RAR0.96寸七针OLED（SPI） 52.71KB

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文件:0.96寸七针OLED（SPI）.rar

资源介绍:

0.96寸七针OLED（SPI）是一种常见的小型显示屏，常用于各种嵌入式设备和物联网项目中。这种显示屏使用SPI（Serial Peripheral Interface）通信协议，与微控制器如STM32F103进行数据交换，以显示文本、图形和其他可视化信息。SPI是一种同步串行接口，支持全双工通信，传输速度快，资源占用少，非常适合在资源有限的嵌入式系统中使用。 STM32F103是一款基于ARM Cortex-M3内核的微控制器，广泛应用于各种嵌入式设计。其内置丰富的外设接口，包括SPI，使得它能够方便地与OLED显示屏配合工作。驱动程序是连接硬件和软件的关键，它包含初始化配置、数据传输等核心功能，确保STM32正确控制OLED显示。 在描述中提到的驱动程序是针对0.96寸七针OLED和STM32F103的，其特点是内容简洁且经过实际测试，可以直接将提供的文件集成到基于STM32的标准库工程中。这表明驱动程序具有良好的兼容性和可移植性，意味着开发者无需深入了解OLED显示屏的工作原理，只需将其添加到现有项目中，稍作调整即可实现显示功能。 SPI接口通常由四条信号线组成：主时钟（SCK）、主输出从输入（MOSI）、主输入从输出（MISO）和片选信号（CS）。在与OLED通信时，STM32作为SPI的主设备，通过这些线路发送指令和数据，控制OLED的显示。七针OLED可能还包括额外的控制线，如使能信号（DC）和复位信号（RST），用于设置命令/数据模式和重置显示屏。 OLED显示屏本身由多个有机发光二极管组成，每个像素都能独立发光，因此对比度高，响应速度快，功耗低。这种显示技术通常分为SSD1306、SH1106等不同的芯片型号，每种型号都有特定的指令集来控制显示内容。驱动程序就是根据这些指令集编写，以实现显示初始化、清屏、点画、文本输出等功能。 在开发过程中，需要注意以下几点： 1. 初始化SPI接口：配置SPI时钟分频、数据极性和相位、总线模式等参数。 2. 配置GPIO引脚：设定OLED控制线的输入/输出模式，并设置合适的上下拉电阻。 3. 选择合适的片选信号：为OLED分配一个独立的片选信号，以便在需要时选择或取消选择它。 4. 指令和数据传输：根据OLED的数据手册，正确设置DC引脚以区分发送指令还是数据。 5. 显示更新：在每次修改显示内容后，需要发送更新显示的指令。 0.96寸七针OLED（SPI）的驱动程序是嵌入式系统中实现可视化界面的关键。通过理解STM32的SPI接口和OLED显示屏的工作原理，可以高效地集成并利用这个驱动程序，为项目增添丰富的显示功能。
#include "stm32f10x.h" #include "hal_oled.h" #define OLED_CMD 0 //写命令 #define OLED_DATA 1 //写数据 #define OLED_PORT GPIOA #define OLED_SLK_PORT OLED_PORT #define OLED_SLK_PIN GPIO_Pin_5 #define OLED_DO_PORT OLED_PORT #define OLED_DO_PIN GPIO_Pin_7 #define OLED_RES_PORT OLED_PORT #define OLED_RES_PIN GPIO_Pin_4 #define OLED_CMD_PORT OLED_PORT #define OLED_CMD_PIN GPIO_Pin_6 #define OLED_SCL_Clr() GPIO_ResetBits(OLED_SLK_PORT,OLED_SLK_PIN)//SCL #define OLED_SCL_Set() GPIO_SetBits(OLED_SLK_PORT,OLED_SLK_PIN) #define OLED_SDA_Clr() GPIO_ResetBits(OLED_DO_PORT,OLED_DO_PIN)//SDA #define OLED_SDA_Set() GPIO_SetBits(OLED_DO_PORT,OLED_DO_PIN) #define OLED_RES_Clr() GPIO_ResetBits(OLED_RES_PORT,OLED_RES_PIN)//RES #define OLED_RES_Set() GPIO_SetBits(OLED_RES_PORT,OLED_RES_PIN) #define OLED_DC_Clr() GPIO_ResetBits(OLED_CMD_PORT,OLED_CMD_PIN)//DC #define OLED_DC_Set() GPIO_SetBits(OLED_CMD_PORT,OLED_CMD_PIN) const unsigned char asc2_0806[][6] = { {0x00, 0x00, 0x00, 0x00, 0x00, 0x00},// sp {0x00, 0x00, 0x00, 0x2f, 0x00, 0x00},// ! {0x00, 0x00, 0x07, 0x00, 0x07, 0x00},// " {0x00, 0x14, 0x7f, 0x14, 