userspace/libwr: clean up of i2c_bitbang.c and i2c_bitbang.h

Made static: i2c_bitbang_scan i2c_bitbang_transfer mi2c_pin_out

userspace/libwr: clean up of i2c_bitbang.c and i2c_bitbang.h
Made static: i2c_bitbang_scan i2c_bitbang_transfer mi2c_pin_out
ee56026c · Adam Wujek · f8a9307d · ee56026c · ee56026c
Commit ee56026c authored Oct 15, 2014 by Adam Wujek 💬
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Showing with 6 additions and 5 deletions

i2c_bitbang.c userspace/libwr/i2c_bitbang.c +6 -3

i2c_bitbang.h userspace/libwr/i2c_bitbang.h +0 -2

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--- a/userspace/libwr/i2c_bitbang.c
+++ b/userspace/libwr/i2c_bitbang.c
@@ -10,6 +10,9 @@

 #include "trace.h"

+static int32_t		i2c_bitbang_transfer(struct i2c_bus* bus, uint32_t address,  uint32_t to_write, uint32_t to_read, uint8_t* data);
+static int32_t		i2c_bitbang_scan(struct i2c_bus* bus, uint32_t address);
+
 int i2c_bitbang_init_bus(struct i2c_bus *bus)
 {
 	struct i2c_bitbang *priv;
@@ -37,7 +40,7 @@ int i2c_bitbang_init_bus(struct i2c_bus *bus)

 #define I2C_DELAY 4

-void mi2c_pin_out(pio_pin_t* pin, int state)
+static void mi2c_pin_out(pio_pin_t* pin, int state)
 {
       shw_pio_setdir(pin, state ? 0 : 1);
       shw_udelay(I2C_DELAY);
@@ -133,7 +136,7 @@ static uint8_t mi2c_get_byte(struct i2c_bitbang *bus, int ack)
 * \input address chip address on the bus
 * \output Return 1 (true) or 0 (false) if the bus has replied correctly
 */
-int32_t i2c_bitbang_scan(struct i2c_bus* bus, uint32_t address)
+static int32_t i2c_bitbang_scan(struct i2c_bus* bus, uint32_t address)
 {
 	if (!bus)
 		return I2C_NULL_PARAM;
@@ -154,7 +157,7 @@ int32_t i2c_bitbang_scan(struct i2c_bus* bus, uint32_t address)
 	return state ? 1: 0;
 }
 
-int	i2c_bitbang_transfer(i2c_bus_t* bus, uint32_t address, uint32_t to_write, uint32_t to_read, uint8_t* data)
+static int i2c_bitbang_transfer(i2c_bus_t* bus, uint32_t address, uint32_t to_write, uint32_t to_read, uint8_t* data)
 {
 	if (!bus)
 		return I2C_NULL_PARAM;

--- a/userspace/libwr/i2c_bitbang.h
+++ b/userspace/libwr/i2c_bitbang.h
@@ -17,7 +17,5 @@ struct i2c_bitbang {
 };

 int		i2c_bitbang_init_bus(struct i2c_bus *bus);
-int32_t		i2c_bitbang_transfer(struct i2c_bus* bus, uint32_t address,  uint32_t to_write, uint32_t to_read, uint8_t* data);
-int32_t		i2c_bitbang_scan(struct i2c_bus* bus, uint32_t address);

 #endif //I2C_CPU_BB_H