From dc3ce3a77713dfccb2a15071b409182922dd9e08 Mon Sep 17 00:00:00 2001
From: fruchti <fruchti@gvfr.de>
Date: Sun, 22 Dec 2019 19:42:18 +0100
Subject: [PATCH] Increase number of LEDs to 12

Caution: Disables SWD, makes flashing under reset necessary.
---
 build-number.txt |  2 +-
 src/led.c        | 21 ++++++++++++++++-----
 src/led.h        |  2 +-
 src/pinning.h    |  3 +++
 4 files changed, 21 insertions(+), 7 deletions(-)

diff --git a/build-number.txt b/build-number.txt
index dde92dd..871727d 100644
--- a/build-number.txt
+++ b/build-number.txt
@@ -1 +1 @@
-82
+84
diff --git a/src/led.c b/src/led.c
index 47ac31c..430f1c6 100644
--- a/src/led.c
+++ b/src/led.c
@@ -5,19 +5,22 @@
                                 | (1 << PIN_LED_B_0) | (1 << PIN_LED_R_1) \
                                 | (1 << PIN_LED_G_1) | (1 << PIN_LED_B_1) \
                                 | (1 << PIN_LED_R_2) | (1 << PIN_LED_G_2) \
-                                | (1 << PIN_LED_B_2))
+                                | (1 << PIN_LED_B_2) | (1 << PIN_LED_R_3) \
+                                | (1 << PIN_LED_G_3) | (1 << PIN_LED_B_3))
 
 #define LED_MODER_MASK          ((3 << PIN_LED_R_0 * 2) | (3 << PIN_LED_G_0 * 2) \
                                 | (3 << PIN_LED_B_0 * 2) | (3 << PIN_LED_R_1 * 2) \
                                 | (3 << PIN_LED_G_1 * 2) | (3 << PIN_LED_B_1 * 2) \
                                 | (3 << PIN_LED_R_2 * 2) | (3 << PIN_LED_G_2 * 2) \
-                                | (3 << PIN_LED_B_2 * 2))
+                                | (3 << PIN_LED_B_2 * 2) | (3 << PIN_LED_R_3 * 2) \
+                                | (3 << PIN_LED_G_3 * 2) | (3 << PIN_LED_B_3 * 2))
 
 #define LED_MODER               ((1 << PIN_LED_R_0 * 2) | (1 << PIN_LED_G_0 * 2) \
                                 | (1 << PIN_LED_B_0 * 2) | (1 << PIN_LED_R_1 * 2) \
                                 | (1 << PIN_LED_G_1 * 2) | (1 << PIN_LED_B_1 * 2) \
                                 | (1 << PIN_LED_R_2 * 2) | (1 << PIN_LED_G_2 * 2) \
-                                | (1 << PIN_LED_B_2 * 2))
+                                | (1 << PIN_LED_B_2 * 2) | (1 << PIN_LED_R_3 * 2) \
+                                | (1 << PIN_LED_G_3 * 2) | (1 << PIN_LED_B_3 * 2))
 
 uint8_t LED_Data[LED_COUNT] = {0, 63, 200, 255};
 
@@ -29,6 +32,14 @@ static const uint16_t LED_BitLengths[LED_BITS - 4] =
     16, 32, 64, 128, 256, 512, 1024, 2048
 };
 
+static const int LED_Pins[LED_COUNT] =
+{
+    PIN_LED_R_0, PIN_LED_G_0, PIN_LED_B_0,
+    PIN_LED_R_1, PIN_LED_G_1, PIN_LED_B_1,
+    PIN_LED_R_2, PIN_LED_G_2, PIN_LED_B_2,
+    PIN_LED_R_3, PIN_LED_G_3, PIN_LED_B_3
+};
+
 static uint16_t LED_DMABuffer[LED_BITS + 1];
 
 static void LED_RefreshDMABuffer(void)
@@ -42,11 +53,11 @@ static void LED_RefreshDMABuffer(void)
         {
             if(gamma_corrected & (1 << j))
             {
-                LED_DMABuffer[j] &= ~(1 << i);
+                LED_DMABuffer[j] &= ~(1 << LED_Pins[i]);
             }
             else
             {
-                LED_DMABuffer[j] |= 1 << i;
+                LED_DMABuffer[j] |= 1 << LED_Pins[i];
             }
         }
     }
diff --git a/src/led.h b/src/led.h
index 051edf4..a0366ad 100644
--- a/src/led.h
+++ b/src/led.h
@@ -4,7 +4,7 @@
 #include "pinning.h"
 
 #define LED_BITS                12
-#define LED_COUNT               9
+#define LED_COUNT               12
 
 void LED_Init(void);
 
diff --git a/src/pinning.h b/src/pinning.h
index dc94431..41ee1a9 100644
--- a/src/pinning.h
+++ b/src/pinning.h
@@ -10,3 +10,6 @@
 #define PIN_LED_R_2             6
 #define PIN_LED_G_2             7
 #define PIN_LED_B_2             9
+#define PIN_LED_R_3             10
+#define PIN_LED_G_3             13
+#define PIN_LED_B_3             14