Add channel selection for listening

1 files changed, 72 insertions, 23 deletions

diff --git a/src/app.c b/src/app.c
index 466a1a3..29d114f 100644
--- a/src/app.c
+++ b/src/app.c
@@ -151,6 +151,22 @@ typedef enum Button {
     POLY_PAD_MAX_CH_D = 11 + 10 * 4 + 5,
     POLY_PAD_MAX_CH_E = 11 + 10 * 4 + 6,
     POLY_PAD_MAX_CH_F = 11 + 10 * 4 + 7,
+    POLY_PAD_SEL_CH_0 = 11 + 10 * 3 + 0,
+    POLY_PAD_SEL_CH_1 = 11 + 10 * 3 + 1,
+    POLY_PAD_SEL_CH_2 = 11 + 10 * 3 + 2,
+    POLY_PAD_SEL_CH_3 = 11 + 10 * 3 + 3,
+    POLY_PAD_SEL_CH_4 = 11 + 10 * 3 + 4,
+    POLY_PAD_SEL_CH_5 = 11 + 10 * 3 + 5,
+    POLY_PAD_SEL_CH_6 = 11 + 10 * 3 + 6,
+    POLY_PAD_SEL_CH_7 = 11 + 10 * 3 + 7,
+    POLY_PAD_SEL_CH_8 = 11 + 10 * 2 + 0,
+    POLY_PAD_SEL_CH_9 = 11 + 10 * 2 + 1,
+    POLY_PAD_SEL_CH_A = 11 + 10 * 2 + 2,
+    POLY_PAD_SEL_CH_B = 11 + 10 * 2 + 3,
+    POLY_PAD_SEL_CH_C = 11 + 10 * 2 + 4,
+    POLY_PAD_SEL_CH_D = 11 + 10 * 2 + 5,
+    POLY_PAD_SEL_CH_E = 11 + 10 * 2 + 6,
+    POLY_PAD_SEL_CH_F = 11 + 10 * 2 + 7,
 } Button;
 
 typedef enum Mode {
@@ -171,7 +187,8 @@ u16 frame = 0;
 u16 n_voices = 0;
 u8 active = 1;
 u8 ch_min = 0;
-u8 ch_max = 4;
+u8 ch_max = 7;
+u8 ch_listen[16] = {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1};
 Mode mode = MOD_POLY_SETUP;
 Voice voices[16] = {0};
 
@@ -211,6 +228,11 @@ select_ch_max(u8 target) {
 }
 
 void
+select_ch_sel(u8 target) {
+    ch_listen[target] = !ch_listen[target];
+}
+
+void
 app_surface_event(u8 type, u8 index, u8 value) {
     switch (type) {
         case  TYPEPAD: {
@@ -257,7 +279,23 @@ app_surface_event(u8 type, u8 index, u8 value) {
                             case POLY_PAD_MAX_CH_D: { select_ch_max(13); } break;
                             case POLY_PAD_MAX_CH_E: { select_ch_max(14); } break;
                             case POLY_PAD_MAX_CH_F: { select_ch_max(15); } break;
-                            // TODO: Handle listen channel selection.
+                            // Handle listen channel selection.
+                            case POLY_PAD_SEL_CH_0: { select_ch_sel(0);  } break;
+                            case POLY_PAD_SEL_CH_1: { select_ch_sel(1);  } break;
+                            case POLY_PAD_SEL_CH_2: { select_ch_sel(2);  } break;
+                            case POLY_PAD_SEL_CH_3: { select_ch_sel(3);  } break;
+                            case POLY_PAD_SEL_CH_4: { select_ch_sel(4);  } break;
+                            case POLY_PAD_SEL_CH_5: { select_ch_sel(5);  } break;
+                            case POLY_PAD_SEL_CH_6: { select_ch_sel(6);  } break;
+                            case POLY_PAD_SEL_CH_7: { select_ch_sel(7);  } break;
+                            case POLY_PAD_SEL_CH_8: { select_ch_sel(8);  } break;
+                            case POLY_PAD_SEL_CH_9: { select_ch_sel(9);  } break;
+                            case POLY_PAD_SEL_CH_A: { select_ch_sel(10); } break;
+                            case POLY_PAD_SEL_CH_B: { select_ch_sel(11); } break;
+                            case POLY_PAD_SEL_CH_C: { select_ch_sel(12); } break;
+                            case POLY_PAD_SEL_CH_D: { select_ch_sel(13); } break;
+                            case POLY_PAD_SEL_CH_E: { select_ch_sel(14); } break;
+                            case POLY_PAD_SEL_CH_F: { select_ch_sel(15); } break;
                             // Handle active toggle.
                             case POLY_PAD_ACTIVE: { poly_active_toggle(); } break;
                             default: break;
@@ -295,6 +333,11 @@ app_midi_event(u8 port, u8 status, u8 d1, u8 d2) {
         return;
     }
     u8 channel = status & 0x0F;
+    // If the channel isn't set to listen, just passthrough the message.
+    if (!ch_listen[channel]) {
+        hal_send_midi(port, status, d1, d2);
+        return;
+    }
     if ((status & 0xF0) == NOTEON) {
         if (n_voices == (ch_max - ch_min + 1)) {
             return;
@@ -430,10 +473,10 @@ draw_min_channel(void) {
             continue;
         }
         if (ch_max < 8 && i > ch_max) {
-            hal_plot_led(TYPEPAD, POLY_PAD_MIN_CH_0 + i, 0, 0, 5);
+            hal_plot_led(TYPEPAD, POLY_PAD_MIN_CH_0 + i, 5, 0, 0);
             continue;
         }
-        hal_plot_led(TYPEPAD, POLY_PAD_MIN_CH_0 + i, 0, 0, MAXLED / 2);
+        hal_plot_led(TYPEPAD, POLY_PAD_MIN_CH_0 + i, MAXLED / 2, 0, 0);
     }
     for (u8 i = 0; i < 8; i++) {
         if ((i + 8) == ch_min) {
@@ -441,37 +484,25 @@ draw_min_channel(void) {
             continue;
         }
         if (ch_max < 16 && (i + 8) > ch_max) {
-            hal_plot_led(TYPEPAD, POLY_PAD_MIN_CH_8 + i, 0, 0, 5);
+            hal_plot_led(TYPEPAD, POLY_PAD_MIN_CH_8 + i, 5, 0, 0);
             continue;
         }
-        hal_plot_led(TYPEPAD, POLY_PAD_MIN_CH_8 + i, 0, 0, MAXLED / 2);
+        hal_plot_led(TYPEPAD, POLY_PAD_MIN_CH_8 + i, MAXLED / 2, 0, 0);
     }
 }
 
