adbd2969e6
Add code to read USB D+/D- and accessory ADCs, it is shown in HW debug menu, might be useful in future for RB and/or the bootloader to identify external USB chargers. Change-Id: Ia48ca5e06bb7ddc52bb55abedde6734653ce8dba
43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id: adc-target.h 21734 2009-07-09 20:17:47Z bertrik $
|
|
*
|
|
* Copyright (C) 2006 by Barry Wardell
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
****************************************************************************/
|
|
#ifndef _ADC_TARGET_H_
|
|
#define _ADC_TARGET_H_
|
|
|
|
#include <stdbool.h>
|
|
#include "config.h"
|
|
|
|
enum
|
|
{
|
|
ADC_BATTERY = 0,
|
|
ADC_USBDATA,
|
|
ADC_ACCESSORY,
|
|
NUM_ADC_CHANNELS
|
|
};
|
|
|
|
#define ADC_UNREG_POWER ADC_BATTERY /* For compatibility */
|
|
|
|
unsigned short adc_read_millivolts(int channel);
|
|
unsigned int adc_read_battery_voltage(void);
|
|
unsigned int adc_read_usbdata_voltage(bool dp);
|
|
int adc_read_accessory_resistor(void);
|
|
const char *adc_name(int channel);
|
|
|
|
#endif
|