——ຈາກ DWIN Developer Forum
ໃນສະບັບນີ້, ພວກເຮົາຈະແນະນໍາໃຫ້ທ່ານເປັນກໍລະນີ open source ທີ່ໄດ້ຮັບຮາງວັນຂອງ Devin Developer Forum ສໍາລັບຄໍາຮ້ອງສະຫມັກຂອງ Divin Screen ໃນພາກສະຫນາມໃຫມ່ - ຫນ້າເວັບຂອງຕົວທ່ອງເວັບແລະ T5L Divin Screen serial port in-depth expansion (Node-RED technology) . ວິສະວະກອນໃຊ້ຫນ້າຈໍອັດສະລິຍະ T5L ເພື່ອຜ່ານເທກໂນໂລຍີ Node- RED ພຽງແຕ່ຕ້ອງການພອດ serial ເພື່ອເຊື່ອມຕໍ່ກັບອິນເຕີເນັດແລະຮັບຮູ້ການໂຕ້ຕອບຂໍ້ມູນລະຫວ່າງຫນ້າຈໍ Diwen ແລະຫນ້າເວັບຂອງຕົວທ່ອງເວັບ. ການແກ້ໄຂນີ້ຮັບຮູ້ຫນ້າທີ່ເຊັ່ນການສົ່ງແລະຮັບຂໍ້ມູນ, ການໂຕ້ຕອບຂອງຕາຕະລາງ, ແລະການສະແດງຂໍ້ມູນພື້ນຖານລະຫວ່າງຫນ້າຈໍ smart ແລະຫນ້າເວັບ.
1. ໜ້າເວັບ Node-RED ແລ່ນການສະແດງຜົນ
(1) ການນໍາໃຊ້ເທກໂນໂລຍີ Node-RED, ຕົວທ່ອງເວັບຖືກນໍາໃຊ້ເປັນທາງເຂົ້າການໂຕ້ຕອບ, ເພື່ອໃຫ້ຕົວທ່ອງເວັບແລະຫນ້າຈໍໂຕ້ຕອບຜ່ານພອດ serial ເພື່ອຮັບຮູ້ການສະແດງຫນ້າທີ່ສອດຄ້ອງກັນ.
![asva (1)](https://ecdn6.globalso.com/upload/p/1355/source/2024-03/65f96baa7b18a54530.jpg)
![asva (2)](https://ecdn6.globalso.com/upload/p/1355/source/2024-03/65f96babae2d997861.jpg)
ການສົ່ງແລະຮັບຂໍ້ມູນຫນ້າ Tab
ໄອຄອນໜ້າແຖບແບບໂຕ້ຕອບ
![asva (3)](https://ecdn6.globalso.com/upload/p/1355/source/2024-03/65f96bad3193a85099.jpg)
ຂໍ້ມູນພື້ນຖານຜົນກະທົບຫນ້າແຖບ
(2) ລະຫັດອ້າງອີງຫຼັກສໍາລັບລູກຄ້າເວັບ Node-RED ມີດັ່ງນີ້:
{
"id": "fbb314a16ea00889",
"type": "serial in",
"ຈາກ": "09e0777eaff7fdea",
"g": "c1661722c7db00f9",
"name": "ພອດ Serial ຮັບຂໍ້ມູນ",
"serial": "83fb45b5f4b51d61",
"x": 390,
"ແລະ": 140,
"ສາຍໄຟ": [
[
"685a2fb2c2dc8fba"
]
]
},
{
"id": "1ba3c6e812e03e27",
"type": "serial out",
"ຈາກ": "09e0777eaff7fdea",
"g": "c1661722c7db00f9",
"name": "ການສົ່ງພອດ Serial",
"serial": "83fb45b5f4b51d61",
"x": 860,
"ແລະ": 260,
"ສາຍ": []
},
{
"id": "5fb7f1d3d7425133",
"type": "ສະຖານະ",
"ຈາກ": "09e0777eaff7fdea",
"g": "c1661722c7db00f9",
"name": "ຕິດຕາມສະຖານະພອດ serial",
"ຂອບເຂດ": [
"fbb314a16ea00889"
],
"x": 390,
"ແລະ": 200,
"ສາຍໄຟ": [
[
"3f18d1fdea398d35"
]
]
},
{
"id": "3f18d1fdea398d35",
"type": "ຫນ້າທີ່",
"ຈາກ": "09e0777eaff7fdea",
"g": "c1661722c7db00f9",
