restructuring

deprecated/F1/2.8TFT/user_proto.c

@@ -0,0 +1,93 @@
+/*
+ * user_proto.c
+ *
+ * Copyright 2014 Edward V. Emelianov <eddy@sao.ru, edward.emelianoff@gmail.com>
+ *
+ * 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.
+ */
+
+#include "cdcacm.h"
+#include "main.h"
+#include "hardware_ini.h"
+#include "dmagpio.h"
+
+/**
+ * parce command buffer buf with length len
+ * return 0 if buffer processed or len if there's not enough data in buffer
+ */
+void parse_incoming_buf(uint8_t *buf, int *len){
+	static int lastidx = 0;
+	int l = *len;
+	for(; lastidx < l; ++lastidx){
+		uint8_t cmd = buf[lastidx];
+		usb_send(cmd);
+		if(cmd == '\n'){
+			dmagpio_transfer(buf, *len);
+			*len = 0;
+			lastidx = 0;
+			return;
+		}
+	}
+}
+
+/**
+ * Send char array wrd thru USB
+ */
+void prnt(uint8_t *wrd){
+	if(!wrd) return;
+	while(*wrd) usb_send(*wrd++);
+}
+
+/**
+ * Print buff as hex values
+ * @param buf - buffer to print
+ * @param l   - buf length
+ * @param s   - function to send a byte
+ */
+void print_hex(uint8_t *buff, uint8_t l){
+	void putc(uint8_t c){
+		if(c < 10)
+			usb_send(c + '0');
+		else
+			usb_send(c + 'a' - 10);
+	}
+	usb_send('0'); usb_send('x'); // prefix 0x
+	while(l--){
+		putc(buff[l] >> 4);
+		putc(buff[l] & 0x0f);
+	}
+}
+
+/**
+ * Print decimal integer value
+ * @param N - value to print
+ * @param s - function to send a byte
+ */
+void print_int(int32_t N){
+	uint8_t buf[10], L = 0;
+	if(N < 0){
+		usb_send('-');
+		N = -N;
+	}
+	if(N){
+		while(N){
+			buf[L++] = N % 10 + '0';
+			N /= 10;
+		}
+		while(L--) usb_send(buf[L]);
+	}else usb_send('0');
+}
+