ETM-Schurig/powersync-core
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fixed gpio warnings (errors on trusty and utopic)

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Simon Stürz 2014-10-29 13:37:50 +01:00 committed by Michael Zanetti
parent de77f9fb94
commit f62e7d9e01
1 changed files with 10 additions and 5 deletions
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15
libguh/hardware/gpio.cpp
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@ -61,9 +61,9 @@ bool Gpio::exportGpio()
return false;
}
size_t len = snprintf(buf, sizeof(buf), "%d", m_gpio);
uint len = snprintf(buf, sizeof(buf), "%d", m_gpio);
if(write(fd, buf, len) != len){
qDebug() << "ERROR: could not write to gpio";
qDebug() << "ERROR: could not set edge interrupt";
close(fd);
return false;
}
@ -81,9 +81,10 @@ bool Gpio::unexportGpio()
//qDebug() << "ERROR: could not open /sys/class/gpio/unexport";
return false;
}
size_t len = snprintf(buf, sizeof(buf), "%d", m_gpio);
uint len = snprintf(buf, sizeof(buf), "%d", m_gpio);
if(write(fd, buf, len) != len){
qDebug() << "ERROR: could not write to gpio";
qDebug() << "ERROR: could not set edge interrupt";
close(fd);
return false;
}
@ -235,7 +236,11 @@ int Gpio::getValue()
}
char ch;
int value = -1;
read(fd, &ch, 1);
ssize_t len = read(fd, &ch, 1);
if(len != 1){
close(fd);
return -1;
}
if (ch != '0') {
value = 1;