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stepper/main.h

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+/*
+ * blinky.h
+ *
+ * Copyright 2014 Edward V. Emelianoff <eddy@sao.ru>
+ *
+ * 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., 51 Franklin Street, Fifth Floor, Boston,
+ * MA 02110-1301, USA.
+ */
+#pragma once
+#ifndef __MAIN_H__
+#define __MAIN_H__
+
+extern unsigned long Global_time; // global time in ms
+
+#define UART_BUF_LEN 8			// max 7 bytes transmited in on operation
+#define MIN_STEP_LENGTH 125		// max speed == 1/(125us*16) = 500 steps per second
+
+extern U8 UART_rx[];
+extern U8 UART_rx_start_i;
+extern U8 UART_rx_cur_i;
+
+void UART_send_byte(U8 byte);
+void uart_write(char *str);
+void printUint(U8 *val, U8 len);
+void error_msg(char *msg);
+
+#define check_UART_pointer(x) if(x == UART_BUF_LEN) x = 0;
+
+#endif // __MAIN_H__