| -rw-r--r-- | libopie/odevice.cpp | 61 |
1 files changed, 58 insertions, 3 deletions
diff --git a/libopie/odevice.cpp b/libopie/odevice.cpp index f808960..4b5a54e 100644 --- a/libopie/odevice.cpp +++ b/libopie/odevice.cpp @@ -74,2 +74,3 @@ public: uint m_holdtime; + QStrList *m_cpu_frequencies; }; @@ -425,2 +426,3 @@ ODevice::ODevice ( ) d-> m_buttons = 0; + d-> m_cpu_frequencies = new QStrList; } @@ -775,2 +777,42 @@ int ODevice::lightSensorResolution ( ) const /** + * @return a list with valid CPU frequency + */ +QStrList &ODevice::cpuFrequencies ( ) const +{ +qWarning("ODevice::cpuFrequencies: m_cpu_frequencies is %d", (int) d->m_cpu_frequencies); + return *d->m_cpu_frequencies; +} + + +/** + * Set desired cpu frequency + * + * @param index index into d->m_cpu_frequencies of the frequency to be set + */ +bool ODevice::setCpuFrequency(uint index) +{ + if (index >= d->m_cpu_frequencies->count()) + return false; + + char *freq = d->m_cpu_frequencies->at(index); + qWarning("set freq to %s", freq); + + //TODO: do the change in /proc/sys/cpu/0/speed + + return false; +} + +/** + * Returns current frequency index out of d->m_cpu_frequencies + */ +uint ODevice::cpuFrequency() const +{ + // TODO: get freq from /proc/sys/cpu/0/speed and return index + + return 0; +} + + + +/** * @return a list of hardware buttons @@ -1952,2 +1994,7 @@ void Ramses::init() +qWarning("adding freq"); + d->m_cpu_frequencies->append("100"); + d->m_cpu_frequencies->append("200"); + d->m_cpu_frequencies->append("300"); + d->m_cpu_frequencies->append("400"); } @@ -2012,2 +2059,3 @@ bool Ramses::suspend ( ) qDebug("Ramses::suspend"); + return false; } @@ -2050,4 +2098,13 @@ bool Ramses::setDisplayBrightness(int bright) bright = 0; - bright = 500-(bright * 500 / 255); + // Turn backlight completely off + if ((fd = ::open("/proc/sys/board/lcd_backlight", O_WRONLY)) >= 0) { + char writeCommand[10]; + const int count = sprintf(writeCommand, "%d\n", bright ? 1 : 0); + res = (::write(fd, writeCommand, count) != -1); + ::close(fd); + } + + // scale backlight brightness to hardware + bright = 500-(bright * 500 / 255); if ((fd = ::open("/proc/sys/board/pwm1", O_WRONLY)) >= 0) { @@ -2058,4 +2115,2 @@ bool Ramses::setDisplayBrightness(int bright) ::close(fd); - } else { - qWarning("no write"); } |