/*
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* Copyright (c) 2019-2023 Beijing Hanwei Innovation Technology Ltd. Co. and
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* its subsidiaries and affiliates (collectly called MKSEMI).
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form, except as embedded into an MKSEMI
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* integrated circuit in a product or a software update for such product,
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* must reproduce the above copyright notice, this list of conditions and
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* the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* 3. Neither the name of MKSEMI nor the names of its contributors may be used
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* to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* 4. This software, with or without modification, must only be used with a
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* MKSEMI integrated circuit.
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*
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* 5. Any software provided in binary form under this license must not be
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* reverse engineered, decompiled, modified and/or disassembled.
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*
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* THIS SOFTWARE IS PROVIDED BY MKSEMI "AS IS" AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL MKSEMI OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "mk_adc.h"
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#include "mk_trace.h"
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#include "mk_reset.h"
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#include "mk_calib.h"
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#include "mk_wdt.h"
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#include "mk_misc.h"
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#include "libc_rom.h"
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#include "board.h"
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#define BATT_MONITOR_TEST_EN 1
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#define TEMP_SENSOR_TEST_EN 1
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/* Max value for a full range of 12 bits (4096 values) */
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#define NUM_SAMPLES 1
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static uint32_t sample[NUM_SAMPLES] = {0};
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int16_t fVoltage_mv;
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uint8_t bat_percent;
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static void adc_callback(void *data, uint32_t number)
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{
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uint32_t *result = (uint32_t *)data;
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for (uint16_t i = 0; i < number; i++)
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{
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LOG_INFO(TRACE_MODULE_APP, "The voltage measured %d mv\r\n",
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ADC_INTERNAL_VREF_MV + adc_code_to_mv((int16_t)*result, ADC_INTERNAL_VREF_MV));
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fVoltage_mv=ADC_INTERNAL_VREF_MV + adc_code_to_mv((int16_t)*result, ADC_INTERNAL_VREF_MV);
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fVoltage_mv=fVoltage_mv*2;
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if(fVoltage_mv < 3300)
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{
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bat_percent = 0;
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}
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else if(fVoltage_mv > 4100)
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{
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bat_percent = 100;
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}
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else
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{
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bat_percent = ((fVoltage_mv - 3300) /8);
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}
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}
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}
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static struct ADC_CFG_T usr_adc_cfg = {
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.mode = ADC_MODE_CONTINUE, /* Selected single conversion mode */
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.clk_sel = ADC_CLK_HIGH, /* Selected 62.4M high speed clock */
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.vref_sel = ADC_SEL_VREF_INT, /* Using internal reference voltage (1.2V)*/
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.rate = 500000, /* ADC works at high frequency system clock, the maximum sampling rate is 2M */
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.channel_p = ADC_IN_EXTPIN0, /* ADC positive channel --> GPIO0 */
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.channel_n = ADC_IN_VREF, /* ADC negative channel --> Vref */
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.int_en = false,
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.dma_en = false, /* DMA support only in continue mode */
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.acc_num = 0,
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.high_pulse_time = 4,
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.settle_time = 1,
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};
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int main(void)
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{
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board_clock_run();
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board_pins_config();
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board_debug_console_open(TRACE_PORT_UART0);
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// Reset reason
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reset_cause_get();
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reset_cause_clear();
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// Chip calibration
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calib_chip();
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// Disable watchdog timer
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wdt_close(WDT_ID0);
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gpio_open();
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board_configure();
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adc_open(&usr_adc_cfg);
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while (1)
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{
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adc_get(&sample[0], NUM_SAMPLES, adc_callback);
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delay_us(1000000);
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}
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// adc_close();
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}
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