GeBalanceBot/4.WHEELTEC B570 平衡小车源码(库函数精.../MiniBalance_HARDWARE/OLED/oled.c

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2024-01-14 19:28:00 +08:00
/***********************************************
WHEELTEC
wheeltec.net
shop114407458.taobao.com
: https://minibalance.aliexpress.com/store/4455017
5.7
2021-04-29
Brand: WHEELTEC
Website: wheeltec.net
Taobao shop: shop114407458.taobao.com
Aliexpress: https://minibalance.aliexpress.com/store/4455017
Version:5.7
Update2021-04-29
All rights reserved
***********************************************/
#include "oled.h"
#include "stdlib.h"
#include "oledfont.h"
#include "delay.h"
u8 OLED_GRAM[128][8];
/**************************************************************************
Function: Refresh the OLED screen
Input : none
Output : none
OLED
**************************************************************************/
void OLED_Refresh_Gram(void)
{
u8 i, n;
for (i = 0; i < 8; i++)
{
OLED_WR_Byte(0xb0 + i, OLED_CMD); // 设置页地址0~7
OLED_WR_Byte(0x00, OLED_CMD); // 设置显示位置—列低地址
OLED_WR_Byte(0x10, OLED_CMD); // 设置显示位置—列高地址
for (n = 0; n < 128; n++)
OLED_WR_Byte(OLED_GRAM[n][i], OLED_DATA);
}
}
/**************************************************************************
Function: Refresh the OLED screen
Input : Dat: data/command to write, CMD: data/command flag 0, represents the command;1, represents data
Output : none
OLED
dat:/cmd:/ 0,;1,
**************************************************************************/
void OLED_WR_Byte(u8 dat, u8 cmd)
{
u8 i;
if (cmd)
OLED_RS_Set();
else
OLED_RS_Clr();
for (i = 0; i < 8; i++)
{
OLED_SCLK_Clr();
if (dat & 0x80)
OLED_SDIN_Set();
else
OLED_SDIN_Clr();
OLED_SCLK_Set();
dat <<= 1;
}
OLED_RS_Set();
}
/**************************************************************************
Function: Turn on the OLED display
Input : none
Output : none
OLED
**************************************************************************/
void OLED_Display_On(void)
{
OLED_WR_Byte(0X8D, OLED_CMD); // SET DCDC命令
OLED_WR_Byte(0X14, OLED_CMD); // DCDC ON
OLED_WR_Byte(0XAF, OLED_CMD); // DISPLAY ON
}
/**************************************************************************
Function: Turn off the OLED display
Input : none
Output : none
OLED
**************************************************************************/
void OLED_Display_Off(void)
{
OLED_WR_Byte(0X8D, OLED_CMD); // SET DCDC命令
OLED_WR_Byte(0X10, OLED_CMD); // DCDC OFF
OLED_WR_Byte(0XAE, OLED_CMD); // DISPLAY OFF
}
/**************************************************************************
Function: Screen clear function, clear the screen, the entire screen is black, and did not light up the same
Input : none
Output : none
,,
**************************************************************************/
void OLED_Clear(void)
{
u8 i, n;
for (i = 0; i < 8; i++)
for (n = 0; n < 128; n++)
OLED_GRAM[n][i] = 0X00;
OLED_Refresh_Gram(); // 更新显示
}
/**************************************************************************
Function: Draw point
Input : x,y: starting coordinate;T :1, fill,0, empty
Output : none
x,y :; t:1,,0,
**************************************************************************/
void OLED_DrawPoint(u8 x, u8 y, u8 t)
{
u8 pos, bx, temp = 0;
if (x > 127 || y > 63)
return; // 超出范围了.
