250K-T8S
This commit is contained in:
350
UART.C
Normal file
350
UART.C
Normal file
@@ -0,0 +1,350 @@
|
||||
//****************************************************************************
|
||||
// @Module UART (Serial Interface)
|
||||
// @Filename UART.C
|
||||
// @Project CL2.0.dav
|
||||
//----------------------------------------------------------------------------
|
||||
// @Controller Infineon XC886CLM-8FF
|
||||
//
|
||||
// @Compiler Keil
|
||||
//
|
||||
// @Codegenerator 1.3
|
||||
//
|
||||
// @Description: This file contains functions that use the UART module.
|
||||
//
|
||||
//----------------------------------------------------------------------------
|
||||
// @Date 2024/12/12 19:56:03
|
||||
//
|
||||
//****************************************************************************
|
||||
|
||||
// USER CODE BEGIN (UART_General,1)
|
||||
|
||||
// USER CODE END
|
||||
|
||||
|
||||
|
||||
//****************************************************************************
|
||||
// @Project Includes
|
||||
//****************************************************************************
|
||||
|
||||
#include "MAIN.H"
|
||||
|
||||
// USER CODE BEGIN (UART_General,2)
|
||||
|
||||
// USER CODE END
|
||||
|
||||
|
||||
//****************************************************************************
|
||||
// @Macros
|
||||
//****************************************************************************
|
||||
|
||||
// USER CODE BEGIN (UART_General,3)
|
||||
|
||||
// USER CODE END
|
||||
|
||||
|
||||
//****************************************************************************
|
||||
// @Defines
|
||||
//****************************************************************************
|
||||
|
||||
// USER CODE BEGIN (UART_General,4)
|
||||
|
||||
// USER CODE END
|
||||
|
||||
|
||||
//****************************************************************************
|
||||
// @Typedefs
|
||||
//****************************************************************************
|
||||
|
||||
// USER CODE BEGIN (UART_General,5)
|
||||
|
||||
// USER CODE END
|
||||
|
||||
|
||||
//****************************************************************************
|
||||
// @Imported Global Variables
|
||||
//****************************************************************************
|
||||
|
||||
// USER CODE BEGIN (UART_General,6)
|
||||
|
||||
// USER CODE END
|
||||
|
||||
|
||||
//****************************************************************************
|
||||
// @Global Variables
|
||||
//****************************************************************************
|
||||
|
||||
// USER CODE BEGIN (UART_General,7)
|
||||
|
||||
// USER CODE END
|
||||
|
||||
|
||||
//****************************************************************************
|
||||
// @External Prototypes
|
||||
//****************************************************************************
|
||||
|
||||
// USER CODE BEGIN (UART_General,8)
|
||||
|
||||
// USER CODE END
|
||||
|
||||
|
||||
//****************************************************************************
|
||||
// @Prototypes Of Local Functions
|
||||
//****************************************************************************
|
||||
|
||||
// USER CODE BEGIN (UART_General,9)
|
||||
|
||||
// USER CODE END
|
||||
|
||||
|
||||
//****************************************************************************
|
||||
// @Function void UART_vInit(void)
|
||||
//
|
||||
//----------------------------------------------------------------------------
|
||||
// @Description This is the initialization function of the UART function
|
||||
// library. It is assumed that the SFRs used by this library
|
||||
// are in their reset state.
