--- /dev/null
+/*
+ * Copyright Droids Corporation (2009)
+ * Olivier Matz <zer0@droids-corp.org>
+ *
+ * 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 program 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 this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Revision : $Id: main.c,v 1.8 2009-05-02 10:08:09 zer0 Exp $
+ *
+ */
+
+/* LEDs */
+
+#define LED_TOGGLE(port, bit) do { \
+ if (port & _BV(bit)) \
+ port &= ~_BV(bit); \
+ else \
+ port |= _BV(bit); \
+ } while(0)
+
+#define LED_PORT PORTA
+#define LED_DDR DDRA
+#define LED1_BIT 0
+#define LED2_BIT 1
+#define LED3_BIT 2
+#define LED4_BIT 3
+#define LED5_BIT 4
+#define LED6_BIT 5
+#define LED_DDR_INIT() do { \
+ LED_DDR |= (_BV(LED1_BIT) | _BV(LED2_BIT) | _BV(LED3_BIT) | \
+ _BV(LED4_BIT) | _BV(LED5_BIT) | _BV(LED6_BIT)); \
+ } while(0)
+#define LED1_ON() sbi(LED_PORT, LED1_BIT)
+#define LED1_OFF() cbi(LED_PORT, LED1_BIT)
+#define LED1_TOGGLE() LED_TOGGLE(LED_PORT, LED1_BIT)
+#define LED2_ON() sbi(LED_PORT, LED2_BIT)
+#define LED2_OFF() cbi(LED_PORT, LED2_BIT)
+#define LED2_TOGGLE() LED_TOGGLE(LED_PORT, LED2_BIT)
+#define LED3_ON() sbi(LED_PORT, LED3_BIT)
+#define LED3_OFF() cbi(LED_PORT, LED3_BIT)
+#define LED3_TOGGLE() LED_TOGGLE(LED_PORT, LED3_BIT)
+#define LED4_ON() sbi(LED_PORT, LED4_BIT)
+#define LED4_OFF() cbi(LED_PORT, LED4_BIT)
+#define LED4_TOGGLE() LED_TOGGLE(LED_PORT, LED4_BIT)
+#define LED5_ON() sbi(LED_PORT, LED5_BIT)
+#define LED5_OFF() cbi(LED_PORT, LED5_BIT)
+#define LED5_TOGGLE() LED_TOGGLE(LED_PORT, LED5_BIT)
+#define LED6_ON() sbi(LED_PORT, LED6_BIT)
+#define LED6_OFF() cbi(LED_PORT, LED6_BIT)
+#define LED6_TOGGLE() LED_TOGGLE(LED_PORT, LED6_BIT)
+
+/* TSOP */
+
+#define EICRx_TSOP EICRB /* EICRA is not ok, cannot do intr on any edge */
+
+#define INTx_TSOP_OPP INT5
+#define ISCx0_TSOP_OPP ISC50
+#define ISCx1_TSOP_OPP ISC(1
+#define SIG_TSOP_OPP SIG_INTERRUPT5
+#define TSOP_OPP_READ() (!(PINE & 0x20))
+
+#define INTx_TSOP_STA INT6
+#define ISCx0_TSOP_STA ISC60
+#define ISCx1_TSOP_STA ISC61
+#define SIG_TSOP_STA SIG_INTERRUPT6
+#define TSOP_STA_READ() (!(PINE & 0x40))
+
+#define TSOP_FREQ_455_MHZ 0.455
+#define N_PERIODS_455 10.
+#define TSOP_FREQ_38_MHZ 0.038
+#define N_PERIODS_38 15.
+#define TSOP_FREQ_30_MHZ 0.030
+#define N_PERIODS_30 15.
+#define TSOP_FREQ_56_MHZ 0.056
+#define N_PERIODS_56 15.
+
+/* TSOP STATIC */
+
+#define TSOP_STA_PERIOD_US (1./TSOP_FREQ_38_MHZ)
+#define TSOP_STA_N_PERIODS (N_PERIODS_38)
+
+#define TSOP_STA_TIME_SHORT_US (1.5 * TSOP_STA_N_PERIODS * TSOP_STA_PERIOD_US)
+#define TSOP_STA_TIME_LONG_US (2.5 * TSOP_STA_N_PERIODS * TSOP_STA_PERIOD_US)
+
+#define TSOP_STA_TIME_SHORT ((uint16_t)(TSOP_STA_TIME_SHORT_US*2))
+#define TSOP_STA_TIME_LONG ((uint16_t)(TSOP_STA_TIME_LONG_US*2))
+
+#define TSOP_STA_FRAME_LEN 16
+#define TSOP_STA_FRAME_MASK ((1UL << TSOP_STA_FRAME_LEN) - 1)
+
+#define TSOP_STA_BEACON_ID_MASK 0x7
+#define TSOP_STA_BEACON_ID_SHIFT 0
+#define TSOP_STA_FRAME_DATA_MASK 0xFF8
+#define TSOP_STA_FRAME_DATA_SHIFT 3
+
+#define TSOP_STA_BEACON_ID0 0x03
+#define TSOP_STA_BEACON_ID1 0x05
+
+/* TSOP OPP */
+
+#define TSOP_OPP_PERIOD_US (1./TSOP_FREQ_455_MHZ)
+#define TSOP_OPP_N_PERIODS (N_PERIODS_455)
+
+#define TSOP_OPP_TIME_SHORT_US (1.5 * TSOP_OPP_N_PERIODS * TSOP_OPP_PERIOD_US)
+#define TSOP_OPP_TIME_LONG_US (2.5 * TSOP_OPP_N_PERIODS * TSOP_OPP_PERIOD_US)
+
+#define TSOP_OPP_TIME_SHORT ((uint16_t)(TSOP_OPP_TIME_SHORT_US*2))
+#define TSOP_OPP_TIME_LONG ((uint16_t)(TSOP_OPP_TIME_LONG_US*2))
+
+#define TSOP_OPP_FRAME_LEN 16
+#define TSOP_OPP_FRAME_MASK ((1UL << TSOP_OPP_FRAME_LEN) - 1)
+
+#define TSOP_OPP_BEACON_ID_MASK 0x7
+#define TSOP_OPP_BEACON_ID_SHIFT 0
+#define TSOP_OPP_FRAME_DATA_MASK 0xFF8
+#define TSOP_OPP_FRAME_DATA_SHIFT 3
+
+#define TSOP_OPP_BEACON_ID 0x01