Validate gpio in gpio command

whowechina · Apr 29, 2024 · 9d5165a · 9d5165a
1 parent ed44780
commit 9d5165a
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diff --git a/Production/firmware/mai_pico.uf2 b/Production/firmware/mai_pico.uf2
diff --git a/firmware/src/commands.c b/firmware/src/commands.c
@@ -449,7 +449,7 @@ static void handle_gpio(int argc, char *argv[])
         uint8_t gpio_main[8];
         for (int i = 0; i < 8; i++) {
             int gpio = cli_extract_non_neg_int(argv[i + 1], 0);
-            if (gpio > 29) {
+            if ((gpio < 0) || (gpio > 29)) {
                 printf(usage);
                 return;
             }