inkblot/esp32-lilygo-t5
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statically add paper c library to lua interpreter

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This commit is contained in:
arne 2025-10-04 19:30:39 +02:00
commit 11bbd60872
2 changed files with 18 additions and 17 deletions
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6
assets/epaper.lua Normal file
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@ -0,0 +1,6 @@
local paper = require('paper')
paper.init()
print(
'width: ' .. paper.get_width(),
'height: ' .. paper.get_height()
)

29
main/inkpot.c
View file

@ -72,6 +72,11 @@ void run_lua_file(const char *file_name, const char *test_name) {
log_memory_usage("After luaL_openlibs"); log_memory_usage("After luaL_openlibs");
// load `paper` library and expose it globally
luaL_requiref(L, "paper", luaopen_paper, 1);
lua_pop(L, 1);
log_memory_usage("After adding paper");
// Construct the full file path // Construct the full file path
char full_path[128]; char full_path[128];
snprintf(full_path, sizeof(full_path), LUA_FILE_PATH"/%s", file_name); snprintf(full_path, sizeof(full_path), LUA_FILE_PATH"/%s", file_name);
@ -106,8 +111,10 @@ void run_embedded_lua_test(const char *lua_script, const char *test_name) {
luaL_openlibs(L); luaL_openlibs(L);
log_memory_usage("After luaL_openlibs"); log_memory_usage("After luaL_openlibs");
luaopen_paper(L); // load `paper` library and expose it globally
log_memory_usage("After luaopen_paper"); luaL_requiref(L, "paper", luaopen_paper, 1);
lua_pop(L, 1);
log_memory_usage("After adding paper");
if (luaL_dostring(L, lua_script) == LUA_OK) { if (luaL_dostring(L, lua_script) == LUA_OK) {
lua_pop(L, lua_gettop(L)); lua_pop(L, lua_gettop(L));
@ -224,24 +231,12 @@ void app_main(void) {
epd_hl_update_screen(&hl, MODE_GC16, temperature); epd_hl_update_screen(&hl, MODE_GC16, temperature);
epd_poweroff(); epd_poweroff();
*/ */
// Initialize and mount the filesystem // Initialize and mount the filesystem
init_filesystem(); init_filesystem();
// Test 1: Simple embedded Lua script // Run script in assets/epaper.lua
const char *simple_script = "answer = 42; print('The answer is: '..answer)"; run_lua_file("epaper.lua", "E-Paper Script");
run_embedded_lua_test(simple_script, "Simple Embedded Script");
//const char *paper_script = "local paper = require('paper'); paper.init(); print('width: '..paper.get_width(), 'height: '..paper.get_height())";
//run_embedded_lua_test(paper_script, "Paper Script");
// Test 2: Run Lua script from a file (e.g., fibonacci.lua)
run_lua_file("fibonacci.lua", "Fibonacci Script from File");
// Test 3: Run Lua script to generate QR code (e.g., qr_code.lua)
run_lua_file("qr_code.lua", "QR Code Script from File");
// Perform Wi-Fi scan
// scan_wifi_networks();
ESP_LOGI(TAG, "End of testing application."); ESP_LOGI(TAG, "End of testing application.");