From 4c7e6af00cacab1d2bdc466310929d6840d6019a Mon Sep 17 00:00:00 2001
From: sowgro <tpoke.ferrari@gmail.com>
Date: Mon, 8 Sep 2025 10:21:02 -0400
Subject: Create working printf

---
 project/.cproject                                   | 12 ++++++++++--
 .../.settings/com.st.stm32cube.ide.mcu.sfr.prefs    |  3 +++
 project/.settings/language.settings.xml             |  4 ++--
 project/.settings/org.eclipse.cdt.core.prefs        |  6 ++++++
 project/Core/Inc/Homework/printf.h                  | 13 +++++++++++++
 project/Core/Src/Homework/printf.c                  | 21 +++++++++++++++++++++
 project/Core/Src/main.c                             |  8 ++++----
 7 files changed, 59 insertions(+), 8 deletions(-)
 create mode 100644 project/.settings/com.st.stm32cube.ide.mcu.sfr.prefs
 create mode 100644 project/.settings/org.eclipse.cdt.core.prefs
 create mode 100644 project/Core/Inc/Homework/printf.h
 create mode 100644 project/Core/Src/Homework/printf.c

diff --git a/project/.cproject b/project/.cproject
index 807e262..6b0c539 100644
--- a/project/.cproject
+++ b/project/.cproject
@@ -45,9 +45,10 @@
 								<option IS_BUILTIN_EMPTY="false" IS_VALUE_EMPTY="false" id="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.includepaths.1390171442" name="Include paths (-I)" superClass="com.st.stm32cube.ide.mcu.gnu.managedbuild.tool.c.compiler.option.includepaths" useByScannerDiscovery="false" valueType="includePath">
 									<listOptionValue builtIn="false" value="../Core/Inc"/>
 									<listOptionValue builtIn="false" value="../Core/Inc/Devices"/>
+									<listOptionValue builtIn="false" value="../Core/Inc/Homework"/>
 									<listOptionValue builtIn="false" value="../Core/Inc/System"/>
 									<listOptionValue builtIn="false" value="../Core/Inc/Project"/>
-									<listOptionValue builtIn="false" value="../Core/Inc/Activites"/>
+									<listOptionValue builtIn="false" value="../Core/Inc/Activities"/>
 									<listOptionValue builtIn="false" value="../Drivers/STM32L4xx_HAL_Driver/Inc"/>
 									<listOptionValue builtIn="false" value="../Drivers/STM32L4xx_HAL_Driver/Inc/Legacy"/>
 									<listOptionValue builtIn="false" value="../Drivers/CMSIS/Device/ST/STM32L4xx/Include"/>
@@ -177,5 +178,12 @@
 			<autodiscovery enabled="false" problemReportingEnabled="true" selectedProfileId=""/>
 		</scannerConfigBuildInfo>
 	</storageModule>
-	<storageModule moduleId="refreshScope"/>
+	<storageModule moduleId="refreshScope" versionNumber="2">
+		<configuration configurationName="Debug">
+			<resource resourceType="PROJECT" workspacePath="/project"/>
+		</configuration>
+		<configuration configurationName="Release">
+			<resource resourceType="PROJECT" workspacePath="/project"/>
+		</configuration>
+	</storageModule>
 </cproject>
\ No newline at end of file
diff --git a/project/.settings/com.st.stm32cube.ide.mcu.sfr.prefs b/project/.settings/com.st.stm32cube.ide.mcu.sfr.prefs
new file mode 100644
index 0000000..26fe43b
--- /dev/null
+++ b/project/.settings/com.st.stm32cube.ide.mcu.sfr.prefs
@@ -0,0 +1,3 @@
+eclipse.preferences.version=1
+svd_custom_file_path=
+svd_file_path=platform\:/plugin/com.st.stm32cube.ide.mcu.productdb.debug/resources/cmsis/STMicroelectronics_CMSIS_SVD/STM32L476.svd
diff --git a/project/.settings/language.settings.xml b/project/.settings/language.settings.xml
index 974b8a7..ae082b2 100644
--- a/project/.settings/language.settings.xml
+++ b/project/.settings/language.settings.xml
@@ -5,7 +5,7 @@
 			<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
 			<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
 			<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
