diff --git a/main/adb.c b/main/adb.c
index 463fff9..2f0ac1c 100644
--- a/main/adb.c
+++ b/main/adb.c
@@ -31,9 +31,6 @@
 #include "esp_system.h"
 #include "esp_spi_flash.h"
 #include "driver/rmt.h"
-#include "driver/periph_ctrl.h"
-#include "soc/periph_defs.h"
-#include "soc/rmt_reg.h"
 
 #include "adb.h"
 #include "led.h"
@@ -49,7 +46,6 @@ extern TaskHandle_t t_click, t_qx, t_qy;
 
 /* static defines */
 static void	adb_handle_button(bool action);
-static void adb_rmt_reset(void);
 static bool	adb_rx_isone(rmt_item32_t cell);
 static bool	adb_rx_isstop(rmt_item32_t cell);
 static bool	adb_rx_iszero(rmt_item32_t cell);
diff --git a/main/blue.c b/main/blue.c
index 50feaba..17b4f95 100644
--- a/main/blue.c
+++ b/main/blue.c
@@ -30,6 +30,7 @@
 #include "blue.h"
 #include "gpio.h"
 #include "led.h"
+#include "m4848.h"
 
 /* debug tag */
 static const char *TAG = "blue";
diff --git a/main/m4848.h b/main/m4848.h
new file mode 100644
index 0000000..4136c6e
--- /dev/null
+++ b/main/m4848.h
@@ -0,0 +1,83 @@
+/*
+ *  m4848.h
+ *  quack
+ *
+ *  Created by Michel DEPEIGE on 18/05/2021.
+ *  Copyright (c) 2021 Michel DEPEIGE.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program (see the file COPYING); if not, write to the
+ * Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
+ *
+ */
+
+#ifndef M4848_H
+#define M4848_H
+
+/*
+ * This is dumped from an Apple USB "Hockey Puck" Mouse
+ *
+ * We will use this HID Report Descriptor as it's the closer to an ADB Mouse
+ */
+
+const unsigned char m4848_HIDDD[] = {
+	0x05, 0x01,        // Usage Page (Generic Desktop Ctrls)
+	0x09, 0x02,        // Usage (Mouse)
+	0xA1, 0x01,        // Collection (Application)
+	0x05, 0x09,        //   Usage Page (Button)
+	0x19, 0x01,        //   Usage Minimum (0x01)
+	0x29, 0x01,        //   Usage Maximum (0x01)
+	0x15, 0x00,        //   Logical Minimum (0)
+	0x25, 0x01,        //   Logical Maximum (1)
+	0x95, 0x01,        //   Report Count (1)
+	0x75, 0x01,        //   Report Size (1)
+	0x81, 0x02,        //   Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
+	0x95, 0x01,        //   Report Count (1)
+	0x75, 0x07,        //   Report Size (7)
+	0x81, 0x03,        //   Input (Const,Var,Abs,No Wrap,Linear,Preferred State,No Null Position)
+	0x05, 0x01,        //   Usage Page (Generic Desktop Ctrls)
+	0x09, 0x01,        //   Usage (Pointer)
+	0xA1, 0x00,        //   Collection (Physical)
+	0x09, 0x30,        //     Usage (X)
+	0x09, 0x31,        //     Usage (Y)
+	0x15, 0x81,        //     Logical Minimum (-127)
+	0x25, 0x7F,        //     Logical Maximum (127)
+	0x75, 0x08,        //     Report Size (8)
+	0x95, 0x02,        //     Report Count (2)
+	0x81, 0x06,        //     Input (Data,Var,Rel,No Wrap,Linear,Preferred State,No Null Position)
+	0xC0,              //   End Collection
+	0xC0,              // End Collection
+
+	// 50 bytes
+};
+
+static esp_hid_raw_report_map_t m4848_report_maps[] = {
+	{
+		.data = m4848_HIDDD,
+		.len = sizeof(m4848_HIDDD)
+	}
+};
+
+static esp_hid_device_config_t m4848_config = {
+	.vendor_id          = 0x05ac,	// Apple, Inc.
+	.product_id         = 0x0301,	// USB Mouse [Mitsumi, M4848]
+	.version            = 0x0104,
+	.device_name        = "Quack Mouse Adapter",
+	.manufacturer_name  = "68kmla",
+	.serial_number      = "0",
+	.report_maps        = m4848_report_maps,
+	.report_maps_len    = 1
+};
+
+#endif
diff --git a/sdkconfig b/sdkconfig
index f4c8d6d..bd4b679 100644
--- a/sdkconfig
+++ b/sdkconfig
@@ -123,8 +123,8 @@ CONFIG_PARTITION_TABLE_MD5=y
 #
 # Compiler options
 #
-CONFIG_COMPILER_OPTIMIZATION_DEFAULT=y
-# CONFIG_COMPILER_OPTIMIZATION_SIZE is not set
+# CONFIG_COMPILER_OPTIMIZATION_DEFAULT is not set
+CONFIG_COMPILER_OPTIMIZATION_SIZE=y
 # CONFIG_COMPILER_OPTIMIZATION_PERF is not set
 # CONFIG_COMPILER_OPTIMIZATION_NONE is not set
 CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_ENABLE=y
@@ -137,7 +137,7 @@ CONFIG_COMPILER_STACK_CHECK_MODE_NORM=y
 # CONFIG_COMPILER_STACK_CHECK_MODE_STRONG is not set
 # CONFIG_COMPILER_STACK_CHECK_MODE_ALL is not set
 CONFIG_COMPILER_STACK_CHECK=y
-# CONFIG_COMPILER_WARN_WRITE_STRINGS is not set
+CONFIG_COMPILER_WARN_WRITE_STRINGS=y
 # CONFIG_COMPILER_DISABLE_GCC8_WARNINGS is not set
 # end of Compiler options
 
