📝 (Examples): update to compile under AVR

Author: leon0399

examples/PCA9685/Servo/Servo.ino

@@ -23,20 +23,17 @@ void setup() {
     Serial.begin(115200);
     Serial.println("I2CDevLib Example - PCA9685 Test");
 
-    if (!Wire.begin()) {
-        Serial.println("[E] Failed to init Wire!");
-        while(true) {};
-    }
+    Wire.begin();
 
     // auto result = pca9685.setPrescale(100);
     result = pca9685.setFrequency(SERVO_FREQ);
     if (result != I2CDEV_RESULT_OK) {
-        Serial.printf("[E] Failed to set PCA9685 prescale: %i\n", result);
+        Serial.println("[E] Failed to set PCA9685 prescale");
         while(true) {};
     }
     result = pca9685.wakeup();
     if (result != I2CDEV_RESULT_OK) {
-        Serial.printf("[E] Failed wakeup PCA9685: %i\n", result);
+        Serial.println("[E] Failed to wake up PCA9685");
         while(true) {};
     }
 
@@ -46,16 +43,14 @@ void setup() {
 uint8_t currentServo = 0;
 
 void loop() {
-    Serial.printf("Current servo: %i\n", currentServo);
+    Serial.print("Current servo: "); Serial.println(currentServo);
 
     Serial.println("\t > SERVO_PULSE_LEN_MIN => SERVO_PULSE_LEN_MAX");
     for (uint16_t pulseLen = SERVO_PULSE_LEN_MIN; pulseLen < SERVO_PULSE_LEN_MAX; pulseLen++) {
         result = pca9685.setChannel(currentServo, pulseLen);
         if (result != I2CDEV_RESULT_OK) {
-            Serial.printf("[E] Failed to set PCA9685 pin: %i\n", result);
+            Serial.println("[E] Failed to set PCA9685 pin");
         }
-        // delay(5);
-        // Serial.printf("\t > SERVO_PULSE_LEN_MIN => SERVO_PULSE_LEN_MAX: %i\n", pulseLen);
     }
 
     delay(500);
@@ -64,10 +59,8 @@ void loop() {
     for (uint16_t pulseLen = SERVO_PULSE_LEN_MAX; pulseLen > SERVO_PULSE_LEN_MIN; pulseLen--) {
         result = pca9685.setChannel(currentServo, pulseLen);
         if (result != I2CDEV_RESULT_OK) {
-            Serial.printf("[E] Failed to set PCA9685 pin: %i\n", result);
+            Serial.println("[E] Failed to set PCA9685 pin");
         }
-        // delay(5);
-        // Serial.printf("\t > SERVO_PULSE_LEN_MAX => SERVO_PULSE_LEN_MIN: %i\n", pulseLen);
     }
 
     delay(500);
@@ -76,10 +69,8 @@ void loop() {
     for (uint16_t uSec = SERVO_US_MIN; uSec < SERVO_US_MAX; uSec++) {
         result = pca9685.writeMicroseconds(currentServo, uSec);
         if (result != I2CDEV_RESULT_OK) {
-            Serial.printf("[E] Failed to set PCA9685 microseconds: %i\n", result);
+            Serial.println("[E] Failed to set PCA9685 microseconds");
         }
-        // delay(5);
-        // Serial.printf("\t > SERVO_US_MIN => SERVO_US_MAX: %i\n", uSec);
     }
 
     delay(500);
@@ -88,10 +79,8 @@ void loop() {
     for (uint16_t uSec = SERVO_US_MAX; uSec > SERVO_US_MIN; uSec--) {
         result = pca9685.writeMicroseconds(currentServo, uSec);
         if (result != I2CDEV_RESULT_OK) {
-            Serial.printf("[E] Failed to set PCA9685 microseconds: %i\n", result);
+            Serial.println("[E] Failed to set PCA9685 microseconds");
         }
-        // delay(5);
-        // Serial.printf("\t > SERVO_US_MAX => SERVO_US_MIN: %i\n", uSec);
     }
 
     delay(500);

examples/PCA9685/VibroPulse/VibroPulse.ino

@@ -17,20 +17,17 @@ void setup() {
     Serial.begin(115200);
     Serial.println("I2CDevLib Example - PCA9685 Test");
 
-    if (!Wire.begin()) {
-        Serial.println("[E] Failed to init Wire!");
-        while(true) {};
-    }
+    Wire.begin();
 
     // auto result = pca9685.setPrescale(100);
     result = pca9685.setFrequency(PWM_FREQ);
     if (result != I2CDEV_RESULT_OK) {
-        Serial.printf("[E] Failed to set PCA9685 prescale: %i\n", result);
+        Serial.println("[E] Failed to set PCA9685 prescale");
         while(true) {};
     }
     result = pca9685.wakeup();
     if (result != I2CDEV_RESULT_OK) {
-        Serial.printf("[E] Failed wakeup PCA9685: %i\n", result);
+        Serial.println("[E] Failed wakeup PCA9685");
         while(true) {};
     }
 
@@ -46,7 +43,7 @@ void pulse(uint8_t pin) {
 uint8_t currentVibro = 0;
 
 void loop() {
-    Serial.printf("Current vibro: %i\n", currentVibro);
+    Serial.print("Current vibro: "); Serial.println(currentVibro);
 
     pulse(currentVibro);
     delay(100);