2019-03-27 16:49:26 +08:00
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/*
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2019-03-29 10:50:01 +08:00
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* Copyright (c) 2019 Winner Microelectronics Co., Ltd.
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2019-03-27 16:49:26 +08:00
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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2019-03-29 10:50:01 +08:00
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* 2018-11-23 fanwenl 1st version
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2019-03-27 16:49:26 +08:00
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*/
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#include <rtthread.h>
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#include <rtdevice.h>
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#include "wm_io.h"
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#include "wm_adc.h"
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#include "wm_gpio_afsel.h"
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#include "drv_adc.h"
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#ifdef BSP_USING_ADC
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#if defined(USING_ADC_CH1) || defined(USING_ADC_CH2) || defined(USING_ADC_CH3) || defined(USING_ADC_CH4) || \
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defined(USING_ADC_CH5) || defined(USING_ADC_CH6) || defined(USING_ADC_CH7) || defined(USING_ADC_CH8)
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static rt_err_t wm_adc_enabled(struct rt_adc_device *device, rt_uint32_t channel, rt_bool_t enabled)
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{
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if (channel < 1 || channel > 8)
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return RT_ERROR;
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if (enabled == RT_TRUE)
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{
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tls_adc_start_with_cpu(channel - 1);
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}
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else
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{
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tls_adc_stop(0);
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}
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return RT_EOK;
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}
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static rt_err_t wm_adc_convert(struct rt_adc_device *device, rt_uint32_t channel, rt_uint32_t *value)
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{
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if (channel < 1 || channel > 8)
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return RT_ERROR;
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*value = adc_get_inputVolt(channel - 1) ;
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return RT_EOK;
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}
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static struct rt_adc_ops wm_adc_ops =
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{
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wm_adc_enabled,
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wm_adc_convert,
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};
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static struct rt_adc_device wm_adc;
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#endif
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#ifdef USING_CPU_TEMP
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static rt_err_t wm_cpu_temp_enabled(struct rt_adc_device *device, rt_uint32_t channel, rt_bool_t enabled)
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{
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if (enabled == RT_FALSE)
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{
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tls_adc_stop(0);
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}
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return RT_EOK;
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}
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static rt_err_t wm_cpu_temp_convert(struct rt_adc_device *device, rt_uint32_t channel, rt_uint32_t *value)
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{
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*value = (rt_uint32_t)adc_temp();
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/**
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sprintf(temperature, "%d.%d", *value/1000, (*value%1000)/100);
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printf("tem: %s", temperature);
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*/
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return RT_EOK;
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}
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static struct rt_adc_ops wm_cpu_temp_ops =
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{
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wm_cpu_temp_enabled,
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wm_cpu_temp_convert,
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};
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static struct rt_adc_device wm_cpu_temp;
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#endif
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int wm_hw_adc_init(void)
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{
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/*adc io config*/
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#ifdef USING_ADC_CH1
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wm_adc_config(0);
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#endif
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#ifdef USING_ADC_CH2
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wm_adc_config(1);
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#endif
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#ifdef USING_ADC_CH3
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wm_adc_config(2);
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#endif
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#ifdef USING_ADC_CH4
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wm_adc_config(3);
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#endif
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#ifdef USING_ADC_CH5
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wm_adc_config(4);
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#endif
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#ifdef USING_ADC_CH6
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wm_adc_config(5);
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#endif
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#ifdef USING_ADC_CH7
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wm_adc_config(6);
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#endif
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#ifdef USING_ADC_CH8
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wm_adc_config(7);
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#endif
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#if defined(USING_ADC_CH1) || defined(USING_ADC_CH2) || defined(USING_ADC_CH3) || defined(USING_ADC_CH4) || \
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defined(USING_ADC_CH5) || defined(USING_ADC_CH6) || defined(USING_ADC_CH7) || defined(USING_ADC_CH8)
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rt_hw_adc_register(&wm_adc, "adc", &wm_adc_ops, 0);
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#endif
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#ifdef USING_CPU_TEMP
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rt_hw_adc_register(&wm_cpu_temp, "cputemp", &wm_cpu_temp_ops, 0);
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#endif
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return RT_EOK;
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}
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INIT_DEVICE_EXPORT(wm_hw_adc_init);
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#endif /* BSP_USING_ADC */
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