1 files changed, 99 insertions, 0 deletions

diff --git a/firmware/target/arm/at91sam/lyre_proto1/button-lyre_proto1.c b/firmware/target/arm/at91sam/lyre_proto1/button-lyre_proto1.c
new file mode 100644
index 0000000000..2d38803115
--- /dev/null
+++ b/firmware/target/arm/at91sam/lyre_proto1/button-lyre_proto1.c
@@ -0,0 +1,99 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ *
+ *
+ * Copyright (C) 2009 by Jorge Pinto
+ *
+ * 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
+ * of the License, or (at your option) any later version.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include "at91sam9260.h"
+#include "button.h"
+
+#define BUTTON_01 AT91C_PIO_PB4
+#define BUTTON_02 AT91C_PIO_PB5
+#define BUTTON_03 AT91C_PIO_PB27
+#define BUTTON_04 AT91C_PIO_PB26
+#define BUTTON_05 AT91C_PIO_PB25
+#define BUTTON_06 AT91C_PIO_PB24
+#define BUTTON_07 AT91C_PIO_PB22
+#define BUTTON_08 AT91C_PIO_PB23
+
+void button_init_device(void)
+{
+    /* Enable the periph clock for the PIO controller */
+    /* This is mandatory when PIO are configured as input */
+    AT91C_PMC_PCER = (1 << AT91C_ID_PIOB);
+
+    /* Set the PIO line in input */
+    AT91C_PIOB_ODR = (BUTTON_01 |
+                      BUTTON_02 |
+                      BUTTON_03 |
+                      BUTTON_04 |
+                      BUTTON_05 |
+                      BUTTON_06 |
+                      BUTTON_07 |
+                      BUTTON_08);
+
+    /* Set the PIO controller in PIO mode instead of peripheral mode */
+    AT91C_PIOB_PER = (BUTTON_01 |
+                      BUTTON_02 |
+                      BUTTON_03 |
+                      BUTTON_04 |
+                      BUTTON_05 |
+                      BUTTON_06 |
+                      BUTTON_07 |
+                      BUTTON_08);
+}
+
+bool button_hold(void)
+{
+    return (0);
+}
+
+/*
+ * Get button pressed from hardware
+ */
+int button_read_device(void)
+{
+    uint32_t buttons = AT91C_PIOB_PDSR;
+    uint32_t ret = 0;
+
+    if ((buttons & BUTTON_01) == 0)
+        ret |= BUTTON_UP;
+
+    if ((buttons & BUTTON_02) == 0)
+        ret |= BUTTON_RIGHT;
+
+    if ((buttons & BUTTON_03) == 0)
+        ret |= BUTTON_PLAY;
+
+    if ((buttons & BUTTON_04) == 0)
+        ret |= BUTTON_SELECT;
+
+    if ((buttons & BUTTON_05) == 0)
+        ret |= BUTTON_LEFT;
+
+    if ((buttons & BUTTON_06) == 0)
+        ret |= BUTTON_DOWN;
+
+    if ((buttons & BUTTON_07) == 0)
+        ret |= BUTTON_STOP;
+
+    if ((buttons & BUTTON_08) == 0)
+        ret |= BUTTON_MENU;
+
+    return ret;
+}