File content as of revision 0:1aba40096cb1:

//HAL_oled_16x24_010_1


#include "mbed.h"
#include "SSD1308.h"


#define ADDR        (0x70<<1)  //  address

int main() {

    __HAL_RCC_GPIOA_CLK_ENABLE();

    GPIO_InitTypeDef GPIO_InitStruct = {0};

    GPIO_InitStruct.Pin = GPIO_PIN_9|GPIO_PIN_10;
    GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
    GPIO_InitStruct.Pull = GPIO_PULLUP;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
    GPIO_InitStruct.Alternate = GPIO_AF1_I2C1;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    GPIO_InitStruct.Pin = GPIO_PIN_4;
    GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
    GPIO_InitStruct.Pull = GPIO_NOPULL;
    GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
    HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

    __HAL_RCC_I2C1_CLK_ENABLE();


    I2C_HandleTypeDef hi2c1;

    hi2c1.Instance = I2C1;
    hi2c1.Init.Timing = 0x00000708;
    hi2c1.Init.OwnAddress1 = 0;
    hi2c1.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
    hi2c1.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
    hi2c1.Init.OwnAddress2 = 0;
    hi2c1.Init.OwnAddress2Masks = I2C_OA2_NOMASK;
    hi2c1.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
    hi2c1.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
    HAL_I2C_Init(&hi2c1);    

    HAL_I2CEx_ConfigAnalogFilter(&hi2c1, I2C_ANALOGFILTER_ENABLE);

    HAL_I2CEx_ConfigDigitalFilter(&hi2c1, 0);


wait_ms(200);


  SSD1308 oled = SSD1308( &hi2c1 , SSD1308_SA0);
  //SSD1308 oled = SSD1308( &hi2c1 , ADDR);



    //char n1_8[] = "12345678";
    char n1_8[] = "87654321";
    //char n1_8[] =   "88888888";

    int ii=0;
    for(int nn=0; nn<8; nn++) {
        //                y   x
        oled.writeBigChar(0, ii*16,n1_8[nn]);
        ii = ii + 1;
    } //for
    //pc.printf("Printed something\r\n");
//    printf("Printed something\r\n");
    
    //oled.writeString(0, 0, "Hello World !");  







}//main




//容量削減
void error(const char* format, ...) {}