0x7f, 0x14},// # {0x00, 0x24, 0x2a, 0x7f, 0x2a, 0x12},// $ {0x00, 0x62, 0x64, 0x08, 0x13, 0x23},// % {0x00, 0x36, 0x49, 0x55, 0x22, 0x50},// & {0x00, 0x00, 0x05, 0x03, 0x00, 0x00},// ' {0x00, 0x00, 0x1c, 0x22, 0x41, 0x00},// ( {0x00, 0x00, 0x41, 0x22, 0x1c, 0x00},// ) {0x00, 0x14, 0x08, 0x3E, 0x08, 0x14},// * {0x00, 0x08, 0x08, 0x3E, 0x08, 0x08},// + {0x00, 0x00, 0x00, 0xA0, 0x60, 0x00},// , {0x00, 0x08, 0x08, 0x08, 0x08, 0x08},// - {0x00, 0x00, 0x60, 0x60, 0x00, 0x00},// . {0x00, 0x20, 0x10, 0x08, 0x04, 0x02},// / {0x00, 0x3E, 0x51, 0x49, 0x45, 0x3E},// 0 {0x00, 0x00, 0x42, 0x7F, 0x40, 0x00},// 1 {0x00, 0x42, 0x61, 0x51, 0x49, 0x46},// 2 {0x00, 0x21, 0x41, 0x45, 0x4B, 0x31},// 3 {0x00, 0x18, 0x14, 0x12, 0x7F, 0x10},// 4 {0x00, 0x27, 0x45, 0x45, 0x45, 0x39},// 5 {0x00, 0x3C, 0x4A, 0x49, 0x49, 0x30},// 6 {0x00, 0x01, 0x71, 0x09, 0x05, 0x03},// 7 {0x00, 0x36, 0x49, 0x49, 0x49, 0x36},// 8 {0x00, 0x06, 0x49, 0x49, 0x29, 0x1E},// 9 {0x00, 0x00, 0x36, 0x36, 0x00, 0x00},// : {0x00, 0x00, 0x56, 0x36, 0x00, 0x00},// ; {0x00, 0x08, 0x14, 0x22, 0x41, 0x00},// < {0x00, 0x14, 0x14, 0x14, 0x14, 0x14},// = {0x00, 0x00, 0x41, 0x22, 0x14, 0x08},// > {0x00, 0x02, 0x01, 0x51, 0x09, 0x06},// ? {0x00, 0x32, 0x49, 0x59, 0x51, 0x3E},// @ {0x00, 0x7C, 0x12, 0x11, 0x12, 0x7C},// A {0x00, 0x7F, 0x49, 0x49, 0x49, 0x36},// B {0x00, 0x3E, 0x41, 0x41, 0x41, 0x22},// C {0x00, 0x7F, 0x41, 0x41, 0x22, 0x1C},// D {0x00, 0x7F, 0x49, 0x49, 0x49, 0x41},// E {0x00, 0x7F, 0x09, 0x09, 0x09, 0x01},// F {0x00, 0x3E, 0x41, 0x49, 0x49, 0x7A},// G {0x00, 0x7F, 0x08, 0x08, 0x08, 0x7F},// H {0x00, 0x00, 0x41, 0x7F, 0x41, 0x00},// I {0x00, 0x20, 0x40, 0x41, 0x3F, 0x01},// J {0x00, 0x7F, 0x08, 0x14, 0x22, 0x41},// K {0x00, 0x7F, 0x40, 0x40, 0x40, 0x40},// L {0x00, 0x7F, 0x02, 0x0C, 0x02, 0x7F},// M {0x00, 0x7F, 0x04, 0x08, 0x10, 0x7F},// N {0x00, 0x3E, 0x41, 0x41, 0x41, 0x3E},// O {0x00, 0x7F, 0x09, 0x09, 0x09, 0x06},// P {0x00, 0x3E, 0x41, 0x51, 0x21, 0x5E},// Q {0x00, 0x7F, 0x09, 0x19, 0x29, 0x46},// R {0x00, 0x46, 0x49, 0x49, 0x49, 0x31},// S {0x00, 0x01, 0x01, 0x7F, 0x01, 0x01},// T {0x00, 0x3F, 0x40, 0x40, 0x40, 0x3F},// U {0x00, 0x1F, 0x20, 0x40, 0x20, 0x1F},// V {0x00, 0x3F, 0x40, 0x38, 0x40, 0x3F},// W {0x00, 0x63, 0x14, 0x08, 0x14, 0x63},// X {0x00, 0x07, 0x08, 0x70, 0x08, 0x07},// Y {0x00, 0x61, 0x51, 0x49, 0x45, 