From 281e435bfa70a593c9f7ed3f3f61524be721c2eb Mon Sep 17 00:00:00 2001
From: Holger Wirtz <wirtz@parasitstudio.de>
Date: Thu, 26 Mar 2020 16:16:15 +0100
Subject: [PATCH] Another fix for stereo/mono implementation.

---
 MicroDexed.ino | 25 +++----------------------
 1 file changed, 3 insertions(+), 22 deletions(-)

diff --git a/MicroDexed.ino b/MicroDexed.ino
index 490a7a9..b0368c2 100644
--- a/MicroDexed.ino
+++ b/MicroDexed.ino
@@ -224,7 +224,6 @@ const uint8_t cs_pins[] = { SDCARD_TEENSY_CS_PIN, SDCARD_AUDIO_CS_PIN };
 const uint8_t mosi_pins[] = { SDCARD_TEENSY_MOSI_PIN, SDCARD_AUDIO_MOSI_PIN };
 const uint8_t sck_pins[] = { SDCARD_TEENSY_SCK_PIN, SDCARD_AUDIO_SCK_PIN };
 char version_string[LCD_cols + 1];
-int8_t config_pan[NUM_DEXED];
 
 #if defined(USE_FX)
 // Allocate the delay lines for chorus
@@ -512,7 +511,6 @@ void setup()
 
     // PANORAMA
     mono2stereo[instance_id]->panorama(mapfloat(configuration.dexed[instance_id].pan, PANORAMA_MIN, PANORAMA_MAX, -1.0, 1.0));
-    config_pan[instance_id] = -1;
   }
 
 #if defined(USE_FX)
@@ -1271,42 +1269,27 @@ void set_volume(uint8_t v, uint8_t m)
     case 0: // stereo
       stereo2mono.stereo(true);
       for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
-      {
-        if (config_pan[instance_id] >= 0)
-          configuration.dexed[instance_id].pan = config_pan[instance_id];
         mono2stereo[instance_id]->panorama(mapfloat(configuration.dexed[instance_id].pan, PANORAMA_MIN, PANORAMA_MAX, -1.0, 1.0));
-      }
       modchorus_inverter.gain(-1.0); // stereo mode
       break;
     case 1: // mono both
       stereo2mono.stereo(false);
       for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
-      {
-        config_pan[instance_id] = configuration.dexed[instance_id].pan;
-        configuration.dexed[instance_id].pan = PANORAMA_DEFAULT;
-      }
+        mono2stereo[instance_id]->panorama(mapfloat(PANORAMA_DEFAULT, PANORAMA_MIN, PANORAMA_MAX, -1.0, 1.0));
       modchorus_inverter.gain(1.0);
       break;
     case 2: // mono right
       volume_l.gain(0.0);
       stereo2mono.stereo(false);
       for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
-      {
-        config_pan[instance_id] = configuration.dexed[instance_id].pan;
-        configuration.dexed[instance_id].pan = 0.0;
-        mono2stereo[instance_id]->panorama(mapfloat(configuration.dexed[instance_id].pan, PANORAMA_MIN, PANORAMA_MAX, -1.0, 1.0));
-      }
+        mono2stereo[instance_id]->panorama(mapfloat(PANORAMA_MAX, PANORAMA_MIN, PANORAMA_MAX, -1.0, 1.0));
       modchorus_inverter.gain(1.0);
       break;
     case 3: // mono left
       volume_r.gain(0.0);
       stereo2mono.stereo(false);
       for (uint8_t instance_id = 0; instance_id < NUM_DEXED; instance_id++)
-      {
-        config_pan[instance_id] = configuration.dexed[instance_id].pan;
-        configuration.dexed[instance_id].pan = 1.0;
-        mono2stereo[instance_id]->panorama(mapfloat(configuration.dexed[instance_id].pan, PANORAMA_MIN, PANORAMA_MAX, -1.0, 1.0));
-      }
+        mono2stereo[instance_id]->panorama(mapfloat(PANORAMA_MIN, PANORAMA_MIN, PANORAMA_MAX, -1.0, 1.0));
       modchorus_inverter.gain(1.0);
       break;
   }
@@ -1550,8 +1533,6 @@ void eeprom_update(void)
       autostore = 0;
     else
     {
-      if (config_pan[instance_id] >= 0)
-        configuration.dexed[instance_id].pan = config_pan[instance_id];
       eeprom_update_flag = false;
       configuration.checksum = crc32((byte*)&configuration + 4, sizeof(configuration) - 4);
       EEPROM.put(EEPROM_START_ADDRESS, configuration);