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-rw-r--r--usb-ajar/Makefile46
-rw-r--r--usb-ajar/usb-ajar.c177
2 files changed, 223 insertions, 0 deletions
diff --git a/usb-ajar/Makefile b/usb-ajar/Makefile
new file mode 100644
index 0000000..9642455
--- /dev/null
+++ b/usb-ajar/Makefile
@@ -0,0 +1,46 @@
+##
+## spreadspace avr utils
+##
+##
+## Copyright (C) 2013-2014 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/>.
+##
+
+NAME := usb-ajar
+BOARD_TYPE := minimus32
+OBJ := $(NAME).o
+LIBS := util led lufa-descriptor-usbserial anyio onewire ds1820
+EXTERNAL_LIBS := lufa
+RESET_FUNC := ../tools/reset_lufa_cdc
+RESET_PARAM := 'r'
+
+LUFA_PATH := ../contrib/LUFA-120219
+LUFA_OPTS = -D USB_DEVICE_ONLY
+LUFA_OPTS += -D DEVICE_STATE_AS_GPIOR=0
+LUFA_OPTS += -D ORDERED_EP_CONFIG
+LUFA_OPTS += -D FIXED_CONTROL_ENDPOINT_SIZE=8
+LUFA_OPTS += -D FIXED_NUM_CONFIGURATIONS=1
+LUFA_OPTS += -D USE_FLASH_DESCRIPTORS
+LUFA_OPTS += -D USE_STATIC_OPTIONS="(USB_DEVICE_OPT_FULLSPEED | USB_OPT_REG_ENABLED | USB_OPT_AUTO_PLL)"
+LUFA_OPTS += -D INTERRUPT_CONTROL_ENDPOINT
+
+LUFA_OPTS += -D USB_MANUFACTURER="L\"xro\"" -D USB_MANUFACTURER_LEN=3
+LUFA_OPTS += -D USB_PRODUCT="L\"spreadspace usb-ajar example\"" -D USB_PRODUCT_LEN=28
+
+LUFA_COMPONENTS := USB USBCLASS SERIAL
+
+include ../include.mk
diff --git a/usb-ajar/usb-ajar.c b/usb-ajar/usb-ajar.c
new file mode 100644
index 0000000..1db377e
--- /dev/null
+++ b/usb-ajar/usb-ajar.c
@@ -0,0 +1,177 @@
+/*
+ * spreadspace avr utils
+ *
+ *
+ * Copyright (C) 2013-2014 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"
+
+#include "onewire.h"
+#include "ds1820.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
+
+uint8_t num_temp_sensors_ = 0;
+
+void tempToUSB(uint8_t bit_resolution)
+{
+ uint8_t sensor_index = 0;
+ uint16_t raw_temp = 0;
+
+ if (num_temp_sensors_ == 0)
+ {
+ printf("No DS1820 sensors ?? running bus discovery... \r\n");
+ num_temp_sensors_ = ds1820_discover();
+ }
+
+ for (sensor_index=0; sensor_index < num_temp_sensors_; sensor_index++)
+ {
+ ds1820_set_resolution(sensor_index, bit_resolution);
+ ds1820_start_measuring(sensor_index);
+ }
+
+ ds1820_wait_conversion_time(bit_resolution);
+
+ for (sensor_index=0; sensor_index < num_temp_sensors_; sensor_index++)
+ {
+ raw_temp = ds1820_read_temperature(sensor_index);
+ if (raw_temp == DS1820_ERROR)
+ {
+ printf("CRC comm error\r\n");
+ } else {
+ printf("temp%d: %d.%d\r\n", sensor_index +1, raw_temp / 16, 10 * (raw_temp % 16) / 16);
+ }
+ }
+}
+
+void handle_cmd(uint8_t cmd)
+{
+ switch(cmd) {
+ case 'r': reset2bootloader(); break;
+ case '1': num_temp_sensors_ = ds1820_discover(); 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);
+ PIN_HIGH(PORTB, PINB0);
+ PINMODE_INPUT(DDRB, PINB0);
+ PIN_LOW(PORTD, PIND7);
+ PINMODE_OUTPUT(DDRD, PIND7);
+
+ owi_init(PINC4, &PINC);
+
+ char door_ajar = 0;
+ char last_door_ajar = 0;
+ char gas_leak = 0;
+ char last_gas_leak = 0;
+
+ num_temp_sensors_ = ds1820_discover();
+ uint16_t ms_elapsed = 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();
+ }
+ }
+ gas_leak = ! (PINB & _BV(PINB0));
+ if (gas_leak != last_gas_leak)
+ {
+ if (gas_leak)
+ printf("GasLeakAlert\r\n");
+ last_gas_leak = gas_leak;
+ }
+
+ anyio_task();
+ if (door_ajar) {
+ _delay_ms(100);
+ ms_elapsed += 100;
+ led_toggle();
+ led2_toggle();
+ } else
+ {
+ _delay_ms(1200);
+ ms_elapsed += 1200;
+ led2_toggle();
+ }
+
+ if (ms_elapsed & (1<<14))
+ {
+ if (gas_leak)
+ printf("GasLeakAlert\r\n");
+ ms_elapsed = 0;
+ tempToUSB(12);
+ }
+ }
+}
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