frequency change works now

2 files changed, 29 insertions, 20 deletions

diff --git a/libopie/odevice.cpp b/libopie/odevice.cpp
index 4b5a54e..4c33a0e 100644
--- a/libopie/odevice.cpp
+++ b/libopie/odevice.cpp
@@ -781,3 +781,2 @@ QStrList &ODevice::cpuFrequencies ( ) const
 {
-qWarning("ODevice::cpuFrequencies: m_cpu_frequencies is %d", (int) d->m_cpu_frequencies);
         return *d->m_cpu_frequencies;
@@ -799,15 +798,13 @@ bool ODevice::setCpuFrequency(uint index)
 
-        //TODO: do the change in /proc/sys/cpu/0/speed
+        int fd;
 
-        return false;
+        if ((fd = ::open("/proc/sys/cpu/0/speed", O_WRONLY)) >= 0) {
+                char writeCommand[50];
+                const int count = sprintf(writeCommand, "%s\n", freq);
+                int res = (::write(fd, writeCommand, count) != -1);
+                ::close(fd);
+                return res;
 }
 
-/**
- * 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 false;
 }
@@ -815,3 +812,2 @@ uint ODevice::cpuFrequency() const
 
-
 /**
@@ -1994,7 +1990,22 @@ 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");
+#ifdef QT_QWS_ALLOW_OVERCLOCK
+#warning *** Overclocking enabled - this may fry your hardware - you have been warned ***
+#define OC(x...)        x
+#else
+#define OC(x...)
+#endif
+
+
+        // This table is true for a Intel XScale PXA 255
+
+        d->m_cpu_frequencies->append("99000");      // mem= 99, run= 99, turbo= 99, PXbus= 50
+        OC(d->m_cpu_frequencies->append("118000"); )   // mem=118, run=118, turbo=118, PXbus= 59 OC'd mem
+        d->m_cpu_frequencies->append("199100");     // mem= 99, run=199, turbo=199, PXbus= 99
+        OC(d->m_cpu_frequencies->append("236000"); )   // mem=118, run=236, turbo=236, PXbus=118 OC'd mem
+        d->m_cpu_frequencies->append("298600");     // mem= 99, run=199, turbo=298, PXbus= 99
+        OC(d->m_cpu_frequencies->append("354000"); )   // mem=118, run=236, turbo=354, PXbus=118 OC'd mem
+        d->m_cpu_frequencies->append("398099");     // mem= 99, run=199, turbo=398, PXbus= 99
+        d->m_cpu_frequencies->append("398100");     // mem= 99, run=398, turbo=398, PXbus=196
+        OC(d->m_cpu_frequencies->append("471000"); )   // mem=118, run=471, turbo=471, PXbus=236 OC'd mem/core/bus
+
 }
@@ -2146,4 +2157,2 @@ bool Ramses::setDisplayContrast(int contr)
                 ::close(fd);
-        } else {
-                qWarning("no write");
         }
diff --git a/libopie/odevice.h b/libopie/odevice.h
index 7f6f856..18ff5f1 100644
--- a/libopie/odevice.h
+++ b/libopie/odevice.h
@@ -202,3 +202,3 @@ public:
         bool setCpuFrequency(uint index);
-        uint cpuFrequency() const;
+        int cpuFrequency() const;