e54 i2c detect working

e54/asf4/drivers/p_i2c.c

@@ -1,4 +1,6 @@
 #include "p_i2c.h"
+#include "hal_i2c_m_sync.h"
+#include "p_usart.h"
 
 
 void p_i2c_init(void)
@@ -9,11 +11,38 @@ void p_i2c_init(void)
 
 int p_i2c_write(const uint8_t* const data, uint16_t data_len)
 {
-	io_write(&I2C_0.io, data, data_len);
-	return 0;
+	return io_write(&I2C_0.io, data, data_len);
 }
 
 int p_i2c_read(uint8_t* data, uint16_t len)
 {
-	return 0;
+	return io_read(&I2C_0.io, data, len);
+}
+
+void p_i2c_scan(void)
+{
+	PDEBUG("   ");
+	for(int ind = 0; ind < 16; ind++)
+	{
+		PDEBUG(" %02x", ind);
+	}
+	uint8_t data = 0x00;
+	for(int ind = 0; ind <= 119; ind++)
+	{
+		if (ind % 16 == 0)
+		{
+			PDEBUG("\r\n%02x:", ind & 0xF0);
+		}
+		i2c_m_sync_set_slaveaddr(&I2C_0, ind, I2C_M_SEVEN);
+		int ret = p_i2c_write(&data, 1);
+		if(ret != 1)
+		{
+			PDEBUG(" --");
+		}
+		else
+		{
+			PDEBUG(" %02x", ind);
+		}
+	}
+	PDEBUG("\r\n");
 }

e54/asf4/drivers/p_i2c.h

@@ -11,4 +11,6 @@ void p_i2c_init(void);
 int p_i2c_write(const uint8_t* const data, uint16_t data_len);
 
 int p_i2c_read(uint8_t* data, uint16_t len);
+
+void p_i2c_scan(void);
 #endif

e54/asf4/drivers/p_usart.c

@@ -12,7 +12,6 @@
 void p_usart_init(void)
 {
 	usart_sync_enable(&USART_0);
-	PDEBUG("Hello world\n");
 }
 
 

e54/asf4/gcc/Makefile

@@ -1,7 +1,8 @@
 ################################################################################
 # Automatically-generated file. Do not edit!
 ################################################################################
-
+GDB=arm-none-eabi-gdb
+SIZE=arm-none-eabi-size
 ifdef SystemRoot
 	SHELL = cmd.exe
 	MK_DIR = mkdir
@@ -262,3 +263,15 @@ clean:
 	rm -f $(OUTPUT_FILE_NAME).a $(OUTPUT_FILE_NAME).hex $(OUTPUT_FILE_NAME).bin \
         $(OUTPUT_FILE_NAME).lss $(OUTPUT_FILE_NAME).eep $(OUTPUT_FILE_NAME).map \
         $(OUTPUT_FILE_NAME).srec
+
+push:\
+all
+	@echo $(QUOTE)$(QUOTE)
+	@echo $(QUOTE)Uploading $(OUTPUT_FILE_NAME).elf...$(QUOTE)
+	@$(GDB) $(OUTPUT_FILE_NAME).elf -x $(QUOTE)hw_interfacing_scripts/gdb/generic_push.gdb$(QUOTE) >/dev/null
+	@echo $(QUOTE)$(QUOTE)$(OUTPUT_FILE_NAME).elf $(QUOTE) uploaded!$(QUOTE)
+	@$(QUOTE)$(SIZE)$(QUOTE) $(QUOTE)$(OUTPUT_FILE_NAME).elf$(QUOTE)
+
+debug:\
+all
+	@$(GDB) $(OUTPUT_FILE_NAME).elf -x $(QUOTE)hw_interfacing_scripts/gdb/generic_debug.gdb$(QUOTE)

e54/asf4/gcc/drivers/p_i2c.d

@@ -86,7 +86,8 @@ drivers/p_i2c.d drivers/p_i2c.o: ../drivers/p_i2c.c ../drivers/p_i2c.h \
  ../hal/include/hal_io.h ../hal/include/hal_sleep.h \
  ../hal/include/hal_usart_sync.h ../hal/include/hal_io.h \
  ../hal/include/hpl_usart_sync.h ../hal/include/hpl_usart.h \
- ../hal/include/hal_i2c_m_sync.h ../hal/include/hpl_i2c_m_sync.h
+ ../hal/include/hal_i2c_m_sync.h ../hal/include/hpl_i2c_m_sync.h \
+ ../drivers/p_usart.h
 ../drivers/p_i2c.h:
 ../driver_init.h:
 ../atmel_start_pins.h:
@@ -269,3 +270,4 @@ drivers/p_i2c.d drivers/p_i2c.o: ../drivers/p_i2c.c ../drivers/p_i2c.h \
 ../hal/include/hpl_usart.h:
 ../hal/include/hal_i2c_m_sync.h:
 ../hal/include/hpl_i2c_m_sync.h:
+../drivers/p_usart.h:

e54/asf4/gcc/gcc/hw_interfacing_scripts

@@ -0,0 +1 @@
+/home/penguin/Projects/hw_interfacing_scripts

e54/asf4/gcc/hw_interfacing_scripts

@@ -0,0 +1 @@
+/home/penguin/Projects/hw_interfacing_scripts

e54/asf4/main.c

@@ -13,7 +13,14 @@ int main(void)
 	/* Initializes MCU, drivers and middleware */
 	atmel_start_init();
 	project_init();
-	PDEBUG("Hi there\n");
+	PDEBUG("--- I2C Detect ----\r\n\r\n");
+	// clear line
+	PDEBUG("%c[2K", 27);
+	// reset cursor pos
+	PDEBUG("%c[u", 27);
+	// moves cursor one down
+	PDEBUG("%c[1B", 27);
+	p_i2c_scan();
 
 	/* Replace with your application code */
 	while (1) {