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i2c: use uint8_t throughout to make code clearer

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Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Brendan Le Foll
2014-05-23 14:21:53 +01:00
parent ded3830951
commit d847ae7847
4 changed files with 15 additions and 15 deletions
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9
api/i2c.h
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@@ -37,6 +37,7 @@ extern "C" {
#include <stdlib.h>
#include <stdio.h>
#include <fcntl.h>
#include <stdint.h>
#include "maa.h"
#include "gpio.h"
@@ -77,7 +78,7 @@ maa_result_t maa_i2c_frequency(maa_i2c_context dev, int hz);
*
* @return maa_result_t the maa result.
*/
maa_result_t maa_i2c_read(maa_i2c_context dev, char *data, int length);
maa_result_t maa_i2c_read(maa_i2c_context dev, uint8_t *data, int length);
/** Read a single byte from the i2c context
*
@@ -85,7 +86,7 @@ maa_result_t maa_i2c_read(maa_i2c_context dev, char *data, int length);
*
* @return byte the result of the read or -1 if failed.
*/
int maa_i2c_read_byte(maa_i2c_context dev);
uint8_t maa_i2c_read_byte(maa_i2c_context dev);
/** Write to an i2c context
*
@@ -95,7 +96,7 @@ int maa_i2c_read_byte(maa_i2c_context dev);
*
* @return maa_result_t the maa result.
*/
maa_result_t maa_i2c_write(maa_i2c_context dev, const char *data, int length);
maa_result_t maa_i2c_write(maa_i2c_context dev, const uint8_t *data, int length);
/** Write a single byte to an i2c context
*
@@ -104,7 +105,7 @@ maa_result_t maa_i2c_write(maa_i2c_context dev, const char *data, int length);
*
* @return maa_result_t the maa result.
*/
maa_result_t maa_i2c_write_byte(maa_i2c_context dev, const int data);
maa_result_t maa_i2c_write_byte(maa_i2c_context dev, const uint8_t data);
/** Sets the i2c context address.
*

8
api/i2c.hpp
View File

@@ -51,16 +51,16 @@ class I2c {
maa_result_t address(int address) {
return maa_i2c_address(m_i2c, address);
}
int read_byte() {
uint8_t read_byte() {
return maa_i2c_read_byte(m_i2c);
}
maa_result_t read(char *data, int length) {
maa_result_t read(uint8_t* data, int length) {
return maa_i2c_read(m_i2c, data, length);
}
maa_result_t write(const char *data, int length) {
maa_result_t write(const uint8_t* data, int length) {
return maa_i2c_write(m_i2c, data, length);
}
maa_result_t write_byte(const int data) {
maa_result_t write_byte(const uint8_t data) {
return maa_i2c_write_byte(m_i2c, data);
}
private: