#define DRV_I2C_H
#include "cfg/cfg_i2c.h"
+
#include <cfg/compiler.h>
+#include <cfg/macros.h>
+
+#include <cpu/attr.h>
#define I2C_READBIT BV(0)
+#define i2c_init(FN_ARGS) PP_CAT(i2c_init ## _, COUNT_PARMS(FN_ARGS)) (FN_ARGS)
+
/**
* I2C Backends.
* Sometimes your cpu does not have a builtin
/*\}*/
#if CONFIG_I2C_BACKEND == I2C_BACKEND_BUILTIN
- #define i2c_init i2c_builtin_init
- #define i2c_start_w i2c_builtin_start_w
- #define i2c_start_r i2c_builtin_start_r
- #define i2c_stop i2c_builtin_stop
- #define i2c_put i2c_builtin_put
- #define i2c_get i2c_builtin_get
+ #define i2c_init_0 i2c_builtin_init
+ #define i2c_start_w i2c_builtin_start_w
+ #define i2c_start_r i2c_builtin_start_r
+ #define i2c_stop i2c_builtin_stop
+ #define i2c_put i2c_builtin_put
+ #define i2c_get i2c_builtin_get
#elif CONFIG_I2C_BACKEND == I2C_BACKEND_BITBANG
- #define i2c_init i2c_bitbang_init
- #define i2c_start_w i2c_bitbang_start_w
- #define i2c_start_r i2c_bitbang_start_r
- #define i2c_stop i2c_bitbang_stop
- #define i2c_put i2c_bitbang_put
- #define i2c_get i2c_bitbang_get
+ #define i2c_init_0 i2c_bitbang_init
+ #define i2c_start_w i2c_bitbang_start_w
+ #define i2c_start_r i2c_bitbang_start_r
+ #define i2c_stop i2c_bitbang_stop
+ #define i2c_put i2c_bitbang_put
+ #define i2c_get i2c_bitbang_get
#else
#error Unsupported i2c backend.
#endif
bool i2c_recv(void *_buf, size_t count);
-
-
/*
* I2c new api
*
*/
-#include CPU_HEADER(i2c)
struct I2cHardware;
-typedef int (*i2c_writeRope_t)(I2c *i2c, uint16_t slave_addr, int flags, const void *buf, size_t len, ...);
-typedef int (*i2c_readRope_t)(I2c *i2c, uint16_t slave_addr, int flags, void *buf, size_t len, ...);
+struct I2c;
+
+typedef int (*i2c_writeRope_t)(struct I2c *i2c, uint16_t slave_addr, int flags, const void *buf, size_t len, ...);
+typedef int (*i2c_readRope_t)(struct I2c *i2c, uint16_t slave_addr, int flags, void *buf, size_t len, ...);
typedef struct I2c
{
struct I2cHardware* hw;
} I2c;
-void i2c_init(I2c *i2c, int dev, uint32_t clock);
-#define i2c_write(FN_ARGS) CAT(fn ## _, COUNT_PARMS(FN_ARGS)) (FN_ARGS)
-#define i2c_read(FN_ARGS) CAT(fn ## _, COUNT_PARMS(FN_ARGS)) (FN_ARGS)
+#include CPU_HEADER(i2c)
+
+INLINE void i2c_init_3(I2c *i2c, int dev, uint32_t clock)
+{
+ i2c_hw_init(i2c, dev, clock);
+}
+
+#define i2c_write(FN_ARGS) PP_CAT(i2c_write ## _, COUNT_PARMS(FN_ARGS)) (FN_ARGS)
+#define i2c_read(FN_ARGS) PP_CAT(i2c_read ## _, COUNT_PARMS(FN_ARGS)) (FN_ARGS)
/*
* Overloaded functions definition.
*/
-int i2c_write_5(I2c *i2c, uint16_t slave_addr, int flags, const void *buf, size_t len);
-int i2c_read_5(I2c *i2c, uint16_t slave_addr, int flags, void *buf, size_t len);
+INLINE int i2c_write_5(I2c *i2c, uint16_t slave_addr, int flags, const void *buf, size_t len)
+{
+ return i2c->write(i2c, slave_addr, flags, buf, len, NULL);
+}
+
+INLINE int i2c_read_5(I2c *i2c, uint16_t slave_addr, int flags, void *buf, size_t len)
+{
+ return i2c->read(i2c, slave_addr, flags, buf, len, NULL);
+}
+
+
+INLINE int i2c_write_7(I2c *i2c, uint16_t slave_addr, int flags, const void *buf, size_t len,
+ const void *buf1, size_t len1)
+{
+ return i2c->write(i2c, slave_addr, flags, buf, len,
+ buf1, len1, NULL);
+}
+
+INLINE int i2c_read_7(I2c *i2c, uint16_t slave_addr, int flags, void *buf, size_t len,
+ void *buf1, size_t len1)
+
+{
+ return i2c->read(i2c, slave_addr, flags, buf, len,
+ buf1, len1, NULL);
+}
-int i2c_write_7(I2c *i2c, uint16_t slave_addr, int flags, const void *buf, size_t len,
- const void *buf1, size_t len1);
-int i2c_read_7(I2c *i2c, uint16_t slave_addr, int flags, void *buf, size_t len,
- void *buf1, size_t len1);
-int i2c_write_9(I2c *i2c, uint16_t slave_addr, int flags, const void *buf, size_t len,
+INLINE int i2c_write_9(I2c *i2c, uint16_t slave_addr, int flags, const void *buf, size_t len,
const void *buf1, size_t len1,
- const void *buf2, size_t len2);
-int i2c_read_9(I2c *i2c, uint16_t slave_addr, int flags, void *buf, size_t len,
+ const void *buf2, size_t len2)
+{
+ return i2c->write(i2c, slave_addr, flags, buf, len,
+ buf1, len1,
+ buf2, len2, NULL);
+}
+
+INLINE int i2c_read_9(I2c *i2c, uint16_t slave_addr, int flags, void *buf, size_t len,
void *buf1, size_t len1,
- void *buf2, size_t len2);
+ void *buf2, size_t len2)
+{
+ return i2c->read(i2c, slave_addr, flags, buf, len,
+ buf1, len1,
+ buf2, len2, NULL);
+}
-int i2c_write_11(I2c *i2c, uint16_t slave_addr, int flags, const void *buf, size_t len,
+INLINE int i2c_write_11(I2c *i2c, uint16_t slave_addr, int flags, const void *buf, size_t len,
const void *buf1, size_t len1,
- const void *buf2, size_t len2
- const void *buf3, size_t len3);
-int i2c_read_11(I2c *i2c, uint16_t slave_addr, int flags, void *buf, size_t len,
+ const void *buf2, size_t len2,
+ const void *buf3, size_t len3)
+{
+ return i2c->write(i2c, slave_addr, flags, buf, len,
+ buf1, len1,
+ buf2, len2,
+ buf3, len3, NULL);
+}
+
+INLINE int i2c_read_11(I2c *i2c, uint16_t slave_addr, int flags, void *buf, size_t len,
void *buf1, size_t len1,
- void *buf2, size_t len2
- void *buf3, size_t len3);
+ void *buf2, size_t len2,
+ void *buf3, size_t len3)
+{
+ return i2c->read(i2c, slave_addr, flags, buf, len,
+ buf1, len1,
+ buf2, len2,
+ buf3, len3, NULL);
+}
#endif
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