Add the Sansa M200 (v1) as a target - it's extremely similar to the Logik DAX (the LCD driver worked unchanged). Plus various tcc77x work, including a working tick interrupt (enabled in the bootloader). Rockbox itself builds for the M200 (there are no keymaps yet for the DAX), but doesn't progress very far due to the lack of an ATA (NAND flash) driver.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17306 a1c6a512-1295-4272-9138-f99709370657

1 files changed, 97 insertions, 0 deletions

diff --git a/firmware/target/arm/tcc77x/m200/button-m200.c b/firmware/target/arm/tcc77x/m200/button-m200.c
new file mode 100644
index 0000000000..fec745ae99
--- /dev/null
+++ b/firmware/target/arm/tcc77x/m200/button-m200.c
@@ -0,0 +1,97 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+ *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+ *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+ *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+ *                     \/            \/     \/    \/            \/
+ * $Id$
+ *
+ * Copyright (C) 2007 by Dave Chapman
+ *
+ * All files in this archive are subject to the GNU General Public License.
+ * See the file COPYING in the source tree root for full license agreement.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ****************************************************************************/
+
+#include "config.h"
+#include "cpu.h"
+#include "button.h"
+#include "adc.h"
+
+/* 
+
+Results of button testing (viewing ADC values whilst pressing buttons):
+
+HOLD:  GPIOB & 0x0200 (0=hold active, 0x0200 = hold inactive)
+
+ADC[1]: (approx values)
+
+Idle        - 0x3ff
+MENU        - unknown
+
+REPEAT/AB   - 0x03?
+LEFT        - 0x07?-0x08?
+SELECT      - 0x0c?
+RIGHT       - 0x11?
+
+PLAY/PAUSE  - 0x17?-0x018?
+VOL UP      - 0x1e?-0x01f?
+VOL DOWN    - 0x26?
+
+*/
+
+void button_init_device(void)
+{
+    /* Nothing to do */
+}
+
+int button_read_device(void)
+{
+    int btn = BUTTON_NONE;
+    int adc;
+ 
+    /* TODO - determine how to detect BUTTON_MENU - it doesn't appear to 
+              be connected to a GPIO or to an ADC 
+     */
+
+    adc = adc_read(ADC_BUTTONS);
+
+    if (adc < 0x384) {
+        if (adc < 0x140) {
+            if (adc < 0x96) {
+                if (adc < 0x50) {
+                    btn |= BUTTON_REPEATAB;   /* 0x00..0x4f */
+                } else {
+                    btn |= BUTTON_LEFT;       /* 0x50..0x95 */
+                }
+            } else {
+                if (adc < 0xe0) {
+                    btn |= BUTTON_SELECT;     /* 0x96..0xdf */
+                } else {
+                    btn |= BUTTON_RIGHT;      /* 0xe0..0x13f */
+                }
+            }
+        } else {
+            if (adc < 0x208) {
+                if (adc < 0x1b0) {
+                    btn |= BUTTON_PLAYPAUSE;  /* 0x140..0x1af */
+                } else {
+                    btn |= BUTTON_VOLUP;      /* 0x1b0..0x207 */
+                }
+            } else {
+                btn |= BUTTON_VOLDOWN;        /* 0x209..0x383 */
+            }
+        }
+    }
+
+    return btn;
+}
+
+bool button_hold(void)
+{
+    return (GPIOB & 0x200)?false:true;
+}