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Add FlipDisplay, Fahrenheit, Better Font

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This commit is contained in:
Ben V. Brown
2016-10-03 19:01:57 +11:00
parent acb97f1d46
commit 0bbdda5b55
9 changed files with 310 additions and 215 deletions
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145
workspace/ts100/src/Oled.c
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@@ -13,38 +13,70 @@
#include "I2C.h"
#include "Font.h"
u8 displayOffset = 32;
/*Setup params for the OLED screen*/
u8 OLED_Setup_Array[46] = { 0x80, 0xAE, 0x80, 0xD5, 0x80, 0x52, 0x80, 0xA8,
0x80, 0x0f, 0x80, 0xC0, 0x80, 0xD3, 0x80, 0x00, 0x80, 0x40, 0x80, 0xA0,
0x80, 0x8D, 0x80, 0x14, 0x80, 0xDA, 0x80, 0x02, 0x80, 0x81, 0x80, 0x33,
0x80, 0xD9, 0x80, 0xF1, 0x80, 0xDB, 0x80, 0x30, 0x80, 0xA4, 0x80, 0XA6,
0x80, 0xAF };
/*http://www.displayfuture.com/Display/datasheet/controller/SSD1307.pdf*/
/*All commands are prefixed with 0x80*/
u8 OLED_Setup_Array[46] = { 0x80, 0xAE,/*Display off*/
0x80, 0xD5,/*Set display clock divide ratio / osc freq*/
0x80, 0b01010001,/**/
0x80, 0xA8,/*Set Multiplex Ratio*/
0x80, 16, /*16 == max brightness,39==dimmest*/
0x80, 0xC0,/*Set COM Scan direction*/
0x80, 0xD3,/*Set Display offset*/
0x80, 0x00,/*0 Offset*/
0x80, 0x40,/*Set Display start line to 0*/
0x80, 0xA0,/*Set Segment remap to normal*/
0x80, 0x8D,/*Unknown*/
0x80, 0x14,/**/
0x80, 0xDA,/*Set VCOM Pins hardware config*/
0x80, 0x02,/*Combination 2*/
0x80, 0x81,/*Contrast*/
0x80, 0x33,/*51*/
0x80, 0xD9,/*Set pre-charge period*/
0x80, 0xF1,/**/
0x80, 0xDB,/*Adjust VCOMH regulator ouput*/
0x80, 0x30,/**/
0x80, 0xA4,/*Enable the display GDDR*/
0x80, 0XA6,/*Normal display*/
0x80, 0xAF /*Dispaly on*/
};
/*******************************************************************************
/*
Function: Oled_DisplayOn
Description:Turn on the Oled display
*******************************************************************************/
*/
void Oled_DisplayOn(void) {
u8 data[6] = { 0x80, 0X8D, 0x80, 0X14, 0x80, 0XAF };
I2C_PageWrite(data, 6, DEVICEADDR_OLED);
}
/*******************************************************************************
/*
Function: Oled_DisplayOff
Description:Turn off the Oled display
*******************************************************************************/
*/
void Oled_DisplayOff(void) {
u8 data[6] = { 0x80, 0X8D, 0x80, 0X10, 0x80, 0XAE };
I2C_PageWrite(data, 6, DEVICEADDR_OLED);
}
/*
* This sets the OLED screen to invert the screen (flip it vertically)
* This is used if the unit is set to left hand mode
*/
void Oled_DisplayFlip() {
u8 data[2] = { 0x80, 0XC8 };
I2C_PageWrite(data, 2, DEVICEADDR_OLED);
data[1] = 0xA1;
I2C_PageWrite(data, 2, DEVICEADDR_OLED);
displayOffset=0;
/*******************************************************************************
Function: Data_Command
}
/*
Description: write a command to the Oled display
Input: number of bytes to write, array to write
Output:
*******************************************************************************/
*/
u8* Data_Command(u8 length, u8* data) {
int i;
u8 tx_data[128];
