From 5f12711c242c6ef0b37b2ff37ecac78d9ed4fff5 Mon Sep 17 00:00:00 2001
From: borisbstyle <dreambb1982@gmail.com>
Date: Fri, 6 Nov 2015 11:31:36 +0100
Subject: [PATCH] Easy compile option for buzzer on PIN6

---
 src/main/drivers/pwm_mapping.c | 16 ++++++++++++----
 src/main/target/CC3D/target.h  |  6 ++++++
 2 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/src/main/drivers/pwm_mapping.c b/src/main/drivers/pwm_mapping.c
index 88ebaba33..1bbdf7f29 100755
--- a/src/main/drivers/pwm_mapping.c
+++ b/src/main/drivers/pwm_mapping.c
@@ -152,7 +152,9 @@ static const uint16_t multiPPM[] = {
     PWM9  | (MAP_TO_MOTOR_OUTPUT << 8),
     PWM10 | (MAP_TO_MOTOR_OUTPUT << 8),
     PWM11 | (MAP_TO_MOTOR_OUTPUT << 8),
-    //PWM12 | (MAP_TO_MOTOR_OUTPUT << 8),
+#ifndef BEEPER_PIN6
+    PWM12 | (MAP_TO_MOTOR_OUTPUT << 8),
+#endif
     PWM2  | (MAP_TO_MOTOR_OUTPUT << 8),      // Swap to servo if needed
     PWM3  | (MAP_TO_MOTOR_OUTPUT << 8),      // Swap to servo if needed
     PWM4  | (MAP_TO_MOTOR_OUTPUT << 8),      // Swap to servo if needed
@@ -172,7 +174,9 @@ static const uint16_t multiPWM[] = {
     PWM9  | (MAP_TO_MOTOR_OUTPUT  << 8),     // motor #1 or #3
     PWM10 | (MAP_TO_MOTOR_OUTPUT  << 8),
     PWM11 | (MAP_TO_MOTOR_OUTPUT  << 8),
-    //PWM12 | (MAP_TO_MOTOR_OUTPUT  << 8),     // motor #4 or #6
+#ifndef BEEPER_PIN6
+    PWM12 | (MAP_TO_MOTOR_OUTPUT  << 8),     // motor #4 or #6
+#endif
     0xFFFF
 };
 
@@ -183,7 +187,9 @@ static const uint16_t airPPM[] = {
     PWM9  | (MAP_TO_SERVO_OUTPUT  << 8),
     PWM10 | (MAP_TO_SERVO_OUTPUT  << 8),
     PWM11 | (MAP_TO_SERVO_OUTPUT  << 8),
-    //PWM12 | (MAP_TO_SERVO_OUTPUT  << 8),
+#ifndef BEEPER_PIN6
+    PWM12 | (MAP_TO_SERVO_OUTPUT  << 8),
+#endif
     PWM2  | (MAP_TO_SERVO_OUTPUT  << 8),
     PWM3  | (MAP_TO_SERVO_OUTPUT  << 8),
     PWM4  | (MAP_TO_SERVO_OUTPUT  << 8),
@@ -204,7 +210,9 @@ static const uint16_t airPWM[] = {
     PWM9  | (MAP_TO_SERVO_OUTPUT  << 8),     // servo #1
     PWM10 | (MAP_TO_SERVO_OUTPUT  << 8),     // servo #2
     PWM11 | (MAP_TO_SERVO_OUTPUT  << 8),     // servo #3
-    //PWM12 | (MAP_TO_SERVO_OUTPUT  << 8),     // servo #4
+#ifndef BEEPER_PIN6
+    PWM12 | (MAP_TO_SERVO_OUTPUT  << 8),     // servo #4
+#endif
     0xFFFF
 };
 #endif
diff --git a/src/main/target/CC3D/target.h b/src/main/target/CC3D/target.h
index aff045dd0..e0e9cc79f 100644
--- a/src/main/target/CC3D/target.h
+++ b/src/main/target/CC3D/target.h
@@ -27,8 +27,14 @@
 #define INVERTER_PERIPHERAL RCC_APB2Periph_GPIOB
 #define INVERTER_USART USART1
 
+//#define BEEPER_PIN6 // Uncomment this line for hexacopter configurations where PIN6 is needed for motor
+
 #define BEEP_GPIO GPIOA
+#ifdef BEEPER_PIN6
 #define BEEP_PIN Pin_2 // PA2 (Beeper)
+#else
+#define BEEP_PIN Pin_15 // PA15 (Beeper)
+#endif
 #define BEEP_PERIPHERAL RCC_APB2Periph_GPIOA
 
 #define MPU6000_CS_GPIO       GPIOA
-- 
2.11.4.GIT