stm32l1/i2c: Added preprocessor macros at the ISR's to check if the b…

…us is enabled
RIOT-OS · Feb 10, 2016 · 8d5aebc · 8d5aebc
1 parent 4a562f1
commit 8d5aebc
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/cpu/stm32l1/periph/i2c.c b/cpu/stm32l1/periph/i2c.c
@@ -413,6 +413,7 @@ static inline void _stop(I2C_TypeDef *i2c)
     i2c->CR1 |= I2C_CR1_STOP;
 }
 
+#if I2C_0_EN
 void I2C_0_ERR_ISR(void)
 {
     unsigned state = I2C1->SR1;
@@ -441,7 +442,9 @@ void I2C_0_ERR_ISR(void)
     }
     while (1);
 }
+#endif /* I2C_0_EN */
 
+#if I2C_1_EN
 void I2C_1_ERR_ISR(void)
 {
     unsigned state = I2C2->SR1;
@@ -470,5 +473,6 @@ void I2C_1_ERR_ISR(void)
     }
     while (1);
 }
+#endif /* I2C_1_EN */
 
 #endif /* I2C_NUMOF */