Fix LCD backlight PWM for basic

Protocentral · Oct 28, 2024 · 12008a1 · 12008a1
1 parent 2d2e861
commit 12008a1
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/app/src/hw_module.c b/app/src/hw_module.c
@@ -69,7 +69,10 @@ const struct device *const max30001_dev = DEVICE_DT_GET_ANY(maxim_max30001);
 const struct device *const afe4400_dev = DEVICE_DT_GET_ANY(ti_afe4400);
 const struct device *const max30205_dev = DEVICE_DT_GET_ANY(maxim_max30205);
 const struct device *fg_dev;
+
+#ifdef CONFIG_HEALTHYPI_DISPLAY_ENABLED
 static const struct pwm_dt_spec bl_led_pwm = PWM_DT_SPEC_GET(DT_ALIAS(bl_led_pwm));
+#endif 
 
 uint8_t global_batt_level = 0;
 
@@ -326,6 +329,8 @@ void hw_thread(void)
 
     usb_init();
 
+#ifdef CONFIG_HEALTHYPI_DISPLAY_ENABLED
+    // PWM for LCD Backlight
     if (!pwm_is_ready_dt(&bl_led_pwm))
     {
         printk("Error: PWM device %s is not ready\n",
@@ -339,6 +344,7 @@ void hw_thread(void)
         printk("Error %d: failed to set pulse width\n", ret);
         // return 0;
     }
+#endif
 
     for (;;)
     {