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@@ -1,147 +0,0 @@
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-/*
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- * File :hw_i2c.c
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- * This file is part of RT-Thread RTOS
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- * COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License along
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- * with this program; if not, write to the Free Software Foundation, Inc.,
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- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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- *
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- * Change Logs:
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- * Date Author Notes
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- * 2018-01-04 Sundm75 the first version
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- */
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-
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-#include <rtthread.h>
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-#include <rtdevice.h>
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-#include "ls1c_i2c.h"
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-
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-struct ls1c_i2c_bus
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-{
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- struct rt_i2c_bus_device parent;
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- rt_uint32_t u32Module;
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-};
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-
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-rt_size_t rt_i2c_master_xfer(struct rt_i2c_bus_device *bus,
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- struct rt_i2c_msg *msgs,
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- rt_uint32_t num)
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-{
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- struct ls1c_i2c_bus * i2c_bus = (struct ls1c_i2c_bus *)bus;
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- ls1c_i2c_info_t i2c_info;
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- struct rt_i2c_msg *msg;
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- int i;
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- rt_int32_t ret = RT_EOK;
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- i2c_info.clock = 50000; // 50kb/s
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- i2c_info.I2Cx = i2c_bus->u32Module;
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- i2c_init(&i2c_info);
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-
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- for (i = 0; i < num; i++)
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- {
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- msg = &msgs[i];
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- if (msg->flags == RT_I2C_RD)
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- {
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- i2c_send_start_and_addr(&i2c_info, msg->addr, LS1C_I2C_DIRECTION_READ);
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- i2c_receive_ack(&i2c_info);
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- i2c_receive_data(&i2c_info, (rt_uint8_t *)msg->buf, msg->len);
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- i2c_send_stop(&i2c_info);
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- }
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- else if(msg->flags == RT_I2C_WR)
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- {
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- i2c_send_start_and_addr(&i2c_info, msg->addr, LS1C_I2C_DIRECTION_WRITE);
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- i2c_receive_ack(&i2c_info);
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- i2c_send_data(&i2c_info, (rt_uint8_t *)msg->buf, msg->len);
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- i2c_send_stop(&i2c_info);
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- }
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- ret++;
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- }
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- return ret;
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-}
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-
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-rt_err_t rt_i2c_bus_control(struct rt_i2c_bus_device *bus,
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- rt_uint32_t cmd,
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- rt_uint32_t arg)
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-{
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- struct ls1c_i2c_bus * i2c_bus = (struct ls1c_i2c_bus *)bus;
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-
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- RT_ASSERT(bus != RT_NULL);
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- i2c_bus = (struct ls1c_i2c_bus *)bus->parent.user_data;
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-
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- RT_ASSERT(i2c_bus != RT_NULL);
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-
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- switch (cmd)
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- {
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- case RT_DEVICE_CTRL_CONFIG :
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- break;
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- }
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-
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- return RT_EOK;
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-}
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-
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-static const struct rt_i2c_bus_device_ops ls1c_i2c_ops =
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-{
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- rt_i2c_master_xfer,
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- RT_NULL,
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- rt_i2c_bus_control
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-};
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-
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-
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-#ifdef RT_USING_I2C0
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-static struct ls1c_i2c_bus ls1c_i2c_bus_0 =
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-{
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- {1},
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- LS1C_I2C_0,
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-};
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-#endif
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-
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-#ifdef RT_USING_I2C1
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-static struct ls1c_i2c_bus ls1c_i2c_bus_1 =
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-{
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- {1},
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- LS1C_I2C_1,
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-};
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-#endif
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-
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-#ifdef RT_USING_I2C2
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-static struct ls1c_i2c_bus ls1c_i2c_bus_2 =
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-{
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- {1},
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- LS1C_I2C_2,
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-};
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-#endif
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-
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-int rt_i2c_init(void)
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-{
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- struct ls1c_i2c_bus* ls1c_i2c;
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-
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-#ifdef RT_USING_I2C0
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- ls1c_i2c = &ls1c_i2c_bus_0;
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- ls1c_i2c->parent.ops = &ls1c_i2c_ops;
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- rt_i2c_bus_device_register(&ls1c_i2c->parent, "i2c0");
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- rt_kprintf("i2c0_init!\n");
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-#endif
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-#ifdef RT_USING_I2C1
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- ls1c_i2c = &ls1c_i2c_bus_1;
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- ls1c_i2c->parent.ops = &ls1c_i2c_ops;
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- rt_i2c_bus_device_register(&ls1c_i2c->parent, "i2c1");
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- rt_kprintf("i2c1_init!\n");
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-#endif
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-
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-#ifdef RT_USING_I2C2
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- ls1c_i2c = &ls1c_i2c_bus_2;
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- ls1c_i2c->parent.ops = &ls1c_i2c_ops;
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- rt_i2c_bus_device_register(&ls1c_i2c->parent, "i2c2");
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- rt_kprintf("i2c2_init!\n");
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-#endif
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-
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- return RT_EOK;
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-}
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sundm75