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OLED Screen
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README.md
10
README.md
@ -6,11 +6,11 @@
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# GPIO
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MPU6050 | BLDC | Wi-Fi | OLED Screen | LED
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:------:|:----:|:-----:|:-----------:|:---
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**`SCL`** PB15|**`PWM`** PA7|**`USART3_TX`** PB10|**`SDIN`** *TBD*|**`LED0`** PA8
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**`SDA`** PB13||**`USART3_RX`** PB11|**`SCLK`** *TBD*|**`LED1`** PD2
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**`AD0`** PC6 |||**`DC`** *TBD*
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||||**`RST`** *TBD*
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||||**`CS`** *TBD*
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**`SCL`** PB15|**`PWM`** PA7|**`USART3_TX`** PB10|**`SDIN`** *3*|**`LED0`** PA8
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**`SDA`** PB13||**`USART3_RX`** PB11|**`SCLK`** *4*|**`LED1`** PD2
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**`AD0`** PC6 |||**`DC`** *5*
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||||**`RST`** *6*
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||||**`CS`** *7*
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# Todolist
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* Software **I2C**
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@ -0,0 +1,20 @@
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#pragma once
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#ifndef OLED_H_
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#define OLED_H_
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#define SDIN_OLED BIT_ADDR((GPIOB_BASE+12), 3)
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#define SCLK_OLED BIT_ADDR((GPIOB_BASE+12), 4)
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#define DC_OLED BIT_ADDR((GPIOB_BASE+12), 5)
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#define RST_OLED BIT_ADDR((GPIOB_BASE+12), 6)
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#define CS_OLED BIT_ADDR((GPIOB_BASE+12), 7)
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void delay_us(volatile unsigned int nus);
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void oled_portInit();
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void oled_sendData(unsigned char dat);
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void oled_sendCmd(unsigned char cmd);
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void oled_init();
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void fill_ram (unsigned char h, unsigned char l);
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#endif
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@ -0,0 +1,240 @@
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#include "oled.h"
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#include "bit.h"
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#include "stm32f10x.h"
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void delay_oled(volatile unsigned int nus) {
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for(nus *= 4; nus; nus--);
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}
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void oled_portInit() {
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RCC->APB2ENR |= 1<<3; //GPIOB enable
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RCC->APB2ENR |= 1; //AFIO enable
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AFIO->MAPR &= 0xF8FFFFFF; //Clean SWJ_CFG[2:0]
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AFIO->MAPR |= 0x04000000; //Set SWJ_CFG[2:0] = 100
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GPIOB->CRL &= 0x00000FFF;
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GPIOB->CRL |= 0x33333FFF;
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}
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void oled_sendData(unsigned char dat) {
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CS_OLED = 0;
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DC_OLED = 0;
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unsigned char i;
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for(i = 0; i < 8; i++) {
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SCLK_OLED = 0;
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SDIN_OLED = (dat&0x80)>>7;
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dat <<= 1;
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delay_oled(10);
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SCLK_OLED = 1;
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delay_oled(10);
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}
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CS_OLED = 1;
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}
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void oled_sendCmd(unsigned char cmd) {
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CS_OLED = 0;
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DC_OLED = 1;
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unsigned char i;
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for(i = 0; i < 8; i++) {
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SCLK_OLED = 0;
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SDIN_OLED = (cmd&0x80)>>7;
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cmd <<= 1;
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delay_oled(10);
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SCLK_OLED = 1;
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delay_oled(10);
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}
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CS_OLED = 1;
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}
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void oled_init() {
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oled_portInit();
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RST_OLED = 1;
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delay_oled(10);
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RST_OLED = 0;
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delay_oled(10);
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RST_OLED = 1;
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//Command Lock
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oled_sendCmd (0xFD);
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oled_sendData (0x12);
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//Command Lock
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oled_sendCmd (0xFD);
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oled_sendData (0xB1);
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//Set Sleep Mode On
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oled_sendCmd (0xAE);
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//Set Display Clock Divide Ratio/Oscillator Frequency
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oled_sendCmd (0xB3);
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oled_sendData (0xF1);
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//Set Multiplex Ratio
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oled_sendCmd (0xCA);
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oled_sendData (0x7F);
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//Set Display Offset
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oled_sendCmd (0xA2);
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oled_sendData (0x00);
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//Set Display Start Line
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oled_sendCmd (0xA1);
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oled_sendData (0x00);
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//Set Re-Map & Color Depth
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oled_sendCmd (0xA0);
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oled_sendData (0x74);
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//Set GPIO
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oled_sendCmd (0xB5);
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oled_sendData (0x00);
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//Function Selection
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oled_sendCmd (0xAB);
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oled_sendData (0x01);
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//Set Segment Low Voltage
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oled_sendCmd (0xB4);
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oled_sendData (0xA0);
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oled_sendData (0xB5);
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oled_sendData (0x55);
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//Set Contrast Current
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oled_sendCmd (0xC1);
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oled_sendData (0xC8);
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oled_sendData (0x80);
