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209 lines
6.6 KiB
C
209 lines
6.6 KiB
C
/********************* (C) COPYRIGHT 2015 e-Design Co.,Ltd. **********************
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File Name : Oled.c
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Version : S100 APP Ver 2.11
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Description:
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Author : Celery
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Data: 2015/07/07
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History:
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2015/07/07 ͳһ<CDB3><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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*******************************************************************************/
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#include <stdio.h>
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#include <string.h>
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#include "APP_Version.h"
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#include "Oled.h"
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#include "Bios.h"
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#include "I2C.h"
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#include "Font.h"
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u8 gOled_param[46] = { 0x80, 0xAE, 0x80, 0xD5, 0x80, 0x52, 0x80, 0xA8, 0x80,
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0x0f, 0x80, 0xC0, 0x80, 0xD3, 0x80, 0x00, 0x80, 0x40, 0x80, 0xA0, 0x80,
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0x8D, 0x80, 0x14, 0x80, 0xDA, 0x80, 0x02, 0x80, 0x81, 0x80, 0x33, 0x80,
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0xD9, 0x80, 0xF1, 0x80, 0xDB, 0x80, 0x30, 0x80, 0xA4, 0x80, 0XA6, 0x80,
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0xAF };
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/*******************************************************************************
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*******************************************************************************/
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void Sc_Pt(u8 Co) {
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u8 pt[4] = { 0x80, 0x81, 0x80, Co };
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I2C_PageWrite(pt, 4, DEVICEADDR_OLED);
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}
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/*******************************************************************************
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Function: Oled_DisplayOn
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Description:Turn on the Oled display
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*******************************************************************************/
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void Oled_DisplayOn(void) {
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u8 data[6] = { 0x80, 0X8D, 0x80, 0X14, 0x80, 0XAF };
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I2C_PageWrite(data, 6, DEVICEADDR_OLED);
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}
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/*******************************************************************************
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Function: Oled_DisplayOff
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Description:Turn off the Oled display
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*******************************************************************************/
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void Oled_DisplayOff(void) {
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u8 data[6] = { 0x80, 0X8D, 0x80, 0X10, 0x80, 0XAE };
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I2C_PageWrite(data, 6, DEVICEADDR_OLED);
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}
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/*******************************************************************************
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Function: Data_Command
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Description: write a command to the Oled display
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Input: number of bytes to write, array to write
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Output:
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*******************************************************************************/
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u8* Data_Command(u8 wide, u8* ptr) {
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int i;
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u8 tx_data[128];
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//here are are inserting the data write command at the beginning
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tx_data[0] = 0x40;
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wide += 1;
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for (i = 1; i < wide; i++) //Loop through the array of data
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tx_data[i] = *ptr++;
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I2C_PageWrite(tx_data, wide, DEVICEADDR_OLED); //write out the buffer
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return ptr;
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}
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/*******************************************************************************
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Function:Set_ShowPos
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Description:Set the current position in GRAM that we are drawing to
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Input:x,y co-ordinates
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*******************************************************************************/
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void Set_ShowPos(u8 x, u8 y) {
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u8 pos_param[8] = { 0x80, 0xB0, 0x80, 0x21, 0x80, 0x20, 0x80, 0x7F };
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pos_param[5] = x + 32;
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pos_param[1] += y;
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I2C_PageWrite(pos_param, 8, DEVICEADDR_OLED);
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}
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/*******************************************************************************
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Function:Oled_DrawArea
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Description:
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Inputs:(x,y) start point, (width,height) of enclosing rect, pointer to data
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Output: last byte written out
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*******************************************************************************/
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u8* Oled_DrawArea(u8 x0, u8 y0, u8 wide, u8 high, u8* ptr) {
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u8 m, n, y;
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n = y0 + high;
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if (y0 % 8 == 0)
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m = y0 / 8;
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else
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m = y0 / 8 + 1;
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if (n % 8 == 0)
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y = n / 8;
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else
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y = n / 8 + 1;
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for (; m < y; m++) {
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Set_ShowPos(x0, m);
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ptr = Data_Command(wide, ptr);
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}
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return ptr;
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}
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/*******************************************************************************
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Function:Clean_Char
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Description:Overwries a square to off, used to overwrite a char
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Inputs:(k) input X position char starts at, (wide) how many pixels wide the char is
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*******************************************************************************/
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void Clean_Char(int k, u8 wide) {
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int i;
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u8 tx_data[128];
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memset(&tx_data[0], 0, wide);
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for (i = 0; i < 2; i++) {
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Oled_DrawArea(k, i * 8, wide, 8, tx_data);
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}
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}
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/*******************************************************************************
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Function:GPIO_Init_OLED
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Description:Init the outputs as needed for the OLED (in this case the RST line)
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*******************************************************************************/
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void GPIO_Init_OLED(void) {
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GPIO_InitTypeDef GPIO_InitStructure;
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GPIO_InitStructure.GPIO_Pin = OLED_RST_PIN;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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GPIO_Init(GPIOB, &GPIO_InitStructure);
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}
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/*******************************************************************************
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Function: Init_Oled
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Description: Initalizes the Oled screen
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*******************************************************************************/
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void Init_Oled(void) {
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u8 param_len;
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OLED_RST();
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delayMs(2); //reset the oled
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OLED_ACT();
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delayMs(2);
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param_len = 46;
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I2C_PageWrite((u8 *) gOled_param, param_len, DEVICEADDR_OLED);
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}
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/*******************************************************************************
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Function:Clear_Screen
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Description:Clear the entire screen to off (black)
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*******************************************************************************/
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void Clear_Screen(void) {
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u8 tx_data[128];
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memset(&tx_data[0], 0, 128);
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for (u8 i = 0; i < 2; i++) {
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Oled_DrawArea(0, i * 8, 128, 8, tx_data);
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}
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}
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void OLED_DrawString(char* string, uint8_t length) {
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for (uint8_t i = 0; i < length; i++) {
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OLED_DrawChar(string[i], i * 14);
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}
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}
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void OLED_DrawChar(char c, uint8_t x) {
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if ((x) > (128 - 14))
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return; //Rudimentary clipping to not draw off screen
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u8* ptr;
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ptr = (u8*) FONT;
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if (c >= 'A' && c <= 'Z') {
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ptr += (c - 'A' + 10) * (14 * 2); //alpha is ofset 10 chars into the array
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} else if (c >= '0' && c <= '9')
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ptr += (c - '0') * (14 * 2);
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else if (c < 10)
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ptr += (c) * (14 * 2);
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else if (c == ' ') {
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//blank on space bar
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ptr += (36) * (14 * 2);
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}
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Oled_DrawArea(x, 0, 14, 16, (u8*) ptr);
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}
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/*
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* Draw a 2 digit number to the display
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* */
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void OLED_DrawTwoNumber(uint8_t in, uint8_t x) {
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OLED_DrawChar(in / 10, x);
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OLED_DrawChar(in % 10, x + 14);
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}
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void OLED_DrawThreeNumber(uint16_t in, uint8_t x) {
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OLED_DrawChar((in / 100)%10, x);
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OLED_DrawChar((in / 10)%10, x + 14);
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OLED_DrawChar(in % 10, x + 28);
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}
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void OLED_DrawFourNumber(uint16_t in, uint8_t x) {
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OLED_DrawChar((in / 1000)%10, x);
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OLED_DrawChar((in / 100)%10, x+14);
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OLED_DrawChar((in / 10)%10, x + 28);
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OLED_DrawChar(in % 10, x + 32);
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}
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/******************************** END OF FILE *********************************/
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