mouse coordinate stores are now 11 bits wide.

Added inline functions for volume and gain control.

1 files changed, 104 insertions, 1 deletions

diff --git a/Graphic_Equalizer/src/events.hcc b/Graphic_Equalizer/src/events.hcc
index 2e8c272..275bc25 100644
--- a/Graphic_Equalizer/src/events.hcc
+++ b/Graphic_Equalizer/src/events.hcc
@@ -26,6 +26,7 @@
 

 /******** Application Includes ********/

 #include "configuration.hch"

+#include "display_shared.hch"

 #include "eventhandler_shared.hch"

 #include "events.hch"

 

@@ -40,6 +41,108 @@ ram unsigned 8 presets_default_values[768] = {
 

 

 

+/*! \fn		void set_preset(unsigned 10 *active_preset,

+ *			unsigned 10 *preset_offset, unsigned 8 new_preset,

+ *			unsigned 4 *equalizer_levels_ptr,

+ *			unsigned 4 *equalizer_levels)

+ * \brief	This function changes the active preset to the new_preset

+ *		received from the userinterface and updates internal pointers.

+ *

+ * \param	*active_preset		Local store that holds the current

+ *					active preset.

+ * \param	*preset_offset		Local store that holds the index to the

+ *					current active preset in the presets

+ *					array.

+ * \param	new_preset		The new preset.

+ * \param	*equalizer_levels_ptr	Pointer pointing to the current

+ *					equalizer settings.

+ * \param	*equalizer_levels	Local store with all presets.

+ */

+inline void set_preset(unsigned 10 *active_preset, unsigned 10 *preset_offset, unsigned 8 new_preset, unsigned 4 *equalizer_levels_ptr, unsigned 4 *equalizer_levels) {

+	/*

+	 * The active preset is determined by the mask minus an offset. Hence

+	 * ranging our active preset from 0 to 6.

+	 */

+	*active_preset = 0 @ new_preset;

+	/*

+	 * Each equalizer is 128 bands wide, thus we need to add 128 the preset

+	 * for each different preset. This offset is calculated here.

+	 */

+	*preset_offset = *active_preset << 7;

+	/*

+	 * We set the pointer to the active part of the array by using the

+	 * preset offset as our index. Hence depending on the selected preset

+	 * we point to 0, 128, 256, 384, 512 or 640.

+	 */

+	equalizer_levels_ptr = &equalizer_levels[*preset_offset];

+}

+

+

+

+/*

+ */

+inline unsigned 5 change_volume_from_coordinate(unsigned 11 coordinate, events_t *events, skindata_t *skindata) {

+	unsigned 5 retval;

+	unsigned 5 volumeleft;

+

+	/*

+	 * Copy the current Y cursor position to the events struct. This we

+	 * need for drawing purposes.

+	 */

+	events->volume_position = coordinate;

+	/*

+	 * Look the relative y-coordinate up in the volumecontrol lookup table.

+	 * We make a local copy here because the RC200 call doesn't behave

+	 * nicely when passing anything else.

+	 */

+	volumeleft = volumecontrol_table[(coordinate -skindata->volume.top) <- 6];

+	/*

+	 * We feel that volume gets softer the closer it gets to the 0, and

+	 * louder as it approaches 0x1f. The SetVolume RC200 call does this in

+	 * an unnatural reverse way. Therefor we 'fix' it.

+	 */

+	RC200AudioOutSetVolume(!volumeleft, (0x1f -volumeleft), (0x1f -volumeleft));

+	/*

+	 * Now that we have set the gain, we return it incase someone needs it.

+	 */

+	retval = volumeleft;

+

+	return retval;

+}

+

+

+

+/*

+ */

+inline unsigned 4 change_inputgain_from_coordinate(unsigned 11 coordinate, events_t *events, skindata_t *skindata) {

+	unsigned 4 retval;

+	unsigned 4 gainleft;

+

+	/*

+	 * Copy the current Y cursor position to the events struct. This we

+	 * then later use for drawing purposes.

+	 */

+	events->inputgain_position = coordinate;

+	/*

+	 * Look the relative y-coordinate up in the inputgain lookup table. We

+	 * make a local copy here because the RC200 call doesn't behave nicely

+	 * when passing anything else.

+	 */

+	gainleft = inputgain_table[(coordinate -skindata->inputgain.top) <- 6];

+	/*

+	 * Finally we set the gain as calculated.

+	 */

+	RC200AudioInSetGain(!gainleft, gainleft, gainleft);

+	/*

+	 * Now that we have set the gain, we return it incase someone needs it.

+	 */

+	retval = gainleft;

+

+	return retval;

+}

+

+

+

 /*! \fn		void load_preset(unsigned 10 preset, unsigned 4 *equalizer_levels_ptr);

  * \brief	This function loads 768 4bits presets into the equalizer_levels

  *		array pointed to by equalizer_levels.

@@ -73,4 +176,4 @@ void load_preset(unsigned 10 preset, unsigned 4 *equalizer_levels_ptr) {
  * should be dynamically loaded.

  */

 ram unsigned 4 equalizer_table[640] = {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};

-ram unsigned 10 equalizer_table_inv[16] = {446, 444, 440, 436, 432, 428, 424, 420, 416, 412, 408, 404, 400, 396, 392, 384};

+ram unsigned 11 equalizer_table_inv[16] = {446, 444, 440, 436, 432, 428, 424, 420, 416, 412, 408, 404, 400, 396, 392, 384};