Cleaning up

ArduinoZeroTemplate.c

-/*
- * ArduinoZeroTemplate.c
- *
- * Created: 2020-12-09 09:56:19
- *  Author: ilosz01
- */ 
-
-#include <asf.h>
-#include "ArduinoZeroTemplate.h"
-
-
-// Globala variabler
-// Instances for peripherals. One for each used.
-struct rtc_module rtc_instance_struct;
-//struct spi_module spi1_instance_struct;
-uint32_t t1ms_timer = 0;
-
-
-void ArduinoZeroTemplate(void)
-{
-	
-	while (true)
-	{
-
-	}// end while (true) infinite loop
-}// end ArduinoZeroTemplate
-
-void ArduinoZeroTemplateInit(void)
-{
-	// Temporary Configuration structures
-	struct rtc_count_config rtc_count_config_struct;
-	// If used: struct spi_config spi_config_struct;
-
-	// I/O
-		// Set pin input/output directions.
-		// For outputs, only the direction bit needs to be set.
-		// For inputs direction bit is already set but the input buffer must be enabled.
-		// Most pin functions is set through the PINCFG registers, one for each pin.
-
-		// Before writing to any port registers, enable constant input sampling on pins that shall be able to use the faster IOBUS.
-			// Note: Only Data Output Value, Data Input Value and Pin Direction registers can be accessed through IOBUS operation.
-			PORT_SET_CTRLSAMPLING(LED0_PIN_PORTNR,LED_0_PIN);
-			PORT_SET_CTRLSAMPLING(MY_OUTPUT_PIN_PORTNR,MY_OUTPUT_PIN);
-			PORT_SET_CTRLSAMPLING(MY_INPUT_PIN_PORTNR,MY_INPUT_PIN);
-
-		// Configure output pins
-			// To in all circumstances avoid glitches, set the default value of the pin before setting the direction. 
-			PORT_CLR_PIN(LED0_PIN_PORTNR,LED_0_PIN);							// LED
-			PORT_OUTPUT_PIN(LED0_PIN_PORTNR,LED_0_PIN);
-//			PORT_SET_PIN(MY_OUTPUT_PIN_PORTNR,MY_OUTPUT_PIN)			// MY_OUTPUT
-//			PORT_OUTPUT_PIN(MY_OUTPUT_PIN_PORTNR,MY_OUTPUT_PIN);
-
-		// Configure input pins
-			// All IN-buffers for pins used as inputs must be enabled. This is controlled through the PINCFG.INEN bit
-			PORT_INPUT_PIN(MY_INPUT_PIN_PORTNR,MY_INPUT_PIN);		// MY_INPUT
-			PORT_INPUT_PIN_EN(MY_INPUT_PIN_PORTNR,MY_INPUT_PIN);
-
-	// End I/O configuration
-
-	// RTC
-		// Time is measured by saving start time and then compare desired time with current time.
-		rtc_count_get_config_defaults(&rtc_count_config_struct);
-		// Clock source is hardcoded to GCLK_2 in rtc_count_init and set to prescaler of 1 in Channel8ForceClocks.h
-		rtc_count_config_struct.mode = RTC_COUNT_MODE_32BIT;
-		rtc_count_config_struct.prescaler = RTC_COUNT_PRESCALER_DIV_4;	// 32kHz/1/4 ~ 12,2 s
-		rtc_count_config_struct.clear_on_match = false;
-		//rtc_count_config_struct.continuously_update = true;
-		//rtc_count_config_struct.enable_read_sync = true;
-		rtc_count_init(&rtc_instance_struct, RTC, &rtc_count_config_struct);
-		rtc_count_enable(&rtc_instance_struct);
-	
-	// USART 1
-		/* If used
-		// I/O does not need top be defined separately for USARTS. Is done automatically when defining the use (SPI) below.
-		port_get_config_defaults(&port_config_struct);
-		port_config_struct.direction  = PORT_PIN_DIR_OUTPUT;
-		port_pin_set_config(SCK, &port_config_struct);		// SCK, Mode 1. Normally low, trigg negative edge. CPOL=0, CPHA=1
-		port_pin_set_config(MOSI, &port_config_struct);
-		*/
-
-	// SPI
-		/* If used
-		spi_get_config_defaults(&spi_config_struct);
-		spi_config_struct.generator_source = GCLK_GENERATOR_3;
-		spi_config_struct.mode             = SPI_MODE_MASTER;
-		spi_config_struct.data_order       = SPI_DATA_ORDER_MSB;
-		spi_config_struct.transfer_mode    = SPI_TRANSFER_MODE_1;
-		spi_config_struct.mux_setting      = SPI_SIGNAL_MUX_SETTING_D;
-		spi_config_struct.character_size   = SPI_CHARACTER_SIZE_8BIT;
-		spi_config_struct.pinmux_pad0 = PINMUX_PA16C_SERCOM1_PAD0;
-		spi_config_struct.pinmux_pad1 = PINMUX_PA17C_SERCOM1_PAD1;
-		spi_config_struct.pinmux_pad2 = PINMUX_PA18C_SERCOM1_PAD2;	// Not used. Can it be ignored to leave open for other use?
-		spi_config_struct.pinmux_pad3 = PINMUX_PA19C_SERCOM1_PAD3;
-		spi_config_struct.mode_specific.master.baudrate = 2000000;
-		spi_init(&spi1_instance_struct, SERCOM1, &spi_config_struct);
-		spi_enable(&spi1_instance_struct);
-		*/
-
-} // end init
-
-
-void Update1msClock(void)
-{
-	// Create a 1 ms clock (0.9765625 ms)
-	// Note that the program will hang here a maximum of 400 s to synchronize the system clock to the slower RTC clock.
-	static uint32_t current_time;								// Counts in ticks of the RTC clock
-	static uint32_t	previous_time_1ms=0;				// Also counts in ticks of the RTC clock
-
-	current_time = rtc_count_get_count(&rtc_instance_struct);
-	if (current_time >= (previous_time_1ms + 8))		// That is 1 ms!
-	{
-		t1ms_timer++;	// Increase our 1 ms clock
-		previous_time_1ms = current_time;				// Remember the RTC time of the 1 ms tick
-	}
-} // end Create1msClock
-