pos = 7 - y / 8;
bx = y % 8;
temp = 1 << (7 - bx);
if (t)
OLED_GRAM[x][pos] |= temp;
else
OLED_GRAM[x][pos] &= ~temp;
}
/**************************************************************************
Function: Displays a character, including partial characters, at the specified position
Input : x,y: starting coordinate;Len: The number of digits;Size: font size;Mode :0, anti-white display,1, normal display
Output : none
,
x,y :; len :; size:; mode:0,,1,
**************************************************************************/
void OLED_ShowChar(u8 x, u8 y, u8 chr, u8 size, u8 mode)
{
u8 temp, t, t1;
u8 y0 = y;
chr = chr - ' '; // 得到偏移后的值
for (t = 0; t < size; t++)
{
if (size == 12)
temp = oled_asc2_1206[chr][t]; // 调用1206字体
else
temp = oled_asc2_1608[chr][t]; // 调用1608字体
for (t1 = 0; t1 < 8; t1++)
{
if (temp & 0x80)
OLED_DrawPoint(x, y, mode);
else
OLED_DrawPoint(x, y, !mode);
temp <<= 1;
y++;
if ((y - y0) == size)
{
y = y0;
x++;
break;
}
}
}
}
/**************************************************************************
Function: Find m to the NTH power
Input : m: base number, n: power number
Output : none
mn
mn
**************************************************************************/
u32 oled_pow(u8 m, u8 n)
{
u32 result = 1;
while (n--)
result *= m;
return result;
}
/**************************************************************************
Function: Displays 2 numbers
Input : x,y: starting coordinate;Len: The number of digits;Size: font size;Mode: mode, 0, fill mode, 1, overlay mode;Num: value (0 ~ 4294967295);
Output : none
2
x,y :; len :; size:; mode:, 0,, 1,; num:(0~4294967295);
**************************************************************************/
void OLED_ShowNumber(u8 x, u8 y, u32 num, u8 len, u8 size)
{
u8 t, temp;
u8 enshow = 0;
for (t = 0; t < len; t++)
{
temp = (num / oled_pow(10, len - t - 1)) % 10;
if (enshow == 0 && t < (len - 1))
{
if (temp == 0)
{
OLED_ShowChar(x + (size / 2) * t, y, ' ', size, 1);
continue;
}
else
enshow = 1;
}
OLED_ShowChar(x + (size / 2) * t, y, temp + '0', size, 1);
}
}
/**************************************************************************
Function: Display string
Input : x,y: starting coordinate;*p: starting address of the string
Output : none
x,y :; *p:
**************************************************************************/
// 用16字体
void OLED_ShowString(u8 x, u8 y, const u8 *p)
{
#define MAX_CHAR_POSX 122
#define MAX_CHAR_POSY 58
while (*p != '\0')
{
if (x > MAX_CHAR_POSX)
{
x = 0;
y += 16;
}
if (y > MAX_CHAR_POSY)
{
y = x = 0;
OLED_Clear();
}
OLED_ShowChar(x, y, *p, 12, 1);
x += 8;
p++;
}
}
/**************************************************************************
Function: Initialize the OLED
Input : none
Output : none
OLED
:
**************************************************************************/
void OLED_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE); // 使能PB端口时钟
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3 | GPIO_Pin_4 | GPIO_Pin_5; // 端口配置
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; // 推挽输出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz; // 2M
GPIO_Init(GPIOB, &GPIO_InitStructure); // 根据设定参数初始化GPIO
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE); // 开A口时钟。
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz; // 设为输出 
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
PWR_BackupAccessCmd(ENABLE); // 允许修改RTC 和后备寄存器
RCC_LSEConfig(RCC_LSE_OFF); // 关闭外部低速外部时钟信号功能 后PC13 PC14 PC15 才可以当普通IO用。
BKP_TamperPinCmd(DISABLE); // 关闭入侵检测功能,也就是 PC13也可以当普通IO 使用
PWR_BackupAccessCmd(DISABLE); // 禁止修改后备寄存器
OLED_RST_Clr();
delay_ms(100);
OLED_RST_Set();
OLED_WR_Byte(0xAE, OLED_CMD); // 关闭显示
OLED_WR_Byte(0xD5, OLED_CMD); // 设置时钟分频因子,震荡频率
OLED_WR_Byte(80, OLED_CMD); //[3:0],分频因子;[7:4],震荡频率
OLED_WR_Byte(0xA8, OLED_CMD); // 设置驱动路数
OLED_WR_Byte(0X3F, OLED_CMD); // 默认0X3F(1/64)
OLED_WR_Byte(0xD3, OLED_CMD); // 设置显示偏移
OLED_WR_Byte(0X00, OLED_CMD); // 默认为0
OLED_WR_Byte(0x40, OLED_CMD); // 设置显示开始行 [5:0],行数.
OLED_WR_Byte(0x8D, OLED_CMD); // 电荷泵设置
OLED_WR_Byte(0x14, OLED_CMD); // bit2开启/关闭
OLED_WR_Byte(0x20, OLED_CMD); // 设置内存地址模式
OLED_WR_Byte(0x02, OLED_CMD); //[1:0],00列地址模式;01行地址模式;10,页地址模式;默认10;
OLED_WR_Byte(0xA1, OLED_CMD); // 段重定义设置,bit0:0,0->0;1,0->127;
OLED_WR_Byte(0xC0, OLED_CMD); // 设置COM扫描方向;bit3:0,普通模式;1,重定义模式 COM[N-1]->COM0;N:驱动路数
OLED_WR_Byte(0xDA, OLED_CMD); // 设置COM硬件引脚配置
OLED_WR_Byte(0x12, OLED_CMD); //[5:4]配置
OLED_WR_Byte(0x81, OLED_CMD); // 对比度设置
OLED_WR_Byte(0xEF, OLED_CMD); // 1~255;默认0X7F (亮度设置,越大越亮)
OLED_WR_Byte(0xD9, OLED_CMD); // 设置预充电周期
OLED_WR_Byte(0xf1, OLED_CMD); //[3:0],PHASE 1;[7:4],PHASE 2;
OLED_WR_Byte(0xDB, OLED_CMD); // 设置VCOMH 电压倍率
OLED_WR_Byte(0x30, OLED_CMD); //[6:4] 000,0.65*vcc;001,0.77*vcc;011,0.83*vcc;
OLED_WR_Byte(0xA4, OLED_CMD); // 全局显示开启;bit0:1,开启;0,关闭;(白屏/黑屏)
OLED_WR_Byte(0xA6, OLED_CMD); // 设置显示方式;bit0:1,反相显示;0,正常显示
OLED_WR_Byte(0xAF, OLED_CMD); // 开启显示
OLED_Clear();
}