libs/rt-thread-official
libs
/
rt-thread-official
mirror of https://github.com/RT-Thread/rt-thread.git
4
0
Fork 0
Code Issues Releases Wiki Activity

[bsp][ls1c] add ls1c_hw_i2c_init

This commit is contained in:
sundm75 2018-03-17 19:04:23 +08:00
parent 4a8076e4b8
commit af743afb01
1 changed files with 30 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
bsp/ls1cdev/drivers/hw_i2c.c
View File

@ -25,6 +25,9 @@
#include <rtthread.h>
#include <rtdevice.h>
#include "ls1c_i2c.h"
#include "../libraries/ls1c_pin.h"
#ifdef RT_USING_I2C
struct ls1c_i2c_bus
{
@ -119,10 +122,32 @@ static struct ls1c_i2c_bus ls1c_i2c_bus_2 =
};
#endif
int rt_i2c_init(void)
int ls1c_hw_i2c_init(void)
{
struct ls1c_i2c_bus* ls1c_i2c;
#ifdef RT_USING_I2C0
/*
pin_set_purpose(2, PIN_PURPOSE_OTHER);
pin_set_purpose(3, PIN_PURPOSE_OTHER);
pin_set_remap(2, PIN_REMAP_SECOND);
pin_set_remap(3, PIN_REMAP_SECOND);
*/
#endif
#ifdef RT_USING_I2C1
pin_set_purpose(2, PIN_PURPOSE_OTHER);
pin_set_purpose(3, PIN_PURPOSE_OTHER);
pin_set_remap(2, PIN_REMAP_SECOND);
pin_set_remap(3, PIN_REMAP_SECOND);
#endif
#ifdef RT_USING_I2C2
pin_set_purpose(51, PIN_PURPOSE_OTHER);
pin_set_purpose(50, PIN_PURPOSE_OTHER);
pin_set_remap(51, PIN_REMAP_FOURTH);
pin_set_remap(50, PIN_REMAP_FOURTH);
#endif
#ifdef RT_USING_I2C0
ls1c_i2c = &ls1c_i2c_bus_0;
ls1c_i2c->parent.ops = &ls1c_i2c_ops;
@ -145,3 +170,7 @@ int rt_i2c_init(void)
return RT_EOK;
}
INIT_BOARD_EXPORT(ls1c_hw_i2c_init);
#endif