推送pin驱动基础版本0.0.1

device/pin/pin.c

@@ -0,0 +1,110 @@
+/*
+ * Copyright (c), mr-library Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2023-03-16     MacRsh       first version
+ */
+
+#include <device/pin/pin.h>
+
+#if (MR_DEVICE_PIN == MR_CONF_ENABLE)
+
+static mr_err_t mr_pin_ioctl(mr_device_t device, int cmd, void *args)
+{
+	mr_err_t ret = MR_ERR_OK;
+	mr_pin_t pin = (mr_pin_t)device;
+
+	switch (cmd & _MR_CMD_MASK)
+	{
+		case MR_CMD_CONFIG:
+		{
+			if (args)
+				ret = pin->ops->configure(pin,
+										  ((struct mr_pin_config *)args)->number,
+										  ((struct mr_pin_config *)args)->mode);
+
+			break;
+		}
+
+		default: ret = - MR_ERR_UNSUPPORTED;
+	}
+
+	return ret;
+}
+
+static mr_size_t mr_pin_read(mr_device_t device, mr_off_t pos, void *buffer, mr_size_t count)
+{
+	mr_pin_t pin = (mr_pin_t)device;
+
+	if (count == 0)
+		return 0;
+
+	*(mr_uint16_t *)buffer = pin->ops->read(pin, (mr_uint16_t)pos);
+	return 1;
+}
+
+static mr_size_t mr_pin_write(mr_device_t device, mr_off_t pos, const void *buffer, mr_size_t count)
+{
+	mr_pin_t pin = (mr_pin_t)device;
+
+	if (count == 0)
+		return 0;
+
+	pin->ops->write(pin, (mr_uint16_t)pos, *(mr_uint8_t *)buffer);
+	return 1;
+}
+
+static mr_err_t _hw_pin_configure(mr_pin_t pin, mr_uint16_t number, mr_uint16_t mode)
+{
+	MR_LOG_E("Pin configure error: -MR_ERR_IO");
+	MR_ASSERT(0);
+	return - MR_ERR_IO;
+}
+
+static void _hw_pin_write(mr_pin_t pin, mr_uint16_t number, mr_uint8_t value)
+{
+	MR_LOG_E("Pin write error: -MR_ERR_IO");
+	MR_ASSERT(0);
+}
+
+static mr_uint8_t _hw_pin_read(mr_pin_t pin, mr_uint16_t number)
+{
+	MR_LOG_E("Pin read error: -MR_ERR_IO");
+	MR_ASSERT(0);
+	return 0;
+}
+
+mr_err_t mr_hw_pin_add_to_container(mr_pin_t pin, const char *name, struct mr_pin_ops *ops, void *data)
+{
+	mr_err_t ret = MR_ERR_OK;
+	const static struct mr_device_ops device_ops =
+		{
+			.open = MR_NULL,
+			.close = MR_NULL,
+			.ioctl = mr_pin_ioctl,
+			.read = mr_pin_read,
+			.write = mr_pin_write,
+		};
+
+	MR_ASSERT(pin != MR_NULL);
+	MR_ASSERT(ops != MR_NULL);
+
+	/* Add the pin device to the container */
+	ret =
+		mr_device_add_to_container(&pin->device, name, MR_DEVICE_TYPE_PIN, MR_OPEN_RDWR, &device_ops, data);
+	if (ret != MR_ERR_OK)
+		return ret;
+
+	/* Set pin operations as protect functions if ops is null */
+	ops->configure = ops->configure ? ops->configure : _hw_pin_configure;
+	ops->write = ops->write ? ops->write : _hw_pin_write;
+	ops->read = ops->read ? ops->read : _hw_pin_read;
+	pin->ops = ops;
+
+	return MR_ERR_OK;
+}
+
+#endif

device/pin/pin.h

@@ -0,0 +1,49 @@
+/*
+ * Copyright (c), mr-library Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2023-03-16     MacRsh       first version
+ */
+
+#ifndef _PIN_H_
+#define _PIN_H_
+
+#include <mrlib.h>
+
+#if (MR_DEVICE_PIN == MR_CONF_ENABLE)
+
+#define MR_PIN_MODE_OUT            0
+#define MR_PIN_MODE_OUT_OD         1
+#define MR_PIN_MODE_IN             2
+#define MR_PIN_MODE_IN_UP          3
+#define MR_PIN_MODE_IN_DOWN        4
+
+struct mr_pin_config
+{
+	mr_uint16_t number;
+	mr_uint16_t mode;
+};
+
+typedef struct mr_pin *mr_pin_t;
+struct mr_pin_ops
+{
+	mr_err_t (*configure)(mr_pin_t pin, mr_uint16_t number, mr_uint16_t mode);
+	void (*write)(mr_pin_t pin, mr_uint16_t number, mr_uint8_t value);
+	mr_uint8_t (*read)(mr_pin_t pin, mr_uint16_t number);
+};
+
+struct mr_pin
+{
+	struct mr_device device;
+
+	const struct mr_pin_ops *ops;
+};
+
+mr_err_t mr_hw_pin_add_to_container(mr_pin_t pin, const char *name, struct mr_pin_ops *ops, void *data);
+
+#endif
+
+#endif