 void
 draw_max_channel(void) {
-    // for (u8 i = 0; i < 8; i++) {
-    //     u8 color = 5;
-    //     if (i == ch_max) {
-    //         color = MAXLED;
-    //     }
-    //     hal_plot_led(TYPEPAD, 11 + 10 * 5 + i, color, 10, 10);
-    //     color = 5;
-    //     if (i + 8 == ch_max) {
-    //         color = MAXLED;
-    //     }
-    //     hal_plot_led(TYPEPAD, 11 + 10 * 4 + i, color, 10, 10);
-    // }
     for (u8 i = 0; i < 8; i++) {
         if (i == ch_max) {
             hal_plot_led(TYPEPAD, POLY_PAD_MAX_CH_0 + i, MAXLED, MAXLED, MAXLED);
             continue;
         }
         if (i < ch_min) {
-            hal_plot_led(TYPEPAD, POLY_PAD_MAX_CH_0 + i, 5, 0, 0);
+            hal_plot_led(TYPEPAD, POLY_PAD_MAX_CH_0 + i, 5, 5, 0);
             continue;
         }
-        hal_plot_led(TYPEPAD, POLY_PAD_MAX_CH_0 + i, MAXLED / 2, 0, 0);
+        hal_plot_led(TYPEPAD, POLY_PAD_MAX_CH_0 + i, MAXLED / 2, MAXLED / 2, 0);
     }
     for (u8 i = 0; i < 8; i++) {
         if ((i + 8) == ch_max) {
@@ -479,10 +510,28 @@ draw_max_channel(void) {
             continue;
         }
         if (ch_min >= 8 && (i + 8) < ch_min) {
-            hal_plot_led(TYPEPAD, POLY_PAD_MAX_CH_8 + i, 5, 0, 0);
+            hal_plot_led(TYPEPAD, POLY_PAD_MAX_CH_8 + i, 5, 5, 0);
             continue;
         }
-        hal_plot_led(TYPEPAD, POLY_PAD_MAX_CH_8 + i, MAXLED / 2, 0, 0);
+        hal_plot_led(TYPEPAD, POLY_PAD_MAX_CH_8 + i, MAXLED / 2, MAXLED / 2, 0);
+    }
+}
+
+void
+draw_sel_channel(void) {
+    for (u8 i = 0; i < 8; i++) {
+        if (ch_listen[i]) {
+            hal_plot_led(TYPEPAD, POLY_PAD_SEL_CH_0 + i, 20, 0, 40);
+        } else {
+            hal_plot_led(TYPEPAD, POLY_PAD_SEL_CH_0 + i, 2, 0, 5);
+        }
+    }
+    for (u8 i = 0; i < 8; i++) {
+        if (ch_listen[i + 8]) {
+            hal_plot_led(TYPEPAD, POLY_PAD_SEL_CH_8 + i, 20, 0, 40);
+        } else {
+            hal_plot_led(TYPEPAD, POLY_PAD_SEL_CH_8 + i, 2, 0, 5);
+        }
     }
 }
 
@@ -491,7 +540,7 @@ draw_poly_setup(void) {
     // TODO: ...
     draw_min_channel();
     draw_max_channel();
-    // draw_listen_channel();
+    draw_sel_channel();
     draw_poly_active_button();
 }