add avalon.h

avalon.h

@@ -0,0 +1,53 @@
+/*
+ * 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 3 of the License, or (at your option)
+ * any later version.  See COPYING for more details.
+ */
+
+#ifndef AVALON_H
+#define AVALON_H
+
+struct avalon_task {
+	uint8_t reset		:1;
+	uint8_t flush_fifo	:1;
+	uint8_t fan_eft		:1;
+	uint8_t timer_eft	:1;
+	uint8_t chip_num	:4;
+	uint8_t fan_pwm_data;
+	uint8_t timeout_data;
+	uint8_t miner_num;	// Word[0]
+
+	uint8_t nonce_elf	:1;
+	uint32_t miner_ctrl	:31;
+	uint32_t pad0;		//Word[2:1]
+
+	uint32_t midstate[8];
+	uint32_t data[3];
+
+	// nonce_range: Word[??:14]
+} __attribute__((packed));
+
+struct avalon_result {
+	uint32_t data[3];
+	uint32_t midstate[8];
+	uint32_t nonce;
+	uint32_t reserved;
+} __attribute__((packed));
+
+
+#define AVALON_IO_SPEED 115200
+#define AVALON_READ_SIZE 48
+#define AVALON_READ_FAULT_DECISECONDS 1
+#define TIME_FACTOR 10
+
+#define AVA_GETS_ERROR -1
+#define AVA_GETS_OK 0
+#define AVA_GETS_RESTART 1
+#define AVA_GETS_TIMEOUT 2
+
+#define avalon_open2(devpath, baud, purge)  serial_open(devpath, baud, AVALON_READ_FAULT_DECISECONDS, purge)
+#define avalon_open(devpath, baud)  avalon_open2(devpath, baud, false)
+#define avalon_close(fd) close(fd)
+
+#endif	/* AVALON_H */