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Diffstat (limited to 'include/adc.h')
-rw-r--r-- | include/adc.h | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/include/adc.h b/include/adc.h deleted file mode 100644 index 8342bc1fb6..0000000000 --- a/include/adc.h +++ /dev/null @@ -1,76 +0,0 @@ -/* Copyright 2012 The Chromium OS Authors. All rights reserved. - * Use of this source code is governed by a BSD-style license that can be - * found in the LICENSE file. - */ - -/* ADC interface for Chrome EC */ - -#ifndef __CROS_EC_ADC_H -#define __CROS_EC_ADC_H - -#include "adc_chip.h" -#include "common.h" - -#define ADC_READ_ERROR -1 /* Value returned by adc_read_channel() on error */ - -#ifdef CONFIG_ZEPHYR -#include <zephyr_adc.h> -#endif /* CONFIG_ZEPHYR */ - -/* - * Boards must provide this list of ADC channel definitions. This must match - * the enum adc_channel list provided by the board. - */ -#ifndef CONFIG_ADC_CHANNELS_RUNTIME_CONFIG -extern const struct adc_t adc_channels[]; -#else -extern struct adc_t adc_channels[]; -#endif - -/* - * Boards which use the ADC interface must provide enum adc_channel in the - * board.h file. See chip/$CHIP/adc_chip.h for additional chip-specific - * requirements. - */ - -/** - * Read an ADC channel. - * - * @param ch Channel to read - * - * @return The scaled ADC value, or ADC_READ_ERROR if error. - */ -int adc_read_channel(enum adc_channel ch); - -/** - * Enable ADC watchdog. Note that interrupts might come in repeatedly very - * quickly when ADC output goes out of the accepted range. - * - * @param ain_id The AIN to be watched by the watchdog. - * @param high The high threshold that the watchdog would trigger - * an interrupt when exceeded. - * @param low The low threshold. - * - * @return EC_SUCCESS, or non-zero if any error. - */ -int adc_enable_watchdog(int ain_id, int high, int low); - -/** - * Disable ADC watchdog. - * - * @return EC_SUCCESS, or non-zero if any error. - */ -int adc_disable_watchdog(void); - -/** - * Set the delay between ADC watchdog samples. This can be used as a trade-off - * of power consumption and performance. - * - * @param delay_ms The delay in milliseconds between two ADC watchdog - * samples. - * - * @return EC_SUCCESS, or non-zero if any error or not supported. - */ -int adc_set_watchdog_delay(int delay_ms); - -#endif /* __CROS_EC_ADC_H */ |