Diff: main.cpp

Revision:

0:1aba40096cb1

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Aug 05 06:17:37 2022 +0000
@@ -0,0 +1,90 @@
+
+//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, ...) {}
+
+
+
+