——Soti nan DWIN Developer Forum
Nan nimewo sa a, nou prezante w ka sous louvri DWIN Developer Forum - sal kiltivasyon entelijan. Enjenyè yo te aplike ekran entelijan T5L pou kontwole chofaj ak fonksyon kontwòl tanperati fanatik atravè pwotokòl Modbus la. Ekipman pou pouvwa a ka ajiste tou pou simulation fonksyon ekleraj la. Sistèm nan ka otomatikman kouri dapre paramèt yo mete sou ekran an epi sove dosye istwa fay.
1.UI Display Materyèl
![asvdfb (2)](https://ecdn6.globalso.com/upload/p/1355/source/2024-03/65f96ba08612736786.jpg)
![asvdfb (1)](https://ecdn6.globalso.com/upload/p/1355/source/2024-03/65f96ba210c7924337.jpg)
2.UI Design
1.C51 Design
Kòd prensipal yo pou jwenn ak mete ajou done tankou tanperati, imidite, ak altitid sou koòdone prensipal la, ak lè l sèvi avèk modbus rtu pou kontwole modil kontwòl tanperati, motè, deteksyon alam, ak lòt machin esklav yo jan sa a.
Prensipal referans kòd koòdone:
#include "main_win.h"
#include "modbus.h"
#include "sys_params.h"
#include "func_handler.h"
#include "uart2.h"
#enkli
#enkli
#defini TEMP_HUM_SLAVE_ADDR 2
#defini TEMP_HUM_VAL_MAX_NUM 2
#defini ALERT_BIT_MAX_NUM 30
#defini ALERT_BYTE_NUM (ALERT_BIT_MAX_NUM/8+((ALERT_BIT_MAX_NUM%8)!=0))
#defini GET_ALERT_BIT(val, pos) ((val[pos/8]>>(pos%8))&0x01)
typedef struct{
dat char[17];
u8 desc;
}ALÈT;
#defini ALERT_TABLE_LEN 20
estatik u8 btn_sta[MAIN_WIN_BTN_MAX_NUM] = {0};
static u8 btn_addr[MAIN_WIN_BTN_MAX_NUM] = {50, 51, 52, 69, 53, 54, 55, 70, 56, 57, 58, 59};
u16 main_win_val[MAIN_WIN_VAL_MAX_NUM];
u16 temp_hum_val[TEMP_HUM_VAL_MAX_NUM] = {0};
u16 dat_val[MAIN_WIN_DATE_MAX_NUM] = {0};
u8 alert_val[ALERT_BYTE_NUM] = {0};
u8 old_alert_val[ALERT_BYTE_NUM] = {0};
ALERT tab_alèt[ALERT_TABLE_LEN];
u16 alert_num = 0;
bit is_main_win = 0;
void main_win_update ()
{
}
void main_win_disp_date()
{
u8 sèlman;
len = sprintf(common_buf, "%u:%u", (u16)date_val[3], (u16)date_val[4]);
common_buf[len+1] = 0;
sys_write_vp(MAIN_WIN_DATE_VP, common_buf, len/2+2);
}
void main_win_process_alert ()
{
u8 mwen;
pou (mwen = 0; mwen
{
if(GET_ALERT_BIT(ansyen_alèt_val, mwen))
kontinye;
if(GET_ALERT_BIT(alèt_val, mwen))
{
if(alèt_num>=ALERT_TABLE_LEN)
alert_num = ALERT_TABLE_LEN-1;
alert_table [alèt_num].desc = i+1;
sprintf(tab_alèt[num_alèt].dat, "%u/%u/%u %u:%u",
dat_val[0], dat_val[1], dat_val[2], dat_val[3], dat_val[4]
);
alert_num++;
}
}
memcpy(old_alert_val, alert_val, sizeof(alert_val));
}
void main_win_disp_alert ()
{
u16 ak;
ak u16;
u16 sèlman = 0;
common_buf[0] = 0;
pou (mwen = 0; mwen
{
val = 0;
Si mwen
{
val = alert_table.desc;
len += sprintf(common_buf+len, "%s\r\n", alert_table.date);
