rt-thread-official/bsp/essemi/es8p508x/libraries/Library/Source/lib_uart.c

/***************************************************************
 *Copyright (C), 2017, Shanghai Eastsoft Microelectronics Co., Ltd
 *<EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>  lib_uart.c
 *<EFBFBD><EFBFBD>  <EFBFBD>ߣ<EFBFBD>  Liut
 *<EFBFBD><EFBFBD>  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>  V1.00
 *<EFBFBD><EFBFBD>  <EFBFBD>ڣ<EFBFBD>  2017/07/14
 *<EFBFBD><EFBFBD>  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>  UARTģ<EFBFBD><EFBFBD><EFBFBD>⺯<EFBFBD><EFBFBD>
 *<EFBFBD><EFBFBD>  ע<EFBFBD><EFBFBD>  <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ES8P508xоƬ
 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѧϰ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾʹ<EFBFBD>ã<EFBFBD><EFBFBD><EFBFBD><EFBFBD>û<EFBFBD>ֱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ķ<EFBFBD><EFBFBD>ջ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>е<EFBFBD><EFBFBD>κη<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ρ<EFBFBD>
 ***************************************************************/
#include "lib_uart.h"

/***************************************************************
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>UART_Init
  <EFBFBD><EFBFBD>  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>UART<EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>UARTx<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>UART0/1/2/3/4/5 <EFBFBD><EFBFBD> UART_InitStruct<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ýṹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 ***************************************************************/
void UART_Init(UART_TypeDef* UARTx,UART_InitStruType* UART_InitStruct)
{
    uint32_t BaudClockTemp = 0, BaudTemp = 0;

    if(UART_InitStruct->UART_ClockSet == UART_Clock_1)
    {
        BaudClockTemp = (SystemCoreClock/16)%UART_InitStruct->UART_BaudRate;
        if(UART_InitStruct->UART_BaudRate >= (2*BaudClockTemp))
        {
            BaudTemp = (SystemCoreClock/16/UART_InitStruct->UART_BaudRate)-1;
        }
        else
        {
            BaudTemp = SystemCoreClock/16/UART_InitStruct->UART_BaudRate;
        }
    }
    else if(UART_InitStruct->UART_ClockSet == UART_Clock_2)
    {
        BaudClockTemp = (SystemCoreClock/32)%UART_InitStruct->UART_BaudRate;
        if(UART_InitStruct->UART_BaudRate >= (2*BaudClockTemp))
        {
            BaudTemp = (SystemCoreClock/32/UART_InitStruct->UART_BaudRate)-1;
        }
        else
        {
            BaudTemp = SystemCoreClock/32/UART_InitStruct->UART_BaudRate;
        }
    }
    else if(UART_InitStruct->UART_ClockSet == UART_Clock_4)
    {
        BaudClockTemp = (SystemCoreClock/64)%UART_InitStruct->UART_BaudRate;
        if(UART_InitStruct->UART_BaudRate >= (2*BaudClockTemp))
        {
            BaudTemp = (SystemCoreClock/64/UART_InitStruct->UART_BaudRate)-1;
        }
        else
        {
            BaudTemp = SystemCoreClock/64/UART_InitStruct->UART_BaudRate;
        }
    }

    if(BaudTemp > 2046)
    {
        BaudTemp = 2047;
    }

    UARTx->CON.BCS = UART_InitStruct->UART_ClockSet;
    UARTx->BRR.BRR = BaudTemp ;

