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