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#include "main.h"
#include "stm32f1xx_hal.h"
//#include "stm32f1xx_hal_gpio.h"
#define uchar unsigned char
#define uint unsigned int
//#define databus P1
#define databus GPIOB
//sbit cs1 = P3^3; //左屏幕選擇，低電平有效
#define cs1 GPIO_PIN_3
#define set_cs1 GPIO_SetBits(GPIOC, cs1)
#define clr_cs1 GPIO_ResetBits(GPIOC, cs1)
//sbit cs2 = P3^4; //右屏幕選擇
#define cs2 GPIO_PIN_4
#define set_cs2 GPIO_SetBits(GPIOC, cs2)
#define clr_cs2 GPIO_ResetBits(GPIOC, cs2)
//sbit e = P3^5; //指令數據控制
#define e GPIO_PIN_5
#define set_e GPIO_SetBits(GPIOC, e)
#define clr_e GPIO_ResetBits(GPIOC, e)
//sbit wr = P3^6; //讀寫控制
#define wr GPIO_PIN_6
#define set_wr GPIO_SetBits(GPIOC, wr)
#define clr_wr GPIO_ResetBits(GPIOC, wr)
//sbit rs = P3^7; //指令數據選擇
#define rs GPIO_PIN_7
#define set_rs GPIO_SetBits(GPIOC, rs)
#define clr_rs GPIO_ResetBits(GPIOC, rs)
void LcdDelay(uint time)
{
while(time--);
}
void _NOP_(void)
{
uint i = 200;
while(i > 0)
{
i--;
}
}
/**********************************
寫指令
**********************************/
void SendCommand(uchar command)
{
set_e; //e=1;
clr_wr; //wr=0;
clr_rs; //rs=0;
databus->ODR = (databus->ODR & 0xff00)|command; //databus=command;
_NOP_();
clr_e; //e=0;
_NOP_();
}
/**********************************
寫數據
**********************************/
void WriteData(uchar dat)
{
set_e; //e=1;
clr_wr; //wr=0;
set_rs; //rs=1;
databus->ODR = (databus->ODR & 0xff00)|dat; //databus=dat;
_NOP_();
clr_e; //e=0;
_NOP_();
}
/**********************************
顯示開/關
**********************************/
void SetOnOff(uchar onoff)
{
if(onoff==1)
{
SendCommand(0x3f);
}
else
{
SendCommand(0x3e);
}
}
/**********************************
選擇頁
**********************************/
void SetLine(uchar line) //12864總共有8頁（0~7），每頁有8行
{
line=line&0x07; //只取后三位xxxx x111 ，這3個是要改變位置的數據
line=line|0xb8; //頁設置的固定格式
SendCommand(line);
}
/**********************************
選擇列
**********************************/
void SetColum(uchar colum) //12864每半屏有64列（0~63），分為左右2屏
{
colum=colum&0x3f; //xx11 1111,這個是要改變Y位置的數據
colum=colum|0x40; //固定格式
SendCommand(colum);
}
/**********************************
選擇起始行
**********************************/
void SetStartLine(uchar startline)
{
startline=startline&0x3f; //xx11 1111,這個是要改變x位置的數據
startline=startline|0xc0; //11xxxxxx，是起始行設置的固定指令
SendCommand(startline);
}
/**********************************
選擇左右屏 0：左屏，1：右屏，2：全屏
**********************************/
void SelectScreen(uchar screen)
{
switch(screen)
{
case 0:
clr_cs1; //cs1=0;
LcdDelay(2);
set_cs2; //cs2=1;
LcdDelay(2);
break;
case 1:
set_cs1; //cs1=1;
LcdDelay(2);
clr_cs2; //cs2=0;
LcdDelay(2);
break;
case 2:
clr_cs1; //cs1=0;
LcdDelay(2);
clr_cs2; //cs2=0;
LcdDelay(2);
break;
}
}
/**********************************
顯示一個英文字符
**********************************/
void Show_english(uchar line,uchar column,uchar *address)
{
uchar i;
SetLine(line);
SetColum(column);
for(i=0;i<8;i++)
{
WriteData(*address);
address++;
}
SetLine(line+1);
SetColum(column);
for(i=0;i<8;i++)
{
WriteData(*address);
address++;
}
}
/**********************************
清屏
**********************************/
void ClearScreen(uchar screen)
{
uchar i,j;
SelectScreen(screen);
for(i=0;i<8;i++)
{
SetLine(i);
SetColum(0);
for(j=0;j<64;j++)
{
WriteData(0);
}
}
}
/**********************************
12864初始化
**********************************/
void InitLcd()
{
SetOnOff(0); //顯示關
ClearScreen(2); //清屏
SetLine(0); //頁設置
SetColum(0); //列設置
SetStartLine(0); //設置起始頁
SetOnOff(1); //顯示開
}
TIM_HandleTypeDef htim1;
void SystemClock_Config(void);
void Error_Handler(void);
static void MX_TIM1_Init(void);
static void MX_GPIO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStruct;
__HAL_RCC_GPIOA_CLK_ENABLE();
__HAL_RCC_GPIOB_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
//HAL_GPIO_WritePin(LED_GPIO_Port, LED_Pin, GPIO_PIN_RESET);
//HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0, GPIO_PIN_SET);
GPIO_InitStruct.Pin = GPIO_PIN_0;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
//HAL_GPIO_WritePin(GPIOB, GPIO_PIN_1, GPIO_PIN_SET);
GPIO_InitStruct.Pin = GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7;;
HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
//HAL_GPIO_WritePin(GPIOC, GPIO_PIN_13, GPIO_PIN_SET);
GPIO_InitStruct.Pin = GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
}
uchar hzk[]=
{
/*-- 文字: I --*/
/*-- 宋體12; 此字體下對應的點陣為：寬x高=8x16 --*/
0x00,0x08,0x08,0xF8,0x08,0x08,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,
/*-- 文字: --*/
/*-- 宋體12; 此字體下對應的點陣為：寬x高=8x16 --*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
/*-- 文字: c --*/
/*-- 宋體12; 此字體下對應的點陣為：寬x高=8x16 --*/
0x00,0x00,0x00,0x80,0x80,0x80,0x00,0x00,0x00,0x0E,0x11,0x20,0x20,0x20,0x11,0x00,
/*-- 文字: a --*/
/*-- 宋體12; 此字體下對應的點陣為：寬x高=8x16 --*/
0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x19,0x24,0x22,0x22,0x22,0x3F,0x20,
/*-- 文字: n --*/
/*-- 宋體12; 此字體下對應的點陣為：寬x高=8x16 --*/
0x80,0x80,0x00,0x80,0x80,0x80,0x00,0x00,0x20,0x3F,0x21,0x00,0x00,0x20,0x3F,0x20,
/*-- 文字: --*/
/*-- 宋體12; 此字體下對應的點陣為：寬x高=8x16 --*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
/*-- 文字: m --*/
/*-- 宋體12; 此字體下對應的點陣為：寬x高=8x16 --*/
0x80,0x80,0x80,0x80,0x80,0x80,0x80,0x00,0x20,0x3F,0x20,0x00,0x3F,0x20,0x00,0x3F,
/*-- 文字: a --*/
/*-- 宋體12; 此字體下對應的點陣為：寬x高=8x16 --*/
0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x19,0x24,0x22,0x22,0x22,0x3F,0x20,
/*-- 文字: k --*/
/*-- 宋體12; 此字體下對應的點陣為：寬x高=8x16 --*/
0x08,0xF8,0x00,0x00,0x80,0x80,0x80,0x00,0x20,0x3F,0x24,0x02,0x2D,0x30,0x20,0x00,
/*-- 文字: e --*/
/*-- 宋體12; 此字體下對應的點陣為：寬x高=8x16 --*/
0x00,0x00,0x80,0x80,0x80,0x80,0x00,0x00,0x00,0x1F,0x22,0x22,0x22,0x22,0x13,0x00,
/*-- 文字: --*/
/*-- 宋體12; 此字體下對應的點陣為：寬x高=8x16 --*/
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
/*-- 文字: i --*/
/*-- 宋體12; 此字體下對應的點陣為：寬x高=8x16 --*/
0x00,0x80,0x98,0x98,0x00,0x00,0x00,0x00,0x00,0x20,0x20,0x3F,0x20,0x20,0x00,0x00,
/*-- 文字: t --*/
/*-- 宋體12; 此字體下對應的點陣為：寬x高=8x16 --*/
0x00,0x80,0x80,0xE0,0x80,0x80,0x00,0x00,0x00,0x00,0x00,0x1F,0x20,0x20,0x00,0x00,
};
int main(void)
{
uchar i,line,colum,j ;
uchar *address ;
HAL_Init();
SystemClock_Config();
MX_GPIO_Init();
while (1)
{
line=4;
colum=0;
address=hzk;
SetOnOff(1);
for(i=0;i<13;i++)
{
if(i<8)
{
SelectScreen(0);
Show_english(line,colum,address);
address+=16;
colum+=8;
}
else
{
SelectScreen(1);
Show_english(line,colum,address);
address+=16;
colum+=8;
}
}
for(i = 0;i < 50;i ++) LcdDelay(30000); //延時
}
}
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct;
RCC_ClkInitTypeDef RCC_ClkInitStruct;
/**Initializes the CPU, AHB and APB busses clocks
*/
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
RCC_OscInitStruct.HSIState = RCC_HSI_ON;
RCC_OscInitStruct.HSICalibrationValue = 16;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}
/**Initializes the CPU, AHB and APB busses clocks
*/
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)
{
Error_Handler();
}
/**Configure the Systick interrupt time
*/
HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
/**Configure the Systick
*/
HAL_SYSTICK_CLKSourceConfig(SYSTICK_CLKSOURCE_HCLK);
/* SysTick_IRQn interrupt configuration */
HAL_NVIC_SetPriority(SysTick_IRQn, 0, 0);
}
/* TIM1 init function */
static void MX_TIM1_Init(void)
{
TIM_ClockConfigTypeDef sClockSourceConfig;
TIM_MasterConfigTypeDef sMasterConfig;
htim1.Instance = TIM1;
htim1.Init.Prescaler = 0;
htim1.Init.CounterMode = TIM_COUNTERMODE_UP;
htim1.Init.Period = 0;
htim1.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
htim1.Init.RepetitionCounter = 0;
if (HAL_TIM_Base_Init(&htim1) != HAL_OK)
{
Error_Handler();
}
sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
if (HAL_TIM_ConfigClockSource(&htim1, &sClockSourceConfig) != HAL_OK)
{
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