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wiringOP/examples/oled_demo.c

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+/*
+ * Copyright (c) 2015, Vladimir Komendantskiy
+ * MIT License
+ *
+ * SSD1306 demo of block and font drawing.
+ */
+
+//
+// fixed for OrangePiZero by HypHop
+//
+
+#include <errno.h>
+#include <string.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <stdint.h>
+
+#include "oled.h"
+#include "font.h"
+
+int oled_demo(struct display_info *disp) {
+	int i;
+	char buf[100];
+
+	//putstrto(disp, 0, 0, "Spnd spd  2468 rpm");
+	//	oled_putstrto(disp, 0, 9+1, "Spnd cur  0.46 A");
+	oled_putstrto(disp, 0, 9+1, "Welcome       to");
+	disp->font = font1;
+	//	oled_putstrto(disp, 0, 18+2, "Spnd tmp    53 C");
+	oled_putstrto(disp, 0, 18+2, "----OrangePi----");
+	disp->font = font2;
+	//	oled_putstrto(disp, 0, 27+3, "DrvX tmp    64 C");
+	oled_putstrto(disp, 0, 27+3, "This is 0.96OLED");
+	oled_putstrto(disp, 0, 36+4, "");
+	oled_putstrto(disp, 0, 45+5, "");
+	disp->font = font1;
+	//	oled_putstrto(disp, 0, 54, "Total cur  2.36 A");
+	oled_putstrto(disp, 0, 54, "*****************");
+	oled_send_buffer(disp);
+
+	disp->font = font3;
+	for (i=0; i<100; i++) {
+		sprintf(buf, "Spnd spd  %d rpm", i);
+		oled_putstrto(disp, 0, 0, buf);
+		oled_putstrto(disp, 135-i, 36+4, "===");
+		oled_putstrto(disp, 100, 0+i/2, ".");
+		oled_send_buffer(disp);
+	}
+	//oled_putpixel(disp, 60, 45);
+	//oled_putstr(disp, 1, "hello");
+
+return 0;
+}
+
+void show_error(int err, int add) {
+	//const gchar* errmsg;
+	//errmsg = g_strerror(errno);
+	printf("\nERROR: %i, %i\n\n", err, add);
+	//printf("\nERROR\n");
+}
+
+void show_usage(char *progname) {
+	printf("\nUsage:\n%s <I2C bus device node >\n", progname);
+}
+
+int main(int argc, char **argv) {
+	int e;
+	char filename[32];
+	struct display_info disp;
+
+	if (argc < 2) {
+		show_usage(argv[0]);
+		
+		return -1;
+	}
+
+	memset(&disp, 0, sizeof(disp));
+	sprintf(filename, "%s", argv[1]);
+	disp.address = OLED_I2C_ADDR;
+	disp.font = font2;
+
+	e = oled_open(&disp, filename);
+
+	if (e < 0) {
+		show_error(1, e);
+	} else {
+		e = oled_init(&disp);
+	if (e < 0) {
+		show_error(2, e);
+	} else {
+		printf("---------start--------\n");
+		if (oled_demo(&disp) < 0)
+			show_error(3, 777);
+			printf("----------end---------\n");
+		}
+	}
+
+	return 0;
+}