Change LED feedback for MCUboot operations:

  Green fade in fade out -> Idle state
  Violet blink -> verify, swap, overwrite slot

Author: pennam

app/target.cpp

@@ -51,54 +51,17 @@ volatile uint8_t ledTargetValue = 20;
 volatile int8_t ledDirection = 1;
 volatile int divisor = 0;
 
+DigitalOut red(PK_5, 1);
 DigitalOut green(PK_6, 1);
 DigitalOut blue(PK_7, 1);
 
 Ticker swap_ticker;
-int mcuboot_swap_index = -1;
 
 bool debug_enabled = false;
 
 static inline void swap_feedback() {
-
-  static int blink_idx = 0;
-  static int blink_state = 0;
-
-  if(mcuboot_swap_index >= 0){
-    switch(blink_state) {
-      case 0: {
-        if(blink_idx < mcuboot_swap_index) {
-          if(blue == 0){
-            blue = 1;
-          } else {
-            blue = 0;
-            blink_idx++;
-          }
-        } else {
-          blink_idx = 0;
-          blink_state = 1;
-        }
-        green = 1;
-      }
-      break;
-
-      case 1: {
-        if(blink_idx < (15 - mcuboot_swap_index)) {
-          if(green == 0){
-            green = 1;
-          } else {
-            green = 0;
-            blink_idx++;
-          }
-        } else {
-          blink_idx = 0;
-          blink_state = 0;
-        }
-        blue = 1;
-      }
-      break;
-    }
-  }
+  blue = !blue;
+  red = !red;
 }
 
 static inline void LED_pulse(DigitalOut* led)
@@ -166,6 +129,14 @@ int target_debug_init(void) {
   return 0;
 }
 
+int target_led_off(void) {
+  swap_ticker.detach();
+  red = 1;
+  green = 1;
+  blue = 1;
+  return 0;
+}
+
 
 int target_init(void) {
   DigitalIn boot_sel(PI_8,PullDown);
@@ -309,6 +280,8 @@ int target_loop(void) {
   SetSysClock_PLL_HSE(1, false);
   SystemCoreClockUpdate();
 
+  target_led_off();
+
   //turnDownEthernet();
 
 #if MCUBOOT_APPLICATION_DFU

app/target.h

@@ -74,5 +74,6 @@
 int target_debug_init(void);
 int target_loop(void);
 int target_debug(void);
+int target_led_off(void);
 
 #endif /* __TARGET_INIT_H */