www.pudn.com > arm_ucos_2410.rar > frmwrk.c
/**************************************************************************
* *
* PROJECT : ARM port for UCOS-II *
* *
* MODULE : FRMWRK.c *
* *
* AUTHOR : Michael Anburaj *
* URL : http://geocities.com/michaelanburaj/ *
* EMAIL: michaelanburaj@hotmail.com *
* *
* PROCESSOR : S3c2410x (32 bit ARM920T RISC core from Samsung) *
* *
* IDE : SDT 2.51 & ADS 1.2 *
* *
* DESCRIPTION : *
* This is the Framework module. Creates an operating infrastructure. *
* *
**************************************************************************/
#include "includes.h"
#include "frmwrk.h"
#include "consol.h"
#include
#include
/* ********************************************************************* */
/* Global definitions */
/* ********************************************************************* */
/* File local definitions */
#define __nSVCStkBase (STK_SADDR+_SVC_STKSIZE)
#define __nSVCStkEnd STK_SADDR
#define __nSVCStkSize _SVC_STKSIZE
#define __nIRQStkBase (STK_SADDR+_SVC_STKSIZE+_UND_STKSIZE+_ABT_STKSIZE+_IRQ_STKSIZE)
#define __nIRQStkEnd (STK_SADDR+_SVC_STKSIZE+_UND_STKSIZE+_ABT_STKSIZE)
#define __nIRQStkSize _IRQ_STKSIZE
/* ********************************************************************* */
/* Local functions */
/*
*********************************************************************************************
* __Haltx
*
* Description: These exception handlers are used to report a particular exception on the
* CONSOL & halt.
*
* Arguments : none.
*
* Return : none.
*
* Note(s) :
*********************************************************************************************
*/
static void __HaltUndef(void)
{
CONSOL_Printf("Undefined instruction exception!!!\n");
while(1);
}
static void __HaltSwi(void)
{
CONSOL_Printf("SWI exception!!!\n");
while(1);
}
static void __HaltPabort()
{
CONSOL_Printf("Pabort exception!!!\n");
while(1);
}
static void __HaltDabort(void)
{
CONSOL_Printf("Dabort exception !!!\n");
while(1);
}
static void __HaltFiq(void)
{
CONSOL_Printf("FIQ exception!!!\n");
while(1);
}
static void __HaltIrq(void)
{
CONSOL_Printf("IRQ exception!!!\n");
while(1);
}
/*
*********************************************************************************************
* __vInitHaltHandlers
*
* Description: This routine hooks all the Halt exception handlers. Exceptions which are to
* be handled by the application can be overwritten with the new handler at the
* appropriate Software hook location.
*
* Arguments : none.
*
* Return : none.
*
* Note(s) :
*********************************************************************************************
*/
static void __vInitHaltHandlers(void)
{
pISR_UNDEF = (unsigned)__HaltUndef;
pISR_SWI = (unsigned)__HaltSwi;
pISR_PABORT= (unsigned)__HaltPabort;
pISR_DABORT= (unsigned)__HaltDabort;
pISR_FIQ = (unsigned)__HaltFiq;
pISR_IRQ = (unsigned)__HaltIrq;
}
/*
*********************************************************************************************
* __vLogo
*
* Description: This routine display the Logo on the CONSOL port.
*
* Arguments : none.
*
* Return : none.
*
* Note(s) :
*********************************************************************************************
*/
static void __vLogo(void)
{
CONSOL_Printf("\n\nUCOS_FRAMEWORK Ver %s for %s :%s\n",
__mVer,__mProcessor,__mDate);
CONSOL_Printf("Built using %s on %s <%s>\n",
#ifdef ADS
"ADS"
#elif SDT
"SDT"
#else
"Unknown IDE"
#endif
,__DATE__,__TIME__);
CONSOL_Printf("Endian: %s\n",
#ifdef __BIG_ENDIAN
"BIG"
#else
"LITTLE"
#endif
);
CONSOL_Printf("CONSOL: COM%d, %dbps, 8Bit, NP\n",__nConsolPort,__nConsolBaud);
CONSOL_Printf("CPU Clk: %dMHz MMU: %s Cache: %s Write Buf: %s\n",FCLK/1000000,
#ifdef MMU_enabled
"ON","ON","ON");
#else
"OFF","OFF","OFF");
#endif
CONSOL_Printf("FLASH_SADDR:%08xh SRAM_SADDR:%08xh SRAM_EADDR:%08xh\nSDRAM_SADDR:\
%08xh SFR_BADDR :%08xh ISR_BADDR :%08xh\n",FLASH_SADDR,SRAM_SADDR,SRAM_EADDR,SDRAM_SADDR,
SFR_BADDR,ISR_BADDR);
CONSOL_Printf("Free RAM: %08xh ~ %08xh\n", C_wRTMem, C_wRTMemLimit);
CONSOL_Printf("Developed by %s\n\n",__mAuthor);
}
/*
*********************************************************************************************
* __vWDTInterrupt
*
* Description: This routine clears the pending WDT interrupt & calls the OS tick handler.
*
* Arguments : none.