|
||||
//
|
||||
// The following SFR fields will be initialized:
|
||||
// - register SCON
|
||||
// - bits SMOD and ES
|
||||
//
|
||||
//----------------------------------------------------------------------------
|
||||
// @Returnvalue None
|
||||
//
|
||||
//----------------------------------------------------------------------------
|
||||
// @Parameters None
|
||||
//
|
||||
//----------------------------------------------------------------------------
|
||||
// @Date 2024/12/12
|
||||
//
|
||||
//****************************************************************************
|
||||
|
||||
// USER CODE BEGIN (UART_Init,1)
|
||||
|
||||
// USER CODE END
|
||||
|
||||
void UART_vInit(void)
|
||||
{
|
||||
// USER CODE BEGIN (UART_Init,2)
|
||||
|
||||
// USER CODE END
|
||||
|
||||
/// -----------------------------------------------------------------------
|
||||
/// UART settings
|
||||
/// -----------------------------------------------------------------------
|
||||
/// Pin TXD_1 (P0.2) is selected for transmission
|
||||
/// Pin RXD_1 (P0.1) is selected for reception
|
||||
/// Receiver enabled
|
||||
/// Mode 1: 8-bit data, 1 start bit, 1 stop bit, variable baud rate
|
||||
/// BRG is selected for baudrate generation
|
||||
|
||||
SFR_PAGE(_pp2, noSST); // switch to page 2 without saving
|
||||
P0_ALTSEL0 &= ~(ubyte)0x04; // configure alternate function register 0
|
||||
P0_ALTSEL1 |= (ubyte)0x04; // configure alternate function register 1
|
||||
SFR_PAGE(_pp0, noSST); // switch to page 0 without saving
|
||||
P0_DIR |= (ubyte)0x04; // set output direction
|
||||
|
||||
|
||||
MODPISEL |= (ubyte)0x01; // configure peripheral input select register
|
||||
BCON = 0x00; // reset baudrate timer/reload register
|
||||
SCON = 0x50; // load serial channel control register
|
||||
|
||||
/// -----------------------------------------------------------------------
|
||||
/// Baudrate generator settings
|
||||
/// -----------------------------------------------------------------------
|
||||
/// input clock = fPCLK
|
||||
/// Fractional divider is disabled
|
||||
/// baudrate = 100.0000 kbaud
|
||||
|
||||
BG = 0x0E; // load baudrate timer/reload register
|
||||
BCON |= 0x01; // load baud rate control register
|
||||
|
||||
|
||||
// USER CODE BEGIN (UART_Init,3)
|
||||
|
||||
// USER CODE END
|
||||
|
||||
/// UART interrupt enabled
|
||||
ES = 1;
|
||||
|
||||
} // End of function UART_vInit
|
||||
|
||||
|
||||
//****************************************************************************
|
||||
// @Function void UART_viIsr(void)
|
||||
//
|
||||
//----------------------------------------------------------------------------
|
||||
// @Description This is the service routine for the UART interrupt. It is
|
||||
// called after each transmission (flag TI set) or reception
|
||||
// (flag RI set) of a data unit.
|
||||
// Please note that you have to add application specific code
|
||||
// to this function.
|
||||
//
|
||||
//----------------------------------------------------------------------------
|
||||
// @Returnvalue None
|
||||
//
|
||||
//----------------------------------------------------------------------------
|
||||
// @Parameters None
|
||||
//
|
||||
//----------------------------------------------------------------------------
|
||||
// @Date 2024/12/12
|
||||
//
|
||||
//****************************************************************************
|
||||
|
||||
// You have two choices for interrupt type select in Project Settings Page
|
||||
// under Global Settings Section.
|
||||
// If you select CHOICE 1 then ISR will be generated with push and pop.
|
||||
// If you select CHOICE 2 then ISR will be generated without push and pop.
|
||||
// Default choice is CHOICE 2.
|
||||
// Current selection is CHOICE 2
|
||||
|
||||
// USER CODE BEGIN (UART_Isr,1)
|
||||
uint16_t char_data[25] = {0};
|
||||
// USER CODE END
|
||||
|
||||
void UART_viIsr(void) interrupt UARTINT
|
||||
{
|
||||
|
||||
// USER CODE BEGIN (UART_Isr,2)
|
||||
// static uint8_t i = 0;
|
||||
static uint8_t cnt_sbus = 0;
|
||||
static uint8_t state = 0;
|
||||
static uint8_t receive = 0;
|
||||
