andreika-git
/
ChibiOS
mirror of https://github.com/andreika-git/ChibiOS.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Fixed bug #520. 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@7106 35acf78f-673a-0410-8e92-d51de3d6d3f4
This commit is contained in:
gdisirio 2014-07-28 12:21:17 +00:00
parent ff9bc27d92
commit a91b8d62dd
3 changed files with 16 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
os/hal/ports/STM32/STM32L1xx/adc_lld.c
View File

@ -159,6 +159,8 @@ void adc_lld_start(ADCDriver *adcp) {
} }
#endif /* STM32_ADC_USE_ADC1 */ #endif /* STM32_ADC_USE_ADC1 */
ADC->CCR = (ADC->CCR & ADC_CCR_TSVREFE) | (STM32_ADC_ADCPRE << 16);
/* ADC initial setup, starting the analog part here in order to reduce /* ADC initial setup, starting the analog part here in order to reduce
the latency when starting a conversion.*/ the latency when starting a conversion.*/
adcp->adc->CR1 = 0; adcp->adc->CR1 = 0;

14
os/hal/ports/STM32/STM32L1xx/adc_lld.h
View File

@ -175,6 +175,20 @@
#define STM32_DMA_REQUIRED #define STM32_DMA_REQUIRED
#endif #endif
/**
* * @brief ADC frequency.
* */
/* ADC clock related settings and checks.*/
#if STM32_ADC_ADCPRE == ADC_CCR_ADCPRE_DIV1
#define STM32_ADCCLK STM32_HSICLK
#elif STM32_ADC_ADCPRE == ADC_CCR_ADCPRE_DIV2
#define STM32_ADCCLK (STM32_HSICLK / 2)
#elif STM32_ADC_ADCPRE == ADC_CCR_ADCPRE_DIV4
#define STM32_ADCCLK (STM32_HSICLK / 4)
#else
#error "invalid STM32_ADC_ADCPRE value specified"
#endif
/*===========================================================================*/ /*===========================================================================*/
/* Driver data structures and types. */ /* Driver data structures and types. */
/*===========================================================================*/ /*===========================================================================*/

5
os/hal/ports/STM32/STM32L1xx/hal_lld.h
View File

@ -770,11 +770,6 @@
#error "invalid STM32_RTCSEL value specified" #error "invalid STM32_RTCSEL value specified"
#endif #endif
/**
* @brief ADC frequency.
*/
#define STM32_ADCCLK STM32_HSICLK
/** /**
* @brief USB frequency. * @brief USB frequency.
*/ */