mirror of
https://github.com/Fishwaldo/bl_mcu_sdk.git
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77 lines
No EOL
2.5 KiB
C
77 lines
No EOL
2.5 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_CHANNEL3 };
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adc_channel_t negChList[] = { ADC_CHANNEL_GND };
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void adc_irq_callback(struct device *dev, void *args, uint32_t size, uint32_t state)
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{
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if (state == ADC_EVENT_FIFO) {
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MSG("FIFO Ready Interrupt Happend \r\n");
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adc_channel_val_t *adc_parse_val = (adc_channel_val_t *)args;
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for (uint32_t i = 0; i < size; i++) {
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MSG("PosId = %d NegId = %d V= %d mV ", adc_parse_val[i].posChan, adc_parse_val[i].negChan, (uint32_t)(adc_parse_val[i].volt * 1000));
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}
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BL_CASE_SUCCESS;
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device_control(dev, DEVICE_CTRL_CLR_INT, (void *)(ADC_FIFO_IT));
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} else {
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}
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}
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struct device *adc_test;
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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");
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adc_test = device_find("adc");
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if (adc_test) {
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device_open(adc_test, DEVICE_OFLAG_INT_RX);
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device_set_callback(adc_test, adc_irq_callback);
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device_control(adc_test, DEVICE_CTRL_SET_INT, (void *)(ADC_FIFO_IT));
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if (device_control(adc_test, DEVICE_CTRL_ADC_CHANNEL_CONFIG, &adc_channel_cfg) == ERROR) {
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MSG("ADC channel config error , Please check the channel corresponding to IO is initial success by board system or Channel is invaild \r\n");
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BL_CASE_FAIL;
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while (1)
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;
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}
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MSG("adc device find success\r\n");
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}
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adc_channel_start(adc_test);
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while (1)
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bflb_platform_delay_ms(100);
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} |