clang-format

.clang-format

@@ -0,0 +1,11 @@
+---
+BasedOnStyle: WebKit
+IndentWidth: 4
+TabWidth: 4
+UseTab: Always
+---
+Language: Cpp
+BreakBeforeBraces: Attach
+
+# this doesn't come out until clang-format 15 :(
+#InsertBraces: true

shell.nix

@@ -2,6 +2,6 @@
 pkgs.mkShell {
   buildInputs = with pkgs; [
     cmake cmakeCurses ninja python3 gcc-arm-embedded
-    picotool
+    picotool clang-tools
   ];
 }

src/main.c

@@ -1,12 +1,12 @@
-#include <stdio.h>
 #include "btstack.h"
 #include "hci_dump.h"
 #include "hci_dump_segger_rtt_stdout.h"
-#include "pico/cyw43_arch.h"
 #include "pico/btstack_cyw43.h"
+#include "pico/cyw43_arch.h"
 #include "pico/stdlib.h"
 #include "stdio_rtt.h"
 #include "vibe_bt.h"
+#include <stdio.h>
 
 #ifndef CYW43_WL_GPIO_LED_PIN
 #error no WiFi LED on board, wrong -DPICO_BOARD?

src/stdio_rtt.c

@@ -1,6 +1,6 @@
-#include "pico/stdio/driver.h"
 #include "stdio_rtt.h"
 #include "SEGGER_RTT.h"
+#include "pico/stdio/driver.h"
 
 void stdio_rtt_init(void) {
 	stdio_set_driver_enabled(&stdio_rtt, true);

src/vibe_bt.c

@@ -1,14 +1,22 @@
-#include <stdio.h>
 #include "vibe_bt.h"
 #include "vibe.h"
+#include <stdio.h>
 
 #define APP_AD_FLAGS 0x06
+
+/* clang-format off */
 static const uint8_t adv_data[] = {
 	// Flags general discoverable
-    0x02, BLUETOOTH_DATA_TYPE_FLAGS, APP_AD_FLAGS,
+	0x02,
+	BLUETOOTH_DATA_TYPE_FLAGS,
+	APP_AD_FLAGS,
+
 	// Name
-    0x0E, BLUETOOTH_DATA_TYPE_COMPLETE_LOCAL_NAME, 's', 'a', 'k', 'u', 'r', 'a', 'n', 'e', 'k', 'o', '-', '0', '3',
+	0x0E,
+	BLUETOOTH_DATA_TYPE_COMPLETE_LOCAL_NAME,
+	's', 'a', 'k', 'u', 'r', 'a', 'n', 'e', 'k', 'o', '-', '0', '3',
 };
+
 static const uint8_t adv_data_len = sizeof(adv_data);
 
 bool bt_connected = false;
@@ -22,12 +30,14 @@ void bt_packet_handler(
 	UNUSED(size);
 	UNUSED(channel);
 	bd_addr_t local_addr;
-    if (packet_type != HCI_EVENT_PACKET) return;
+	if (packet_type != HCI_EVENT_PACKET)
+		return;
 
 	uint8_t event_type = hci_event_packet_get_type(packet);
 	switch (event_type) {
 	case BTSTACK_EVENT_STATE:
-        if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING) return;
+		if (btstack_event_state_get_state(packet) != HCI_STATE_WORKING)
+			return;
 		gap_local_bd_addr(local_addr);
 		printf("BTstack up and running on %s.\n", bd_addr_to_str(local_addr));
 
@@ -83,13 +93,17 @@ int bt_att_write_callback(
 		printf("%02x ", buffer[i]);
 	putchar('\n');
 
-	if (att_handle != ATT_CHARACTERISTIC_0000ffe1_0000_1000_8000_00805f9b34fb_01_VALUE_HANDLE) return 0;
+	if (att_handle != ATT_CHARACTERISTIC_0000ffe1_0000_1000_8000_00805f9b34fb_01_VALUE_HANDLE)
+		return 0;
 
 	// Buttplug.io always sends
 	// 0xa1, 0x08, 0x01, 0x00, 0x00, 0x00, 0x64, PERCENTAGE, 0x00, 0x64, 0xdf, 0x55,
-	if (buffer_size != 12) return 0;
-	if (memcmp(buffer, "\xA1\x08\x01\x00\x00\x00\x64", 7) != 0) return 0;
-	if (memcmp(buffer + 8, "\x00\x64\xDF\x55", 4) != 0) return 0;
+	if (buffer_size != 12)
+		return 0;
+	if (memcmp(buffer, "\xA1\x08\x01\x00\x00\x00\x64", 7) != 0)
+		return 0;
+	if (memcmp(buffer + 8, "\x00\x64\xDF\x55", 4) != 0)
+		return 0;
 
 	// In case it somehow came unset
 	bt_connected = true;