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I2C support is only Linux.

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So code should be compiled under Linux, not avoiding Apple.
This commit is contained in:
SASANO Takayoshi
2019-03-13 20:30:49 +09:00
parent e5a1ed5de5
commit 4e910ef970
1 changed files with 5 additions and 5 deletions
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10
I2CController.cpp
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@@ -63,7 +63,7 @@ int CI2CController::write(const unsigned char* buffer, unsigned int length)
#include <fcntl.h> #include <fcntl.h>
#include <unistd.h> #include <unistd.h>
#include <termios.h> #include <termios.h>
#if !defined(__APPLE__) #if defined(__linux__)
#include <linux/i2c-dev.h> #include <linux/i2c-dev.h>
#endif #endif
@@ -81,7 +81,7 @@ bool CI2CController::open()
{ {
assert(m_fd == -1); assert(m_fd == -1);
#if !defined(__APPLE__) #if defined(__linux__)
m_fd = ::open(m_device.c_str(), O_RDWR); m_fd = ::open(m_device.c_str(), O_RDWR);
if (m_fd < 0) { if (m_fd < 0) {
LogError("Cannot open device - %s", m_device.c_str()); LogError("Cannot open device - %s", m_device.c_str());
@@ -100,7 +100,7 @@ bool CI2CController::open()
return false; return false;
} }
#else #else
#warning "I2C controller does not support OSX" #warning "I2C controller supports Linux only"
#endif #endif
return true; return true;
@@ -117,7 +117,7 @@ int CI2CController::read(unsigned char* buffer, unsigned int length)
unsigned int offset = 0U; unsigned int offset = 0U;
while (offset < length) { while (offset < length) {
#if !defined(__APPLE__) #if defined(__linux__)
ssize_t n = ::read(m_fd, buffer + offset, 1U); ssize_t n = ::read(m_fd, buffer + offset, 1U);
if (n < 0) { if (n < 0) {
if (errno != EAGAIN) { if (errno != EAGAIN) {
@@ -145,7 +145,7 @@ int CI2CController::write(const unsigned char* buffer, unsigned int length)
unsigned int ptr = 0U; unsigned int ptr = 0U;
while (ptr < length) { while (ptr < length) {
ssize_t n = 0U; ssize_t n = 0U;
#if !defined(__APPLE__) #if defined(__linux__)
n = ::write(m_fd, buffer + ptr, 1U); n = ::write(m_fd, buffer + ptr, 1U);
#endif #endif
if (n < 0) { if (n < 0) {