From d7d20e2511f454fb9610cd49d35dd46ceef85536 Mon Sep 17 00:00:00 2001
From: Balz Guenat <balz.guenat@gmail.com>
Date: Tue, 20 Jun 2017 02:19:15 +0200
Subject: start working on usb-usb converter port

---
 keyboards/converter/usb_usb/main.c | 102 +++++++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 keyboards/converter/usb_usb/main.c

(limited to 'keyboards/converter/usb_usb/main.c')

diff --git a/keyboards/converter/usb_usb/main.c b/keyboards/converter/usb_usb/main.c
new file mode 100644
index 000000000..76e88922c
--- /dev/null
+++ b/keyboards/converter/usb_usb/main.c
@@ -0,0 +1,102 @@
+#include <avr/io.h>
+#include <avr/wdt.h>
+#include <avr/power.h>
+#include <util/delay.h>
+
+// LUFA
+#include "lufa.h"
+
+#include "sendchar.h"
+#include "debug.h"
+#include "keyboard.h"
+#include "led.h"
+
+
+/* LED ping configuration */
+#define TMK_LED
+//#define LEONARDO_LED
+#if defined(TMK_LED)
+// For TMK converter and Teensy
+#define LED_TX_INIT    (DDRD  |=  (1<<6))
+#define LED_TX_ON      (PORTD |=  (1<<6))
+#define LED_TX_OFF     (PORTD &= ~(1<<6))
+#define LED_TX_TOGGLE  (PORTD ^=  (1<<6))
+#elif defined(LEONARDO_LED)
+// For Leonardo(TX LED)
+#define LED_TX_INIT    (DDRD  |=  (1<<5))
+#define LED_TX_ON      (PORTD &= ~(1<<5))
+#define LED_TX_OFF     (PORTD |=  (1<<5))
+#define LED_TX_TOGGLE  (PORTD ^=  (1<<5))
+#else
+#define LED_TX_INIT
+#define LED_TX_ON
+#define LED_TX_OFF
+#define LED_TX_TOGGLE
+#endif
+
+
+static void LUFA_setup(void)
+{
+    /* Disable watchdog if enabled by bootloader/fuses */
+    MCUSR &= ~(1 << WDRF);
+    wdt_disable();
+
+    /* Disable clock division */
+#if (F_CPU == 8000000)
+    clock_prescale_set(clock_div_2);    // 16MHz crystal divided by 2
+#else
+    clock_prescale_set(clock_div_1);
+#endif
+
+    // Leonardo needs. Without this USB device is not recognized.
+    USB_Disable();
+
+    USB_Init();
+
+    // for Console_Task
+    USB_Device_EnableSOFEvents();
+    print_set_sendchar(sendchar);
+}
+
+
+
+int main(void)
+{
+    // LED for debug
+    LED_TX_INIT;
+    LED_TX_ON;
+
+    debug_enable = true;
+    debug_keyboard = true;
+
+    host_set_driver(&lufa_driver);
+    keyboard_init();
+
+    LUFA_setup();
+
+    /* NOTE: Don't insert time consuming job here.
+     * It'll cause unclear initialization failure when DFU reset(worm start).
+     */
+    sei();
+
+/* Some keyboards bootup quickly and cannot be initialized with this startup wait.
+    // wait for startup of sendchar routine
+    while (USB_DeviceState != DEVICE_STATE_Configured) ;
+    if (debug_enable) {
+        _delay_ms(1000);
+    }
+*/
+
+    debug("init: done\n");
+
+    for (;;) {
+        keyboard_task();
+
+#if !defined(INTERRUPT_CONTROL_ENDPOINT)
+        // LUFA Task for control request
+        USB_USBTask();
+#endif
+    }
+
+    return 0;
+}
-- 
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