——Mai le DWIN Developer Forum
I lenei lomiga, matou te faʻailoa atu ia te oe le faʻailoga mataʻutia avanoa avanoa o le DWIN Developer Forum - le potu faʻatoʻaga atamai.Na fa'atinoina e le au inisinia le T5L smart screen e fa'atonutonu ai le fa'avevela ma le fa'atonutonuina o le vevela o galuega e ala i le Modbus protocol.E mafai fo'i ona fetu'una'i le tu'uina atu o le eletise e fa'atusa le galuega fa'amalama.O le faiga e mafai ona otometi ona tamoʻe e tusa ai ma tapulaʻa seti i luga o le lau ma sefe faamaumauga o tala faasolopito.
1.UI Mea Fa'aaliga
2.UI Design
1.C51 Fuafuaga
O tulafono autu mo le mauaina ma le faʻafouina o faʻamatalaga e pei o le vevela, susu, ma le maualuga i luga o le atinaʻe autu, ma le faʻaogaina o le modbus rtu e pulea ai le vevela modules, afi, faʻailoga faʻailoga, ma isi masini pologa e faʻapea.
Fa'asinoga fa'ailoga fa'ailoga autu:
#include "main_win.h"
#include "modbus.h"
#include "sys_params.h"
#include "func_handler.h"
#aofia ai le "uart2.h"
#fa'aofia
#fa'aofia
#fa'amatala TEMP_HUM_SLAVE_ADDR 2
#fa'amatala TEMP_HUM_VAL_MAX_NUM 2
#fa'amatala ALERT_BIT_MAX_NUM 30
#fa'amatala ALERT_BYTE_NUM (ALERT_BIT_MAX_NUM/8+((ALERT_BIT_MAX_NUM%8)!=0))
#define GET_ALERT_BIT(val, pos) ((val[pos/8]>>(pos%8))&0x01)
typedef struct{
char aso[17];
u8 fa'amatalaga;
}ALATI;
#fa'amatala ALERT_TABLE_LEN 20
static 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 date_val[MAIN_WIN_DATE_MAX_NUM] = {0};
u8 alert_val[ALERT_BYTE_NUM] = {0};
u8 old_alert_val[ALERT_BYTE_NUM] = {0};
ALERT alert_table[ALERT_TABLE_LEN];
u16 alert_num = 0;
bit is_main_win = 0;
fa'aleaogaina main_win_update()
{
}
fa'aleaogaina main_win_disp_date()
{
u8 len;
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);
}
fa'aleaogaina main_win_process_alert()
{
u8 i;
mo(i=0;i
{
afai(GET_ALERT_BIT(old_alert_val, i))
faaauau;
afai(GET_ALERT_BIT(alert_val, i))
{
afai(alert_num>=ALERT_TABLE_LEN)
alert_num = ALERT_TABLE_LEN-1;
alert_table[alert_num].desc = i+1;
sprintf(laufa'alaala[ala_numera].aso, "%u/%u/%u %u:%u",
date_val[0], date_val[1], date_val[2], date_val[3], date_val[4]
);
alert_num++;
}
}
memcpy(old_alert_val, alert_val, sizeof(alert_val));
}
fa'aleaogaina main_win_disp_alert()
{
u16 i;
u16 val;
u16 len = 0;
common_buf[0] = 0;
mo(i=0;i
{
val = 0;
afai (i
{
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);
}
fa'aleaogaina main_win_init()
{
float fixed_val;
u8 i;
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);
mo(i=0;i
{
afai(i==0)
faaauau;
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);
}
fa'aleaogaina main_win_click_handler(u16 btn_val)
{
u8 faasino upu;
afai(btn_val==0x0B)
{
main_win_disp_alert();
toe foi mai;
}
index = btn_val-1;
btn_sta[index] = !btn_sta[index];
afai((index==3)||(index==7))
btn_sta[index] = 1;
modbus_write_bit(btn_addr[index], btn_sta[index]?0xFF00:0x0000);
btn_val = btn_sta[index];
sys_write_vp(MAIN_WIN_BTN_STA_START_VP+MAIN_WIN_BTN_STA_OFFSET*index, (u8*)&btn_val, 1);
afai(fa'asinomaga==9)
is_main_win = 0;
isi pe afai((index==3)|(index==7))
{
a'o(sys_get_touch_sta());
modbus_write_bit(btn_addr[index], 0x0000);
}
}
fa'aleaogaina 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 i;
u8 offset;
msg_len = msg_len;
afai(! is_main_win)
toe foi mai;
afai((f_code==MODBUS_FUNC_CODE_03)&&(data_len==MAIN_WIN_VAL_MAX_NUM*2))
{
offset = MODBUS_RESPOND_POS_DATA;
mo(i=0;i
{
main_win_val = SYS_GET_U16(msg[offset], msg[offset+1]);
offset += 2;