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oled_sendData (0xC8);
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//Set Master Current Control
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oled_sendCmd (0xC7);
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oled_sendData (0x0F);
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//Gamma Look up Table
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oled_sendCmd (0xB8);
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oled_sendData (0x02);
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oled_sendData (0x03);
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oled_sendData (0x04);
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oled_sendData (0x05);
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oled_sendData (0x06);
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oled_sendData (0x07);
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oled_sendData (0x08);
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oled_sendData (0x09);
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oled_sendData (0x0A);
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oled_sendData (0x0B);
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oled_sendData (0x0C);
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oled_sendData (0x0D);
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oled_sendData (0x0E);
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oled_sendData (0x0F);
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oled_sendData (0x10);
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oled_sendData (0x11);
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oled_sendData (0x12);
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oled_sendData (0x13);
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oled_sendData (0x15);
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oled_sendData (0x17);
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oled_sendData (0x19);
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oled_sendData (0x1B);
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oled_sendData (0x1D);
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oled_sendData (0x1F);
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oled_sendData (0x21);
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oled_sendData (0x23);
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oled_sendData (0x25);
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oled_sendData (0x27);
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oled_sendData (0x2A);
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oled_sendData (0x2D);
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oled_sendData (0x30);
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oled_sendData (0x33);
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oled_sendData (0x36);
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oled_sendData (0x39);
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oled_sendData (0x3C);
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oled_sendData (0x3F);
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oled_sendData (0x42);
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oled_sendData (0x45);
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oled_sendData (0x48);
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oled_sendData (0x4C);
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oled_sendData (0x50);
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oled_sendData (0x54);
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oled_sendData (0x58);
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oled_sendData (0x5C);
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oled_sendData (0x60);
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oled_sendData (0x64);
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oled_sendData (0x68);
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oled_sendData (0x6C);
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oled_sendData (0x70);
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oled_sendData (0x74);
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oled_sendData (0x78);
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oled_sendData (0x7D);
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oled_sendData (0x82);
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oled_sendData (0x87);
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oled_sendData (0x8C);
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oled_sendData (0x91);
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oled_sendData (0x96);
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oled_sendData (0x9B);
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oled_sendData (0xA0);
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oled_sendData (0xA5);
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oled_sendData (0xAA);
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oled_sendData (0xAF);
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oled_sendData (0xB4);
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oled_sendData (0x00);
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//Set Phase Length
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oled_sendCmd (0xB1);
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oled_sendData (0x32);
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//Enhance Driving Scheme Capability
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oled_sendCmd (0xB2);
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oled_sendData (0xA4);
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oled_sendData (0x00);
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oled_sendData (0x00);
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//Set Pre-Charge Voltage
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oled_sendCmd (0xBB);
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oled_sendData (0x17);
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//Set Second Pre-Charge Period
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oled_sendCmd (0xB6);
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oled_sendData (0x01);
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//Set VCOMH Voltage
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oled_sendCmd (0xBE);
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oled_sendData (0x05);
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//Set Display Mode
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oled_sendCmd (0xA6);
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//Clear Screen
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fill_ram (0x03, 0x00);
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//Set Sleep Mode Off
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oled_sendCmd (0xAF);
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}
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void fill_ram (unsigned char h, unsigned char l) {
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unsigned char i, c;
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oled_sendCmd (0x15);
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oled_sendData (0x00);
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oled_sendData (0x7F);
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oled_sendCmd (0x75);
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oled_sendData (0x00);
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oled_sendData (0x7F);
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oled_sendCmd (0x5C);
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for (i = 0; i < 128; i++) {
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for (c = 0; c < 128; c++) {
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oled_sendData (h);
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oled_sendData (l);
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}
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}
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}
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@ -6,6 +6,7 @@
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#include "uart.h"
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#include "wifi.h"
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#include "key.h"
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#include "oled.h"
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#define Kp 100.0f //比例增益支配率(常量)
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#define Ki 0.002f //积分增益支配率
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@ -99,6 +100,7 @@ void Comput(SixAxis cache) {
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}
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int main() {
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oled_init();
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initLED();
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Key_init();
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motor_PWM_Init(28800,5);
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