1.移除设备细分目录。

device/adc.c

@@ -0,0 +1,143 @@
+/*
+ * Copyright (c) 2023, mr-library Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2023-04-23     MacRsh       first version
+ */
+
+#include "adc.h"
+
+#if (MR_CFG_ADC == MR_CFG_ENABLE)
+
+static mr_err_t err_io_adc_configure(mr_adc_t adc, mr_state_t state)
+{
+    return -MR_ERR_IO;
+}
+
+static mr_err_t err_io_adc_channel_configure(mr_adc_t adc, mr_adc_config_t config)
+{
+    return -MR_ERR_IO;
+}
+
+static mr_uint32_t err_io_adc_read(mr_adc_t adc, mr_off_t channel)
+{
+    return 0;
+}
+
+static mr_err_t mr_adc_open(mr_device_t device)
+{
+    mr_adc_t adc = (mr_adc_t)device;
+
+    return adc->ops->configure(adc, MR_ENABLE);
+}
+
+static mr_err_t mr_adc_close(mr_device_t device)
+{
+    mr_adc_t adc = (mr_adc_t)device;
+
+    /* Disable all channel */
+    adc->config.channel._mask = 0;
+
+    return adc->ops->configure(adc, MR_DISABLE);
+}
+
+static mr_err_t mr_adc_ioctl(mr_device_t device, int cmd, void *args)
+{
+    mr_adc_t adc = (mr_adc_t)device;
+    mr_err_t ret = MR_ERR_OK;
+
+    switch (cmd)
+    {
+        case MR_DEVICE_CTRL_SET_CONFIG:
+        {
+            if (args)
+            {
+                mr_adc_config_t config = (mr_adc_config_t)args;
+                ret = adc->ops->channel_configure(adc, config);
+                if (ret == MR_ERR_OK)
+                {
+                    adc->config = *config;
+                }
+                return ret;
+            }
+            return -MR_ERR_INVALID;
+        }
+
+        case MR_DEVICE_CTRL_GET_CONFIG:
+        {
+            if (args)
+            {
+                mr_adc_config_t config = (mr_adc_config_t)args;
+                *config = adc->config;
+                return MR_ERR_OK;
+            }
+            return -MR_ERR_INVALID;
+        }
+
+        default:
+            return -MR_ERR_UNSUPPORTED;
+    }
+}
+
+static mr_ssize_t mr_adc_read(mr_device_t device, mr_off_t pos, void *buffer, mr_size_t size)
+{
+    mr_adc_t adc = (mr_adc_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 = adc->ops->read(adc, pos);
+        read_buffer++;
+    }
+
+    return (mr_ssize_t)read_size;
+}
+
+/**
+ * @brief This function adds the adc device.
+ *
+ * @param adc The adc device to be added.
+ * @param name The name of the adc device.
+ * @param ops The operations of the adc device.
+ * @param data The private data of the adc device.
+ *
+ * @return MR_ERR_OK on success, otherwise an error code.
+ */
+mr_err_t mr_adc_device_add(mr_adc_t adc, const char *name, struct mr_adc_ops *ops, void *data)
+{
+    static struct mr_device_ops device_ops =
+        {
+            mr_adc_open,
+            mr_adc_close,
+            mr_adc_ioctl,
+            mr_adc_read,
+            MR_NULL,
+        };
+
+    MR_ASSERT(adc != MR_NULL);
+    MR_ASSERT(name != MR_NULL);
+    MR_ASSERT(ops != MR_NULL);
+
+    /* Initialize the private fields */
+    adc->config.channel._mask = 0;
+
+    /* Protect every operation of the adc device */
+    ops->configure = ops->configure ? ops->configure : err_io_adc_configure;
+    ops->channel_configure = ops->channel_configure ? ops->channel_configure : err_io_adc_channel_configure;
+    ops->read = ops->read ? ops->read : err_io_adc_read;
+    adc->ops = ops;
+
+    /* Add the device */
+    return mr_device_add(&adc->device, name, Mr_Device_Type_ADC, MR_DEVICE_OFLAG_RDONLY, &device_ops, data);
+}
+
+#endif