*
* Return : none.
*
* Note(s) :
*********************************************************************************************
*/
static void __vWDTInterrupt()
{
rSRCPND = BIT_WDT; // Clear pending bit -- Watchdog timer
rINTPND = BIT_WDT;
OSTimeTick();
}
/*
*********************************************************************************************
* __vPortInit
*
* Description: This routine sets the default GPIO condition.
*
* Arguments : none.
*
* Return : none.
*
* Note(s) :
*********************************************************************************************
*/
static void __vPortInit(void)
{
//CAUTION:Follow the configuration order for setting the ports.
// 1) setting value(GPnDAT)
// 2) setting control register (GPnCON)
// 3) configure pull-up resistor(GPnUP)
//32bit data bus configuration
//*** PORT A GROUP
//Ports : GPA22 GPA21 GPA20 GPA19 GPA18 GPA17 GPA16 GPA15 GPA14 GPA13 GPA12
//Signal : nFCE nRSTOUT nFRE nFWE ALE CLE nGCS5 nGCS4 nGCS3 nGCS2 nGCS1
//Binary : 1 1 1 , 1 1 1 1 , 1 1 1 1
//Ports : GPA11 GPA10 GPA9 GPA8 GPA7 GPA6 GPA5 GPA4 GPA3 GPA2 GPA1 GPA0
//Signal : ADDR26 ADDR25 ADDR24 ADDR23 ADDR22 ADDR21 ADDR20 ADDR19 ADDR18 ADDR17 ADDR16 ADDR0
//Binary : 1 1 1 1 , 1 1 1 1 , 1 1 1 1
rGPACON = 0x7fffff;
//**** PORT B GROUP
//Ports : GPB10 GPB9 GPB8 GPB7 GPB6 GPB5 GPB4 GPB3 GPB2 GPB1 GPB0
//Signal : nXDREQ0 nXDACK0 nXDREQ1 nXDACK1 nSS_KBD nDIS_OFF L3CLOCK L3DATA L3MODE nIrDATXDEN Keyboard
//Setting: INPUT OUTPUT INPUT OUTPUT INPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT
//Binary : 00 , 01 00 , 01 00 , 01 01 , 01 01 , 01 01
rGPBCON = 0x044555;
rGPBUP = 0x7ff; // The pull up function is disabled GPB[10:0]
//*** PORT C GROUP
//Ports : GPC15 GPC14 GPC13 GPC12 GPC11 GPC10 GPC9 GPC8 GPC7 GPC6 GPC5 GPC4 GPC3 GPC2 GPC1 GPC0
//Signal : VD7 VD6 VD5 VD4 VD3 VD2 VD1 VD0 LCDVF2 LCDVF1 LCDVF0 VM VFRAME VLINE VCLK LEND
//Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10
rGPCCON = 0xaaaaaaaa;
rGPCUP = 0xffff; // The pull up function is disabled GPC[15:0]
//*** PORT D GROUP
//Ports : GPD15 GPD14 GPD13 GPD12 GPD11 GPD10 GPD9 GPD8 GPD7 GPD6 GPD5 GPD4 GPD3 GPD2 GPD1 GPD0
//Signal : VD23 VD22 VD21 VD20 VD19 VD18 VD17 VD16 VD15 VD14 VD13 VD12 VD11 VD10 VD9 VD8
//Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 ,10 10
rGPDCON = 0xaaaaaaaa;
rGPDUP = 0xffff; // The pull up function is disabled GPD[15:0]
//*** PORT E GROUP
//Ports : GPE15 GPE14 GPE13 GPE12 GPE11 GPE10 GPE9 GPE8 GPE7 GPE6 GPE5 GPE4
//Signal : IICSDA IICSCL SPICLK SPIMOSI SPIMISO SDDATA3 SDDATA2 SDDATA1 SDDATA0 SDCMD SDCLK I2SSDO
//Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 ,
//-------------------------------------------------------------------------------------------------------
//Ports : GPE3 GPE2 GPE1 GPE0
//Signal : I2SSDI CDCLK I2SSCLK I2SLRCK
//Binary : 10 10 , 10 10
rGPECON = 0xaaaaaaaa;
rGPEUP = 0xffff; // The pull up function is disabled GPE[15:0]
//*** PORT F GROUP
//Ports : GPF7 GPF6 GPF5 GPF4 GPF3 GPF2 GPF1 GPF0
//Signal : nLED_8 nLED_4 nLED_2 nLED_1 nIRQ_PCMCIA EINT2 KBDINT EINT0
//Setting: Output Output Output Output EINT3 EINT2 EINT1 EINT0
//Binary : 01 01 , 01 01 , 10 10 , 10 10
rGPFCON = 0x55aa;
rGPFUP = 0xff; // The pull up function is disabled GPF[7:0]
//*** PORT G GROUP
//Ports : GPG15 GPG14 GPG13 GPG12 GPG11 GPG10 GPG9 GPG8 GPG7 GPG6
//Signal : nYPON YMON nXPON XMON EINT19 DMAMODE1 DMAMODE0 DMASTART KBDSPICLK KBDSPIMOSI
//Setting: nYPON YMON nXPON XMON EINT19 Output Output Output SPICLK1 SPIMOSI1
//Binary : 11 11 , 11 11 , 10 01 , 01 01 , 11 11
//-----------------------------------------------------------------------------------------
//Ports : GPG5 GPG4 GPG3 GPG2 GPG1 GPG0
//Signal : KBDSPIMISO LCD_PWREN EINT11 nSS_SPI IRQ_LAN IRQ_PCMCIA
//Setting: SPIMISO1 LCD_PWRDN EINT11 nSS0 EINT9 EINT8
//Binary : 11 11 , 10 11 , 10 10
rGPGCON = 0xff95ffba;
rGPGUP = 0xffff; // The pull up function is disabled GPG[15:0]
//*** PORT H GROUP
//Ports : GPH10 GPH9 GPH8 GPH7 GPH6 GPH5 GPH4 GPH3 GPH2 GPH1 GPH0
//Signal : CLKOUT1 CLKOUT0 UCLK nCTS1 nRTS1 RXD1 TXD1 RXD0 TXD0 nRTS0 nCTS0
//Binary : 10 , 10 10 , 11 11 , 10 10 , 10 10 , 10 10
rGPHCON = 0x2afaaa;
rGPHUP = 0x7ff; // The pull up function is disabled GPH[10:0]
//External interrupt will be falling edge triggered.
