42 lines
1.3 KiB
C
42 lines
1.3 KiB
C
/* Copyright 2012 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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/* Stellaris EKB-LM4F-EAC board-specific configuration */
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#include "adc.h"
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#include "adc_chip.h"
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#include "gpio.h"
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#include "i2c.h"
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#include "registers.h"
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#include "util.h"
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/* ADC channels. Must be in the exactly same order as in enum adc_channel. */
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const struct adc_t adc_channels[] = {
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/* EC internal temperature is calculated by
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* 273 + (295 - 450 * ADC_VALUE / ADC_READ_MAX) / 2
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* = -225 * ADC_VALUE / ADC_READ_MAX + 420.5
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*/
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{"ECTemp", LM4_ADC_SEQ0, -225, ADC_READ_MAX, 420,
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LM4_AIN_NONE, 0x0e /* TS0 | IE0 | END0 */, 0, 0},
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/* Charger current is mapped from 0~4000mA to 0~1.6V.
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* And ADC maps 0~3.3V to ADC_READ_MAX.
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*
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* Note that on BDS, this is really just the turn pot on the Badger
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* board, but that's good enough for debugging the ADC.
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*/
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{"BDSPot", LM4_ADC_SEQ1, 33 * 4000, ADC_READ_MAX * 16, 0,
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LM4_AIN(0), 0x06 /* IE0 | END0 */, LM4_GPIO_E, (1<<3)},
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};
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BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
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/* I2C ports */
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const struct i2c_port_t i2c_ports[] = {
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{"lightbar", 5, 400},
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};
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const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports);
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#include "gpio_list.h"
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