基于Hercules 的工业“安全”控制系统 测试DI开关量输入（SPI口IO模拟）说明

蓝雨夜

基于Hercules 的工业“安全”控制系统 测试DI开关量输入（SPI口IO模拟）说明 [复制链接]

基于Hercules 的工业“安全”控制系统 测试DI开关量输入（SPI口IO模拟）

硬件说明
  Hercules                 数字隔离       工业8数字输入串行器
TMS5700432 ====ISO7241CF====SN65HVS882

软件说明
HALCoGen 03.06.00
Code Composer Studio 5.3.0


/** @file sys_main.c
*   @brief Application main file
*   @date 25.July.2013
*   @version 03.06.00
*
*   This file contains an empty main function,
*   which can be used for the application.
*/

/* (c) Texas Instruments 2009-2013, All rights reserved. */

/* USER CODE BEGIN (0) */
/* USER CODE END */

/* Include Files */

#include "sys_common.h"
#include "system.h"

/* USER CODE BEGIN (1) */
#include "spi.h"
#include "gio.h"
#include "het.h"
/* USER CODE END */

/** @fn void main(void)
*   @brief Application main function
*   @note This function is empty by default.
*
*   This function is called after startup.
*   The user can use this function to implement the application.
*/
#define LD_1        gioSetBit(spiPORT2, SPI_PIN_SIMO, 1);
#define LD_0        gioSetBit(spiPORT2, SPI_PIN_SIMO, 0);

#define CLK_1        gioSetBit(spiPORT2, SPI_PIN_CLK, 1);
#define CLK_0        gioSetBit(spiPORT2, SPI_PIN_CLK, 0);

#define CE_1        gioSetBit(spiPORT2, SPI_PIN_CS0, 1);
#define CE_0        gioSetBit(spiPORT2, SPI_PIN_CS0, 0);

#define SOP(x)        x=gioGetBit(spiPORT2, SPI_PIN_SOMI);

#define LED_OK        2
#define COM_OK        3

#define Y_0        4
#define Y_1        5
#define Y_2        6
#define Y_3        7

#define N2HET0 0
#define N2HET2 2
#define N2HET4 4
#define N2HET6 6
#define N2HET8 8
#define N2HET10 10
#define N2HET12 12
#define N2HET14 14
#define N2HET16 16
#define N2HET18 18
#define N2HET22 22
#define N2HET24 24

#define Mx_0        N2HET0
#define Mx_1        N2HET2
#define Mx_2        N2HET4
#define Mx_3        N2HET6
#define Mx_4        N2HET16
#define Mx_5        N2HET18
#define Mx_6        N2HET22
#define Mx_7        N2HET24

#define Mx_10        N2HET8
#define Mx_11        N2HET10
#define Mx_12        N2HET12
#define Mx_13        N2HET14

#define Mx_PORT        hetPORT1


uint32 Read_DI(void)
{
        uint32 i=0,x=0;

        uint32 data=0;
        //加载并口数据
        LD_1;
        LD_0;
        LD_1;

        //读移位数据
        CE_0;
        CLK_1;
        for(i=0;i<8;i++)
        {
                data<<=1;
                CLK_0;
                SOP(x);
                CLK_1;

                data|=x;
        }
        CE_1;

        return data;
}

void Wirte_Mx(uint32 data)
{
        gioSetBit(Mx_PORT, Mx_0, data&0x01);
        gioSetBit(Mx_PORT, Mx_1, data&0x02);
        gioSetBit(Mx_PORT, Mx_2, data&0x04);
        gioSetBit(Mx_PORT, Mx_3, data&0x08);
        gioSetBit(Mx_PORT, Mx_4, data&0x10);
        gioSetBit(Mx_PORT, Mx_5, data&0x20);
        gioSetBit(Mx_PORT, Mx_6, data&0x40);
        gioSetBit(Mx_PORT, Mx_7, data&0x80);
}
/* USER CODE BEGIN (2) */
/* USER CODE END */
static uint32 data;
void main(void)
{
/* USER CODE BEGIN (3) */
        spiInit();
        gioInit();
        gioSetDirection(hetPORT1, 0xFFFFFFFF);
/* USER CODE END */
        while(1)
        {
#ifdef TEST_PORT
                gioToggleBit(spiPORT2, SPI_PIN_SIMO);
                gioToggleBit(spiPORT2, SPI_PIN_CLK);
                gioToggleBit(spiPORT2, SPI_PIN_SOMI);
                gioToggleBit(spiPORT2, SPI_PIN_CS0);


#endif

                data=Read_DI();
                gioSetPort(gioPORTA,data);
                Wirte_Mx(data);
        }
}

/* USER CODE BEGIN (4) */
/* USER CODE END */