0x43},// Z {0x00, 0x00, 0x7F, 0x41, 0x41, 0x00},// [ {0x00, 0x55, 0x2A, 0x55, 0x2A, 0x55},// 55 {0x00, 0x00, 0x41, 0x41, 0x7F, 0x00},// ] {0x00, 0x04, 0x02, 0x01, 0x02, 0x04},// ^ {0x00, 0x40, 0x40, 0x40, 0x40, 0x40},// _ {0x00, 0x00, 0x01, 0x02, 0x04, 0x00},// ' {0x00, 0x20, 0x54, 0x54, 0x54, 0x78},// a {0x00, 0x7F, 0x48, 0x44, 0x44, 0x38},// b {0x00, 0x38, 0x44, 0x44, 0x44, 0x20},// c {0x00, 0x38, 0x44, 0x44, 0x48, 0x7F},// d {0x00, 0x38, 0x54, 0x54, 0x54, 0x18},// e {0x00, 0x08, 0x7E, 0x09, 0x01, 0x02},// f {0x00, 0x18, 0xA4, 0xA4, 0xA4, 0x7C},// g {0x00, 0x7F, 0x08, 0x04, 0x04, 0x78},// h {0x00, 0x00, 0x44, 0x7D, 0x40, 0x00},// i {0x00, 0x40, 0x80, 0x84, 0x7D, 0x00},// j {0x00, 0x7F, 0x10, 0x28, 0x44, 0x00},// k {0x00, 0x00, 0x41, 0x7F, 0x40, 0x00},// l {0x00, 0x7C, 0x04, 0x18, 0x04, 0x78},// m {0x00, 0x7C, 0x08, 0x04, 0x04, 0x78},// n {0x00, 0x38, 0x44, 0x44, 0x44, 0x38},// o {0x00, 0xFC, 0x24, 0x24, 0x24, 0x18},// p {0x00, 0x18, 0x24, 0x24, 0x18, 0xFC},// q {0x00, 0x7C, 0x08, 0x04, 0x04, 0x08},// r {0x00, 0x48, 0x54, 0x54, 0x54, 0x20},// s {0x00, 0x04, 0x3F, 0x44, 0x40, 0x20},// t {0x00, 0x3C, 0x40, 0x40, 0x20, 0x7C},// u {0x00, 0x1C, 0x20, 0x40, 0x20, 0x1C},// v {0x00, 0x3C, 0x40, 0x30, 0x40, 0x3C},// w {0x00, 0x44, 0x28, 0x10, 0x28, 0x44},// x {0x00, 0x1C, 0xA0, 0xA0, 0xA0, 0x7C},// y {0x00, 0x44, 0x64, 0x54, 0x4C, 0x44},// z {0x14, 0x14, 0x14, 0x14, 0x14, 0x14},// horiz lines }; //12*12 ASCII????? const unsigned char asc2_1206[95][12]={ {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*" ",0*/ {0x00,0x00,0xFC,0x00,0x00,0x00,0x00,0x00,0x02,0x00,0x00,0x00},/*"!",1*/ {0x00,0x0C,0x02,0x0C,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*""",2*/ {0x90,0xD0,0xBC,0xD0,0xBC,0x90,0x00,0x03,0x00,0x03,0x00,0x00},/*"#",3*/ {0x18,0x24,0xFE,0x44,0x8C,0x00,0x03,0x02,0x07,0x02,0x01,0x00},/*"$",4*/ {0x18,0x24,0xD8,0xB0,0x4C,0x80,0x00,0x03,0x00,0x01,0x02,0x01},/*"%",5*/ {0xC0,0x38,0xE4,0x38,0xE0,0x00,0x01,0x02,0x02,0x01,0x02,0x02},/*"&",6*/ {0x08,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"'",7*/ {0x00,0x00,0x00,0xF8,0x04,0x02,0x00,0x00,0x00,0x01,0x02,0x04},/*"(",8*/ {0x00,0x02,0x04,0xF8,0x00,0x00,0x00,0x04,0x02,0x01,0x00,0x00},/*")",9*/ {0x90,0x60,0xF8,0x60,0x90,0x00,0x00,0x00,0x01,0x00,0x00,0x00},/*"*",10*/ {0x20,0x20,0xFC,0x20,0x20,0x00,0x00,0x00,0x01,0x00,0x00,0x00},/*"+",11*/ {0x00,0x00,0x00,0x00,0x00,0x00,0x08,0x06,0x00,0x00,0x00,0x00},/*",",12*/ {0x20,0x20,0x20,0x20,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"-",13*/ {0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x02,0x00,0x00,0x00,0x00},/*".",14*/ {0x00,0x80,0x60,0x1C,0x02,0x00,0x04,0x03,0x00,0x00,0x00,0x00},/*"/",15*/ {0xF8,0x04,0x04,0x04,0xF8,0x00,0x01,0x02,0x02,0x02,0x01,0x00},/*"0",16*/ {0x00,0x08,0xFC,0x00,0x00,0x00,0x00,0x02,0x03,0x02,0x00,0x00},/*"1",17*/ {0x18,0x84,0x44,0x24,0x18,0x00,0x03,0x02,0x02,0x02,0x02,0x00},/*"2",18*/ {0x08,0x04,0x24,0x24,0xD8,0x00,0x01,0x02,0x02,0x02,0x01,0x00},/*"3",19*/ {0x40,0xB0,0x88,0xFC,0x80,0x00,0x00,0x00,0x00,0x03,0x02,0x00},/*"4",20*/ {0x3C,0x24,0x24,0x24,0xC4,0x00,0x01,0x02,0x02,0x02,0x01,0x00},/*"5",21*/ {0xF8,0x24,0x24,0x2C,0xC0,0x00,0x01,0x02,0x02,0x02,0x01,0x00},/*"6",22*/ {0x0C,0x04,0xE4,0x1C,0x04,0x00,0x00,0x00,0x03,0x00,0x00,0x00},/*"7",23*/ {0xD8,0x24,0x24,0x24,0xD8,0x00,0x01,0x02,0x02,0x02,0x01,0x00},/*"8",24*/ {0x38,0x44,0x44,0x44,0xF8,0x00,0x00,0x03,0x02,0x02,0x01,0x00},/*"9",25*/ {0x00,0x00,0x10,0x00,0x00,0x00,0x00,0x00,0x02,0x00,0x00,0x00},/*":",26*/ {0x00,0x00,0x20,0x00,0x00,0x00,0x00,0x00,0x06,0x00,0x00,0x00},/*";",27*/ {0x00,0x20,0x50,0x88,0x04,0x02,0x00,0x00,0x00,0x00,0x01,0x02},/*"<",28*/ {0x90,0x90,0x90,0x90,0x90,0x00,0x00,0x00,0x00,0x00,0x00,0x00},/*"=",29*/ {0x00,0x02,0x04,0x88,0x50,0x20,0x00,0x02,0x01,0x00,0x00,0x00},/*">",30*/ {0x18,0x04,0xC4,0x24,0x18,0x00,0x00,0x00,0x02,0x00,0x00,0x00},/*"?",31*/ {0xF8,0x04,0xE4,0x94,0xF8,0x00,0x01,0x02,0x02,0x02,0x02,0x00},/*"@",32*/ {0x00,0xE0,0x9C,0xF0,0x80,0x00,0x02,0x03,0x00,0x00,0x03,0x02},/*"A",33*/ {0x04,0xFC,0x24,0x24,0xD8,0x00,0x02,0x03,0x02,0x02,0x01,0x00},/*"B",34*/ {0xF8,0x04,0x04,0x04,0x0C,0x00,0x01,0x02,0x02,0x02,0x01,0x00},/*"C",35*/ {0x04,0xFC,0x04,0x04,0xF8,0x00,0x02,0x03,0x02,0x02,0x01,0x00},/*"D",36*/ {0x04,0xFC,0x24,0x74,0x0C,0x00,0x02,0x03,0x02,0x02,0x03,0x00},/*"E",37*/ {0x04,0xFC,0x24,0x74,0x0C,0x00,0x02,0x03,0x02,0x00,0x00,0x00},/*"F",38*/ {0xF0,0x08,0x04,0x44,0xCC,0x40,0x00,0x01,0x02,0x02,0x01,0x00},/*"G",39*/ {0x04,0xFC,0x20,0x20,0xFC,0x04,0x02,0x03,0x00,0x00,0x03,0x02},/*"H",40*/ {0x04,0x04,0xFC,0x04,0x04,0x00,0x02,0x02,0x03,0x02,0x02,0x00},/*"I",41*/ {0x00,0x04,0x04,0xFC,0x04,0x04
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