sam0/applications/edbg_twi_information_interface/main.c File Reference

SAM EDBG TWI Information Interface Example.

Copyright (c) 2014-2018 Microchip Technology Inc. and its subsidiaries.

#include <asf.h>
#include <string.h>
#include "conf_uart_serial.h"

Macros
#define	EDBG_ADDRESS   0x28;
	EDBG TWI interface address. More...
#define	EDBG_EXTEN_BOARDS_TOKEN   0xE1;
	Request token of EDBG TWI information interface. More...
#define	EDBG_KIT_DATA_TOKEN   0xD2;
#define	STRING_EOL   "\r"
#define	STRING_HEADER
#define	TIMEOUT   1000

Functions
static void	configure_console (void)
	Configure UART console. More...
static void	configure_i2c_master (void)
	Function for configuring I2C master module. More...
static void	decode_board_info (uint8_t *buffer)
	Function for show the extension boards information. More...
int	main (void)
	Main application. More...
static void	show_extension_boards_information (void)
	Function for show the extension boards information. More...

Variables
static struct usart_module	cdc_uart_module
uint8_t	extension_info [64]
uint8_t	extension_map [2]
	Extension board info structure. More...
struct i2c_master_module	i2c_master_instance
	I2C related structure. More...
struct i2c_master_packet	master_packet
uint16_t	maximum_voltage
uint16_t	minimum_current
uint16_t	minimum_voltage
uint8_t	read_buffer [1024]
	Read buffer. More...

#define EDBG_ADDRESS   0x28;

EDBG TWI interface address.

Referenced by show_extension_boards_information().

#define EDBG_EXTEN_BOARDS_TOKEN   0xE1;

Request token of EDBG TWI information interface.

Referenced by show_extension_boards_information().

#define EDBG_KIT_DATA_TOKEN   0xD2;

#define STRING_EOL   "\r"

#define STRING_HEADER

Value:

"-- EDBG TWI Information Interface Example --\r\n" \
        "-- "BOARD_NAME" --\r\n" \
        "-- Compiled: "__DATE__" "__TIME__" --"STRING_EOL

Referenced by main().

#define TIMEOUT   1000

Referenced by show_extension_boards_information().

static void configure_console ( void  )

static

Configure UART console.

References usart_config::baudrate, cdc_uart_module, CONF_STDIO_BAUDRATE, CONF_STDIO_MUX_SETTING, CONF_STDIO_PINMUX_PAD0, CONF_STDIO_PINMUX_PAD1, CONF_STDIO_PINMUX_PAD2, CONF_STDIO_PINMUX_PAD3, CONF_STDIO_USART_MODULE, usart_config::mux_setting, usart_config::pinmux_pad0, usart_config::pinmux_pad1, usart_config::pinmux_pad2, usart_config::pinmux_pad3, usart_enable(), and usart_get_config_defaults().

static void configure_i2c_master ( void  )

static

Function for configuring I2C master module.

This function will configure the I2C master module with the SERCOM module to be used and pinmux settings

References i2c_master_enable(), i2c_master_get_config_defaults(), i2c_master_init(), i2c_master_instance, i2c_master_config::pinmux_pad0, and i2c_master_config::pinmux_pad1.

static void decode_board_info ( uint8_t *  buffer )

static

Function for show the extension boards information.

show extension boards information

References extension_info, i, maximum_voltage, minimum_current, minimum_voltage, and printf.

Referenced by show_extension_boards_information().

int main

(

void

)

Main application.

References configure_console(), configure_i2c_master(), show_extension_boards_information(), STRING_HEADER, and system_init().

static void show_extension_boards_information ( void  )

static

Function for show the extension boards information.

Send the request token

Get the extension boards info

Check and show info

show extension board info

References i2c_master_packet::address, i2c_master_packet::data, i2c_master_packet::data_length, decode_board_info(), EDBG_ADDRESS, EDBG_EXTEN_BOARDS_TOKEN, extension_map, i2c_master_packet::high_speed, i2c_master_packet::hs_master_code, i, i2c_master_instance, i2c_master_read_packet_wait(), i2c_master_write_packet_wait_no_stop(), j, master_packet, printf, read_buffer, STATUS_OK, i2c_master_packet::ten_bit_address, and TIMEOUT.

Referenced by main().

struct usart_module cdc_uart_module

static

uint8_t extension_info[64]

Referenced by _decode_board_info(), and decode_board_info().

uint8_t extension_map[2]

Extension board info structure.

Referenced by io1_board_get_info(), and show_extension_boards_information().

struct i2c_master_module i2c_master_instance

I2C related structure.

struct i2c_master_packet master_packet

Referenced by show_extension_boards_information().

uint16_t maximum_voltage

Referenced by decode_board_info().

uint16_t minimum_current

Referenced by decode_board_info().

uint16_t minimum_voltage

Referenced by decode_board_info().

uint8_t read_buffer[1024]

Read buffer.