From 75bf0b4b576c5912dd3ae061aea41db28019408c Mon Sep 17 00:00:00 2001 From: gdisirio Date: Sat, 7 Jan 2012 13:45:07 +0000 Subject: Fixed harmless arithmetical overflow in the STM32_DMA_GETCHANNEL() macro. git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3759 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- os/hal/platforms/STM32F2xx/stm32_dma.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'os/hal/platforms/STM32F2xx') diff --git a/os/hal/platforms/STM32F2xx/stm32_dma.h b/os/hal/platforms/STM32F2xx/stm32_dma.h index d57cae4be..b5f95f0c8 100644 --- a/os/hal/platforms/STM32F2xx/stm32_dma.h +++ b/os/hal/platforms/STM32F2xx/stm32_dma.h @@ -54,7 +54,7 @@ * nibble * @return Returns the channel associated to the stream. */ -#define STM32_DMA_GETCHANNEL(id, c) ((c) >> (((id) & 7) * 4)) +#define STM32_DMA_GETCHANNEL(id, c) (((c) & 15) >> (((id) & 7) * 4)) /** * @brief Returns an unique numeric identifier for a DMA stream. -- cgit v1.2.3