#define STM_DMA_CHANNEL_USART2_TX 7
#define STM_DMA_CHANNEL_I2C2_TX 4
#define STM_DMA_CHANNEL_I2C2_RX 5
-#define STM_DMA_CHANNEL_I2C1_RX 6
-#define STM_DMA_CHANNEL_I2C1_TX 7
+#define STM_DMA_CHANNEL_I2C1_TX 6
+#define STM_DMA_CHANNEL_I2C1_RX 7
#define STM_DMA_CHANNEL_TIM2_CH3 1
#define STM_DMA_CHANNEL_TIM2_UP 2
#define STM_DMA_CHANNEL_TIM2_CH1 5