Allow disabling of I2C for targets that do not use it.

Makefile

@@ -312,7 +312,6 @@ CC3D_SRC	 = startup_stm32f10x_md_gcc.S \
 		   drivers/accgyro_spi_mpu6000.c \
 		   drivers/adc.c \
 		   drivers/adc_stm32f10x.c \
-		   drivers/bus_i2c_stm32f10x.c \
 		   drivers/bus_spi.c \
 		   drivers/gpio_stm32f10x.c \
 		   drivers/inverter.c \

src/main/drivers/bus_i2c_stm32f30x.c

@@ -162,6 +162,7 @@ void i2cInitPort(I2C_TypeDef *I2Cx)
 
 void i2cInit(I2CDevice index)
 {
+    UNUSED(index);
     i2cInitPort(I2C1); // FIXME hard coded to use I2C1 for now
 }
 

src/main/drivers/system.c

@@ -131,7 +131,7 @@ void systemInit(bool overclock)
     spiInit(SPI2);
 #endif
 
-#ifndef CC3D
+#ifdef USE_I2C
     // Configure the rest of the stuff
     i2cInit(I2C_DEVICE);
 #endif

src/main/io/serial_cli.c

@@ -1161,7 +1161,13 @@ static void cliStatus(char *cmdline)
     }
     cliPrint("\r\n");
 
-    printf("Cycle Time: %d, I2C Errors: %d, config size: %d\r\n", cycleTime, i2cGetErrorCounter(), sizeof(master_t));
+#ifdef USE_I2C
+    uint16_t i2cErrorCounter = i2cGetErrorCounter();
+#else
+    uint16_t i2cErrorCounter = 0;
+#endif
+
+    printf("Cycle Time: %d, I2C Errors: %d, config size: %d\r\n", cycleTime, i2cErrorCounter, sizeof(master_t));
 }
 
 static void cliVersion(char *cmdline)

src/main/io/serial_msp.c

@@ -484,7 +484,11 @@ static bool processOutCommand(uint8_t cmdMSP)
     case MSP_STATUS:
         headSerialReply(11);
         serialize16(cycleTime);
+#ifdef USE_I2C
         serialize16(i2cGetErrorCounter());
+#else
+        serialize16(0);
+#endif
         serialize16(sensors(SENSOR_ACC) | sensors(SENSOR_BARO) << 1 | sensors(SENSOR_MAG) << 2 | sensors(SENSOR_GPS) << 3 | sensors(SENSOR_SONAR) << 4);
         // OK, so you waste all the fucking time to have BOXNAMES and BOXINDEXES etc, and then you go ahead and serialize enabled shit simply by stuffing all
         // the bits in order, instead of setting the enabled bits based on BOXINDEX. WHERE IS THE FUCKING LOGIC IN THIS, FUCKWADS.

src/main/sensors/initialisation.c

@@ -60,20 +60,45 @@
 
 // Use these to help with porting to new boards
 //#define USE_FAKE_GYRO
+#ifdef USE_I2C
 #define USE_GYRO_L3G4200D
 #define USE_GYRO_L3GD20
 #define USE_GYRO_MPU6050
-#define USE_GYRO_SPI_MPU6000
 #define USE_GYRO_MPU3050
+#endif
+#define USE_GYRO_SPI_MPU6000
+
 //#define USE_FAKE_ACC
+#ifdef USE_I2C
 #define USE_ACC_ADXL345
 #define USE_ACC_BMA280
 #define USE_ACC_MMA8452
 #define USE_ACC_LSM303DLHC
 #define USE_ACC_MPU6050
+#endif
 #define USE_ACC_SPI_MPU6000
+
+#ifdef USE_I2C
 #define USE_BARO_MS5611
 #define USE_BARO_BMP085
+#endif
+
+#ifdef MASSIVEF3
+#define USE_FAKE_GYRO
+#define USE_FAKE_ACC
+#undef USE_GYRO_MPU6050
+#undef USE_ACC_MPU6050
+#undef USE_ACC_ADXL345
+#undef USE_ACC_BMA280
+#undef USE_ACC_MMA8452
+#undef USE_ACC_LSM303DLHC
+#undef USE_ACC_SPI_MPU6000
+#undef USE_GYRO_L3G4200D
+#undef USE_GYRO_MPU3050
+#undef USE_GYRO_SPI_MPU6000
+#undef USE_GYRO_L3GD20
+#undef USE_BARO_BMP085
+#endif
 
 #ifdef NAZE
 #undef USE_ACC_LSM303DLHC

src/main/target/CC3D/target.h

@@ -34,12 +34,6 @@
 #define INVERTER
 #define BEEPER
 
-
-
-// #define SOFT_I2C // enable to test software i2c
-// #define SOFT_I2C_PB1011 // If SOFT_I2C is enabled above, need to define pinout as well (I2C1 = PB67, I2C2 = PB1011)
-// #define SOFT_I2C_PB67
-
 #define USE_USART1
 #define USE_USART3
 

src/main/target/CHEBUZZF3/target.h

@@ -45,6 +45,7 @@
 #define USE_USART2
 #define SERIAL_PORT_COUNT 3
 
+#define USE_I2C
 #define I2C_DEVICE (I2CDEV_1)
 
 #define SENSORS_SET (SENSOR_ACC)

src/main/target/CJMCU/target.h

@@ -44,6 +44,7 @@
 
 #define SERIAL_PORT_COUNT 2
 
+#define USE_I2C
 #define I2C_DEVICE (I2CDEV_1)
 
 // #define SOFT_I2C // enable to test software i2c

src/main/target/EUSTM32F103RC/target.h

@@ -29,6 +29,7 @@
 #define USE_SOFT_SERIAL
 #define SERIAL_PORT_COUNT 4
 
+#define USE_I2C
 #define I2C_DEVICE (I2CDEV_2)
 
 // #define SOFT_I2C // enable to test software i2c

src/main/target/NAZE/target.h

@@ -53,7 +53,7 @@
 #define USE_SOFT_SERIAL
 #define SERIAL_PORT_COUNT 4
 
-
+#define USE_I2C
 #define I2C_DEVICE (I2CDEV_2)
 
 // #define SOFT_I2C // enable to test software i2c

src/main/target/NAZE32PRO/target.h

@@ -35,6 +35,7 @@
 #define USE_USART2
 #define SERIAL_PORT_COUNT 3
 
+#define USE_I2C
 #define I2C_DEVICE (I2CDEV_1)
 
 #define SENSORS_SET (SENSOR_ACC)

src/main/target/OLIMEXINO/target.h

@@ -46,6 +46,7 @@
 #define USE_SOFT_SERIAL
 #define SERIAL_PORT_COUNT 4
 
+#define USE_I2C
 #define I2C_DEVICE (I2CDEV_2)
 
 // #define SOFT_I2C // enable to test software i2c

src/main/target/STM32F3DISCOVERY/target.h

@@ -47,6 +47,7 @@
 #define USE_USART2
 #define SERIAL_PORT_COUNT 3
 
+#define USE_I2C
 #define I2C_DEVICE (I2CDEV_1)
 
 #define SENSORS_SET (SENSOR_ACC)