?? userspc3.c
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#pragma code //
#define SPC3_INTEL_MODE TRUE //單片機為intel模式
#define SPC3_FAR //
#define SPC3_DPS2 //
#define SPC3_DATA_XDATA //spc3數據存儲地址
#include "spc3dps2.h" //profibus協議頭文件
#include "link.h"
#include "profibus.h"
#include <intrins.h>
#include <reg52.h>
#define huge
#define global
#define public
#define RECEIVE_ENABLE INT1
//#define uchar unsigned char
//#define uint unsigned int
#define IS_CMD 0xaa //是命令
#define IS_DATA 0x55 //是數據
#define CONSIS_DIAG_BIT_N 2 /*第3位為從站診斷區讀寫一致性標志*/
#define SET_CONSIS_DIAG_FLAG 0X04 /*置位從站診斷區讀寫一致性標志常數*/
#define CLR_CONSIS_DIAG_FLAG 0Xfb /*復位從站診斷區讀寫一致性標志常數*/
#define CONSIS_IN_BIT_N 1 /*第2位為從站輸入區讀寫一致性標志*/
#define SET_CONSIS_IN_FLAG 0X02 /*置位從站輸入區讀寫一致性標志常數*/
#define CLR_CONSIS_IN_FLAG 0Xfd /*復位從站輸入區讀寫一致性標志常數*/
#define CONSIS_OUT_BIT_N 0 /*第1位為從站輸出區讀寫一致性標志*/
#define SET_CONSIS_OUT_FLAG 0X01 /*置位從站輸出區讀寫一致性標志常數*/
#define CLR_CONSIS_OUT_FLAG 0Xfe /*復位從站輸出區讀寫一致性標志常數*/
/*----------------------------------------------------------------------*/
UBYTE in_data_map[255] _at_ 0x4000;
UBYTE out_data_map[255] _at_ 0x5000;
UBYTE prm_data_map[255] _at_ 0x6000;
extern uchar data uc_system_status_flag;
/*----------------------------------------------------------------------*/
/* 定義spc3的管腳 */
//sbit HW_WATCHDOG_TRIGGER = P3^5; /* HW-WD輸入端 */
sbit SPC3_RESET = P3^4; /* SPC3復位 */
sbit oe_switch = P3^3; //片選 */
#define SPC3_RESET_SET 1 /* reset-polarity */
#define SPC3_INTERRUPT_ENABLE EX0 /* external interrupt of SPC3 */
#define I_ENABLE 1 /* enable interrupt */
#define SPC3_INTERRUPT_PRIOR PX0 /* ext Interrupt SPC3 polarity */
#define P_HIGH 1 /* ext Interrupt SPC3 prio high */
#define GLOBAL_INTERRUPT_ENABLE EA /* global interrupt */
/*----------------------------------------------------------------------*/
/* STRUCTURES AND TYPEDEFS */
/*----------------------------------------------------------------------*/
/* 用戶診斷數據結構 */
struct diag_data_blk
{
UBYTE stationstatus_1;
UBYTE stationstatus_2;
UBYTE stationstatus_3;
UBYTE master_add;
UBYTE ident_high;
UBYTE ident_low;
/*------------------ 外擴診斷數據 -----------------*/
UBYTE header;
UBYTE diag_data_map[255];
};
enum ERRORCODES {IO_LENGTH_ERROR,INIT_ERROR,UNUSED};
//UBYTE xdata temp_serial[256] _at_ 0x2000;
//UBYTE SBUF;
//UBYTE a1 = 0,a2 = 0;
void main (void); //主函數
void init_buffer(void);
void user_dps_reset (void); //SPC3復位
void build_diag_data_blk (struct diag_data_blk*); //建立診斷數據
void user_error_function (enum ERRORCODES); //出錯處理函數
UBYTE get_addr(void);//讀取站地址
//uchar update_data(struct LINK_DATA_BUF *p_link_data_buf1);
void inteface_flag_p(void);
#define TSDRMIN 11
#define OWN_ADDRESS 3 //01.12.09修改為由撥碼讀入站地址
#define IDENT_HIGH 0x0A //ID標志高位
#define IDENT_LOW 0x0F //ID標志低位
#define DPS2_DISI() IEN = 0
#define DPS2_ENI() IEN = 1
#define CFG_LEN 16
#define CONFIG_DATA_INP 0x13 //輸入配置數據
#define CONFIG_DATA_OUTP 0x23 //輸入配置數據
#pragma global //全局變量
UBYTE real_no_add_chg;
UBYTE this_station;
UBYTE cfg_akt [20]; //配置應答