}
sys_write_vp(ALERT_WIN_DESC_START_VP+i, (u8*)&val, 1);
}
common_buf[len+1] = 0;
sys_write_vp(ALERT_WIN_DATE_VP, common_buf, len/2+2);
}
void main_win_init()
{
flote fixed_val;
u8 mwen;
is_main_win = 1;
main_win_val[5] = (u16)(temp_hum_val[0]/10.0+0.5f);
main_win_val[6] = (u16)(temp_hum_val[1]/10.0+0.5f);
pou (mwen = 0; mwen
{
si (mwen ==0)
kontinye;
sys_write_vp(MAIN_WIN_WIND_SPEED_VP+MAIN_WIN_VAL_OFFSET*i, (u8*)&main_win_val, 1);
}
fixed_val = main_win_val[0]/WIND_SPEED_SCALE+FLOAT_FIX_VAL;
sys_write_vp(MAIN_WIN_WIND_SPEED_VP, (u8*)&fixed_val, 2);
}
void main_win_click_handler(u16 btn_val)
{
endèks u8;
if(btn_val==0x0B)
{
main_win_disp_alert();
retounen;
}
endèks = btn_val-1;
btn_sta[endèks] = !btn_sta[endèks];
si((endèks==3)||(endèks==7))
btn_sta[endèks] = 1;
modbus_write_bit(btn_addr[endèks], btn_sta[endèks]?0xFF00:0x0000);
btn_val = btn_sta[endèks];
sys_write_vp(MAIN_WIN_BTN_STA_START_VP+MAIN_WIN_BTN_STA_OFFSET*endèks, (u8*)&btn_val, 1);
si (endèks==9)
is_main_win = 0;
lòt moun si((endèks==3)||(endèks==7))
{
while(sys_get_touch_sta());
modbus_write_bit(btn_addr[endèks], 0x0000);
}
}
void main_win_msg_handler (u8 *msg,u16 msg_len)
{
u8 f_code = msg[MODBUS_RESPOND_POS_FUNC_CODE];
u8 data_len = msg[MODBUS_RESPOND_POS_DATA_LEN];
u8 mwen;
u8 konpanse;
msg_len = msg_len;
si(!se_principal_genyen)
retounen;
if((f_code==MODBUS_FUNC_CODE_03)&&(data_len==MAIN_WIN_VAL_MAX_NUM*2))
{
konpanse = MODBUS_RESPOND_POS_DATA;
pou (mwen = 0; mwen
{
main_win_val = SYS_GET_U16(msg[offset], msg[offset+1]);
konpanse += 2;
}
main_win_update();
}lòt si((f_code==MODBUS_FUNC_CODE_01)&&(data_len==ALERT_BYTE_NUM))
{
konpanse = MODBUS_RESPOND_POS_DATA;
pou (mwen = 0; mwen
{
alert_val = msg[offset];
konpanse ++;
}
main_win_process_alert ();
}lòt si((f_code==MODBUS_FUNC_CODE_03)&&(data_len==TEMP_HUM_VAL_MAX_NUM*2))
{
konpanse = MODBUS_RESPOND_POS_DATA;
pou (mwen = 0; mwen
{
temp_hum_val = SYS_GET_U16(msg[offset], msg[offset+1]);
konpanse += 2;
modbus_write_word(5+i, temp_hum_val);
}
main_win_update();
}lòt si((f_code==MODBUS_FUNC_CODE_03)&&(data_len==MAIN_WIN_DATE_MAX_NUM*2))
{
konpanse = MODBUS_RESPOND_POS_DATA;
pou (mwen = 0; mwen
{
dat_val = SYS_GET_U16(msg[offset], msg[offset+1]);
konpanse += 2;
}
main_win_disp_date();
}
}
void main_win_read_temp_hum ()
{
u8 old_slave_addr = SLAVE_ADDR;
sys_params.user_config[5] = TEMP_HUM_SLAVE_ADDR;
modbus_read_words(0, TEMP_HUM_VAL_MAX_NUM);
sys_params.user_config[5] = old_slave_addr;//Retour
}
void main_win_handler()
{
estatik u8 drapo = 0;
si (se_prensipal_genyen)
{
if(alèt_read_period==ALERT_READ_PERIOD)
{
