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/* Copyright (c) 2014 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.
*/
/* Dingdong dongle configuration */
#include "adc.h"
#include "adc_chip.h"
#include "common.h"
#include "gpio.h"
#include "registers.h"
#include "util.h"
#include "gpio_list.h"
/* Initialize board. */
void board_config_pre_init(void)
{
/* enable SYSCFG clock */
STM32_RCC_APB2ENR |= 1 << 0;
/* Remap USART DMA to match the USART driver */
STM32_SYSCFG_CFGR1 |= (1 << 9) | (1 << 10);/* Remap USART1 RX/TX DMA */
}
/* ADC channels */
const struct adc_t adc_channels[] = {
/* USB PD CC lines sensing. Converted to mV (3300mV/4096). */
[ADC_CH_CC1_PD] = {"USB_C_CC1_PD", 3300, 4096, 0, STM32_AIN(1)},
};
BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT);
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