132 lines
4.1 KiB
C
132 lines
4.1 KiB
C
/******************************************************************************/
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/* Copyright (c) 2016 MD Automotive Controls. Original Work. */
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/* License: http://www.gnu.org/licenses/gpl.html GPL version 2 or higher */
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/******************************************************************************/
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/* CONTEXT:KERNEL */
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/* PACKAGE TITLE: XXX */
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/* DESCRIPTION: XXX */
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/* FILE NAME: XXX.c */
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/* REVISION HISTORY: 19-08-2016 | 1.0 | Initial revision */
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/* */
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/******************************************************************************/
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#include "CPUAbstract.h"
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#include "regset.h"
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#include "sys.h"
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#include "declarations.h"
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#include "os.h"
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#include "IOAPI.h"
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#include "DACAPI.h"
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#include "DAC.h"
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#include "types.h"
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#include "SIM.h"
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DACAPI_ttOutputVoltage DACHA_atQueue[DACHA_nDACCount][DAC_nQueueSize];
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uint32 DACHA_au32QueueIDX[DACHA_nDACCount];
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uint32 DACHA_u32PortClockRequested;
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void DACHA_vStart(puint32 const pu32Stat)
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{
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}
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void DACHA_vRun(puint32 const pu32Stat)
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{
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tstDACModule* pstDAC = NULL;
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uint32 u32QueueIDX;
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uint32 u32DACIDX;
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uint32 u32ClockReq = 1;
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for (u32DACIDX = 0; u32DACIDX < DACHA_nDACCount; u32DACIDX++)
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{
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if (u32ClockReq == (u32ClockReq & DACHA_u32PortClockRequested))
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{
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#if defined(BUILD_MK60) || defined(BUILD_MK64)
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pstDAC = (0 == u32DACIDX) ? DAC0 : DAC1;
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if ((pstDAC->C2 & DAC_C2_DACBFUP_MASK) < ++DACHA_au32QueueIDX[u32DACIDX])
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{
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for (u32QueueIDX = 0; u32QueueIDX <= (pstDAC->C2 & DAC_C2_DACBFUP_MASK); u32QueueIDX++)
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{
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pstDAC->DAT[u32QueueIDX].DATH = (DACHA_atQueue[u32DACIDX][u32QueueIDX] & 0x0f00) >> 8;
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pstDAC->DAT[u32QueueIDX].DATL = DACHA_atQueue[u32DACIDX][u32QueueIDX] & 0xff;
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}
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DACHA_au32QueueIDX[u32DACIDX] = 0;
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}
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/* Set the read pointer */
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pstDAC->C2 = (pstDAC->C2 & DAC_C2_DACBFUP_MASK) | DAC_C2_DACBFRP(DACHA_au32QueueIDX[u32DACIDX]);
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#endif //BUILD_MK60
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}
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u32ClockReq *= 2;
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}
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}
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void DACHA_vTerminate(puint32 const pu32Stat)
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{
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}
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SYSAPI_tenSVCResult DACHA_vInitDACResource(IOAPI_tenEHIOResource enEHIOResource, DACAPI_tstDACCB* pstDACCB)
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{
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tstDACModule* pstDAC = NULL;
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SYSAPI_tenSVCResult enResult = SYSAPI_enBadResource;
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switch (enEHIOResource)
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{
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#if defined(BUILD_MK60) || defined(BUILD_MK64)
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case EH_O_DAC1:
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{
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pstDAC = DAC0;
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SIM_vSetReg32(SIM_SCGC2, SIM_SCGC2_DAC0_MASK);
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DACHA_u32PortClockRequested |= 1;
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break;
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}
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case EH_O_DAC2:
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{
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pstDAC = DAC1;
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SIM_vSetReg32(SIM_SCGC2, SIM_SCGC2_DAC1_MASK);
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DACHA_u32PortClockRequested |= 2;
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break;
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}
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#endif //BUILD_MK60
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default:
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pstDAC = NULL;
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break;
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}
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if (NULL != pstDAC)
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{
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enResult = SYSAPI_enOK;
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#if defined(BUILD_MK60) || defined(BUILD_MK64)
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pstDAC->C0 |= (DAC_C0_DACEN_MASK | DAC_C0_DACRFS_MASK);
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if (DACAPI_enSoftwareTrigger == pstDACCB->enTriggerType) pstDAC->C0 |= DAC_C0_DACTRGSEL_MASK;
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if (TRUE == pstDACCB->boWaterMarkEventEnable) pstDAC->C0 |= DAC_C0_DACBWIEN_MASK;
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if (TRUE == pstDACCB->boPointerTopEventEnable) pstDAC->C0 |= DAC_C0_DACBTIEN_MASK;
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if (TRUE == pstDACCB->boPointerBottomEventEnable) pstDAC->C0 |= DAC_C0_DACBBIEN_MASK;
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pstDAC->C1 = DAC_C1_DACBFWM(pstDACCB->enWatermarkWords) | DAC_C1_DACBFEN_MASK;
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pstDAC->C2 = DAC_C2_DACBFUP(pstDACCB->enQueueDepth);
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#endif //BUILD_MK60
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}
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return enResult;
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}
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void DACHA_vWriteDACQueue(IOAPI_tenEHIOResource enEHIOResource, DACAPI_ttOutputVoltage* pOutputVoltage)
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{
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uint32 u32QueueIDX;
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tstDACModule* pstDAC;
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uint32 u32Queue;
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#if defined(BUILD_MK60) || defined(BUILD_MK64)
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pstDAC = (EH_O_DAC1 == enEHIOResource) ? DAC0 : DAC1;
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u32Queue = (EH_O_DAC1 == enEHIOResource) ? 0 : 1;
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for (u32QueueIDX = 0; u32QueueIDX <= (pstDAC->C2 & DAC_C2_DACBFUP_MASK); u32QueueIDX++)
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{
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DACHA_atQueue[u32Queue][u32QueueIDX] = *pOutputVoltage++;
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}
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#endif //BUILD_MK60
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}
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