-			<provider class="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" console="false" env-hash="-905336628230113484" id="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" keep-relative-paths="false" name="MCU ARM GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
+			<provider class="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" console="false" env-hash="781097053452714720" id="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" keep-relative-paths="false" name="MCU ARM GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
 				<language-scope id="org.eclipse.cdt.core.gcc"/>
 				<language-scope id="org.eclipse.cdt.core.g++"/>
 			</provider>
@@ -16,7 +16,7 @@
 			<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
 			<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
 			<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
-			<provider class="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" console="false" env-hash="-905336628230113484" id="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" keep-relative-paths="false" name="MCU ARM GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
+			<provider class="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" console="false" env-hash="781097053452714720" id="com.st.stm32cube.ide.mcu.toolchain.armnone.setup.CrossBuiltinSpecsDetector" keep-relative-paths="false" name="MCU ARM GCC Built-in Compiler Settings" parameter="${COMMAND} ${FLAGS} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
 				<language-scope id="org.eclipse.cdt.core.gcc"/>
 				<language-scope id="org.eclipse.cdt.core.g++"/>
 			</provider>
diff --git a/project/.settings/org.eclipse.cdt.core.prefs b/project/.settings/org.eclipse.cdt.core.prefs
new file mode 100644
index 0000000..c8ec5df
--- /dev/null
+++ b/project/.settings/org.eclipse.cdt.core.prefs
@@ -0,0 +1,6 @@
+doxygen/doxygen_new_line_after_brief=true
+doxygen/doxygen_use_brief_tag=false
+doxygen/doxygen_use_javadoc_tags=true
+doxygen/doxygen_use_pre_tag=false
+doxygen/doxygen_use_structural_commands=false
+eclipse.preferences.version=1
diff --git a/project/Core/Inc/Homework/printf.h b/project/Core/Inc/Homework/printf.h
new file mode 100644
index 0000000..48952dc
--- /dev/null
+++ b/project/Core/Inc/Homework/printf.h
@@ -0,0 +1,13 @@
+/*
+ * printf.h
+ *
+ *  Created on: Sep 5, 2025
+ *      Author: sowgro
+ */
+
+#ifndef INC_ACTIVITIES_PRINTF_H_
+#define INC_ACTIVITIES_PRINTF_H_
+
+int printf(const char *format, ...);
+
+#endif /* INC_ACTIVITIES_PRINTF_H_ */
diff --git a/project/Core/Src/Homework/printf.c b/project/Core/Src/Homework/printf.c
new file mode 100644
index 0000000..56216ad
--- /dev/null
+++ b/project/Core/Src/Homework/printf.c
@@ -0,0 +1,21 @@
+/*
+ * printf.c
+ *
+ *  Created on: Sep 5, 2025
+ *      Author: sowgro
+ */
+
+#include <stdio.h>
+#include <stdarg.h>
+#include "UART.h"
+#include "printf.h"
+
+char buffer[80];
+int printf(const char *format, ...) {
+	va_list args;
+	va_start(args, format);
+	int n = vsprintf(buffer, format, args);
+	va_end(args);
+	USART_Write(USART2, (unsigned char *) buffer, n);
+	return n;
+}
diff --git a/project/Core/Src/main.c b/project/Core/Src/main.c
index c2147cd..f8709f3 100644
--- a/project/Core/Src/main.c
+++ b/project/Core/Src/main.c
@@ -18,11 +18,11 @@ int main(void){
 	LED_Init();
 	UART2_Init();
 	
-	char buffer[64];
-	int n = sprintf(buffer, "Hello\n\r");
-	USART_Write(USART2, (unsigned char *) buffer, n);
+	int a = 1;
+	int b = 2;
+	printf("Hello %i %i \n\r", a, b);
 
 	// application run function
-//	run_demo() ;
+	//	run_demo() ;
 }
 
-- 
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