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feat: reading data from serial port

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This commit is contained in:
Sergey Yarkov 2022-09-20 20:15:47 +03:00
parent f9f5b707f7
commit c524b034e1
10 changed files with 207 additions and 189 deletions
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build/default/production/command.o
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2
command.c
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@ -30,11 +30,13 @@ uint8_t command_process(char *cmd_name) {
execute = commands[i].addr;
execute();
USART1_SendString("[LOG]: Command completed successfully with code \"0\".\n");
USART1_SendChar(EOT);
return 0;
}
} while (i++ < COMMAND_SIZE);
USART1_SendString("[LOG]: Invalid command name!\n");
USART1_SendChar(EOT);
return 1;
}

1
command.h
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@ -4,6 +4,7 @@
#include <avr/io.h>
#include <string.h>
#define EOT 0x04
#define COMMAND_SIZE 5
#define COMMAND_MAX_NAME_LENGTH 20

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dist/default/production/avr128da48_web-serial-example.X.production.elf vendored
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dist/default/production/avr128da48_web-serial-example.X.production.hex vendored
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dist/default/production/avr128da48_web-serial-example.X.production.map vendored
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@ -410,12 +410,12 @@ END GROUP
.debug_pubnames
*(.debug_pubnames)
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@ -424,12 +424,12 @@ END GROUP
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@ -514,151 +514,151 @@ LOAD data_init
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0x00000000000004de _fini
0x00000000000004ea 0x2 c:/program files/microchip/xc8/v2.36/avr/bin/../lib/gcc/avr/5.4.0/../../../../avr/lib/avrxmega4/memx-const/mapped\libc.a(exit.o)
0x00000000000004ea _fini
.text.__dummy_funcs_on_exit
0x00000000000004e0 0x2
0x00000000000004ec 0x2
.text.__dummy_funcs_on_exit
0x00000000000004e0 0x2 c:/program files/microchip/xc8/v2.36/avr/bin/../lib/gcc/avr/5.4.0/../../../../avr/lib/avrxmega4/memx-const/mapped\libc.a(exit.o)
0x00000000000004e0 __funcs_on_exit
0x00000000000004ec 0x2 c:/program files/microchip/xc8/v2.36/avr/bin/../lib/gcc/avr/5.4.0/../../../../avr/lib/avrxmega4/memx-const/mapped\libc.a(exit.o)
0x00000000000004ec __funcs_on_exit
.text.__dummy_simulator_exit
0x00000000000004e2 0x2
0x00000000000004ee 0x2
.text.__dummy_simulator_exit
0x00000000000004e2 0x2 c:/program files/microchip/xc8/v2.36/avr/bin/../lib/gcc/avr/5.4.0/../../../../avr/lib/avrxmega4/memx-const/mapped\libc.a(exit.o)
0x00000000000004e2 __simulator_exit
0x00000000000004ee 0x2 c:/program files/microchip/xc8/v2.36/avr/bin/../lib/gcc/avr/5.4.0/../../../../avr/lib/avrxmega4/memx-const/mapped\libc.a(exit.o)
0x00000000000004ee __simulator_exit

4
dist/default/production/memoryfile.xml vendored
View File

@ -4,8 +4,8 @@
<memory name="program">
<units>bytes</units>
<length>131072</length>
<used>1251</used>
<free>129821</free>
<used>1263</used>
<free>129809</free>
</memory>
<memory name="data">
<units>bytes</units>

2
nbproject/private/private.xml
View File

@ -3,7 +3,9 @@
<editor-bookmarks xmlns="http://www.netbeans.org/ns/editor-bookmarks/2" lastBookmarkId="0"/>
<open-files xmlns="http://www.netbeans.org/ns/projectui-open-files/2">
<group>
<file>file:/D:/Apps/avr128da48_web-serial-example.X/command.h</file>
<file>file:/D:/Apps/avr128da48_web-serial-example.X/main.c</file>
<file>file:/D:/Apps/avr128da48_web-serial-example.X/command.c</file>
</group>
</open-files>
</project-private>

39
web/app.js
View File

@ -6,8 +6,6 @@ class SerialPortHandler {
this.onDisconnect = onDisconnect;
this.options = options;
this.port = null;
this.writer = null;
this.reader = null;
this.isOpened = false;
this.#setupListeners();
}
@ -19,8 +17,6 @@ class SerialPortHandler {
await port.open(this.options);
this.port = port;
this.writer = port.writable.getWriter();
this.reader = port.readable.getReader();
this.isOpened = true;
return this.port.getInfo();
@ -35,22 +31,33 @@ class SerialPortHandler {
async close() {
await this.port.close();
this.isOpened = false;
}
async write(data) {
const writer = this.port.writable.getWriter();
const encoded = this.encoder.encode(data);
await this.writer.write(encoded);
await writer.write(encoded);
writer.releaseLock();
}
async read() {
const reader = this.port.readable.getReader();
const chunks = [];
while (true) {
const { value, done } = await this.reader.read();
if (done) {
this.reader.releaseLock();
const { value, done } = await reader.read();
const decoded = this.decoder.decode(value);
chunks.push(decoded);
if (done || decoded.includes('\u0004')) {
console.log('done');
reader.releaseLock();
break;
}
console.log(this.decoder.decode(value));
}
return chunks.join('');
}
#setupListeners() {
@ -80,9 +87,9 @@ const serialPortHandler = new SerialPortHandler(
async function onConnect() {
try {
if (serialPortHandler.isOpened) return;
const info = await serialPortHandler.open();
console.log('Device connected: ', info);
console.log(serialPortHandler.port);
console.log('Port opened: ', info);
$terminalForm.elements.input.removeAttribute('disabled');
$vendorId.textContent = '0x' + info.usbVendorId.toString(16);
$productId.textContent = '0x' + info.usbProductId.toString(16);
@ -93,6 +100,7 @@ async function onConnect() {
}
async function onDisconnect() {
if (!serialPortHandler.isOpened) return;
await serialPortHandler.close();
$vendorId.textContent = '-';
$productId.textContent = '-';
@ -104,10 +112,15 @@ async function onSend(e) {
const $form = e.target;
const data = $form.elements.input.value;
$form.reset();
if (serialPortHandler.isOpened) {
if (serialPortHandler.isOpened && data) {
$serialLog.innerHTML += data + '\n';
await serialPortHandler.write(data + '\n');
await serialPortHandler.read();
const message = await serialPortHandler.read();
$serialLog.textContent += message;
$serialLog.textContent += '\n';
console.log(message);
}
$serialLog.scrollTo(0, $serialLog.scrollHeight);
}
$connectButton.addEventListener('click', onConnect);