static uint8_t sbus_buff[25];
|
||||
SBusData *tmp_sbus_data;
|
||||
// USER CODE END
|
||||
SFR_PAGE(_su0, SST0); // switch to page 0
|
||||
if (TI)
|
||||
{
|
||||
// USER CODE BEGIN (UART_Isr,3)
|
||||
|
||||
TI = 0;
|
||||
|
||||
// USER CODE END
|
||||
}
|
||||
if (RI)
|
||||
{
|
||||
// USER CODE BEGIN (UART_Isr,4)
|
||||
RI = 0;
|
||||
|
||||
char_data[0] = (ubyte)SBUF;
|
||||
// UART_vSendData8(char_data[0]);
|
||||
|
||||
switch(state)
|
||||
{
|
||||
case 0:
|
||||
if(0x0f == char_data[0])
|
||||
{
|
||||
receive = 0;
|
||||
cnt_sbus = 0;
|
||||
sbus_buff[cnt_sbus] = char_data[0];
|
||||
cnt_sbus++;
|
||||
state = 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
state = 0;
|
||||
}
|
||||
break;
|
||||
case 1:
|
||||
if(cnt_sbus >= 24)
|
||||
{
|
||||
if(0x0 == char_data[0])
|
||||
{
|
||||
cnt_sbus = 0;
|
||||
receive = 0;
|
||||
sbus_buff[cnt_sbus] = char_data[0];
|
||||
state = 0;
|
||||
tmp_sbus_data = parseSBusData(sbus_buff);
|
||||
}
|
||||
}
|
||||
else if( (0x0f == char_data[0]) && (10 != cnt_sbus) )//<2F><>Ϊ<EFBFBD><CEAA>10<31><30><EFBFBD>ֽ<EFBFBD>Ϊ0x0F<30><46><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ģ<EFBFBD><C4A3><EFBFBD><EFBFBD>Բ<EFBFBD><D4B2><EFBFBD><EFBFBD><EFBFBD>0
|
||||
{
|
||||
receive = 0;
|
||||
cnt_sbus = 0;
|
||||
sbus_buff[cnt_sbus] = char_data[0];
|
||||
cnt_sbus++;
|
||||
state = 1;
|
||||
}
|
||||
else
|
||||
{
|
||||
sbus_buff[cnt_sbus] = char_data[0];
|
||||
cnt_sbus ++;
|
||||
state = 1;
|
||||
}
|
||||
break;
|
||||
default:break;
|
||||
}
|
||||
|
||||
// USER CODE END
|
||||
}
|
||||
|
||||
// USER CODE BEGIN (UART_Isr,5)
|
||||
|
||||
// USER CODE END
|
||||
SFR_PAGE(_su0, RST0); // restore the old page
|
||||
} // End of function UART_viIsr
|
||||
|
||||
|
||||
//****************************************************************************
|
||||
// @Function ubyte UART_ubGetData8(void)
|
||||
//
|
||||
//----------------------------------------------------------------------------
|
||||
// @Description This function returns the last received 8-bit data unit.
|
||||
// Interrupt flag RI will be cleared.
|
||||
//
|
||||
//----------------------------------------------------------------------------
|
||||
// @Returnvalue received data unit
|
||||
//
|
||||
//----------------------------------------------------------------------------
|
||||
// @Parameters None
|
||||
//
|
||||
//----------------------------------------------------------------------------
|
||||
// @Date 2024/12/12
|
||||
//
|
||||
//****************************************************************************
|
||||
|
||||
//ubyte UART_ubGetData8(void)
|
||||
//{
|
||||
// // Clear the receiver interrupt flag
|
||||
// RI = 0;
|
||||
|
||||
// // Return the received data byte
|
||||
// return(SBUF);
|
||||
|
||||
//} // End of function UART_ubGetData8
|
||||
|
||||
|
||||
//****************************************************************************
|
||||
// @Function void UART_vSendData8(ubyte ubData)
|
||||
//
|
||||
//----------------------------------------------------------------------------
|
||||
// @Description This function transmits an 8-bit data unit. At first
|
||||
// interrupt flag TI is cleared, then buffer SBUF is written.
|
||||
//
|
||||
//----------------------------------------------------------------------------
|
||||
// @Returnvalue None
|
||||
//
|
||||
//----------------------------------------------------------------------------
|
||||
// @Parameters ubData:
|
||||
// data to be transmitted
|
||||
//
|
||||
//----------------------------------------------------------------------------
|
||||
// @Date 2024/12/12
|
||||
//
|
||||
//****************************************************************************
|
||||
|
||||
//void UART_vSendData8(ubyte ubData)
|
||||
//{
|
||||
// // Clear the transmitter interrupt flag
|
||||
// TI = 0;
|
||||
|
||||
// // Write the transmit data byte, this initiates the transmission.
|
||||
// SBUF = ubData;
|
||||
//} // End of function UART_vSendData8
|
||||
|
||||
|
||||
// USER CODE BEGIN (UART_General,10)
|
||||
|
||||
// USER CODE END
|
||||
|
||||
Reference in New Issue
Block a user