66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
/**
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* @file main.c
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* @brief
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*
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* Copyright (c) 2021 Bouffalolab team
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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*/
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#include "hal_adc.h"
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#include "hal_gpio.h"
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adc_channel_t posChList[] = { ADC_CHANNEL_VABT_HALF }; // ADC Positive channel list setting
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adc_channel_t negChList[] = { ADC_CHANNEL_GND }; // ADC Negative channel list setting
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struct device *vbat_test;
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adc_channel_val_t result;
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int main(void)
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{
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bflb_platform_init(0);
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adc_channel_cfg_t adc_channel_cfg;
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adc_channel_cfg.pos_channel = posChList;
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adc_channel_cfg.neg_channel = negChList;
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adc_channel_cfg.num = 1;
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adc_register(ADC0_INDEX, "adc_vbat_test");
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vbat_test = device_find("adc_vbat_test");
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if (vbat_test) {
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MSG("adc vbat test device find success\r\n");
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device_open(vbat_test, DEVICE_OFLAG_STREAM_RX);
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device_control(vbat_test, DEVICE_CTRL_ADC_VBAT_ON, NULL);
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device_control(vbat_test, DEVICE_CTRL_ADC_CHANNEL_CONFIG, &adc_channel_cfg);
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}
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while (1) {
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bflb_platform_delay_ms(1000);
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MSG("adc vbat test case\r\n");
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for (uint8_t i = 0; i < 10; i++) {
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adc_channel_start(vbat_test);
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device_read(vbat_test, 0, &result, 1);
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MSG("vBat = %d mV\n", (uint32_t)(result.volt * 2000));
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bflb_platform_delay_ms(500);
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}
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}
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} |