"name": "Extract serial port status",
"func": "ໃຫ້ sta = msg.status.text;\nlet color = 'red';\nif (sta.indexOf('not-connected') >= 0) \n sta = 'ບໍ່ໄດ້ເຊື່ອມຕໍ່';\nelse ຖ້າ (sta.indexOf('connected') >= 0)\n{\n sta = 'ການເຊື່ອມຕໍ່ສຳເລັດ';\n color = 'green';\n}else\n sta = 'ເກີດຄວາມຜິດພາດ';\nmsg[' payload'] = sta;\nmsg['color'] = ສີ;\n\nກັບຄືນ msg;",
"ຜົນໄດ້ຮັບ": 1,
"ໝົດເວລາ": 0,
"noerr": 0,
"initialize": "",
"finalize": "",
"libs": [],
"x": 620,
"ແລະ": 200,
"ສາຍໄຟ": [
[
"2ec78ff0b0b9a56f"
]
]
},
{
"id": "2ec78ff0b0b9a56f",
"type": "ui_template",
"ຈາກ": "09e0777eaff7fdea",
"g": "c1661722c7db00f9",
"ກຸ່ມ": "4e4db779a7b91019",
"name": "ສະແດງສະຖານະ serial port",
"ຄໍາສັ່ງ": 1,
"ກວ້າງ": 0,
"ຄວາມສູງ": 0,
"ຮູບແບບ": "
2. DGUSIໜ້າຕາງເຄື່ອງຫມາຍ
![asva (4)](https://ecdn6.globalso.com/upload/p/1355/source/2024-03/65f96bae62cee44597.jpg)
1. ການອອກແບບວິສະວະກໍາ C51
ການແກ້ໄຂໃຊ້ T5L smart screen serial port 2 ເພື່ອຕິດຕໍ່ສື່ສານກັບຫນ້າເວັບ Node-RED. ບາງລະຫັດອ້າງອີງມີດັ່ງນີ້:
#ລວມທັງ "sys.h"
#ລວມທັງ "uart2.h"
#ລວມທັງ
#ລວມທັງ
u8 buff[200];
void main(void)
{
u16 ເລກ;
u16val;
u16ອາຍຸ;
u8i;
sys_init();
uart2_init(115200);
old=0;
ໃນຂະນະທີ່ (1)
{
ຖ້າ(is_recv_complete)
{
uart2_buf[recv_len++]= 0;
uart2_buf[recv_len++]= 0;
ຖ້າ(strstr((char*)uart2_buf,"cmd"))
{
num= uart2_buf[3]-'0';
ຖ້າ(ຕົວເລກ
{
ສໍາລັບ(i=0;i
{
val= (num==i);
sys_write_vp(0x2300+i,(u8*)&val, 1);
}
}elseif(ຕົວເລກ
{
val=(num==3);
sys_write_vp(0x2200,(u8*)&val, 1);
}
}ອື່ນ
{
sys_write_vp(0x2000,uart2_buf, recv_len/2+2);
}
recv_len= 0;
is_recv_complete= 0;
}
sys_read_vp(0x1000,(u8*)&val, 1);
ຖ້າ(val==1)
{
sys_read_vp(0x2100,buff, 50);
ສໍາລັບ(i=0;i
{
ຖ້າ(buff==0xff)
{
buff=0x00;
buff[i+1]= 0x00;
ພັກຜ່ອນ;
}
}
u2_send_bytes(buff,strlen(buff));
val=0;
sys_write_vp(0x1000,(u8*)&val, 1);
}
sys_read_vp(0x2400,(u8*)&val, 1);
ຖ້າ(val!=old)
{
sprintf(buff,"%d", val);
u2_send_bytes(buff,strlen(buff));
old=val;
}
}
}
ເວລາປະກາດ: 28-12-2023
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