acc_example.c File Reference

Analog Comparator Controller (ACC) example for SAM.

Copyright (c) 2011-2018 Microchip Technology Inc. and its subsidiaries.

#include <asf.h>
#include <stdio_serial.h>
#include <conf_board.h>
#include <conf_clock.h>

Macros
#define	ADC_CLOCK   6400000
	The ADC Clock value. More...
#define	ADC_STARTUP_TIME_SETTING   0x8u
	The ADC Start Up Time value. More...
#define	ADC_TRACK_SETTING   0x0u
	The ADC Start Up Time value. More...
#define	ADC_TRANSFER_SETTING   0x1u
	The ADC Start Up Time value. More...
#define	DACC_ANALOG_CONTROL
	Analog control value. More...
#define	DACC_CHANNEL_0   0
	The DAC Channel value. More...
#define	MAX_DIGITAL   (4095)
	The maximal digital value. More...
#define	STRING_EOL   "\r"
#define	STRING_HEADER
#define	VOLT_REF   (3300)
	Reference voltage for DACC,in mv. More...

Functions
void	ACC_Handler (void)
	Interrupt handler for the ACC. More...
static void	configure_console (void)
	[acc_irq_handler_end] More...
static void	dsplay_menu (void)
	Display main menu. More...
static int16_t	get_input_voltage (void)
	Get voltage from user input, the input range is: (1/6)*ADVREF~(5/6)*ADVREF (mv) More...
int	main (void)
	ACC example application entry point. More...

#define ADC_CLOCK   6400000

The ADC Clock value.

Referenced by main().

#define ADC_STARTUP_TIME_SETTING   0x8u

The ADC Start Up Time value.

Referenced by main().

#define ADC_TRACK_SETTING   0x0u

The ADC Start Up Time value.

Referenced by main().

#define ADC_TRANSFER_SETTING   0x1u

The ADC Start Up Time value.

Referenced by main().

#define DACC_ANALOG_CONTROL

Value:

(DACC_ACR_IBCTLCH0(0x02) \
                          | DACC_ACR_IBCTLCH1(0x02) \
                          | DACC_ACR_IBCTLDACCORE(0x01))

Analog control value.

Referenced by main().

#define DACC_CHANNEL_0   0

The DAC Channel value.

Referenced by main().

#define MAX_DIGITAL   (4095)

The maximal digital value.

Referenced by main().

#define STRING_EOL   "\r"

#define STRING_HEADER

Value:

"-- ACC IRQ Example  --\r\n" \
        "-- "BOARD_NAME" --\r\n" \
        "-- Compiled: "__DATE__" "__TIME__" --"STRING_EOL

Referenced by main().

#define VOLT_REF   (3300)

Reference voltage for DACC,in mv.

Referenced by get_input_voltage(), and main().

void ACC_Handler

(

void

)

Interrupt handler for the ACC.

[acc_irq_handler_start]

[acc_irq_handler_start]

[acc_irq_handler_status]

Compare Output Interrupt

[acc_irq_handler_status] [acc_irq_handler_result_1]

[acc_irq_handler_result_1]

[acc_irq_handler_result_2]

[acc_irq_handler_result_2]

[acc_irq_handler_result_3]

[acc_irq_handler_result_3] [acc_irq_handler_result_end]

[acc_irq_handler_result_end] [acc_irq_handler_end]

static void configure_console ( void  )

static

[acc_irq_handler_end]

Configure UART console.

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

Referenced by main().

static void dsplay_menu ( void  )

static

Display main menu.

Referenced by main().

static int16_t get_input_voltage ( void  )

static

Get voltage from user input, the input range is: (1/6)*ADVREF~(5/6)*ADVREF (mv)

References uart_read(), us_value, and VOLT_REF.

Referenced by main().

int main

(

void

)

ACC example application entry point.

Returns

Unused (ANSI-C compatibility).

[acc_enable_clock]

Enable clock for ACC

[acc_enable_clock]

[acc_init]

Initialize ACC

[acc_init]

[acc_irq_enable]

Enable ACC interrupt

Enable

[acc_irq_enable]

References acc_enable_interrupt(), acc_init(), ADC_CLOCK, adc_enable_channel(), adc_get_channel_value(), adc_get_status(), adc_start(), ADC_STARTUP_TIME_SETTING, ADC_TRACK_SETTING, ADC_TRANSFER_SETTING, board_init(), configure_console(), DACC_ANALOG_CONTROL, DACC_CHANNEL_0, dacc_disable_trigger(), dacc_enable_channel(), dacc_reset(), dacc_set_analog_control(), dacc_set_channel_selection(), dacc_set_power_save(), dacc_set_timing(), dacc_set_transfer_mode(), dacc_write_conversion_data(), dsplay_menu(), get_input_voltage(), MAX_DIGITAL, pmc_enable_periph_clk(), STRING_HEADER, sysclk_get_cpu_hz(), sysclk_init(), uart_read(), and VOLT_REF.