oled initialization with ssd1306

oled-main with structure
ssd1306 initialization

oled/oled.c

@@ -0,0 +1,59 @@
+#include <stdlib.h>
+#include "oled.h"
+#include "ssd1306.h"
+
+HAL_StatusTypeDef oled_Config(OLED_HandleTypeDef *hOled, uint8_t DevAddress, uint8_t Width, uint8_t Height, OLED_DisplayTypeDef OledType)
+{
+    if (hOled == NULL || Width == 0 || Height == 0 || OledType == UNKNOWN)
+    {
+        return HAL_ERROR;
+    }
+
+    hOled->DevAddress = DevAddress;
+    hOled->Width = Width;
+    hOled->Height = Height;
+    hOled->OledType = OledType;
+    hOled->Buffer = (uint8_t *)malloc(Width * ((Height + 7) / 8));
+
+    if (hOled->Buffer == NULL)
+    {
+        return HAL_ERROR;
+    }
+
+    return HAL_OK;
+}
+
+void oled_init(OLED_HandleTypeDef *hOled, I2C_HandleTypeDef *hi2c)
+{
+    if (hOled == NULL || hi2c == NULL)
+    {
+        return;
+    }
+
+    if (hOled->Buffer == NULL)
+    {
+        return;
+    }
+
+    hOled->hi2c = hi2c;
+
+    switch (hOled->OledType)
+    {
+    case SSD1306:
+        SSD1306_Init(hOled);
+        break;
+    case SH1106:
+        SH1106_Init(hOled);
+        break;
+
+    default:
+        break;
+    }
+}
+
+int main(void)
+{
+
+    OLED_HandleTypeDef display;
+    oled_Config(&display, 0x3C, 128, 64, SH1106);
+}