238 lines
7.4 KiB
C
238 lines
7.4 KiB
C
/*
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* Copyright (c) 2016, Freescale Semiconductor, Inc.
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* Copyright 2016-2017, 2020 NXP
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* All rights reserved.
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*
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* SPDX-License-Identifier: BSD-3-Clause
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*/
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#include "fsl_debug_console.h"
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#if defined(FSL_FEATURE_SOC_ACMP_COUNT) && FSL_FEATURE_SOC_ACMP_COUNT
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#include "fsl_acmp.h"
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#else
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#include "fsl_cmp.h"
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#endif
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#include "fsl_pit.h"
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#include "fsl_aoi.h"
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#include "fsl_xbara.h"
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#include "fsl_xbarb.h"
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#include "pin_mux.h"
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#include "board.h"
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/*******************************************************************************
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* Definitions
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******************************************************************************/
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#define DEMO_XBARA_BASEADDR XBARA1
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#define DEMO_XBARB_BASEADDR XBARB2
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#define DEMO_PIT_BASEADDR PIT
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#define DEMO_CMP_BASEADDR CMP1
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#define DEMO_AOI_BASEADDR AOI1
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#define DEMO_XBARA_IRQ_HANDLER_FUNC XBAR1_IRQ_0_1_IRQHandler
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#define DEMO_XBARA_IRQ_ID XBAR1_IRQ_0_1_IRQn
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#define DEMO_CMP_MINUS_CHANNEL 0U
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#define DEMO_CMP_PLUS_CHANNEL 7U
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#define DEMO_PIT_CHANNEL kPIT_Chnl_0
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#define BUS_CLK_FREQ CLOCK_GetFreq(kCLOCK_OscClk)
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#define DEMO_XBARB_INPUT_CMP_SIGNAL kXBARB2_InputAcmp1Out
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#define DEMO_XBARB_OUTPUT_AOI_SIGNAL_1 kXBARB2_OutputAoi1In00
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#define DEMO_XBARB_INPUT_PIT_SIGNAL kXBARB2_InputPitTrigger0
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#define DEMO_XBARB_OUTPUT_AOI_SIGNAL_2 kXBARB2_OutputAoi1In01
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#define DEMO_XBARA_INPUT_AOI_SIGNAL kXBARA1_InputAoi1Out0
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#define DEMO_XBARA_OUTPUT_SIGNAL kXBARA1_OutputDmaChMuxReq30
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/*******************************************************************************
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* Prototypes
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******************************************************************************/
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/*!
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* @brief Initialize the CMP.
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*
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*/
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static void CMP_Configuration(void);
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/*!
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* @brief Initialize the PIT timer.
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*
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*/
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static void PIT_Configuration(void);
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/*!
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* @brief Initialize the XBAR module.
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*
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*/
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static void XBAR_Configuration(void);
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/*!
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* @brief Initialize the AOI.
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*
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*/
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static void AOI_Configuration(void);
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/*******************************************************************************
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* Variables
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******************************************************************************/
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volatile bool g_xbaraInterrupt = false;
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/*******************************************************************************
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* Code
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******************************************************************************/
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static void CMP_Configuration(void)
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{
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#if defined(FSL_FEATURE_SOC_ACMP_COUNT) && FSL_FEATURE_SOC_ACMP_COUNT
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acmp_config_t acmpConfig;
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acmp_channel_config_t channelConfigStruct;
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acmp_discrete_mode_config_t acmpDiscreteconfig;
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acmp_dac_config_t dacConfigStruct;
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ACMP_GetDefaultConfig(&acmpConfig);
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acmpConfig.enablePinOut = true;
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ACMP_Init(DEMO_CMP_BASEADDR, &acmpConfig);
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/* Configure positive inputs are coming from 3v domain. */
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ACMP_GetDefaultDiscreteModeConfig(&acmpDiscreteconfig);
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acmpDiscreteconfig.enablePositiveChannelDiscreteMode = true;
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ACMP_SetDiscreteModeConfig(DEMO_CMP_BASEADDR, &acmpDiscreteconfig);
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/* Configure channel. Select the negative port input from DAC and positive port input from plus mux input. */
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channelConfigStruct.minusMuxInput = DEMO_CMP_MINUS_CHANNEL;
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channelConfigStruct.plusMuxInput = DEMO_CMP_PLUS_CHANNEL;
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ACMP_SetChannelConfig(DEMO_CMP_BASEADDR, &channelConfigStruct);
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/* Configure DAC. */
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#if defined(DEMO_CMP_USE_ALT_VREF) && DEMO_CMP_USE_ALT_VREF
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dacConfigStruct.referenceVoltageSource = kACMP_VrefSourceVin2;
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#else
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dacConfigStruct.referenceVoltageSource = kACMP_VrefSourceVin1;
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#endif /* DEMO_ACMP_USE_ALT_VREF */
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dacConfigStruct.DACValue = 0x7FU; /* Half of referene voltage. */
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#if defined(FSL_FEATURE_ACMP_HAS_C1_DACOE_BIT) && (FSL_FEATURE_ACMP_HAS_C1_DACOE_BIT == 1U)
