[STM32C0] NUCLEO-C071RB开发板的OLED显示驱动

void OLED_config(void)

{

GPIO_InitTypeDef gpio_init_structure;

__HAL_RCC_GPIOA_CLK_ENABLE();

gpio_init_structure.Pin = GPIO_PIN_5|GPIO_PIN_6;

gpio_init_structure.Mode = GPIO_MODE_OUTPUT_PP;

gpio_init_structure.Pull = GPIO_NOPULL;

gpio_init_structure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;

HAL_GPIO_Init(GPIOA, &gpio_init_structure);

}

void OLED_Init(void)

{



Write_IIC_Command(0xAE); //display off

Write_IIC_Command(0x20); //Set Memory Addressing Mode

Write_IIC_Command(0x10);

Write_IIC_Command(0xb0);//Set Page Start Address for Page Addressing Mode,0-7

Write_IIC_Command(0xc8);//Set COM Output Scan Direction

Write_IIC_Command(0x00);//---set low column address

Write_IIC_Command(0x10);//---set high column address

Write_IIC_Command(0x40);//--set start line address

Write_IIC_Command(0x81);//--set contrast control register

Write_IIC_Command(0xdf);

Write_IIC_Command(0xa1);//--set segment re-map 0 to 127

Write_IIC_Command(0xa6);//--set normal display

Write_IIC_Command(0xa8);//--set multiplex ratio(1 to 64)

Write_IIC_Command(0x3F);

Write_IIC_Command(0xa4);//0xa4,Output follows RAM content;0xa5,Output ignores RAM content

Write_IIC_Command(0xd3);//-set display offset

Write_IIC_Command(0x00);//-not offset

Write_IIC_Command(0xd5);//--set display clock divide ratio/oscillator frequency

Write_IIC_Command(0xf0);//--set divide ratio

Write_IIC_Command(0xd9);//--set pre-charge period

Write_IIC_Command(0x22);

Write_IIC_Command(0xda);//--set com pins hardware configuration

Write_IIC_Command(0x12);

Write_IIC_Command(0xdb);//--set vcomh

Write_IIC_Command(0x20);//0x20,0.77xVcc

Write_IIC_Command(0x8d);//--set DC-DC enable

Write_IIC_Command(0x14);

Write_IIC_Command(0xaf);//--turn on oled panel

}

void Write_IIC_Byte(unsigned char IIC_Byte)

{

unsigned char i;

unsigned char m,da;

da=IIC_Byte;

OLED_SCLK_Clr();

for(i=0;i<8;i++)

{

m=da;

m=m&0x80;

if(m==0x80)

{OLED_SDIN_Set();}

else OLED_SDIN_Clr();

da=da<<1;

OLED_SCLK_Set();

OLED_SCLK_Clr();

}

}

void OLED_Clear(void)

{

uint8_t i,n;

for(i=0;i<8;i++)

{

OLED_WR_Byte (0xb0+i,OLED_CMD);

OLED_WR_Byte (0x00,OLED_CMD);

OLED_WR_Byte (0x10,OLED_CMD);

for(n=0;n<128;n++)OLED_WR_Byte(0,OLED_DATA);

}

}

void OLED_ShowChar(uint8_t x,uint8_t y,uint8_t chr,uint8_t Char_Size)

{

unsigned char c=0,i=0;

c=chr-' ';

if(x>Max_Column-1){x=0;y=y+2;}

if(Char_Size ==16)

{

OLED_Set_Pos(x,y);

for(i=0;i<8;i++)

OLED_WR_Byte(F8X16[c*16+i],OLED_DATA);

OLED_Set_Pos(x,y+1);

for(i=0;i<8;i++)

OLED_WR_Byte(F8X16[c*16+i+8],OLED_DATA);

}

else {

OLED_Set_Pos(x,y);

for(i=0;i<6;i++)

OLED_WR_Byte(F6x8[c][i],OLED_DATA);

}

}

void OLED_ShowString(uint8_t x,uint8_t y,uint8_t *chr,uint8_t Char_Size)

{

unsigned char j=0;

while (chr[j]!='\0')

{OLED_ShowChar(x,y,chr[j],Char_Size);

x+=8;

if(x>120){x=0;y+=2;}

j++;

}

}

int main(void)

{

HAL_Init();

SystemClock_Config();

BSP_LED_Init(LED1);

OLED_config();

OLED_Init();

OLED_Clear();

OLED_ShowString(0,0,"STM32C071",16);

OLED_ShowString(0,2,"OLED TEST",16);

EXTI4_15_IRQHandler_Config();

while (1);

}