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authorMan, Jianting (Meco) <[email protected]>2022-06-04 01:20:30 -0400
committerGitHub <[email protected]>2022-06-04 13:20:30 +0800
commit02b176f8cbbd980ff0d51b971a978c3b6d71d39f (patch)
tree48e86eb8c86457cf0cc6c929da6991b8b8c1b8cb /components
parent1fb3f1fcecc4c799f38af967239c81b74d00d090 (diff)
[arduino] add comment (#6016)
Diffstat (limited to 'components')
-rw-r--r--components/drivers/include/drivers/adc.h2
-rw-r--r--components/drivers/include/drivers/rt_drv_pwm.h2
2 files changed, 2 insertions, 2 deletions
diff --git a/components/drivers/include/drivers/adc.h b/components/drivers/include/drivers/adc.h
index 81565d068b..601e16292e 100644
--- a/components/drivers/include/drivers/adc.h
+++ b/components/drivers/include/drivers/adc.h
@@ -20,7 +20,7 @@ struct rt_adc_ops
rt_err_t (*enabled)(struct rt_adc_device *device, rt_uint32_t channel, rt_bool_t enabled);
rt_err_t (*convert)(struct rt_adc_device *device, rt_uint32_t channel, rt_uint32_t *value);
rt_uint8_t (*get_resolution)(struct rt_adc_device *device);
- rt_int16_t (*get_vref) (const struct rt_adc_device *device);
+ rt_int16_t (*get_vref) (struct rt_adc_device *device);
};
struct rt_adc_device
diff --git a/components/drivers/include/drivers/rt_drv_pwm.h b/components/drivers/include/drivers/rt_drv_pwm.h
index 2b782f7e53..567b368daa 100644
--- a/components/drivers/include/drivers/rt_drv_pwm.h
+++ b/components/drivers/include/drivers/rt_drv_pwm.h
@@ -23,7 +23,7 @@
struct rt_pwm_configuration
{
- rt_uint32_t channel; /* 0-n */
+ rt_uint32_t channel; /* 1-n or 0-n, which depends on specific MCU requirements */
rt_uint32_t period; /* unit:ns 1ns~4.29s:1Ghz~0.23hz */
rt_uint32_t pulse; /* unit:ns (pulse<=period) */