From e9dee893036098e3c1c376f9191ced716456a9be Mon Sep 17 00:00:00 2001
From: Mikhail <ppdisk@mail.ru>
Date: Wed, 11 Jun 2025 00:30:54 +0300
Subject: [PATCH] Release 0.1

---
 Inc/DS_I2CScanner.h |  9 +++------
 Src/DS_I2CScanner.c | 23 +++++++++++++++++++++--
 2 files changed, 24 insertions(+), 8 deletions(-)

diff --git a/Inc/DS_I2CScanner.h b/Inc/DS_I2CScanner.h
index 5b5908a..ebd55b1 100644
--- a/Inc/DS_I2CScanner.h
+++ b/Inc/DS_I2CScanner.h
@@ -4,16 +4,13 @@
 #include "main.h"
 
 #ifdef STM32G0
-    #include "stm32g0xx_hal.h"
+#include "stm32g0xx_hal.h"
 #endif
 
 #ifdef STM32F0
-    #include "stm32f0xx_hal.h"
+#include "stm32f0xx_hal.h"
 #endif
 
-
-void DS_I2CScan(I2C_HandleTypeDef* I2C);
-
-
+void DS_I2CScan(I2C_HandleTypeDef *I2C, uint8_t *Result, uint8_t maxNumResults);
 
 #endif
\ No newline at end of file
diff --git a/Src/DS_I2CScanner.c b/Src/DS_I2CScanner.c
index fb5d0d0..e80781a 100644
--- a/Src/DS_I2CScanner.c
+++ b/Src/DS_I2CScanner.c
@@ -1,6 +1,25 @@
 #include "DS_I2CScanner.h"
 
-void DS_I2CScan(I2C_HandleTypeDef *I2C)
+void DS_I2CScan(I2C_HandleTypeDef *I2C, uint8_t *Result, uint8_t maxNumResults)
 {
-    
+  HAL_StatusTypeDef HAL_result = HAL_ERROR;
+  uint8_t NumOfResult = 0;
+
+  for (uint8_t i = 0; i < maxNumResults - 1; i++)
+  {
+    Result[i] = 0;
+  }
+
+  for (uint8_t addr = 0; addr < 0xFF; ++addr)
+  {
+    HAL_result = HAL_I2C_IsDeviceReady(I2C, addr, 3, 1000);
+    if (HAL_result == HAL_OK)
+    {
+      Result[NumOfResult] = addr;
+      if (NumOfResult < maxNumResults - 1)
+      {
+        NumOfResult++;
+      }
+    }
+  }
 }
\ No newline at end of file