}
main_win_update();
}seisi pe afai((f_code==MODBUS_FUNC_CODE_01)&&(data_len==ALERT_BYTE_NUM))
{
offset = MODBUS_RESPOND_POS_DATA;
mo(i=0;i
{
alert_val = msg[offset];
offset++;
}
main_win_process_alert();
}seisi pe afai((f_code==MODBUS_FUNC_CODE_03)&&(data_len==TEMP_HUM_VAL_MAX_NUM*2))
{
offset = MODBUS_RESPOND_POS_DATA;
mo(i=0;i
{
temp_hum_val = SYS_GET_U16(msg[offset], msg[offset+1]);
offset += 2;
modbus_write_word(5+i, temp_hum_val);
}
main_win_update();
}seisi pe afai((f_code==MODBUS_FUNC_CODE_03)&&(data_len==MAIN_WIN_DATE_MAX_NUM*2))
{
offset = MODBUS_RESPOND_POS_DATA;
mo(i=0;i
{
date_val = SYS_GET_U16(msg[offset], msg[offset+1]);
offset += 2;
}
main_win_disp_date();
}
}
fa'aleaogaina 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;//Revert
}
fa'aleaogaina main_win_handler()
{
fu'a u8 tumau = 0;
afai(o_main_manumalo)
{
afai(tala_faitau_vaitaimi==ALERT_READ_PERIOD)
{
mataalia_vaitaimi_faitau = 0;
modbus_read_bits(510, ALERT_BIT_MAX_NUM);
toe foi mai;
}
afai(aso_update_period==DATE_UPDATE_PERIOD)
{
date_update_period = 0;
modbus_read_words(180, MAIN_WIN_DATE_MAX_NUM);
toe foi mai;
}
fu'a = !fu'a;
afai(fu'a)
modbus_read_words(0, MAIN_WIN_VAL_MAX_NUM);
isi
main_win_read_temp_hum();
}
}
modbus rtu code faasinomaga:
#include "modbus.h"
#aofia ai le "crc16.h"
#include "sys_params.h"
#define UART_INCLUDE "uart2.h"
#define UART_INIT uart2_init
#fa'amatala UART_SEND_BYTES uart2_send_bytes
#define UART_BAUD 9600
#define MODBUS_RECV_TIMEOUT (u8)(35000.0f/UART_BAUD+2)
#define MODBUS_SEND_INTERVAL 150
#fa'aofi UART_INCLUDE
static bit is_modbus_recv_complete = 0;
static u8 modbus_recv_buff[270];
static u16 modbus_recv_len = 0;//Aofa'i umi o bytes talia
static u8 modbus_recv_timeout = 0; // Talia le taimi o le tafe
static volatile u16 modbus_send_interval = 0;
MODBUS_PACKET taga;
vale modbus_init()
{
UART_INIT(UART_BAUD);
}
fa'aleaogaina modbus_send_bytes(u8 *bytes,u16 len)
{
UART_SEND_BYTES(bytes,len);
}
fa'aleaogaina modbus_recv_byte(u8 byte)
{
afai(o_modbus_recv_complete)
toe foi mai;
afai (modbus_recv_len
modbus_recv_buff[modbus_recv_len++] = byte;
}
fa'aleaogaina modbus_check_recv_timeout()
{
afai(modbus_recv_timeout)
{
modbus_recv_timeout--;
afai(modbus_recv_timeout==0)
{
is_modbus_recv_complete = 1;
}
}
}
u8 modbus_send_packet(u8 *packet)
{
u16 len;
u16 crc;
u8 func_code = pusa[1];
a'o(modbus_send_interval);
afai(func_code==MODBUS_FUNC_CODE_10)
{
((MODBUS_10_PACKET*)packet)->byte_num = ((MODBUS_10_PACKET*)packet)->word_num*2;
len = 9+((MODBUS_10_PACKET*)packet)->byte_num;
}seisi pe afai(func_code==MODBUS_FUNC_CODE_0F)
{
len = ((MODBUS_0F_PACKET*)packet)->bit_num;
((MODBUS_0F_PACKET*)packet)->byte_num = len/8+(len%8?1:0);
len = 9+((MODBUS_0F_PACKET*)packet)->byte_num;
}isi
{
len = tele(MODBUS_PACKET);
}
crc = crc16(packet,len-2);
packet[len-2] = (u8)(crc>>8);
packet[len-1] = (u8)crc;
modbus_send_bytes(packet,len);
modbus_send_interval = MODBUS_SEND_INTERVAL;
toe faafoi 0; // Manuia
}
fafo e le aoga modbus_msg_handler(u8 *msg,u16 msg_len);
vale modbus_handler()
{
u16 crc;
afai(! is_modbus_recv_complete)
toe foi mai;
//Siaki le tau o le crc
crc = ((u16)modbus_recv_buff[modbus_recv_len-2]<<8)+modbus_recv_buff[modbus_recv_len-1];
afai(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;//Function code
packet.start_addr = addr;//Address
packet.data_len = len;//Value tusia
len = modbus_send_packet((u8*)&packet);
toe fo'i len;
}
Taimi meli: Ian-12-2024