diff options
| author | Bernhard Tittelbach <xro@realraum.at> | 2013-10-06 20:20:12 +0000 |
|---|---|---|
| committer | Bernhard Tittelbach <xro@realraum.at> | 2013-10-06 20:20:12 +0000 |
| commit | 884e51c408ee954b44001b40913fe62aa198357c (patch) | |
| tree | f99269595155e378c45e7d0bae3d8f9cd41139bd /usb-ajar/usb-ajar.c | |
| parent | fixed anyio for small avrs (diff) | |
usb-ajar (with anyio)
git-svn-id: https://svn.spreadspace.org/avr/trunk@234 aa12f405-d877-488e-9caf-2d797e2a1cc7
Diffstat (limited to 'usb-ajar/usb-ajar.c')
| -rw-r--r-- | usb-ajar/usb-ajar.c | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/usb-ajar/usb-ajar.c b/usb-ajar/usb-ajar.c new file mode 100644 index 0000000..18698eb --- /dev/null +++ b/usb-ajar/usb-ajar.c @@ -0,0 +1,112 @@ +/*
+ * spreadspace avr utils
+ *
+ *
+ * Copyright (C) 2013 Christian Pointner <equinox@spreadspace.org>
+ *
+ * This file is part of spreadspace avr utils.
+ *
+ * spreadspace avr utils 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 3 of the License, or
+ * any later version.
+ *
+ * spreadspace avr utils 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 spreadspace avr utils. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include <avr/io.h>
+#include <avr/wdt.h>
+#include <util/delay.h>
+#include <avr/interrupt.h>
+#include <avr/power.h>
+#include <stdio.h>
+
+#include "util.h"
+#include "led.h"
+#include "anyio.h"
+
+
+#define PIN_HIGH(PORT, PIN) PORT |= (1 << PIN)
+#define PIN_LOW(PORT, PIN) PORT &= ~(1 << PIN)
+#define PINMODE_OUTPUT PIN_HIGH //just use DDR instead of PORT
+#define PINMODE_INPUT PIN_LOW //just use DDR instead of PORT
+
+#define OP_SETBIT |=
+#define OP_CLEARBIT &= ~
+#define OP_CHECK &
+#define PIN_SW(PORTDDRREG, PIN, OP) PORTDDRREG OP (1 << PIN)
+
+#define HIGHv OP_SETBIT
+#define LOWv OP_CLEARBIT
+
+void handle_cmd(uint8_t cmd)
+{
+ switch(cmd) {
+ case 'r': reset2bootloader(); break;
+ default: printf("error\r\n"); return;
+ }
+ printf("ok\r\n");
+}
+
+int main(void)
+{
+ /* Disable watchdog if enabled by bootloader/fuses */
+ MCUSR &= ~(1 << WDRF);
+ wdt_disable();
+
+ cpu_init();
+ led_init();
+ anyio_init(115200, 0);
+ sei();
+
+ PIN_HIGH(PORTB, PINB1);
+ PINMODE_INPUT(DDRB, PINB1);
+ char door_ajar = 0;
+ char last_door_ajar = 0;
+
+ led_off();
+ led2_on();
+
+ for(;;) {
+ int16_t BytesReceived = anyio_bytes_received();
+ while(BytesReceived > 0) {
+ int ReceivedByte = fgetc(stdin);
+ if(ReceivedByte != EOF) {
+ handle_cmd(ReceivedByte);
+ }
+ BytesReceived--;
+ }
+
+ door_ajar = PINB & _BV(PINB1);
+ if (door_ajar != last_door_ajar) {
+ last_door_ajar = door_ajar;
+ if (door_ajar) {
+ printf("BackdoorInfo(ajar): ajar\r\n");
+ led_off();
+ led2_on();
+ } else {
+ printf("BackdoorInfo(ajar): shut\r\n");
+ led_off();
+ led2_off();
+ }
+ }
+
+ anyio_task();
+ if (door_ajar) {
+ _delay_ms(100);
+ led_toggle();
+ led2_toggle();
+ } else
+ {
+ _delay_ms(1200);
+ led2_toggle();
+ }
+ }
+}
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