Revision 2:b3e4e68375dd, committed 2017-08-05

Comitter:

baohuliu

Date:

Sat Aug 05 08:36:46 2017 +0000

Parent:

1:c50404f93121

Commit message:

OLED

Changed in this revision

diff -r c50404f93121 -r b3e4e68375dd main.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sat Aug 05 08:36:46 2017 +0000
@@ -0,0 +1,232 @@
+/*
+ Demonstrate 0.96 in. OLED module (128x64/SPI). Revised for use with ST Nucleo L152RE
+ 
+ Note:  On 16 pin OLED module from Taobao, MOSI connects to module D1
+        and CLK (also called SCK) connects to module D0. Module RW and RD lines
+        are connected to GND.
+*/
+
+#include "mbed.h"
+
+#include "ssd1306.h"
+#include "standard_font.h"
+#include "bold_font.h"
+
+DigitalOut myled(LED3);
+
+
+Serial pc(SERIAL_TX, SERIAL_RX);
+
+Timer timer1;
+Ticker tick;
+
+unsigned char data[256];
+unsigned char RX_Cout=0;
+
+int last_Rec_Time=0,cur_Time=0;
+
+
+void echouart()
+{
+    if(RX_Cout < 255){
+        data[RX_Cout++] = pc.getc();
+    }
+    last_Rec_Time = timer1.read_ms();
+}
+
+//tick中断执行函数：
+void tipInt(void)
+{
+    myled =! myled;
+}
+    
+/* definitions for ST Nucleo L152RE  */
+#define CSEL  PB_6  // CS  D10
+#define RST   PC_7  //     D9
+#define DCMD  PA_9  // DC  D8
+#define CLK   PA_5  // CLK D13
+#define DATA  PA_7  // MOSI D11
+
+// SSD1306 oled(p8 /* cs */, p9 /* reset */, p14 /* dc */, p13 /* clock */, p11 /* data */); // LPC1768
+// SSD1306 oled(PTA13 /* cs */, PTD5 /* reset */, PTD0 /* dc */, PTD1 /* clock */, PTD2 /* data */); // KL25Z
+// SSD1306 oled(D10 /* cs */, D9 /* reset */, D8 /* dc */, D13 /* clock */, D11 /* data */); // KL05Z or Arduino styles
+SSD1306 oled(CSEL, RST, DCMD, CLK, DATA);   // STM32 Nucleo
+
+#define NUMFLAKES 10
+#define XPOS 0
+#define YPOS 1
+#define DELTAY 2
+
+#define LOGO16_GLCD_HEIGHT 16 
+#define LOGO16_GLCD_WIDTH  16 
+
+static const unsigned char  logo16_glcd_bmp[] =
+{ 0x00, 0xc0, // B00000000, B11000000,
+  0x01, 0xc0, // B00000001, B11000000,
+  0x01, 0xc0, // B00000001, B11000000,
+  0x03, 0xe0, // B00000011, B11100000,
+  0xf3, 0xe0, // B11110011, B11100000,
+  0xfe, 0xf8, // B11111110, B11111000,
+  0x7e, 0xff, // B01111110, B11111111,
+  0x33, 0x9f, // B00110011, B10011111,
+  0x1f, 0xfc, // B00011111, B11111100,
+  0x0d, 0x70, // B00001101, B01110000,
+  0x1b, 0xa0, // B00011011, B10100000,
+  0x3f, 0xe0, // B00111111, B11100000,
+  0x3f, 0xf0, // B00111111, B11110000,
+  0x7c, 0xf0, // B01111100, B11110000,
+  0x70, 0x70, // B01110000, B01110000,
+  0x00, 0x30 }; // B00000000, B00110000 };
+
+void testdrawbitmap(const unsigned char *bitmap, int w, int h) {
+  uint8_t icons[NUMFLAKES][3];
+  srand((unsigned int)time(NULL)); // srandom(123);     // whatever seed
+  int i;
+ 
+  // initialize
+  for (uint8_t f=0; f< NUMFLAKES; f++) {
+    icons[f][XPOS] = rand() % SSD1306_LCDWIDTH; // display.width();
+    icons[f][YPOS] = 0;
+    icons[f][DELTAY] = rand() % 5 + 1;
+#if 0
+    Serial.print("x: ");
+    Serial.print(icons[f][XPOS], DEC);
+    Serial.print(" y: ");
+    Serial.print(icons[f][YPOS], DEC);
+    Serial.print(" dy: ");
+    Serial.println(icons[f][DELTAY], DEC);
+#endif
+  }
+
+  i = 0;
+  while (1) {
+    // draw each icon
+    for (uint8_t f=0; f< NUMFLAKES; f++) {
+      oled.drawBitmap(icons[f][XPOS], icons[f][YPOS], logo16_glcd_bmp, w, h, 1); // WHITE);
+    }
