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| author | Oliver Schinagl <oliver@schinagl.nl> | 2004-11-24 15:29:03 (GMT) |
|---|---|---|
| committer | Oliver Schinagl <oliver@schinagl.nl> | 2004-11-24 15:29:03 (GMT) |
| commit | 3ff31863d7dc06829c1233a377ac2bce03cd8fe0 (patch) | |
| tree | fe78ecd392487a2a63ffb80158fac6e1ae7a66fe | |
| parent | 14199e75ce0b65d51148c3a8e0558d377eb8463e (diff) | |
| download | TASS-3ff31863d7dc06829c1233a377ac2bce03cd8fe0.zip TASS-3ff31863d7dc06829c1233a377ac2bce03cd8fe0.tar.gz TASS-3ff31863d7dc06829c1233a377ac2bce03cd8fe0.tar.bz2 | |
if possible, events are defined here.
Currently we have one function, the loading of presets from RAM memory into fpga ram.
equalizer lookup tables are now moved to here.
| -rw-r--r-- | Graphic_Equalizer/src/events.hcc | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/Graphic_Equalizer/src/events.hcc b/Graphic_Equalizer/src/events.hcc index 89f9eaa..d265808 100644 --- a/Graphic_Equalizer/src/events.hcc +++ b/Graphic_Equalizer/src/events.hcc @@ -26,6 +26,7 @@ /******** Application Includes ********/
#include "configuration.hch"
+#include "eventhandler_shared.hch"
#include "events.hch"
#if HAVE_DEBUG
@@ -44,31 +45,44 @@ * \return void
* \retval void
*/
-void load_preset(unsigned 20 preset_address, unsigned 4 *equalizer_levels) {
+macro proc load_preset(preset_address, equalizer_levels) {
macro expr RAM_BANK0 = PalPL2RAMCT(0);
macro expr AW = PalPL2RAMGetMaxAddressWidthCT();
macro expr DW = PalPL2RAMGetMaxDataWidthCT();
unsigned DW data;
+ unsigned AW address;
unsigned 10 equalizer_index;
+ address = preset_address;
/*
* PL2Ram needs a clockclycle between the set of an address and read.
* Therefore we set it once here.
*/
- PalPL2RAMSetReadAddress(RAM_BANK0, preset_address);
+ PalPL2RAMSetReadAddress(RAM_BANK0, address);
/*
*
*/
- for (equalizer_index = 0; equalizer_index != 768; equalizer_index++) {
+ for (equalizer_index = 0; equalizer_index != 768; equalizer_index += 2) {
/*
* We've allready set the address hence we can allready
* increase it for next use.
*/
- preset_address++;
+ address++;
PalPL2RAMRead(RAM_BANK0, &data);
- equalizer_levels[equalizer_index] = data <- 4;
+ equalizer_levels[equalizer_index] = data[3:0];
+ equalizer_levels[equalizer_index +1] = data[7:4];
}
-} /* --- load_preset() --- */
\ No newline at end of file +} /* --- load_preset() --- */
+
+
+
+/*
+ * Equalizer lookuptabes.
+ * TODO: This table is now hardcoded. To ensure full skinability this table
+ * should be dynamically loaded.
+ */
+rom unsigned 4 equalizer_table[66] = {15, 15, 15, 15, 15, 14, 14, 14, 14, 13, 13, 13, 13, 12, 12, 12, 12, 11, 11, 11, 11, 10, 10, 10, 10, 9, 9, 9, 9, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0, 0};
+rom unsigned 10 equalizer_table_inv[16] = {446, 444, 440, 436, 432, 428, 424, 420, 416, 412, 408, 404, 400, 396, 392, 384};
\ No newline at end of file |