Run commands

frontend/wasm/index.html

@@ -36,6 +36,11 @@
 
     <div id="performance"></div>
 
+    <div>
+        <input type="text" id="command">
+        <button onclick="myWorker.postMessage({ type: 'runCommand', command: document.getElementById('command').value })">Run</button>
+    </div>
+
     <script>
         const myWorker = new Worker("infiniemu.worker.js");
         const display = document.getElementById("display");

frontend/wasm/infiniemu.worker.js

@@ -5,13 +5,15 @@ var Module = {
 
         postMessage({ type: "ready" });
     },
+    print(text) {
+        console.log("print", text);
+    }
 };
 
 importScripts("infiniemu.js");
-
 const iterations = 700000;
 
-var pt, lcd, touch, pins;
+var pt, lcd, touch, pins, cmd;
 
 var isLcdSleeping = false;
 var displayBufferPointer, rgbaBufferPointer;
@@ -54,6 +56,12 @@ onmessage = (e) => {
             Module._pins_clear(pins, 13);
             break;
 
+        case "runCommand":
+            const str = stringToNewUTF8(e.data.command);
+            Module._commander_run_command(cmd, str);
+            Module._free(str);
+            break;
+
         case "loadProgram":
             if (pt) {
                 console.error("Pinetime already loaded");
@@ -69,6 +77,9 @@ onmessage = (e) => {
             lcd = Module._pinetime_get_st7789(pt);
             touch = Module._pinetime_get_cst816s(pt);
             pins = Module._nrf52832_get_pins(Module._pinetime_get_nrf52832(pt));
+            cmd = Module._commander_new(pt);
+
+            Module._commander_set_output(cmd, Module._commander_output);
 
             displayBufferPointer = Module._malloc(240 * 240 * 2);
             rgbaBufferPointer = Module._malloc(240 * 240 * 4);

src/CMakeLists.txt

@@ -52,11 +52,13 @@ set(SRC_FILES
 )
 
 set(WASM_EXPORTS
-    malloc pinetime_new pinetime_step pinetime_loop
+    malloc free
+    pinetime_new pinetime_step pinetime_loop
     pinetime_get_st7789 st7789_read_screen_rgba st7789_is_sleeping st7789_get_write_count st7789_is_sleeping
     pinetime_get_cst816s cst816s_do_touch cst816s_release_touch
     pinetime_get_nrf52832 nrf52832_get_pins pins_set pins_clear
     program_new program_load_binary program_load_elf
+    commander_new commander_set_output commander_run_command commander_output
 )
 
 set(LIBS m tiny-aes capstone)
@@ -79,7 +81,7 @@ if(EMSCRIPTEN)
     list(JOIN WASM_EXPORTS "," WASM_EXPORTS_STR)
 
     target_link_options(infiniemu-wasm PRIVATE "-sEXPORTED_FUNCTIONS=${WASM_EXPORTS_STR}")
-    target_link_options(infiniemu-wasm PRIVATE -sTOTAL_STACK=64MB -sALLOW_MEMORY_GROWTH -sEXPORTED_RUNTIME_METHODS=ccall,cwrap)
+    target_link_options(infiniemu-wasm PRIVATE -sTOTAL_STACK=64MB -sALLOW_MEMORY_GROWTH -sEXPORTED_RUNTIME_METHODS=ccall,cwrap,stringToNewUTF8)
 else()
     add_executable(infiniemu-cli ${SRC_FILES} main.c)
     add_library(infiniemu-lib STATIC ${SRC_FILES})

src/wasm.c

@@ -1,6 +1,8 @@
 #include "pinetime.h"
 #include "components/spi/st7789.h"
 
+#include <emscripten.h>
+
 bool pinetime_loop(pinetime_t *pt, size_t n)
 {
     st7789_t *lcd = pinetime_get_st7789(pt);
@@ -39,3 +41,10 @@ void st7789_read_screen_rgba(st7789_t *st, uint8_t *screen_buffer, uint8_t *rgba
         }
     }
 }
+
+void commander_output(const char *msg, void *userdata)
+{
+    EM_ASM({
+        console.log($0);
+    }, msg);
+}