FreeCalypso > hg > freecalypso-sw
diff nuc-fw/bsp/inth.c @ 93:45911ad957fd
nuc-fw: beginning to integrate TI's BSP code
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Sat, 31 Aug 2013 23:43:23 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/nuc-fw/bsp/inth.c Sat Aug 31 23:43:23 2013 +0000 @@ -0,0 +1,125 @@ +/******************************************************************************* + TEXAS INSTRUMENTS INCORPORATED PROPRIETARY INFORMATION + + Property of Texas Instruments -- For Unrestricted Internal Use Only + Unauthorized reproduction and/or distribution is strictly prohibited. This + product is protected under copyright law and trade secret law as an + unpublished work. Created 1987, (C) Copyright 1997 Texas Instruments. All + rights reserved. + + + Filename : inth.c + + Description : inth.c saturn interupt handler + + Project : drivers + + Author : pmonteil@tif.ti.com Patrice Monteil. + + Version number : 1.8 + + Date and time : 01/30/01 10:22:26 + + Previous delta : 12/19/00 14:39:21 + + SCCS file : /db/gsm_asp/db_ht96/dsp_0/gsw/rel_0/mcu_l1/release_gprs/RELEASE_GPRS/drivers1/common/SCCS/s.inth.c + + Sccs Id (SID) : '@(#) inth.c 1.8 01/30/01 10:22:26 ' + + +*****************************************************************************/ + +#include "../include/config.h" +#include "../include/sys_types.h" + +#include "mem.h" +#include "inth.h" + + + + +/*---------------------------------------------------------------/ +/* INTH_Ack() */ +/*--------------------------------------------------------------*/ +/* Parameters : num of it */ +/* Return : none */ +/* Functionality :Acknowledge an interrupt and return the origin*/ +/* of the interrupt (binary format) */ +/*--------------------------------------------------------------*/ + +SYS_UWORD16 INTH_Ack (int intARM) +{ + if (intARM == INTH_IRQ) + return((* (volatile SYS_UWORD16 *) INTH_B_IRQ_REG) & INTH_SRC_NUM); + else + return((* (volatile SYS_UWORD16 *) INTH_B_FIQ_REG) & INTH_SRC_NUM); +} + +/*---------------------------------------------------------------/ +/* INTH_GetPending() */ +/*--------------------------------------------------------------*/ +/* Parameters : none */ +/* Return : none */ +/* Functionality : Return the pending interrupts */ +/*--------------------------------------------------------------*/ + +#if ((CHIPSET == 4) || (CHIPSET == 5) || (CHIPSET == 6) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 9) || (CHIPSET == 10) || (CHIPSET == 11) || (CHIPSET == 12)) + unsigned long INTH_GetPending (void) + { + return((unsigned long)((* (volatile SYS_UWORD16 *) INTH_IT_REG1) | + ((* (volatile SYS_UWORD16 *) INTH_IT_REG2) << 16))); + } +#else + unsigned short INTH_GetPending (void) + { + return(* (volatile SYS_UWORD16 *) INTH_IT_REG); + } +#endif + +/*---------------------------------------------------------------/ +/* INTH_InitLevel() */ +/*--------------------------------------------------------------*/ +/* Parameters : num it,FIQ/IRQ,priority level,edge/level. */ +/* Return : none */ +/* Functionality : Initialize an interrupt */ +/* - put it on IRQ or FIQ */ +/* - set its priority level */ +/* */ +/*--------------------------------------------------------------*/ + +void INTH_InitLevel (int inputInt, int FIQ_nIRQ, int priority, int edge) +{ + volatile SYS_UWORD16 *inthLevelReg = (SYS_UWORD16 *) INTH_EXT_REG; + + inthLevelReg = inthLevelReg + inputInt; + +#if ((CHIPSET == 4) || (CHIPSET == 5) || (CHIPSET == 6) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 9) || (CHIPSET == 10) || (CHIPSET == 11) || (CHIPSET == 12)) + *inthLevelReg = (FIQ_nIRQ | (edge << 1) | (priority << 2)); +#else + *inthLevelReg = (FIQ_nIRQ | (priority << 1) | (edge << 5)); +#endif +} + +/*---------------------------------------------------------------/ +/* INTH_ResetIT() */ +/*--------------------------------------------------------------*/ +/* Parameters : none */ +/* Return : none */ +/* Functionality : reset the inth it register */ +/*--------------------------------------------------------------*/ + +#if ((CHIPSET == 4) || (CHIPSET == 5) || (CHIPSET == 6) || (CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 9) || (CHIPSET == 10) || (CHIPSET == 11) || (CHIPSET == 12)) + unsigned long INTH_ResetIT (void) + { + * (volatile SYS_UWORD16 *) INTH_IT_REG1 &= 0x0000; + * (volatile SYS_UWORD16 *) INTH_IT_REG2 &= 0x0000; + return((unsigned long)((* (volatile SYS_UWORD16 *) INTH_IT_REG1) | + ((* (volatile SYS_UWORD16 *) INTH_IT_REG2) << 16))); + } +#else + unsigned short INTH_ResetIT (void) + { + * (volatile SYS_UWORD16 *) INTH_IT_REG &= 0x0000; + return(* (volatile SYS_UWORD16 *) INTH_IT_REG); + } +#endif