64 lines
2.0 KiB
C
64 lines
2.0 KiB
C
/**
|
|
* @file main.c
|
|
* @brief
|
|
*
|
|
* Copyright (c) 2021 Bouffalolab team
|
|
*
|
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
|
* contributor license agreements. See the NOTICE file distributed with
|
|
* this work for additional information regarding copyright ownership. The
|
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
|
* "License"); you may not use this file except in compliance with the
|
|
* License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
|
* License for the specific language governing permissions and limitations
|
|
* under the License.
|
|
*
|
|
*/
|
|
#include "hal_adc.h"
|
|
#include "hal_gpio.h"
|
|
|
|
adc_channel_t posChList[] = {ADC_CHANNEL4};
|
|
adc_channel_t negChList[] = {ADC_CHANNEL_GND};
|
|
|
|
adc_channel_val_t result_val;
|
|
|
|
struct device* adc_test;
|
|
|
|
int main(void)
|
|
{
|
|
bflb_platform_init(0);
|
|
|
|
adc_channel_cfg_t adc_channel_cfg;
|
|
|
|
adc_channel_cfg.pos_channel = posChList;
|
|
adc_channel_cfg.neg_channel = negChList;
|
|
adc_channel_cfg.num = 1;
|
|
|
|
MSG("adc continue single ended test case \r\n");
|
|
adc_register(ADC0_INDEX, "adc_continue_single", DEVICE_OFLAG_STREAM_RX);
|
|
|
|
adc_test = device_find("adc_continue_single");
|
|
if(adc_test)
|
|
{
|
|
ADC_DEV(adc_test)->continuous_conv_mode = ENABLE;
|
|
device_open(adc_test, DEVICE_OFLAG_STREAM_RX);
|
|
device_control(adc_test,DEVICE_CTRL_ADC_CHANNEL_CONFIG,&adc_channel_cfg);
|
|
MSG("adc device find success\r\n");
|
|
}
|
|
|
|
adc_channel_start(adc_test);
|
|
|
|
while (1)
|
|
{
|
|
device_read(adc_test, 0, (void *)&result_val,sizeof(result_val)/sizeof(adc_channel_val_t));
|
|
MSG("PosId = %d NegId = %d V= %d mV \r\n",result_val.posChan,result_val.negChan,(uint32_t)(result_val.volt * 1000));
|
|
bflb_platform_delay_ms(500);
|
|
}
|
|
|
|
} |