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[adc] 支持adc框架获取BSP的ADC分辨率 (#5853)

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This commit is contained in:
Man, Jianting (Meco)
2022-04-22 10:26:41 -04:00
committed by GitHub
parent b06228ec7e
commit c2a0995545
3 changed files with 43 additions and 9 deletions
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22
components/drivers/misc/adc.c
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@@ -41,21 +41,27 @@ static rt_size_t _adc_read(rt_device_t dev, rt_off_t pos, void *buffer, rt_size_
static rt_err_t _adc_control(rt_device_t dev, int cmd, void *args)
{
rt_err_t result = RT_EOK;
rt_err_t result = -RT_EINVAL;
rt_adc_device_t adc = (struct rt_adc_device *)dev;
if (adc->ops->enabled == RT_NULL)
{
return -RT_ENOSYS;
}
if (cmd == RT_ADC_CMD_ENABLE)
if (cmd == RT_ADC_CMD_ENABLE && adc->ops->enabled)
{
result = adc->ops->enabled(adc, (rt_uint32_t)args, RT_TRUE);
}
else if (cmd == RT_ADC_CMD_DISABLE)
else if (cmd == RT_ADC_CMD_DISABLE && adc->ops->enabled)
{
result = adc->ops->enabled(adc, (rt_uint32_t)args, RT_FALSE);
}
else if (cmd == RT_ADC_CMD_GET_RESOLUTION && adc->ops->get_resolution)
{
rt_uint8_t resolution = adc->ops->get_resolution(adc);
if(resolution != 0)
{
*((rt_uint8_t*)args) = resolution;
LOG_D("ADC resolution:%d", resolution);
result = RT_EOK;
}
}
return result;
}
@@ -115,6 +121,7 @@ rt_err_t rt_adc_enable(rt_adc_device_t dev, rt_uint32_t channel)
rt_err_t result = RT_EOK;
RT_ASSERT(dev);
if (dev->ops->enabled != RT_NULL)
{
result = dev->ops->enabled(dev, channel, RT_TRUE);
@@ -132,6 +139,7 @@ rt_err_t rt_adc_disable(rt_adc_device_t dev, rt_uint32_t channel)
rt_err_t result = RT_EOK;
RT_ASSERT(dev);
if (dev->ops->enabled != RT_NULL)
{
result = dev->ops->enabled(dev, channel, RT_FALSE);