UBYTE cfg_len_akt; //配置應答長度
UBYTE glab_diag_flag; //全局的診斷標
UBYTE glab_prm_flag = 0x0; //第一次配置
/************************************************************/
struct LINK_DATA_BUF xdata *p_link_data_buf1 ;
struct LINK_DATA_BUF xdata str_link_data_buf ;
/************************************************************/
DPS2_IO_DATA_LEN SPC3_PTR_ATTR *user_io_data_len_ptr;
#pragma public
struct diag_data_blk *diag_ptr;
struct diag_data_blk ext_diag;
DPS2_BUFINIT dps2_buf;
UBYTE SPC3_PTR_ATTR *user_output_buffer_ptr;
UBYTE SPC3_PTR_ATTR *user_input_buffer_ptr;
UBYTE SPC3_PTR_ATTR *real_config_data_ptr;
void SPC3_PTR_ATTR *user_diag_buffer_ptr;
//UBYTE user_cmd_flag; //用戶命令標志
UBYTE ident_numb_high;
UBYTE ident_numb_low;
UBYTE dps_chg_diag_srvc_byte_new;
UBYTE dps_chg_diag_srvc_byte_old;
UBYTE diag_service_code; //診斷代碼
UBYTE diag_len; //診斷長度
UWORD user_baud_value; //用戶通訊波特率
UBYTE user_diag_flag; //用戶診斷標志
UBYTE *io_byte_ptr;
UBYTE i;
UBYTE zyk_wd_state; //看門狗狀態
UBYTE zyk_dps_state; //DPS狀態
UBYTE ext_diag_buf[72]= {0};//外部診斷
UBYTE old_glab_prm_flag = 0x0;
enum ERRORCODES error_code;
unsigned char station;
UBYTE spc3_result;
/* 定位 SPC3 的地址空間結構 */
SPC3 xdata spc3 _at_ 0x9000;
void main ()
{
UBYTE data ii,j;
UBYTE xdata * xdata loesch;
UWORD zaehl;
SPC3_RESET = SPC3_RESET_SET; /* 強制復位 */
for(ii = 500; ii;ii-- ) //復位延時
{
j=ii;
}
/******************************************/
init_buffer();//清BUF
dpram_interface_prog_init();//雙口RAM接口程序的初始化函數
/******************************************/
if((EE_rdsr_cmd()&0x30) == 0x30) //如果看門狗還沒起動
{
EE_wren_cmd(); //寫使能
EE_wrsr_cmd(0); //打開看門狗并設置為1.4秒
}
EE_rst_wdog();
//HW_WATCHDOG_TRIGGER = 1; /* 觸發 HW-WD */
//HW_WATCHDOG_TRIGGER = 0;
SPC3_RESET = !SPC3_RESET_SET;
SPC3_INTERRUPT_ENABLE = !I_ENABLE; /* Set the interrupt parameters */
SPC3_INTERRUPT_PRIOR = P_HIGH; /* of the microprocessor */
loesch = &spc3.int_req.b[0]; /* SPC3 RAM 清零 */
for (zaehl=0x16; zaehl<=0x05ff; zaehl++)/*前0X16字節內部寄存器*/
{
*(loesch + zaehl) = 00;
}
/*設置SPC3的中斷屏蔽寄存器*/
/* activate the indication functions */
SPC3_SET_IND(GO_LEAVE_DATA_EX | WD_DP_MODE_TIMEOUT | NEW_GC_COMMAND |\
NEW_SSA_DATA | NEW_CFG_DATA | NEW_PRM_DATA | BAUDRATE_DETECT);
/* SPC3內部看門狗定時器設置*/
/* set the watchdog value in the SPC3, which checks the microprocessor */
DPS2_SET_USER_WD_VALUE(20000);
/*設置IO的起使地址*/
/* In this example the input and output bytes are transfered to the
IO area, which is addressed by the io_byte_ptr. In the case of the IM183 there is RAM. */
/*io_byte_ptr = ((UBYTE*) 0x2E000L);
for (ii=0; ii<244; ii++) //協議規定數據最長為488字節
{
(*(io_byte_ptr + ii)) = 0;
}*/
/* fetch the station address, in this case the station address
is fixed in EPROM*/
this_station = get_addr();// /*獲取從站地址0X3 2001.2.09修改*/
/* get the Identnumber */
/*獲取從站用戶標志*/
ident_numb_high = IDENT_HIGH;
ident_numb_low = IDENT_LOW;
/*不許主站動態改變從站地址*/
/* Allow not the change of the slave address by the PROFIBUS DP */
/* Attention: The set_slave_address service is not blocked by this */
real_no_add_chg = TRUE;