@@ -804,7 +804,6 @@ CONFIG_FREERTOS_TIMER_QUEUE_LENGTH=10
 CONFIG_FREERTOS_QUEUE_REGISTRY_SIZE=0
 # CONFIG_FREERTOS_USE_TRACE_FACILITY is not set
 # CONFIG_FREERTOS_GENERATE_RUN_TIME_STATS is not set
-CONFIG_FREERTOS_TASK_FUNCTION_WRAPPER=y
 CONFIG_FREERTOS_CHECK_MUTEX_GIVEN_BY_OWNER=y
 # CONFIG_FREERTOS_CHECK_PORT_CRITICAL_COMPLIANCE is not set
 CONFIG_FREERTOS_DEBUG_OCDAWARE=y
@@ -1291,8 +1290,8 @@ CONFIG_MONITOR_BAUD_115200B=y
 # CONFIG_MONITOR_BAUD_OTHER is not set
 CONFIG_MONITOR_BAUD_OTHER_VAL=115200
 CONFIG_MONITOR_BAUD=115200
-CONFIG_COMPILER_OPTIMIZATION_LEVEL_DEBUG=y
-# CONFIG_COMPILER_OPTIMIZATION_LEVEL_RELEASE is not set
+# CONFIG_COMPILER_OPTIMIZATION_LEVEL_DEBUG is not set
+CONFIG_COMPILER_OPTIMIZATION_LEVEL_RELEASE=y
 CONFIG_OPTIMIZATION_ASSERTIONS_ENABLED=y
 # CONFIG_OPTIMIZATION_ASSERTIONS_SILENT is not set
 # CONFIG_OPTIMIZATION_ASSERTIONS_DISABLED is not set
@@ -1302,7 +1301,7 @@ CONFIG_STACK_CHECK_NORM=y
 # CONFIG_STACK_CHECK_STRONG is not set
 # CONFIG_STACK_CHECK_ALL is not set
 CONFIG_STACK_CHECK=y
-# CONFIG_WARN_WRITE_STRINGS is not set
+CONFIG_WARN_WRITE_STRINGS=y
 # CONFIG_DISABLE_GCC8_WARNINGS is not set
 # CONFIG_ESP32_APPTRACE_DEST_TRAX is not set
 CONFIG_ESP32_APPTRACE_DEST_NONE=y