In class work

4 files changed, 37 insertions, 4 deletions

diff --git a/project/Core/Inc/Homework/printf.h b/project/Core/Inc/Homework/printf.h
index 48952dc..4772dfd 100644
--- a/project/Core/Inc/Homework/printf.h
+++ b/project/Core/Inc/Homework/printf.h
@@ -9,5 +9,6 @@
 #define INC_ACTIVITIES_PRINTF_H_
 
 int printf(const char *format, ...);
+int puts(const char *string);
 
 #endif /* INC_ACTIVITIES_PRINTF_H_ */
diff --git a/project/Core/Src/Activties/activity1.txt b/project/Core/Src/Activties/activity1.txt
new file mode 100644
index 0000000..8a46d68
--- /dev/null
+++ b/project/Core/Src/Activties/activity1.txt
@@ -0,0 +1,25 @@
+73 - 64 = 9
+9 - 8 = 1
+
+0100 1001
+
+2^2 + 2^3 + 2^0
+4     9
+0x49
+
+
+-5
+
+0000 0000
+0000 0101
+1111 1011
+
+8 + 4 + 2 + 1 = F
+8 + 2 + 1     = B
+
+0xFB
+
+0b 1101 0110
+2 + 4 + 16 + 64 + 128 = 
+
+0xD6
\ No newline at end of file
diff --git a/project/Core/Src/Homework/printf.c b/project/Core/Src/Homework/printf.c
index 56216ad..60605f8 100644
--- a/project/Core/Src/Homework/printf.c
+++ b/project/Core/Src/Homework/printf.c
@@ -7,10 +7,19 @@
 
 #include <stdio.h>
 #include <stdarg.h>
+#include <string.h>
 #include "UART.h"
 #include "printf.h"
 
-char buffer[80];
+char buffer[120];
+
+int puts(const char *string) {
+	int n = strlen(string);
+	USART_Write(USART2, (unsigned char *) string, n);
+	USART_Write(USART2, (unsigned char *) "\n", 1);
+	return n + 1;
+}
+
 int printf(const char *format, ...) {
 	va_list args;
 	va_start(args, format);
diff --git a/project/Core/Src/main.c b/project/Core/Src/main.c
index f8709f3..1b6d449 100644
--- a/project/Core/Src/main.c
+++ b/project/Core/Src/main.c
@@ -18,9 +18,7 @@ int main(void){
 	LED_Init();
 	UART2_Init();
 	
-	int a = 1;
-	int b = 2;
-	printf("Hello %i %i \n\r", a, b);
+	printf("Hello world \r\n");
 
 	// application run function
 	//	run_demo() ;