/* Reset the User und DPS */
/*復位所有的緩存以及所有的寄存器*/
do
{
user_dps_reset();
}while (spc3_result !=0xaa);
/*使能單片機的中斷和SPC3的中斷*/
/* Enable the SPC3 interrupt in the interupt controller of the microprocessor */
SPC3_INTERRUPT_ENABLE = I_ENABLE;
GLOBAL_INTERRUPT_ENABLE = I_ENABLE;
for (;;)
{ /*=== Begin of the endless loop ===*/
/*看門狗狀態*/
zyk_wd_state = SPC3_GET_WD_STATE(); /*for info.: the actuall WD State*/
/*DP狀態*/
zyk_dps_state = DPS2_GET_DP_STATE()|SPC3_GET_OFF_PASS(); /*for info.: the actuall PROFIBUS DP State*/
/*復位SPC3的用戶看門狗*/
DPS2_RESET_USER_WD(); /* Trigger the user watchdog of the SPC3 */
/*復位單片機的看門狗*/
EE_rst_wdog();
//HW_WATCHDOG_TRIGGER = 1; /* Retrigger the HW Watchdog of the IM183*/
//HW_WATCHDOG_TRIGGER = 0;
/*============ Handling of the output data =================*/
/*輸出數據是指主站輸出數據給從站*/
if (DPS2_POLL_IND_DX_OUT()) /* are new output date available? */
{
glab_diag_flag ++;
/* Confirm the receiving */
DPS2_CON_IND_DX_OUT();
/* Get the pointer to the actual output data */
user_output_buffer_ptr = DPS2_OUTPUT_UPDATE();
/* Example: Copy the output data to the IO */
for (i=0; i<user_io_data_len_ptr->outp_data_len; i++)
{
out_data_map[i]= (*(((UBYTE SPC3_PTR_ATTR*) user_output_buffer_ptr) + i));
}
}
/*============ Handling of the input data =================*/
/* Write the input data from the periphery to the ASIC */
for (i=0; i<user_io_data_len_ptr->inp_data_len; i++)
{
*(((UBYTE SPC3_PTR_ATTR*) user_input_buffer_ptr) + i) = in_data_map[i];
}
/* Give the actuall pointer / data to the SPC3/DPS2 an get a new pointer,
where the next input data can be written */
user_input_buffer_ptr = DPS2_INPUT_UPDATE();
/*== Handling of the external diagnosis and other user defined actions =====*/
/* ATTENTION: this is only an example */
/* Use the first Byte of the Input data as a service byte */
/* for the change diag function */
if(user_diag_flag)
{
if(glab_diag_flag == 0x05)
{
glab_diag_flag = 0x0;
diag_service_code = 0x01;
diag_len = 80; // max. value of the IM308B
diag_len = DPS2_SET_DIAG_LEN(diag_len);
// Write the external diagnosis data to the SPC3
build_diag_data_blk ((struct diag_data_blk *)user_diag_buffer_ptr);
// Set the service code
// 0x01 External diagnosis
//0x02 Static diagnosis
//0x04 External diagnosis Overflow
DPS2_SET_DIAG_STATE(diag_service_code);
// Trigger the diagnosis update in the SPC3
DPS2_DIAG_UPDATE();
// Store "no diagnosis buffer available"
user_diag_flag = FALSE;
}
}
/*================ Check the buffers and the state =================*/
/* Is a new diagnosis buffer available */
/*如果有診斷緩存可以用則設用戶診斷標志為可用*/
if (DPS2_POLL_IND_DIAG_BUFFER_CHANGED())
{
DPS2_CON_IND_DIAG_BUFFER_CHANGED(); /* Confirm the indication */
user_diag_buffer_ptr = DPS2_GET_DIAG_BUF_PTR(); /* Fetch the pointer */
user_diag_flag = TRUE; /* Set the Notice "Diag. buffer availble */
}
inteface_flag_p();
//判斷參數化的數據是否OK
if(p_link_data_buf1->interface_flag !=LINK_ERR )
{
update_data(p_link_data_buf1);
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