diff options
Diffstat (limited to 'bsp/ls1cdev/drivers/hw_i2c.c')
| -rw-r--r-- | bsp/ls1cdev/drivers/hw_i2c.c | 32 |
1 files changed, 16 insertions, 16 deletions
diff --git a/bsp/ls1cdev/drivers/hw_i2c.c b/bsp/ls1cdev/drivers/hw_i2c.c index 1f63df1ab9..a64b42b5e1 100644 --- a/bsp/ls1cdev/drivers/hw_i2c.c +++ b/bsp/ls1cdev/drivers/hw_i2c.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2006-2018, RT-Thread Development Team + * Copyright (c) 2006-2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * @@ -10,7 +10,7 @@ #include <rtthread.h> #include <rtdevice.h> -#include "ls1c_i2c.h" +#include "ls1c_i2c.h" #include "../libraries/ls1c_pin.h" #ifdef RT_USING_I2C @@ -26,30 +26,30 @@ rt_size_t rt_i2c_master_xfer(struct rt_i2c_bus_device *bus, rt_uint32_t num) { struct ls1c_i2c_bus * i2c_bus = (struct ls1c_i2c_bus *)bus; - ls1c_i2c_info_t i2c_info; + ls1c_i2c_info_t i2c_info; struct rt_i2c_msg *msg; int i; rt_int32_t ret = RT_EOK; - i2c_info.clock = 50000; // 50kb/s + i2c_info.clock = 50000; // 50kb/s i2c_info.I2Cx = i2c_bus->u32Module; i2c_init(&i2c_info); - + for (i = 0; i < num; i++) { msg = &msgs[i]; if (msg->flags == RT_I2C_RD) { - i2c_send_start_and_addr(&i2c_info, msg->addr, LS1C_I2C_DIRECTION_READ); - i2c_receive_ack(&i2c_info); - i2c_receive_data(&i2c_info, (rt_uint8_t *)msg->buf, msg->len); - i2c_send_stop(&i2c_info); + i2c_send_start_and_addr(&i2c_info, msg->addr, LS1C_I2C_DIRECTION_READ); + i2c_receive_ack(&i2c_info); + i2c_receive_data(&i2c_info, (rt_uint8_t *)msg->buf, msg->len); + i2c_send_stop(&i2c_info); } else if(msg->flags == RT_I2C_WR) { - i2c_send_start_and_addr(&i2c_info, msg->addr, LS1C_I2C_DIRECTION_WRITE); - i2c_receive_ack(&i2c_info); - i2c_send_data(&i2c_info, (rt_uint8_t *)msg->buf, msg->len); - i2c_send_stop(&i2c_info); + i2c_send_start_and_addr(&i2c_info, msg->addr, LS1C_I2C_DIRECTION_WRITE); + i2c_receive_ack(&i2c_info); + i2c_send_data(&i2c_info, (rt_uint8_t *)msg->buf, msg->len); + i2c_send_stop(&i2c_info); } ret++; } @@ -85,7 +85,7 @@ static const struct rt_i2c_bus_device_ops ls1c_i2c_ops = #ifdef RT_USING_I2C0 -static struct ls1c_i2c_bus ls1c_i2c_bus_0 = +static struct ls1c_i2c_bus ls1c_i2c_bus_0 = { {1}, LS1C_I2C_0, @@ -93,7 +93,7 @@ static struct ls1c_i2c_bus ls1c_i2c_bus_0 = #endif #ifdef RT_USING_I2C1 -static struct ls1c_i2c_bus ls1c_i2c_bus_1 = +static struct ls1c_i2c_bus ls1c_i2c_bus_1 = { {1}, LS1C_I2C_1, @@ -101,7 +101,7 @@ static struct ls1c_i2c_bus ls1c_i2c_bus_1 = #endif #ifdef RT_USING_I2C2 -static struct ls1c_i2c_bus ls1c_i2c_bus_2 = +static struct ls1c_i2c_bus ls1c_i2c_bus_2 = { {1}, LS1C_I2C_2, |