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1.版本更新。

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MacRsh
2023-11-11 02:07:22 +08:00
parent 5210a56a48
commit f5aab48f69
136 changed files with 5235 additions and 15419 deletions
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162
device/pwm.c
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@@ -1,162 +0,0 @@
/*
* Copyright (c) 2023, mr-library Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2023-06-12 MacRsh first version
*/
#include "pwm.h"
#if (MR_CFG_PWM == MR_CFG_ENABLE)
static mr_err_t err_io_pwm_configure(mr_pwm_t pwm, mr_pwm_config_t config)
{
return MR_ERR_IO;
}
static void err_io_pwm_write(mr_pwm_t pwm, mr_off_t channel, mr_uint32_t duty)
{
}
static mr_uint32_t err_io_pwm_read(mr_pwm_t pwm, mr_off_t channel)
{
return 0;
}
static mr_err_t mr_pwm_open(mr_device_t device)
{
mr_pwm_t pwm = (mr_pwm_t)device;
return pwm->ops->configure(pwm, &pwm->config);
}
static mr_err_t mr_pwm_close(mr_device_t device)
{
mr_pwm_t pwm = (mr_pwm_t)device;
struct mr_pwm_config config = {0};
return pwm->ops->configure(pwm, &config);
}
static mr_err_t mr_pwm_ioctl(mr_device_t device, int cmd, void *args)
{
mr_pwm_t pwm = (mr_pwm_t)device;
mr_err_t ret = MR_ERR_OK;
switch (cmd)
{
case MR_DEVICE_CTRL_SET_CONFIG:
{
if (args)
{
mr_pwm_config_t config = (mr_pwm_config_t)args;
ret = pwm->ops->configure(pwm, config);
if (ret == MR_ERR_OK)
{
pwm->config = *config;
}
return ret;
}
return MR_ERR_INVALID;
}
case MR_DEVICE_CTRL_GET_CONFIG:
{
if (args)
{
mr_pwm_config_t config = (mr_pwm_config_t)args;
*config = pwm->config;
return MR_ERR_OK;
}
return MR_ERR_INVALID;
}
default:
return MR_ERR_UNSUPPORTED;
}
}
static mr_err_t mr_pwm_read(mr_device_t device, mr_off_t pos, void *buffer, mr_size_t size)
{
mr_pwm_t pwm = (mr_pwm_t)device;
mr_uint32_t *read_buffer = (mr_uint32_t *)buffer;
mr_size_t read_size = 0;
if (pos < 0)
{
return MR_ERR_INVALID;
}
while ((read_size += sizeof(*read_buffer)) <= size)
{
*read_buffer = pwm->ops->read(pwm, pos);
read_buffer++;
}
return (mr_ssize_t)read_size;
}
static mr_err_t mr_pwm_write(mr_device_t device, mr_off_t pos, const void *buffer, mr_size_t size)
{
mr_pwm_t pwm = (mr_pwm_t)device;
mr_uint32_t *write_buffer = (mr_uint32_t *)buffer;
mr_size_t write_size = 0;
if (pos < 0)
{
return MR_ERR_INVALID;
}
while ((write_size += sizeof(*write_buffer)) <= size)
{
pwm->ops->write(pwm, pos, *write_buffer);
write_buffer++;
}
return (mr_ssize_t)write_size;
}
/**
* @brief This function adds the pwm device.
*
* @param pwm The pwm device to be added.
* @param name The name of the pwm device.
* @param ops The operations of the pwm device.
* @param data The private data of the pwm device.
*
* @return MR_ERR_OK on success, otherwise an error code.
*/
mr_err_t mr_pwm_device_add(mr_pwm_t pwm, const char *name, struct mr_pwm_ops *ops, void *data)
{
static struct mr_device_ops device_ops =
{
mr_pwm_open,
mr_pwm_close,
mr_pwm_ioctl,
mr_pwm_read,
mr_pwm_write,
};
struct mr_pwm_config default_config = MR_PWM_CONFIG_DEFAULT;
MR_ASSERT(pwm != MR_NULL);
MR_ASSERT(name != MR_NULL);
MR_ASSERT(ops != MR_NULL);
/* Initialize the private fields */
pwm->config = default_config;
/* Protect every operation of the pwm device */
ops->configure = ops->configure ? ops->configure : err_io_pwm_configure;
ops->write = ops->write ? ops->write : err_io_pwm_write;
ops->read = ops->read ? ops->read : err_io_pwm_read;
pwm->ops = ops;
/* Add the device */
return mr_device_add(&pwm->device, name, Mr_Device_Type_PWM, MR_DEVICE_OFLAG_RDWR, &device_ops, data);
}
#endif