specified UART */
- UARTx->CR &= UART_IrDA_Disable_Mask;
- }
-}
-
-/*******************************************************************************
-* Function Name : UART_SendData
-* Description : Transmits signle Byte of data through the UARTx peripheral.
-* Input : - UARTx: where x can be 0,1 or 2 to select the UART peripheral.
-* - Data: the byte to transmit
-* Output : None
-* Return : None
-*******************************************************************************/
-void UART_SendData(UART_TypeDef* UARTx, u8 Data)
-{
- /* Transmit one byte */
- UARTx->DR = Data;
-}
-
-/*******************************************************************************
-* Function Name : UART_ReceiveData
-* Description : Returns the most recent received Byte by the UARTx peripheral.
-* Input : UARTx: where x can be 0,1 or 2 to select the UART peripheral.
-* Output : None
-* Return : The received data
-*******************************************************************************/
-u8 UART_ReceiveData(UART_TypeDef* UARTx)
-{
- /* Receive one byte */
- return ((u8)UARTx->DR);
-}
-
-/*******************************************************************************
-* Function Name : UART_SendBreak
-* Description : Transmits break characters.
-* Input : UARTx: where x can be 0,1 or 2 to select the UART peripheral.
-* Output : None
-* Return : None
-*******************************************************************************/
-void UART_SendBreak(UART_TypeDef* UARTx)
-{
- /* Send break characters */
- UARTx->LCR |= UART_BreakChar_Mask;
-}
-
-/*******************************************************************************
-* Function Name : UART_RTSConfig
-* Description : Sets or Resets the RTS signal
-* Input : - LevelState: new state of the RTS signal for UART0 only.
-* This parameter can be: LowLevel or HighLevel
-* Output : None
-* Return : None
-*******************************************************************************/
-void UART_RTSConfig(UART_LevelTypeDef LevelState)
-{
- if(LevelState == LowLevel)
- {
- UART0->CR |= UART_RTS_LowLevel_Mask;
- }
- else
- {
- UART0->CR &= UART_RTS_HighLevel_Mask;
- }
-}
-
-/*******************************************************************************
-* Function Name : UART_DTRConfig
-* Description : Sets or Resets the DTR signal for UART0 only
-* Input : - LevelState: new state of the DTR signal.
-* This parameter can be: LowLevel or HighLevel
-* Output : None
-* Return : None
-*******************************************************************************/
-void UART_DTRConfig(UART_LevelTypeDef LevelState)
-{
- if(LevelState == LowLevel)
- {
- UART0->CR |= UART_DTR_LowLevel_Mask;
- }
- else
- {
- UART0->CR &= UART_DTR_HighLevel_Mask;
- }
-}
-/******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE****/
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