@@ -62,8 +94,9 @@ u8* Data_Command(u8 length, u8* data) {
Input:x,y co-ordinates
*******************************************************************************/
void Set_ShowPos(u8 x, u8 y) {
u8 pos_param[8] = { 0x80, 0xB0, 0x80, 0x21, 0x80, 0x20, 0x80, 0x7F };
pos_param[5] = x + 32;
u8 pos_param[8] = { 0x80, 0xB0, 0x80, 0x21, 0x80, 0x00, 0x80, 0x7F };
//page 0, start add = x(below) through to 0x7F (aka 127)
pos_param[5] = x + displayOffset;/*Display offset ==0 for Lefty, == 32 fo righty*/
pos_param[1] += y;
I2C_PageWrite(pos_param, 8, DEVICEADDR_OLED);
}
@@ -133,51 +166,67 @@ void Clear_Screen(void) {
Oled_DrawArea(0, i * 8, 128, 8, tx_data);
}
}
/*
* Draws a string onto the screen starting at the left
*/
void OLED_DrawString(char* string, uint8_t length) {
for (uint8_t i = 0; i < length; i++) {
OLED_DrawChar(string[i], i * 14);
OLED_DrawChar(string[i], i);
}
}
void OLED_DrawChar(char c, uint8_t x) {
if ((x) > (128 - 14))
return; //Rudimentary clipping to not draw off screen
u8* ptr;
ptr = (u8*) FONT;
if (c >= 'A' && c <= 'Z') {
ptr += (c - 'A' + 10) * (14 * 2); //alpha is ofset 10 chars into the array
} else if (c >= '0' && c <= '9')
ptr += (c - '0') * (14 * 2);
else if (c < 10)
ptr += (c) * (14 * 2);
else if (c == ' ') {
//blank on space bar
ptr += (36) * (14 * 2);
} else if (c == '<') {
ptr += (37) * (14 * 2);
} else if (c == '>') {
ptr += (38) * (14 * 2);
}
Oled_DrawArea(x, 0, 14, 16, (u8*) ptr);
}
/*
* Draw a 2 digit number to the display
* */
void OLED_DrawTwoNumber(uint8_t in, uint8_t x) {
OLED_DrawChar((in / 10) % 10, x);
OLED_DrawChar(in % 10, x + 14);
* Draw a char onscreen at letter index x
*/
void OLED_DrawChar(char c, uint8_t x) {
if (x > 7)
return; //clipping
x *= FONT_WIDTH; //convert to a x coordinate
u8* ptr = (u8*) FONT;
if (c >= 'A' && c <= 'Z') {
ptr += (c - 'A' + 10) * (FONT_WIDTH * 2); //alpha is ofset 10 chars into the array
} else if (c >= '0' && c <= '9')
ptr += (c - '0') * (FONT_WIDTH * 2);
else if (c < 10)
ptr += (c) * (FONT_WIDTH * 2);
else if (c == ' ') {
//blank on space bar
ptr += (36) * (FONT_WIDTH * 2);
} else if (c == '<') {
ptr += (37) * (FONT_WIDTH * 2);
} else if (c == '>') {
ptr += (38) * (FONT_WIDTH * 2);
}else if (c=='.')
{
ptr += (39) * (FONT_WIDTH * 2);
}
Oled_DrawArea(x, 0, FONT_WIDTH, 16, (u8*) ptr);
}
/*
* Draw a 2 digit number to the display at letter slot x
*/
void OLED_DrawTwoNumber(uint8_t in, uint8_t x) {
OLED_DrawChar((in / 10) % 10, x);
OLED_DrawChar(in % 10, x + 1);
}
/*
* Draw a 3 digit number to the display at letter slot x
*/
void OLED_DrawThreeNumber(uint16_t in, uint8_t x) {
OLED_DrawChar((in / 100) % 10, x);
OLED_DrawChar((in / 10) % 10, x + 14);
OLED_DrawChar(in % 10, x + 28);
OLED_DrawChar((in / 10) % 10, x + 1);
OLED_DrawChar(in % 10, x + 2);
}
/*
* Draw a 4 digit number to the display at letter slot x
*/
void OLED_DrawFourNumber(uint16_t in, uint8_t x) {
OLED_DrawChar((in / 1000) % 10, x);
OLED_DrawChar((in / 100) % 10, x + 14);
OLED_DrawChar((in / 10) % 10, x + 28);
OLED_DrawChar(in % 10, x + 42);
OLED_DrawChar((in / 100) % 10, x + 1);
OLED_DrawChar((in / 10) % 10, x + 2);
OLED_DrawChar(in % 10, x + 3);
}