    UARTx->CON.TXFS = UART_InitStruct->UART_StopBits;
    UARTx->CON.TXMOD = UART_InitStruct->UART_TxMode;
    UARTx->CON.TXP = UART_InitStruct->UART_TxPolar;
    UARTx->CON.RXMOD = UART_InitStruct->UART_RxMode;
    UARTx->CON.RXP = UART_InitStruct->UART_RxPolar;
}
/***************************************************************
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>UART_ITConfig
  <EFBFBD><EFBFBD>  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>UART<EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>UARTx<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>UART0/1/2/3/4/5 <EFBFBD><EFBFBD> UART_IT<EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <EFBFBD><EFBFBD> NewState<EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD>/ʧ<EFBFBD><EFBFBD>
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 ***************************************************************/
void UART_ITConfig(UART_TypeDef* UARTx,UART_TYPE_IT UART_IT,TYPE_FUNCEN NewState)
{
    if (NewState != DISABLE)
        UARTx->IE.Word = (UARTx->IE.Word & (uint32_t)0x0000FFFF) | (uint32_t) UART_IT;
    else
        UARTx->IE.Word = (UARTx->IE.Word & (uint32_t)0x0000FFFF) & (~((uint32_t) UART_IT));
}
/***************************************************************
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>UART_TBIMConfig
  <EFBFBD><EFBFBD>  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>UART<EFBFBD><EFBFBD><EFBFBD>ͻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>ģʽѡ<EFBFBD><EFBFBD>
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>UARTx<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>UART0/1/2/3/4/5 <EFBFBD><EFBFBD> Type<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>ģʽ
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 ***************************************************************/
void UART_TBIMConfig(UART_TypeDef* UARTx,UART_TYPE_TRBIM Type)
{
    UARTx->IE.TBIM = Type;
}
/***************************************************************
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>UART_RBIMConfig
  <EFBFBD><EFBFBD>  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>UART<EFBFBD><EFBFBD><EFBFBD>ջ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>ģʽѡ<EFBFBD><EFBFBD>
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>UARTx<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>UART0/1/2/3 <EFBFBD><EFBFBD> Type<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>ģʽ
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 ***************************************************************/
void UART_RBIMConfig(UART_TypeDef* UARTx,UART_TYPE_TRBIM Type)
{
    UARTx->IE.RBIM = Type;
}
/***************************************************************
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>UART_Sendxxxx
  <EFBFBD><EFBFBD>  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>UART<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֽڡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>֡<EFBFBD><EFBFBD><EFBFBD>
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>UARTx<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>UART0/1/2/3/4/5 <EFBFBD><EFBFBD> <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 ***************************************************************/
void UART_SendByte(UART_TypeDef* UARTx,uint8_t Temp08)
{
    UARTx->TBW.Byte[0] = Temp08;
}
void UART_SendHalfWord(UART_TypeDef* UARTx,uint16_t Temp16)
{
    UARTx->TBW.HalfWord[0] = Temp16;
}
void UART_SendWord(UART_TypeDef* UARTx,uint32_t Temp32)
{
    UARTx->TBW.Word = Temp32;
}
/***************************************************************
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>UART_Recxxxx
  <EFBFBD><EFBFBD>  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>UART<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֽڡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>֡<EFBFBD><EFBFBD><EFBFBD>
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>UARTx<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>UART0/1/2/3/4/5
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 ***************************************************************/
uint8_t UART_RecByte(UART_TypeDef* UARTx)
{
    return UARTx->RBR.Byte[0];
}
uint16_t UART_RecHalfWord(UART_TypeDef* UARTx)
{
    return UARTx->RBR.HalfWord[0];
}
uint32_t UART_RecWord(UART_TypeDef* UARTx)
{
    return UARTx->RBR.Word;
}
/***************************************************************
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>UART_GetFlagStatus
  <EFBFBD><EFBFBD>  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>UART<EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>־λ״̬
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>UARTx<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>UART0/1/2/3/4/5 <EFBFBD><EFBFBD> UART_Flag<EFBFBD><EFBFBD><EFBFBD><EFBFBD>־λ
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>SET/RESET
 ***************************************************************/
FlagStatus UART_GetFlagStatus(UART_TypeDef* UARTx,UART_TYPE_FLAG UART_Flag)
{
    FlagStatus bitstatus = RESET;

    if ((UARTx->IF.Word & ((uint32_t)UART_Flag)) != RESET)
        bitstatus = SET;
    else
        bitstatus = RESET;

    return bitstatus;
}

/***************************************************************
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>UART_GetITStatus
  <EFBFBD><EFBFBD>  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>UART<EFBFBD><EFBFBD>ȡ<EFBFBD>ж<EFBFBD>״̬
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>UARTx<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>UART0/1/2/3/4/5 <EFBFBD><EFBFBD> UART_Flag<EFBFBD><EFBFBD><EFBFBD><EFBFBD>־λ
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>SET/RESET
 ***************************************************************/
ITStatus UART_GetITStatus(UART_TypeDef* UARTx,UART_TYPE_IT UART_IT)
{
    FlagStatus bitstatus = RESET;

    if((UARTx->IE.Word & ((uint32_t)UART_IT)) == 0)
        bitstatus = RESET;
    else
        bitstatus = SET;

    return bitstatus;
}
/***************************************************************
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>UART_ClearIFPendingBit
  <EFBFBD><EFBFBD>  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>UART<EFBFBD><EFBFBD>־λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD>UARTx<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>UART0/1/2/3/4/5<EFBFBD><EFBFBD> UART_Flag<EFBFBD><EFBFBD><EFBFBD><EFBFBD>־λ
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
  <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
 ***************************************************************/
void UART_ClearIFPendingBit(UART_TypeDef* UARTx,UART_CLR_IF UART_Flag)
{
    UARTx->IF.Word = (uint32_t)UART_Flag;
}

/*************************END OF FILE**********************/