——Site na ọgbakọ Mmepụta DWIN
N'ime mbipụta a, anyị ga-ewebata gị ihe nrịbama mepere emepe nke Devin Developer Forum maka itinye ihuenyo Divin n'ọhịa ọhụrụ - webpage nchọgharị na T5L Divin Screen serial port in-depth expansion (teknụzụ Node-RED) .Ndị injinia na-eji T5L smart screens ịgafe teknụzụ Node-RED chọrọ naanị ọdụ ụgbọ mmiri iji jikọọ na ịntanetị wee ghọta mmekọrịta data n'etiti ihuenyo Diwen na ibe weebụ ihe nchọgharị.Ihe ngwọta a na-achọpụta ọrụ dị ka izipu na ịnata data, mkparịta ụka eserese, na ngosipụta ozi bụ isi n'etiti ihuenyo smart na ibe weebụ.
1. Node-RED ibe weebụ na-agba ọsọ ngosi ngosi
(1) N'iji teknụzụ Node-RED, a na-eji ihe nchọgharị ahụ dị ka ọnụ ụzọ mmekọrịta, nke mere na ihe nchọgharị na ihuenyo na-emekọrịta site na ọdụ ụgbọ mmiri iji ghọta ihe ngosi ọrụ kwekọrọ.
Nzipu na ịnata ibe Tab
Akara ibe Tab mmekọrịta
Mmetụta ibe Tab ozi bụ isi
(2) Koodu ntụaka bụ isi maka onye ahịa webụ Node-RED bụ ndị a:
{
"id": "fbb314a16ea00889",
"ụdị": "Oghere Usoro n'ime",
"z": "09e0777eaff7fdea",
"g": "c1661722c7db00f9",
"name": "Ọdụ ụgbọ mmiri na-enweta data",
"Oghere Usoro": "83fb45b5f4b51d61",
"x": 390,
"y": 140,
"waya": [
[
"685a2fb2c2dc8fba"
]
]
},
{
"id": "1ba3c6e812e03e27",
"ụdị": "serial out",
"z": "09e0777eaff7fdea",
"g": "c1661722c7db00f9",
"name": "Nzipu ọdụ ụgbọ mmiri",
"Oghere Usoro": "83fb45b5f4b51d61",
"x": 860,
"y": 260,
" waya": []
},
{
"id": "5fb7f1d3d7425133",
"ụdị": "ọnọdụ",
"z": "09e0777eaff7fdea",
"g": "c1661722c7db00f9",
"name": "Lelee ọkwa ọdụ ụgbọ mmiri",
"okirikiri": [
"fbb314a16ea00889"
],
"x": 390,
"y": 200,
"waya": [
[
"3f18d1fdea398d35"
]
]
},
{
"id": "3f18d1fdea398d35",
"ụdị": "ọrụ",
"z": "09e0777eaff7fdea",
"g": "c1661722c7db00f9",
"name": "Wepụta ọkwa ọdụ ụgbọ mmiri",
"func": "let sta = msg.status.text;\nlet color = 'red';\nif (sta.indexOf('not-connected') >= 0) \n sta = 'Enweghi njikọ';\nse ọ bụrụ (sta.indexOf('connected') >= 0)\n{\n sta = 'njikọ gara nke ọma';\n color = 'green';\n}else\n sta = 'njehie mere';\nmsg[' akwụ ụgwọ'] = sta;\nmsg['agba'] = agba;\n\n weghachite msg;",
"mpụta": 1,
"Oge oge": 0,
"noer": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 620,
"y": 200,
"waya": [
[
"2ec78ff0b0b9a56f"
]
]
},
{
"id": "2ec78ff0b0b9a56f",
"ụdị": "ui_template",
"z": "09e0777eaff7fdea",
"g": "c1661722c7db00f9",
"otu": "4e4db779a7b91019",
"name": "Gosipụta ọkwa ọdụ ụgbọ mmiri",
"usoro": 1,
"obosara": 0,
"ịdị elu": 0,
"usoro":"\n Ọkwa ọdụ ụgbọ mmiri:
2.DGUSIinterfaceDchepụta
1. C51 Engineering Design
Ihe ngwọta na-eji T5L smart screen serial port 2 iji kparịta ibe weebụ Node-RED.Ụfọdụ koodu ntụaka bụ ndị a:
#gụnye "sys.h"
#gụnyere "uart2.h"
#gụnye
#gụnye
u8 akpa [200];
isi ihe efu (void)
{
iri na isii;
afọ 16;
afọ 16;
u8i;
sys_init ();
uart2_init (115200);
ochie= 0;
mgbe (1)
{
ọ bụrụ na (bụ_recv_zuru ezu)
{
uart2_buf[recv_len++]= 0;
uart2_buf[recv_len++]= 0;
ọ bụrụ (strstr ((char*) uart2_buf,"cmd"))
{
ọnụọgụ = uart2_buf[3] -'0';
ọ bụrụ (nọmba <3)
{
maka (i=0; i<3;i++)
{
val= (nọmba==i);
sys_write_vp (0x2300+i, (u8*)&val, 1);
}
} ọzọ (nọmba <5)
{
val= (ọnụọgụ==3);
sys_write_vp (0x2200, (u8*)&val, 1);
}
}ọzọ
{
sys_write_vp (0x2000, uart2_buf, recv_len/2+2);
}
recv_len= 0;
is_recv_complete= 0;
}
sys_read_vp (0x1000, (u8*)&val, 1);
ọ bụrụ (val=1)
{
sys_read_vp (0x2100, buff, 50);
maka (i=0; i<100; i++)
{
ọ bụrụ (buff=0xff)
{
buff= 0x00;
buff[i+1] = 0x00;
agbaji;
}
}
u2_send_bytes(buff,strlen(buff));
val= 0;
sys_write_vp (0x1000, (u8*)&val, 1);
}
sys_read_vp (0x2400, (u8*)&val, 1);
ọ bụrụ (val!=ochie)
{
sprintf (buff,"%d", val);
u2_send_bytes(buff,strlen(buff));
ochie = val;
}
}
}
Oge nzipu: Dec-28-2023