+/*
+ * Copyright © 2011, 2012, Titanium Mirror, Inc..
+ * All Rights Reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * - Neither the name of Titanium Mirror, Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
+ * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+ * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
/*
* File: buttons.c
*
#include "tmr.h"
#include "task.h"
-/* All the buttons are on PORTB. RB0 is the push button.
- * RB4 and RB5 are the rocker switch positions left and right, respectively.
+/* All the buttons are on PORTB. RB1 is the push button.
+ * RB4 and RB2 are the rocker switch positions left and right, respectively.
*/
-#define ALLMASK 0b00110001
+#define ALLMASK 0b00010110
/* Initialize the button module */
void btn_init()
GIE = 1; /* enable global interrupts */
}
+void btn_pben()
+{
+ ndi();
+ IOCBP1 = 1; IOCBN1 = 1; IOCBF1 = 0;
+ nei();
+}
+
+/* Disable the pushbutton from user code */
+void btn_pbdis()
+{
+ ndi();
+ IOCBP1 = 0; IOCBN1 = 0; IOCBF1 = 0;
+ nei();
+}
+
+/* Enable the rocker switch from user code */
+void btn_rsen()
+{
+ ndi();
+ IOCBP4 = 1; IOCBN4 = 1; IOCBF4 = 0;
+ IOCBP2 = 1; IOCBN2 = 1; IOCBF2 = 0;
+ nei();
+}
+
+/* Disable the rocker switch from user code */
+void btn_rsdis()
+{
+ ndi();
+ IOCBP4 = 0; IOCBN4 = 0; IOCBF4 = 0;
+ IOCBP2 = 0; IOCBN2 = 0; IOCBF2 = 0;
+ nei();
+}
+
void btn_isr()
{
if (IOCIF) {
- if (IOCBF0) {
+ if (IOCBF1) {
btn_pbdis();
- tmr_start(TMR_BTN_PB, 1);
+ tmr_start(TMR_BTN_PB, 2);
}
if (IOCBF4) {
btn_rsdis();
- tmr_start(TMR_BTN_RS, 1);
+ tmr_start(TMR_BTN_RS, 2);
}
- if (IOCBF5) {
+ if (IOCBF2) {
btn_rsdis();
- tmr_start(TMR_BTN_RS, 1);
+ tmr_start(TMR_BTN_RS, 2);
}
}
if (tmr_fired(TMR_BTN_RS))
task_post(TASK_BTN_RS);
}
-