core.c

/**
 * @file libesoup/core.c
 *
 * @author John Whitmore
 *
 * @brief File containing the function to initialise the libesoup library
 *
 * Copyright 2017-2020 electronicSoup Limited
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the version 2 of the GNU Lesser General Public License
 * as published by the Free Software Foundation
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, see <http://www.gnu.org/licenses/>.
 *
 *******************************************************************************
 *
 */

#include "libesoup_config.h"

#ifdef SYS_SERIAL_LOGGING
#define DEBUG_FILE
#ifdef XC16
static const char  __attribute__((unused)) *TAG = "CORE";
#elif __XC8
static const char  *TAG = "CORE";
#endif // XC16 elif XC8
#include "libesoup/logger/serial_log.h"
#endif  // SYS_SERIAL_LOGGING

#include "libesoup/errno.h"
#include "libesoup/boards/board.h"

#ifdef SYS_HW_TIMERS
extern void   hw_timer_init(void);
#endif

#ifdef SYS_SW_TIMERS
#include "libesoup/timers/sw_timers.h"
extern void   sw_timer_init(void);
extern void   timer_tick(void);
#endif

#if defined(SYS_UART1) || defined(SYS_UART2) || defined(SYS_UART3) || defined(SYS_UART4)
extern void   uart_init(void);
#endif

#ifdef SYS_JOBS
#include "libesoup/jobs/jobs.h"
#endif

#ifdef SYS_HW_RTC
#include "libesoup/timers/rtc.h"
#endif

#if defined(SYS_SPI1) || defined(SYS_SPI2) || defined(SYS_SPI3)
extern result_t      spi_init(void);
#endif

#if defined(SYS_I2C_1) || defined(SYS_I2C_2) || defined(SYS_I2C_3)
extern result_t i2c_tasks(void);
extern result_t i2c_init(void);
#endif

#ifdef SYS_RAND
#include "libesoup/utils/rand.h"
#endif

#ifdef SYS_CAN_BUS
#include "libesoup/comms/can/can.h"
#endif

#ifdef SYS_ADC
extern result_t adc_init(void);
extern result_t adc_tasks(void);
#endif

#ifdef SYS_PWM
extern result_t pwm_init(void);
#endif

#ifdef SYS_CHANGE_NOTIFICATION
#include "libesoup/gpio/change_notification.h"
#endif // SYS_CHANGE_NOTIFICATION

#ifdef SYS_MODBUS
extern result_t modbus_init(void);
#endif

#ifdef SYS_CHANGE_NOTIFICATION
extern result_t change_notifier_init(void);
#endif

#ifdef SYS_USB_KEYBOARD
#include "system.h"
#include "usb.h"

extern result_t usb_keyboard_tasks(void);
extern void SYSTEM_Initialize(  SYSTEM_STATE SYSTEM_STATE_USB_START );
#endif

#ifdef SYS_MIDI_RX
extern void midi_init(void);
#endif

#ifdef SYS_LOOPER
extern result_t loppers_init(void);
#endif // SYS_LOOPER

/*
 * The Instruction Clock Frequency being used by the system.
 *
 * SYS_CLOCK_FREQ is the frequency requested by libesoup_config.h but that
 * may not be possible, if invalid.
 */
uint32_t sys_clock_freq;

result_t libesoup_init(void)
{
//	uint32_t loop;
#ifdef XC16
	result_t rc  __attribute__((unused)) = 0;
#else
	result_t rc = 0;
#endif

#if __XC8
#ifdef SYS_SERIAL_LOGGING
	TAG = TAG;
#endif // SYS_SERIAL_LOGGING
	rc = 0;
#endif

	cpu_init();
	CLEAR_WDT

#if defined(SYS_UART1) || defined(SYS_UART2) || defined(SYS_UART3) || defined(SYS_UART4)
	uart_init();
	__asm__ ("CLRWDT");
#endif

#ifdef SYS_SERIAL_LOGGING
        rc = serial_logging_init();
	RC_CHECK
        __asm__ ("CLRWDT");
#endif

#ifdef SYS_HW_TIMERS
	hw_timer_init();
	__asm__ ("CLRWDT");
#endif

#ifdef SYS_SW_TIMERS
	sw_timer_init();
	__asm__ ("CLRWDT");
#endif

#ifdef SYS_HW_RTC
	rc = rtc_init();
	RC_CHECK
	__asm__ ("CLRWDT");
#endif

#ifdef SYS_JOBS
	jobs_init();
	__asm__ ("CLRWDT");
#endif

#if defined(SYS_SPI1) || defined(SYS_SPI2) || defined(SYS_SPI3)
        spi_init();
	__asm__ ("CLRWDT");
#endif

#if defined(SYS_I2C_1) || defined(SYS_I2C_2) || defined(SYS_I2C_3)
	i2c_init();
	CLEAR_WDT
#endif

#ifdef SYS_RAND
	random_init();
	__asm__ ("CLRWDT");
	CLEAR_WDT
#endif

#ifdef SYS_CHANGE_NOTIFICATION
	rc = change_notifier_init();
	RC_CHECK
	__asm__ ("CLRWDT");
	CLEAR_WDT
#endif // SYS_CHANGE_NOTIFICATION

#ifdef SYS_ADC
	adc_init();
	CLEAR_WDT
#endif

#ifdef SYS_PWM
	rc =  pwm_init();
#endif
	CLEAR_WDT

#ifdef SYS_MODBUS
	rc = modbus_init();
	RC_CHECK
#endif
	CLEAR_WDT

#ifdef SYS_USB_KEYBOARD
	SYSTEM_Initialize( SYSTEM_STATE_USB_START );

	USBDeviceInit();
	USBDeviceAttach();
#endif
#ifdef SYS_MIDI_RX
	midi_init();
#endif
#ifdef SYS_LOOPER
	rc = loppers_init();
#endif // SYS_LOOPER
	CLEAR_WDT
	return(board_init());
}

result_t libesoup_tasks(void)
{
	result_t   rc = 0;
#ifdef SYS_SW_TIMERS
	if(timer_ticked) timer_tick();
#endif
#ifdef SYS_ADC
	rc = adc_tasks();
	RC_CHECK
#endif
#ifdef SYS_CAN_BUS
	can_tasks();
#endif

#ifdef SYS_USB_KEYBOARD
	rc = usb_keyboard_tasks();
#endif

#if defined(SYS_I2C1) || defined(SYS_I2C2) || defined(SYS_I2C3)
        rc = i2c_tasks();
#endif
	CLEAR_WDT
	return(rc);
}