| // Source for the https://www.youtube.com/watch?v=pp9AM5A1mDs | |
| // Written & tested on MacOS | |
| // To discuss or report issues, join https://discord.gg/KfR8E6wSds | |
| #include <arpa/inet.h> | |
| #include <errno.h> | |
| #include <fcntl.h> | |
| #include <netinet/in.h> | |
| #include <stdio.h> | |
| #include <stdlib.h> |
| #!/bin/bash | |
| # SWD commands to call rt1060 flash boot rom functions | |
| DEVCALL="curl -su :$VCON_API_KEY https://dash.vcon.io/api/v3/devices/13" | |
| # SWD exec: se COMMANDS. Hex addresses are without leading 0x | |
| se() { $DEVCALL/rpc/swd.exec -d "{\"req\": \"$*\"}" | jq -cr .resp ; } | |
| rm() { se rm,$1 | cut -d, -f2 ; } | |
| dump() { $DEVCALL/rpc/swd.read -d "{\"addr\":$1, \"size\": $2}" | jq -r .data | xxd -r -p | hexdump -C ; } | |
| hex() { node -p "($*).toString(16)"; } |
Example MCU: STM32 H743ZI
| Example | Type | Description |
|---|---|---|
| H | Type | F: mainstream, L: low power, H: high performance, W: wireless |
| 7 | Core | 0: M0, 1: M3, 2: M3, 3: M4, 4: M4, 7: M7 |
| 23 | Line | speed, peripherals, silicon process, … |
| Z | Pin count | F: 20, G: 28, K: 32, T: 36, S: 44, C: 48, R: 64,66, V: 100, Z: 144, I: 176 |
| // Copyright (c) Cesanta Software Limited | |
| // All rights reserved | |
| // SPDX-License-Identifier: MIT | |
| // Usage example (Arduino): | |
| // char buf[100]; | |
| // struct slip slip = {.buf = buf, .size = sizeof(buf) - 1}; | |
| // ... | |
| // unsigned char c = Serial.read(); | |
| // size_t len = slip_recv(c, &slip); |
| #include <sttdef.h> | |
| // Single producer, single consumer non-blocking queue | |
| // | |
| // Producer: | |
| // void *buf; | |
| // while (mg_queue_space(q, &buf, len) == 0) WAIT(); // Wait for free space | |
| // memcpy(buf, data, len); // Copy data to the queue | |
| // mg_queue_add(q, len); // Advance q->head | |
| // |
| // Single producer, single consumer non-blocking queue | |
| // | |
| // Producer: | |
| // void *buf; | |
| // while (mg_queue_space(q, &buf, len) == 0) WAIT(); // Wait for free space | |
| // memcpy(buf, data, len); // Copy data to the queue | |
| // mg_queue_add(q, len); // Advance q->head | |
| // | |
| // Consumer: | |
| // void *buf; |
| <!DOCTYPE html> | |
| <html lang="en"> | |
| <head> | |
| <title>modal</title> | |
| <meta charset="utf-8" /> | |
| <meta http-equiv="X-UA-Compatible" content="IE=edge" /> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0" /> | |
| <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/5.1.0/css/bootstrap.min.css" /> | |
| </head> | |
| <body></body> |
| // Blink LED | |
| 2 = pin // pin = 2 | |
| 0 = on // on = 0 | |
| pin 2 G // gpio.mode(pin, OUTPUT) | |
| 1000 { !on = on pin on W } T | |
| 'mqtt://broker.hivemq.com:1883' M = c | |
| c 'elk/rx' { | |
| 'topic' $1 'message' $2 '{%Q:%Q, %Q:%Q}' c P // mqtt.publish | |
| } S // mqtt.subscribe(c, topic, func) |
| <html> | |
| <head> | |
| <style> | |
| * { box-sizing: border-box; } | |
| body, html { padding: 0; margin: 0; } | |
| .main { height: 100vh; } | |
| .content { padding: 1em; } | |
| .split { display: flex; flex-grow: 1; flex-shrink: 1; width: 100%; height: 100%; box-sizing: border-box; } | |
| .split>* { flex-grow: 1; flex-shrink: 1; width: 100%; height: 100%; overflow: auto; -webkit-overflow-scrolling: touch; } |
| // This file contains two sketches for the end-user networking API that implements | |
| // a simple WS service: WS message with JSON input {"pin": 12, "val": 0}, and JSON response {"status": true} | |
| // WS handler, streaming API (think AVR) | |
| // We don't buffer an incoming WS message. Instead, we feed | |
| // TCP stack, and user handler, byte-by-byte. | |
| // Some important values from the parsed HTTP header gets stored | |
| // and passed to the user handler. | |
| void ws_handler(struct conn *c, int event, size_t content_len, size_t receided_so_far, uint8_t byte) { | |
| if (event == EVENT_INCOMING_BYTE) { |