rEXTINT0 = 0x22222222; // EINT[7:0]
rEXTINT1 = 0x22222222; // EINT[15:8]
rEXTINT2 = 0x22222222; // EINT[23:16]
}
/*
*********************************************************************************************
* __vChangeMPllValue
*
* Description: This routine sets the MPLL value.
*
* Arguments : none.
*
* Return : none.
*
* Note(s) :
*********************************************************************************************
*/
static void __vChangeMPllValue(int wMdiv, int wPdiv, int wSdiv)
{
rMPLLCON = (wMdiv<<12) | (wPdiv<<4) | wSdiv;
}
/*
*********************************************************************************************
* __vChangeClockDivider
*
* Description: This routine sets the HCLK and PCLK.
*
* Arguments : none.
*
* Return : none.
*
* Note(s) :
*********************************************************************************************
*/
static void __vChangeClockDivider(int wHdivn, int wPdivn)
{
// wHdivn,wPdivn FCLK:HCLK:PCLK
// 0,0 1:1:1
// 0,1 1:1:2
// 1,0 1:2:2
// 1,1 1:2:4
rCLKDIVN = (wHdivn<<1) | wPdivn;
if(wHdivn)
MMU_SetAsyncBusMode();
else
MMU_SetFastBusMode();
}
/* ********************************************************************* */
/* Global functions */
/*
*********************************************************************************************
* C_IRQHandler
*
* Description: This routine is the IRQ handler. Handles all peripheral interrupts.
*
* Arguments : none.
*
* Return : none.
*
* Note(s) :
*********************************************************************************************
*/
void C_IRQHandler(void)
{
U32 wTemp;
wTemp = rINTOFFSET<<2;
((void(*)(void))(*((U32 *)(aISR_EINT0+wTemp))))();
}
/*
*********************************************************************************************
* FRMWRK_vStartTicker
*
* Description: This routine starts Timer1 (TC1) in the Prescale mode for OS Tick.
*
* Arguments : wTicksPerSec - Time ticks per second.
*
* Return : none.
*
* Note(s) :
*********************************************************************************************
*/
void FRMWRK_vStartTicker(U32 wTicksPerSec)
{
#if OS_CRITICAL_METHOD == 3 /* Allocate storage for CPU status register */
OS_CPU_SR cpu_sr;
#endif
OS_ENTER_CRITICAL();
rWTCON = 0; // Disable watchdog
rSRCPND &= BIT_WDT; // Clear any pending WD int
rINTPND &= BIT_WDT;
pISR_WDT = (U32)__vWDTInterrupt;
rWTDAT = rWTCNT = PCLK / 16 / wTicksPerSec; //set up the WDT for wTicksPerSec
rWTCON = (0<<8)|(1<<5)|(0<<3)|(1<<2)|(0<<0);// Enable: WD, WD interrupts
BIT_CLR(rINTMSK, BIT_WDT); // Enable WatchDog interrupts
OS_EXIT_CRITICAL();
}
/*
*********************************************************************************************
* FRMWRK_vRamTest
*
* Description: This routine is used do RAM test.
*
* Arguments : pbID - Test identification string.
* wSAddr - RAM starting address.
* wEAddr - RAM end address.
*
* Return : none.
*
* Note(s) : Do not test the following areas using this routine:
* 1. Stack
* 2. Software vector table
* 3. C Variables (RW & ZI)
*********************************************************************************************
*/
void FRMWRK_vRamTest(U8 *pbID,U32 wSAddr,U32 wEAddr)
{
U32 wI,wJ;
U8 bError=0;
CONSOL_Printf("\n%s(%08xh-%08xh):WR",pbID,wSAddr,wEAddr);
for(wI=wSAddr;wI