alert_read_period = 0;
modbus_read_bits(510, ALERT_BIT_MAX_NUM);
retounen;
}
if(date_update_period==DATE_UPDATE_PERIOD)
{
dat_update_period = 0;
modbus_read_words(180, MAIN_WIN_DATE_MAX_NUM);
retounen;
}
drapo = !drapo;
si (drapo)
modbus_read_words(0, MAIN_WIN_VAL_MAX_NUM);
lòt bagay
main_win_read_temp_hum();
}
}
Modbus rtu kòd referans:
#include "modbus.h"
#include "crc16.h"
#include "sys_params.h"
#defini UART_INCLUDE "uart2.h"
#defini UART_INIT uart2_init
#defini UART_SEND_BYTES uart2_send_bytes
#defini UART_BAUD 9600
#defini MODBUS_RECV_TIMEOUT (u8)(35000.0f/UART_BAUD+2)
#defini MODBUS_SEND_INTERVAL 150
#gen ladan UART_INCLUDE
ti estatik is_modbus_recv_complete = 0;
estatik u8 modbus_recv_buff[270];
static u16 modbus_recv_len = 0;// Longè total bytes aksepte
static u8 modbus_recv_timeout = 0;//Aksepte tan debòde
estatik temèt u16 modbus_send_interval = 0;
MODBUS_PACKET pake;
void modbus_init()
{
UART_INIT(UART_BAUD);
}
anile modbus_send_bytes (u8 *bytes, u16 len)
{
UART_SEND_BYTES(bytes,len);
}
anile modbus_recv_byte (u8 byte)
{
si (modbus_recv_complete)
retounen;
if(modbus_recv_len
modbus_recv_buff[modbus_recv_len++] = byte;
}
void modbus_check_recv_timeout ()
{
si (modbus_recv_timeout)
{
modbus_recv_timeout--;
if(modbus_recv_timeout==0)
{
is_modbus_recv_complete = 1;
}
}
}
u8 modbus_send_packet (u8 *pake)
{
u16 sèlman;
u16 crc;
u8 func_code = pake [1];
while(modbus_send_interval);
if(func_code==MODBUS_FUNC_CODE_10)
{
((MODBUS_10_PACKET*)pake)->byte_num = ((MODBUS_10_PACKET*)pake)->mo_num*2;
len = 9+((MODBUS_10_PACKET*)pake)->byte_num;
}lòt si (func_code==MODBUS_FUNC_CODE_0F)
{
len = ((MODBUS_0F_PACKET*)pake)->bit_num;
((MODBUS_0F_PACKET*)pake)->byte_num = len/8+(len%8?1:0);
len = 9+((MODBUS_0F_PACKET*)pake)->byte_num;
}lòt bagay
{
len = sizeof(MODBUS_PACKET);
}
crc = crc16 (pake,len-2);
pake[len-2] = (u8)(crc>>8);
pake [len-1] = (u8)crc;
modbus_send_bytes(pake,len);
modbus_send_interval = MODBUS_SEND_INTERVAL;
retounen 0;//Siksè
}
ekstèn void modbus_msg_handler (u8 *msg,u16 msg_len);
anile modbus_handler()
{
u16 crc;
si(!se_modbus_recv_complete)
retounen;
//Tcheke valè crc
crc = ((u16)modbus_recv_buff[modbus_recv_len-2]
if(crc16(modbus_recv_buff,modbus_recv_len-2)==crc)
{
modbus_msg_handler (modbus_recv_buff, modbus_recv_len);
}
modbus_recv_len = 0;
is_modbus_recv_complete = 0;
}
u8 modbus_send_fcode (u8 fcode, u16 addr, u16 len)
{
packet.slave_addr = SLAVE_ADDR;
packet.func_code = fcode;//Fonksyon kòd
packet.start_addr = adr;//Adrès
packet.data_len = len;//Valè ekri
len = modbus_send_packet((u8*)&packet);
retounen len;
}
Lè poste: Jan-12-2024