/******************** (C) COPYRIGHT 2020 SONiX *******************************
* COMPANY:		SONiX
* DATE:				2020/11
* AUTHOR:			SA1
* IC:					SN32F780/790
*____________________________________________________________________________
*	REVISION	Date				User		Description
*	1.0				2020/06/24	SA1			1. First version released
*																2. Compatible to CMSIS DFP Architecture in Keil MDK v5.X (http://www.keil.com/dd2/pack/)
*																3. Run HexConvert to generate bin file and show checksum after building.
*	1.1				2020/11/20	SA1			1. Update system_SN32F790.c
*
* 1.2       2021/12/15  SA1     1. Update main.c
*____________________________________________________________________________
* THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS TIME TO MARKET.
* SONiX SHALL NOT BE HELD LIABLE FOR ANY DIRECT, INDIRECT OR CONSEQUENTIAL 
* DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE CONTENT OF SUCH SOFTWARE
* AND/OR THE USE MADE BY CUSTOMERS OF THE CODING INFORMATION CONTAINED HEREIN 
* IN CONNECTION WITH THEIR PRODUCTS.
*****************************************************************************/

/*_____ I N C L U D E S ____________________________________________________*/
#include <SN32F790.h>
#include <SN32F700_Def.h>
#include ".\PMU\PMU_drive.h"
#include ".\Utility\Utility.h"

/*_____ D E C L A R A T I O N S ____________________________________________*/
void PFPA_Init(void);
void NotPinOut_GPIO_init(void);

volatile uint32_t	wP0_DS_WKP_Int_Times;
/*_____ D E F I N I T I O N S ______________________________________________*/
#ifndef	SN32F799					//Do NOT Remove or Modify!!!
	#error Please install SONiX.SN32F7_DFP.1.5.0.pack or version >= 1.5.0
#endif
#define	PKG						SN32F799				//User SHALL modify the package on demand (SN32F799, SN32F798, SN32F797, SN32F795)

/*_____ M A C R O S ________________________________________________________*/

/*_____ F U N C T I O N S __________________________________________________*/

/*****************************************************************************
* Function		: main
* Description	: Demo code of Deep Sleep mode, use P0.7~P0.9 Rising edge trigger 
*								interrupt to wakeup MCU, and toggle P2.0, P2.1, or P2.2 to indicate
*								the wakeup source is P0.7, P0.8, or P0.9.
* Input			: None
* Output		: None
* Return		: None
* Note			: None
*****************************************************************************/
int	main(void)
{
	//User can configure System Clock with Configuration Wizard in system_SN32F780.c
	SystemInit();
	SystemCoreClockUpdate();				//Must call for SN32F780, Please do NOT remove!!!

	//Note: User can refer to ClockSwitch sample code to switch various HCLK if needed.

	PFPA_Init();										//User shall set PFPA if used, do NOT remove!!!

	//1. User SHALL define PKG on demand.
	//2. User SHALL set the status of the GPIO which are NOT pin-out to input pull-up.
	NotPinOut_GPIO_init();

	//--------------------------------------------------------------------------
	//User Code starts HERE!!!

	//Set P2 as Output Low
	SN_GPIO2->MODE = 0xFFFF;
	SN_GPIO2->DATA = 0x0;

	//================================================================================
	//set P0.7~P0.9 as Deep Sleep Wakeup pins (input pull-up, Falling edge trigger interrupt)	
	SN_GPIO0->MODE = 0;					//Set P0 as Input mode
	SN_GPIO0->CFG = 0;					//Enable P0 Pull-up resistor
	SN_GPIO0->IEV = 0x380;			//Set P0 as Falling edge/Low level interrupt
	SN_GPIO0->IBS = 0;
	SN_GPIO0->IS = 0x0;					//Set P0 as Edge sensitive

	SN_GPIO0->IC = 0xFFFF;
	SN_GPIO0->IE = 0x380;				//Enable P0.7~P0.9 Interrupt
	UT_DelayNms(100);	

