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adc: add comment for ADC sampling frequency

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Armando
2021-01-05 11:00:05 +08:00
committed by bot
parent d8a4b247b9
commit f9ec7ddda3
4 changed files with 19 additions and 22 deletions
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26
components/soc/esp32c3/include/soc/soc_caps.h
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@@ -102,21 +102,17 @@
#define SOC_AES_SUPPORT_AES_256 (1)
/*-------------------------- ADC CAPS -------------------------------*/
#define SOC_ADC_PERIPH_NUM (2)
#define SOC_ADC_PATT_LEN_MAX (16)
#define SOC_ADC_CHANNEL_NUM(PERIPH_NUM) ((PERIPH_NUM==0)? 5 : 1)
#define SOC_ADC_MAX_CHANNEL_NUM (10)
#define SOC_ADC_MAX_BITWIDTH (12)
#define SOC_ADC_DIGI_FILTER_NUM (2)
#define SOC_ADC_DIGI_MONITOR_NUM (2)
/**
* Check if adc support digital controller (DMA) mode.
* @value
* - 1 : support;
* - 0 : not support;
*/
#define SOC_ADC_SUPPORT_DMA_MODE(PERIPH_NUM) 1
#define SOC_ADC_PERIPH_NUM (2)
#define SOC_ADC_PATT_LEN_MAX (16)
#define SOC_ADC_CHANNEL_NUM(PERIPH_NUM) ((PERIPH_NUM==0)? 5 : 1)
#define SOC_ADC_MAX_CHANNEL_NUM (10)
#define SOC_ADC_MAX_BITWIDTH (12)
#define SOC_ADC_DIGI_FILTER_NUM (2)
#define SOC_ADC_DIGI_MONITOR_NUM (2)
#define SOC_ADC_SUPPORT_DMA_MODE(PERIPH_NUM) 1
//F_sample = F_digi_con / 2 / interval. F_digi_con = 5M for now. 30 <= interva <= 4095
#define SOC_ADC_SAMPLE_FREQ_THRES_HIGH 83333
#define SOC_ADC_SAMPLE_FREQ_THRES_LOW 611
/*-------------------------- APB BACKUP DMA CAPS -------------------------------*/
#define SOC_APB_BACKUP_DMA (1)