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i2c: allow binary strings as parameters to write() functions in scripting

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Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Brendan Le Foll
2014-07-01 13:51:03 +01:00
parent cf1881a978
commit 70ba5a56ab
4 changed files with 19 additions and 14 deletions
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14
api/mraa/i2c.hpp
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@@ -95,8 +95,8 @@ class I2c {
* @param length Size of read
* @return length of the read or 0 if failed
*/
int read(unsigned char * data, int length) {
return mraa_i2c_read(m_i2c, data, length);
int read(char * data, size_t length) {
return mraa_i2c_read(m_i2c, (uint8_t*) data, (int) length);
}
/**
* Write one byte to the bus
@@ -105,8 +105,8 @@ class I2c {
* @param length Size of buffer to send
* @return Result of operation
*/
mraa_result_t write(const unsigned char* data, int length) {
return mraa_i2c_write(m_i2c, data, length);
mraa_result_t write(char* data, size_t length) {
return mraa_i2c_write(m_i2c, (const unsigned char *)data, (int) length);
}
/**
@@ -116,8 +116,8 @@ class I2c {
* @param data Value to write to register
* @return Result of operation
*/
mraa_result_t writeReg(const unsigned char reg, const unsigned char data) {
const unsigned char buf[2] = {reg, data};
mraa_result_t writeReg(char reg, char data) {
const unsigned char buf[2] = {(unsigned char) reg, (unsigned char) data};
return mraa_i2c_write(m_i2c, buf, 2);
}
@@ -127,7 +127,7 @@ class I2c {
* @param data The byte to send on the bus
* @return Result of operation
*/
mraa_result_t write(const unsigned char data) {
mraa_result_t write(char data) {
return mraa_i2c_write_byte(m_i2c, data);
}
private:

8
api/mraa/spi.hpp
View File

@@ -75,8 +75,8 @@ class Spi {
* @param data the byte to send
* @return data received on the miso line
*/
unsigned char write(uint8_t data) {
return (unsigned char) mraa_spi_write(m_spi, data);
unsigned char write(char data) {
return (unsigned char) mraa_spi_write(m_spi, (uint8_t) data);
}
/**
* Write buffer of bytes to SPI device
@@ -85,8 +85,8 @@ class Spi {
* @param length size of buffer to send
* @return char* data received on the miso line. Same length as passed in
*/
unsigned char* write(uint8_t* data, int length) {
return (unsigned char*) mraa_spi_write_buf(m_spi, data, length);
unsigned char* write(char* data, size_t length) {
return (unsigned char*) mraa_spi_write_buf(m_spi, (uint8_t *) data, (int) length);
}
/**
* Change the SPI lsb mode