	NVIC_ClearPendingIRQ(P0_IRQn);
	NVIC_EnableIRQ(P0_IRQn);
	//================================================================================

	while((SN_GPIO0->DATA & 0x380)!= 0x380);
	PMU_Setting(PMU_DEEP_SLEEP);

	while(1)
	{
		wP0_DS_WKP_Int_Times = 0;
		PMU_Setting(PMU_DEEP_SLEEP);
	}
}

/*****************************************************************************
* Function		: NotPinOut_GPIO_init
* Description	: Set the status of the GPIO which are NOT pin-out to input pull-up. 
* Input				: None
* Output			: None
* Return			: None
* Note				: 1. User SHALL define PKG on demand.
*****************************************************************************/
void NotPinOut_GPIO_init(void)
{
#if (PKG == SN32F798) || (PKG == SN32F788)
	//set P0.8~P0.9, P0.16~P0.19 to input pull-up
	SN_GPIO0->CFG = 0xAAA0AAAA;
	SN_GPIO0->CFG1 = 0x0;
	//set P1.16~P1.19 to input pull-up
	SN_GPIO1->CFG1 = 0x0;
	//set P3.14~P3.19 to input pull-up
	SN_GPIO3->CFG = 0x0AAAAAAA;
	SN_GPIO3->CFG1 = 0x0;
#elif (PKG == SN32F797)
	//set P0.6~P0.9, P0.12~P0.19 to input pull-up
	SN_GPIO0->CFG = 0x00A00AAA;
	SN_GPIO0->CFG1 = 0x0;
	//set P1.6~P1.7, P1.10~P1.11, P1.16~P1.19 to input pull-up
	SN_GPIO1->CFG = 0xAA0A0AAA;
	SN_GPIO1->CFG1 = 0x0;
	//set P2.10~P2.15 to input pull-up
	SN_GPIO2->CFG = 0x000AAAAA;
	//set P3.14~P3.19 to input pull-up
	SN_GPIO3->CFG = 0x0AAAAAAA;
	SN_GPIO3->CFG1 = 0x0;
#elif (PKG == SN32F795)
	//set P0.0~0.P0.2, P0.4, P0.6~P0.9, P0.12~P0.19 to input pull-up
	SN_GPIO0->CFG = 0x00A00880;
	SN_GPIO0->CFG1 = 0x0;
	//set P1.4~P1.7, P1.9~P1.19 to input pull-up
	SN_GPIO1->CFG = 0x000200AA;
	SN_GPIO1->CFG1 = 0x0;
	//set P2.10~P2.15 to input pull-up
	SN_GPIO2->CFG = 0x000AAAAA;
	//set P3.8~P3.11, P3.14~P3.19 to input pull-up
	SN_GPIO3->CFG = 0x0A00AAAA;
	SN_GPIO3->CFG1 = 0x0;
#elif (PKG == SN32F7951)
	//set P0.0~0.P0.4, P0.6~P0.9, P0.13~P0.19 to input pull-up
	SN_GPIO0->CFG = 0x02A00800;
	SN_GPIO0->CFG1 = 0x0;
	//set P1.4~P1.7, P1.9~P1.11, P1.16~P1.19 to input pull-up
	SN_GPIO1->CFG = 0xAA0200AA;
	SN_GPIO1->CFG1 = 0x0;
	//set P2.9~P2.15 to input pull-up
	SN_GPIO2->CFG = 0x0002AAAA;
	//set P3.3~P3.4, P3.8~P3.11, P3.14~P3.19 to input pull-up
	SN_GPIO3->CFG = 0x0A00A82A;
	SN_GPIO3->CFG1 = 0x0;
#endif
}

/*****************************************************************************
* Function		: HardFault_Handler
* Description	: ISR of Hard fault interrupt
* Input			: None
* Output		: None
* Return		: None
* Note			: None
*****************************************************************************/
__irq void HardFault_Handler(void)
{
	NVIC_SystemReset();
}
