From 08983247025697848579b35ef693d0b44904f728 Mon Sep 17 00:00:00 2001
From: Bad Diode <bd@badd10de.dev>
Date: Wed, 8 Feb 2023 14:28:51 +0100
Subject: Add numeric representation of adc points

---
 src/app.c | 80 ++++++++++++++++++++++++++++-----------------------------------
 1 file changed, 36 insertions(+), 44 deletions(-)

(limited to 'src/app.c')

diff --git a/src/app.c b/src/app.c
index 667ce32..013025c 100644
--- a/src/app.c
+++ b/src/app.c
@@ -182,7 +182,7 @@ void
 print_number(u8 n, u16 r, u16 g, u16 b, u8 x, u8 y) {
     u16 number = font_numbers[n];
     for (u8 row = 0; row < 5; row++) {
-        u8 pos = 11 + 10 * (7 - x + y * 8) - row * 10;
+        u8 pos = 11 + 10 * (7 - y) - row * 10 + x;
         u16 cur = number >> (13 - 3 * row);
         for (u8 i = 0; i < 3; i++) {
             if ((cur >> (2 - i)) & 0x1) {
@@ -192,51 +192,43 @@ print_number(u8 n, u16 r, u16 g, u16 b, u8 x, u8 y) {
     }
 }
 
+u16 frame = 0;
+u16 value = 0;
+
+void
+update(void) {
+    for (int i = 0; i < PAD_COUNT; ++i) {
+        // Get the first detected button value.
+		u16 x = (99 * g_ADC[i]) >> 12;
+        if (x > 3) {
+            value = x;
+            return;
+        }
+    }
+    value = 0;
+}
+
+void
+clear_pads(void) {
+    for (int i = 0; i < PAD_COUNT; ++i) {
+        hal_plot_led(TYPEPAD, ADC_MAP[i], 0, 0, 0);
+    }
+}
+
+void
+render(void) {
+    if (frame++ == 1000 / 10) {
+        clear_pads();
+        print_number((value / 10) % 10, MAXLED, MAXLED, MAXLED, 0, 0);
+        print_number(       value % 10, MAXLED, MAXLED, MAXLED, 4, 0);
+        frame = 0;
+    }
+}
+
 void
 app_timer_event() {
-    // example - send MIDI clock at 125bpm
-// #define TICK_MS 20
-
-//     static u8 ms = TICK_MS;
-
-//     if (++ms >= TICK_MS)
-//     {
-//         ms = 0;
-
-//         // send a clock pulse up the USB
-//         hal_send_midi(USBSTANDALONE, MIDITIMINGCLOCK, 0, 0);
-//     }
-
-    // alternative example - show raw ADC data as LEDs
-    // for (int i = 0; i < PAD_COUNT; ++i) {
-    //     // raw adc values are 12 bit, but LEDs are 6 bit.
-    //     // Let's saturate into r;g;b for a rainbow effect to show pressure
-    //     u16 r = 0;
-    //     u16 g = 0;
-    //     u16 b = 0;
-
-    //     u16 x = (3 * MAXLED * g_ADC[i]) >> 12;
-
-    //     if (x < MAXLED) {
-    //         r = x;
-    //     } else if (x >= MAXLED && x < (2*MAXLED)) {
-    //         r = 2 * MAXLED - x;
-    //         g = x - MAXLED;
-    //     }
-    //     else {
-    //         g = 3 * MAXLED - x;
-    //         b = x - 2*MAXLED;
-    //     }
-
-    //     print_number(i, r, g, b, 0, 0);
-    //     break;
-    //     // if (buttons[ADC_MAP[i]] == MAXLED) {
-    //         // hal_plot_led(TYPEPAD, ADC_MAP[i], r, g, b);
-    //     // } else {
-    //     //     hal_plot_led(TYPEPAD, ADC_MAP[i], 0, 0, MAXLED);
-    //     // }
-    // }
-    print_number(9, MAXLED, MAXLED, MAXLED, 0, 0);
+    update();
+    render();
 }
 
 void
-- 
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