Add and wire up platform definition

src/led.c

@@ -4,39 +4,14 @@
 #include "CH58x_sys.h"
 #include "CH58xBLE_LIB.h"
 #include "led.h"
+#include "platform.h"
 
 uint32_t pa_mask;
 uint32_t pb_mask;
 #define A(v) v
 #define B(v) (v | 0x80)
 uint8_t pins[23] = {
-    A(15),
-    B(18),
-    B(0),
-    B(7),
-    A(12),
-    A(10),
-    A(11),
-    B(9),
-    B(8),
-    B(15),
-    B(14),
-    B(13),
-    B(12),
-    B(5),
-    A(4),
-    B(3),
-    B(4),
-    B(2),
-    B(1),
-#ifdef IS_MICROUSB
-    B(23),
-#else
-    B(6),
-#endif
-    B(21),
-    B(20),
-    B(19),
+    LED_PINS
 };
 
 // Set up the pa_mask and pb_mask values.
@@ -98,12 +73,14 @@ void display_make_buf(uint16_t *fb, struct row_buf *b, int i) {
     uint16_t col1 = fb[i * 2];
     uint16_t col2 = fb[i * 2 + 1];
 
+    #if NEEDS_SWAP
     // On the first column, the lower two pins are swapped. Fix this in software.
     if (i == 0) {
         uint16_t bit = col1 & 1;
         col1 = (col1 & 0xFFFE) | (col2 & 1);
         col2 = (col2 & 0xFFFE) | bit;
     }
+    #endif
 
     // The LEDs are written in a zig-zag pattern.
     uint32_t merged = 0;

src/platform.h

@@ -0,0 +1,9 @@
+#if defined(PLATFORM_BADGEMAGIC)
+#include "platforms/badgemagic.h"
+#elif defined(PLATFORM_LS32_USBC)
+#include "platforms/ls32-usbc.h"
+#elif defined(PLATFORM_LS32_MICROUSB)
+#include "platforms/ls32-microusb.h"
+#else
+#error "unknown platform define"
+#endif

src/platforms/badgemagic.h

@@ -0,0 +1,28 @@
+#define BUTTON_COUNT 4
+#define NEEDS_SWAP 0
+#define HAS_MIC 1
+
+#define LED_PINS \
+    A(15), \
+    B(18), \
+    B(0), \
+    B(7), \
+    A(12), \
+    A(10), \
+    A(11), \
+    B(9), \
+    B(8), \
+    B(17), \
+    B(16), \
+    B(13), \
+    B(12), \
+    B(5), \
+    A(4), \
+    B(3), \
+    B(4), \
+    B(2), \
+    B(1), \
+    B(6), \
+    B(21), \
+    B(20), \
+    B(19),

src/platforms/ls32-microusb.h

@@ -0,0 +1,29 @@
+#define BUTTON_COUNT 2
+#define NEEDS_SWAP 1
+#define HAS_MIC 0
+
+#define LED_PINS \
+    A(15), \
+    B(18), \
+    B(0), \
+    B(7), \
+    A(12), \
+    A(10), \
+    A(11), \
+    B(9), \
+    B(8), \
+    B(15), \
+    B(14), \
+    B(13), \
+    B(12), \
+    B(5), \
+    A(4), \
+    B(3), \
+    B(4), \
+    B(2), \
+    B(1), \
+    B(23), \
+    B(21), \
+    B(20), \
+    B(19),
+

src/platforms/ls32-usbc.h

@@ -0,0 +1,29 @@
+#define BUTTON_COUNT 2
+#define NEEDS_SWAP 1
+#define HAS_MIC 0
+
+#define LED_PINS \
+    A(15), \
+    B(18), \
+    B(0), \
+    B(7), \
+    A(12), \
+    A(10), \
+    A(11), \
+    B(9), \
+    B(8), \
+    B(15), \
+    B(14), \
+    B(13), \
+    B(12), \
+    B(5), \
+    A(4), \
+    B(3), \
+    B(4), \
+    B(2), \
+    B(1), \
+    B(6), \
+    B(21), \
+    B(20), \
+    B(19),
+