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Note reserved bits in STM32 ADC

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Pierre-noel Bouteville 2016-06-03 08:39:17 -06:00 committed by Gregory Nutt
parent 94a14de190
commit 6a2a0bf11f
1 changed files with 3 additions and 2 deletions
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5
arch/arm/src/stm32/chip/stm32_adc.h
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@ -1,7 +1,7 @@
/****************************************************************************************************
* arch/arm/src/stm32/chip/stm32_adc.h
*
* Copyright (C) 2009, 2011 Gregory Nutt. All rights reserved.
* Copyright (C) 2009, 2011, 2016 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@ -261,6 +261,7 @@
# define ADC_CR1_RES_8BIT (2 << ADC_CR1_RES_SHIFT) /* 11 ADCCLK cycles. For STM32L15XX: 9 ADCCLK cycles */
# define ADC_CR1_RES_6BIT (3 << ADC_CR1_RES_SHIFT) /* 9 ADCCLK cycles. For STM32L15XX: 7 ADCCLK cycles */
# define ADC_CR1_OVRIE (1 << 26) /* Bit 26: Overrun interrupt enable */
# define ADC_CR1_RESERVED (0xfb3f0000)
#endif
/* ADC control register 2 */
@ -391,7 +392,7 @@
# define ADC_CR2_EXTEN_BOTH (3 << ADC_CR2_EXTEN_SHIFT) /* 11: Trigger detection on both the rising and falling edges */
# define ADC_CR2_SWSTART (1 << 30) /* Bit 30: Start Conversion of regular channels */
# define ADC_CR2_RESERVED (0x8080f0fc)
#else
# define ADC_CR2_JEXTSEL_SHIFT (12) /* Bits 12-14: External event select for injected group */
# define ADC_CR2_JEXTSEL_MASK (7 << ADC_CR2_JEXTSEL_SHIFT)