Diff: LCD5110.cpp

Revision:

0:bcd95cee2654

diff -r 000000000000 -r bcd95cee2654 LCD5110.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LCD5110.cpp	Sat Sep 30 09:12:29 2017 +0000
@@ -0,0 +1,185 @@
+#include "LCD5110.h"
+
+/*********** Variables ***********/
+static DigitalOut *_clk, *_din, *_ce, *_rst, *_dc, *_light;
+
+void LCD5110_init(PinName clk, PinName din, PinName ce, PinName rst, PinName dc, PinName light)
+{
+    LCD5110_GPIO_Config(clk, din, ce, rst, dc, light);
+
+    LCD5110_light_on(); // Light on
+    LCD5110_DC(1);      // LCD_DC = 1;
+    LCD5110_DIN(1);     // SPI_MO = 1;
+    LCD5110_CLK(1);     // SPI_SCK = 1;
+    LCD5110_CE(1);      // SPI_CS = 1;
+
+    LCD5110_RST(0); // LCD_RST = 0;
+    LCD5110_LCD_delay_ms(10);
+    LCD5110_RST(1); // LCD_RST = 1;
+
+    /* LCD Initialize sequence */
+    LCD5110_LCD_write_byte(0x21, 0);
+    LCD5110_LCD_write_byte(0xc6, 0);
+    LCD5110_LCD_write_byte(0x06, 0);
+    LCD5110_LCD_write_byte(0x13, 0);
+    LCD5110_LCD_write_byte(0x20, 0);
+    LCD5110_clear();
+    LCD5110_LCD_write_byte(0x0c, 0);
+}
+
+void LCD5110_LCD_write_byte(unsigned char dat, unsigned char mode)
+{
+    unsigned char i;
+
+    /* Simulate SPI Transfer */
+    LCD5110_CE(0); // SPI_CS = 0;
+
+    if (0 == mode)
+        LCD5110_DC(0); // LCD_DC = 0;
+    else
+        LCD5110_DC(1); // LCD_DC = 1;
+
+    for (i = 0; i < 8; i++) {
+        LCD5110_DIN((dat & 0x80) >> 7); // SPI_MO = dat & 0x80;
+        dat = dat << 1;
+        LCD5110_CLK(0); // SPI_SCK = 0;
+        LCD5110_CLK(1); // SPI_SCK = 1;
+    }
+
+    LCD5110_CE(1); // SPI_CS = 1;
+}
+
+void LCD5110_write_char(unsigned char c)
+{
+    unsigned char line;
+    unsigned char ch = 0;
+
+    c = c - 32;
+
+    for (line = 0; line < 6; line++) {
+        ch = font6_8[c][line];
+        LCD5110_LCD_write_byte(ch, 1);
+    }
+}
+
+void LCD5110_write_char_reg(unsigned char c)
+{
+    unsigned char line;
+    unsigned char ch = 0;
+
+    c = c - 32;
+
+    for (line = 0; line < 6; line++) {
+        ch = ~font6_8[c][line];
+        LCD5110_LCD_write_byte(ch, 1);
+    }
+}
+
+void LCD5110_write_string(char *s)
+{
+    unsigned char ch;
+    while (*s != '\0') {
+        ch = *s;
+        LCD5110_write_char(ch);
+        s++;
+    }
+}
+
+void LCD5110_clear(void)
+{
+    unsigned char i, j;
+    for (i = 0; i < 6; i++)
+        for (j = 0; j < 84; j++)
+            LCD5110_LCD_write_byte(0, 1);
+}
+
+void LCD5110_set_XY(unsigned char X, unsigned char Y)
+{
+    unsigned char x = 6 * X;
+
+    /* Set cursor location */
+    LCD5110_LCD_write_byte(0x40 | Y, 0);
+    LCD5110_LCD_write_byte(0x80 | x, 0);
+}
+
+void LCD5110_write_Dec(unsigned int b)
+{
+
+    unsigned char datas[4];
+
+    datas[0] = b / 1000;
+    b = b - datas[0] * 1000;
+    datas[1] = b / 100;
+    b = b - datas[1] * 100;
+    datas[2] = b / 10;
+    b = b - datas[2] * 10;
+    datas[3] = b;
+
+    datas[0] += 48;
+    datas[1] += 48;
+    datas[2] += 48;
+    datas[3] += 48;
+
+    LCD5110_write_char(datas[0]);
+    LCD5110_write_char(datas[1]);
+    LCD5110_write_char(datas[2]);
+    LCD5110_write_char(datas[3]);
+
+    //a++;
+}
+
+void LCD5110_light_on(void)
+{
+    LCD5110_LIGHT(0); // Light on
+}
+
+void LCD5110_light_off(void)
+{
+    LCD5110_LIGHT(1); // Light off
+}
+
+
+void LCD5110_LCD_delay_ms(unsigned int t)
+{
+    wait_ms(t);
+}
+
+void LCD5110_GPIO_Config(PinName clk, PinName din, PinName ce, PinName rst, PinName dc, PinName light)
+{
+    _clk = new DigitalOut(clk);
+    _din = new DigitalOut(din);
+    _ce = new DigitalOut(ce);
+    _rst = new DigitalOut(rst);
+    _dc = new DigitalOut(dc);
+    _light = new DigitalOut(light);
+}
+
+void LCD5110_CLK(unsigned char temp)
+{
+    *(_clk) = temp;
+}
+
+void LCD5110_DIN(unsigned char temp)
+{
+    *(_din) = temp;
+}
+
+void LCD5110_CE(unsigned char temp)
+{
+    *(_ce) = temp;
+}
+
+void LCD5110_RST(unsigned char temp)
+{
+    *(_rst) = temp;
+}
+
+void LCD5110_DC(unsigned char temp)
+{
+    *(_dc) = temp;
+}
+
+void LCD5110_LIGHT(unsigned char temp)
+{
+    *(_light) = temp;
+}