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Eliminate a warning

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This commit is contained in:
Gregory Nutt 2015-09-08 08:18:01 -06:00
parent cfd41bdb30
commit 7065f78b92
1 changed files with 11 additions and 9 deletions
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20
arch/arm/src/stm32/stm32_adc.c
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@ -114,6 +114,12 @@
#define ADC_MAX_CHANNELS_DMA 16
#define ADC_MAX_CHANNELS_NODMA 1
#ifdef ADC_HAVE_DMA
# define ADC_MAX_SAMPLES ADC_MAX_CHANNELS_DMA
#else
# define ADC_MAX_SAMPLES ADC_MAX_CHANNELS_NODMA
#endif
/* DMA channels and interface values differ for the F1 and F4 families */
#if defined(CONFIG_STM32_STM32L15XX)
@ -167,18 +173,14 @@ struct stm32_dev_s
#ifdef ADC_HAVE_DMA
DMA_HANDLE dma; /* Allocated DMA channel */
/* List of selected DMA channels to sample */
uint8_t chanlist[ADC_MAX_CHANNELS_DMA];
/* DMA transfer buffer */
uint16_t dmabuffer[ADC_MAX_CHANNELS_DMA];
#else
/* List of selected DMA channels to sample */
uint8_t chanlist[ADC_MAX_CHANNELS_NODMA];
uint16_t dmabuffer[ADC_MAX_SAMPLES];
#endif
/* List of selected ADC channels to sample */
uint8_t chanlist[ADC_MAX_SAMPLES];
};
/****************************************************************************