afec_example1.c File Reference

AFEC temperature sensor example for SAM.

Copyright (c) 2013-2018 Microchip Technology Inc. and its subsidiaries.

#include <stdio.h>
#include <string.h>
#include <assert.h>
#include "asf.h"

Macros
#define	MAX_DIGITAL   (4095UL)
	The maximal digital value. More...
#define	STRING_EOL   "\r"
#define	STRING_HEADER
#define	VOLT_REF   (3300)
	Reference voltage for AFEC,in mv. More...

Functions
static void	afec_temp_sensor_end_conversion (void)
	AFEC interrupt callback function. More...
static void	configure_console (void)
	Configure UART console. More...
int	main (void)
	Application entry point. More...

Variables
volatile uint32_t	g_ul_value = 0
	The conversion data value. More...
volatile bool	is_conversion_done = false
	The conversion data is done flag. More...

#define MAX_DIGITAL   (4095UL)

The maximal digital value.

Referenced by main().

#define STRING_EOL   "\r"

#define STRING_HEADER

Value:

"-- AFEC Temperature Sensor Example --\r\n" \
        "-- "BOARD_NAME" --\r\n" \
        "-- Compiled: "__DATE__" "__TIME__" --"STRING_EOL

Referenced by main().

#define VOLT_REF   (3300)

Reference voltage for AFEC,in mv.

Referenced by main().

static void afec_temp_sensor_end_conversion ( void  )

static

AFEC interrupt callback function.

References afec_channel_get_value(), g_ul_value, and is_conversion_done.

Referenced by main().

static void configure_console ( void  )

static

Configure UART console.

References uart_rs232_options::baudrate, CONF_UART, CONF_UART_BAUDRATE, CONF_UART_CHAR_LENGTH, CONF_UART_PARITY, CONF_UART_STOP_BITS, CONSOLE_UART_ID, stdio_serial_init(), and sysclk_enable_peripheral_clock().

Referenced by main().

int main

(

void

)

Application entry point.

Returns

Unused (ANSI-C compatibility).

References afec_ch_get_config_defaults(), afec_ch_set_config(), afec_channel_set_analog_offset(), afec_enable(), AFEC_GAINVALUE_0, afec_get_config_defaults(), afec_init(), afec_set_callback(), afec_set_trigger(), afec_temp_sensor_end_conversion(), afec_temp_sensor_get_config_defaults(), afec_temp_sensor_set_config(), AFEC_TRIG_SW, board_init(), configure_console(), g_ul_value, afec_ch_config::gain, is_conversion_done, MAX_DIGITAL, afec_temp_sensor_config::rctc, STRING_HEADER, sysclk_init(), and VOLT_REF.

volatile uint32_t g_ul_value = 0

The conversion data value.

Referenced by afec_temp_sensor_end_conversion(), and main().

volatile bool is_conversion_done = false

The conversion data is done flag.

Referenced by afec_temp_sensor_end_conversion(), and main().