fix up step 4

main/drivers/leds.cpp

@@ -5,7 +5,7 @@ led_strip_handle_t leds;
 void init_leds(void) {
     led_strip_config_t strip_config = {
         .strip_gpio_num = NEOPIXEL_PIN,
-        .max_leds = PIXEL_COUNT,
+        .max_leds = LED_COUNT,
         .led_pixel_format = LED_PIXEL_FORMAT_GRB,
         .led_model = LED_MODEL_WS2812
     };
@@ -20,8 +20,8 @@ void init_leds(void) {
 }
 
 void example_leds(void) {
-    for (int i = 0; i < PIXEL_COUNT; i++) {
-        ESP_ERROR_CHECK(led_strip_set_pixel(leds, i, i, PIXEL_COUNT-i, 0));
+    for (int i = 0; i < LED_COUNT; i++) {
+        ESP_ERROR_CHECK(led_strip_set_pixel(leds, i, i, LED_COUNT-i, 0));
     }
     ESP_ERROR_CHECK(led_strip_refresh(leds));
 }

main/drivers/leds.h

@@ -3,7 +3,7 @@
 
 #include "led_strip.h"
 
-#define PIXEL_COUNT 21
+#define LED_COUNT 21
 #define NEOPIXEL_PIN GPIO_NUM_7
 // 10MHz resolution, 1 tick = 0.1us (led strip needs a high resolution)
 #define LED_STRIP_RMT_RES_HZ  (10 * 1000 * 1000)

main/drivers/wires.cpp

@@ -77,6 +77,8 @@ void clear_wires_pressed_released_cut(void) {
 
 void strike(char* reason) {
     ESP_LOGW("strike!", "%s", reason);
+    lcd_set_cursor(&lcd, 0, 3);
+    lcd_print(&lcd, reason);
     uint8_t reg = 6;
     ESP_ERROR_CHECK_WITHOUT_ABORT(i2c_master_write_to_device(WIRES_I2C_NUM, WIRES_I2C_ADDR, &reg, 1, (100 / portTICK_PERIOD_MS)));
 }

main/drivers/wires.h

@@ -5,6 +5,7 @@
 #include <driver/i2c.h>
 #include <driver/gpio.h>
 #include <esp_log.h>
+#include "drivers/char_lcd.h"
 
 #define WIRES_PIN_DELTA GPIO_NUM_2
 #define WIRES_I2C_NUM I2C_NUM_1