+    oled.update();
+    wait(0.2); // delay(200);
+    
+    // then erase it + move it
+    for (uint8_t f=0; f< NUMFLAKES; f++) {
+      oled.drawBitmap(icons[f][XPOS], icons[f][YPOS],  logo16_glcd_bmp, w, h, 0); // BLACK);
+      // move it
+      icons[f][YPOS] += icons[f][DELTAY];
+      // if its gone, reinit
+      if (icons[f][YPOS] > SSD1306_LCDHEIGHT) { // display.height()) {
+        icons[f][XPOS] = rand() % SSD1306_LCDWIDTH; // display.width();
+        icons[f][YPOS] = 0;
+        icons[f][DELTAY] = rand() % 5 + 1;
+      }
+    }
+    if (i++ > 100) break;
+   }
+
+}
+
+void testdrawline() {  
+  for (int16_t i=0; i<SSD1306_LCDWIDTH; i+=4) {
+    oled.line(0, 0, i, SSD1306_LCDHEIGHT-1);
+    oled.update();
+  }
+  for (int16_t i=0; i<SSD1306_LCDHEIGHT; i+=4) {
+    oled.line(0, 0, SSD1306_LCDWIDTH-1, i);
+    oled.update();
+  }
+  wait(0.25); // delay(250);
+  
+  oled.clear();
+  for (int16_t i=0; i<SSD1306_LCDWIDTH; i+=4) {
+    oled.line(0, SSD1306_LCDHEIGHT-1, i, 0);
+    oled.update();
+  }
+  for (int16_t i=SSD1306_LCDHEIGHT-1; i>=0; i-=4) {
+    oled.line(0, SSD1306_LCDHEIGHT-1, SSD1306_LCDWIDTH-1, i);
+    oled.update();
+  }
+  wait(0.25); // delay(250);
+  
+  oled.clear();
+  for (int16_t i=SSD1306_LCDWIDTH-1; i>=0; i-=4) {
+    oled.line(SSD1306_LCDWIDTH-1, SSD1306_LCDHEIGHT-1, i, 0);
+    oled.update();
+  }
+  for (int16_t i=SSD1306_LCDHEIGHT-1; i>=0; i-=4) {
+    oled.line(SSD1306_LCDWIDTH-1, SSD1306_LCDHEIGHT-1, 0, i);
+    oled.update();
+  }
+  wait(0.25); // delay(250);
+
+  oled.clear();
+  for (int16_t i=0; i<SSD1306_LCDHEIGHT; i+=4) {
+    oled.line(SSD1306_LCDWIDTH-1, 0, 0, i);
+    oled.update();
+  }
+  for (int16_t i=0; i<SSD1306_LCDWIDTH; i+=4) {
+    oled.line(SSD1306_LCDWIDTH-1, 0, i, SSD1306_LCDHEIGHT-1); 
+    oled.update();
+  }
+  wait(0.25);
+}
+
+int main()
+{
+    oled.initialise();
+    oled.clear();
+    oled.set_contrast(255); // max contrast
+    
+    tick.attach(&tipInt,0.200f);        //0.5秒的定时中断闪灯
+    timer1.start();
+
+    pc.baud(230400);
+    pc.attach(&echouart,SerialBase::RxIrq);
+    pc.printf("\r\nHello World !\n");
+    
+    while(1)
+    {
+        cur_Time = timer1.read_ms();
+        if(RX_Cout>0){
+            if (abs(cur_Time - last_Rec_Time)>=5){
+                pc.printf("%s",data);
+                RX_Cout=0;
+            }
+        }
+        
+        oled.drawBitmap(30, 16,  logo16_glcd_bmp, 16, 16);
+        oled.update();
+        wait(0.3);
+        
+        testdrawline();
+        
+        oled.clear();
+        testdrawbitmap(logo16_glcd_bmp, LOGO16_GLCD_HEIGHT, LOGO16_GLCD_WIDTH);
+    
+        oled.set_font(bold_font, 8);
+        oled.printf("Heading\r\n");
+    
+        oled.set_font(standard_font, 6);
+        oled.printf("Hello World!\r\n");
+        oled.printf("Some more text here...\r\n\r\n\r\n\r\n");
+        // oled.set_font(bold_font, 8);
+        oled.line(127, 0, 0, 63);
+    
+        oled.update();
+        wait(0.5);
+    
+        int i = 10;
+        while (i > 0)
+        {
+            wait(1);
+            oled.printf("%d\r\n", i--);
+            oled.update();
+            oled.scroll_up();
+        }
+        oled.clear();
+
+//        wait(0.5); // 200 ms
+        
+    } // end outside loop for OLED demo
+}
+
+
+// EOF
\ No newline at end of file