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dacConfigStruct.enableOutput = false;
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#endif
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dacConfigStruct.workMode = kACMP_DACWorkLowSpeedMode;
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ACMP_SetDACConfig(DEMO_CMP_BASEADDR, &dacConfigStruct);
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ACMP_Enable(DEMO_CMP_BASEADDR, true);
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#else
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cmp_config_t cmpConfig;
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cmp_dac_config_t cmpdacConfig;
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cmpdacConfig.referenceVoltageSource = kCMP_VrefSourceVin2;
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cmpdacConfig.DACValue = 32U; /* Set DAC output value */
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CMP_GetDefaultConfig(&cmpConfig);
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CMP_Init(DEMO_CMP_BASEADDR, &cmpConfig);
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/* Set input plus is CMP_channel1, input minus is CMP_DAC out */
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CMP_SetInputChannels(DEMO_CMP_BASEADDR, DEMO_CMP_MINUS_CHANNEL, DEMO_CMP_PLUS_CHANNEL);
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CMP_SetDACConfig(DEMO_CMP_BASEADDR, &cmpdacConfig);
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#endif
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}
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static void PIT_Configuration(void)
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{
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pit_config_t pitConfig;
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PIT_GetDefaultConfig(&pitConfig);
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pitConfig.enableRunInDebug = false;
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PIT_Init(DEMO_PIT_BASEADDR, &pitConfig);
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/* Set period is 500ms */
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PIT_SetTimerPeriod(DEMO_PIT_BASEADDR, DEMO_PIT_CHANNEL, USEC_TO_COUNT(500000u, BUS_CLK_FREQ));
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PIT_StartTimer(DEMO_PIT_BASEADDR, DEMO_PIT_CHANNEL);
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}
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static void XBAR_Configuration(void)
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{
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xbara_control_config_t xbaraConfig;
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/* Init XBAR module. */
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XBARA_Init(DEMO_XBARA_BASEADDR);
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XBARB_Init(DEMO_XBARB_BASEADDR);
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/* Configure the XBAR signal connections */
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XBARB_SetSignalsConnection(DEMO_XBARB_BASEADDR, DEMO_XBARB_INPUT_CMP_SIGNAL, DEMO_XBARB_OUTPUT_AOI_SIGNAL_1);
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XBARB_SetSignalsConnection(DEMO_XBARB_BASEADDR, DEMO_XBARB_INPUT_PIT_SIGNAL, DEMO_XBARB_OUTPUT_AOI_SIGNAL_2);
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XBARA_SetSignalsConnection(DEMO_XBARA_BASEADDR, DEMO_XBARA_INPUT_AOI_SIGNAL, DEMO_XBARA_OUTPUT_SIGNAL);
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/* Configure the XBARA interrupt */
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xbaraConfig.activeEdge = kXBARA_EdgeRising;
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xbaraConfig.requestType = kXBARA_RequestInterruptEnalbe;
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XBARA_SetOutputSignalConfig(DEMO_XBARA_BASEADDR, DEMO_XBARA_OUTPUT_SIGNAL, &xbaraConfig);
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/* Enable at the NVIC. */
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EnableIRQ(DEMO_XBARA_IRQ_ID);
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}
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static void AOI_Configuration(void)
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{
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aoi_event_config_t aoiEventLogicStruct;
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/* Configure the AOI event */
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aoiEventLogicStruct.PT0AC = kAOI_InputSignal; /* CMP0 output*/
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aoiEventLogicStruct.PT0BC = kAOI_InvInputSignal; /* PIT0 output*/
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aoiEventLogicStruct.PT0CC = kAOI_LogicOne;
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aoiEventLogicStruct.PT0DC = kAOI_LogicOne;
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aoiEventLogicStruct.PT1AC = kAOI_LogicZero;
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aoiEventLogicStruct.PT1BC = kAOI_LogicOne;
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aoiEventLogicStruct.PT1CC = kAOI_LogicOne;
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aoiEventLogicStruct.PT1DC = kAOI_LogicOne;
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aoiEventLogicStruct.PT2AC = kAOI_LogicZero;
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aoiEventLogicStruct.PT2BC = kAOI_LogicOne;
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aoiEventLogicStruct.PT2CC = kAOI_LogicOne;
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aoiEventLogicStruct.PT2DC = kAOI_LogicOne;
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aoiEventLogicStruct.PT3AC = kAOI_LogicZero;
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aoiEventLogicStruct.PT3BC = kAOI_LogicOne;
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aoiEventLogicStruct.PT3CC = kAOI_LogicOne;
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aoiEventLogicStruct.PT3DC = kAOI_LogicOne;
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/* Init AOI module. */
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AOI_Init(DEMO_AOI_BASEADDR);
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AOI_SetEventLogicConfig(DEMO_AOI_BASEADDR, kAOI_Event0, &aoiEventLogicStruct);
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}
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void DEMO_XBARA_IRQ_HANDLER_FUNC(void)
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{
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/* Clear interrupt flag */
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XBARA_ClearStatusFlags(DEMO_XBARA_BASEADDR, kXBARA_EdgeDetectionOut0);
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g_xbaraInterrupt = true;
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SDK_ISR_EXIT_BARRIER;
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}
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int main(void)
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{
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/* Init board hardware */
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BOARD_ConfigMPU();
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BOARD_InitBootPins();
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BOARD_InitBootClocks();
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BOARD_InitDebugConsole();
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/* Init PIT timer */
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PIT_Configuration();
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/* Init CMP */
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CMP_Configuration();
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/* Init XBAR */
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XBAR_Configuration();
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/* Init AOI */
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AOI_Configuration();
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PRINTF("XBAR and AOI Demo: Start...\r\n");
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while (1)
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{
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if (g_xbaraInterrupt)
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{
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g_xbaraInterrupt = false;
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PRINTF("XBAR interrupt occurred\r\n\r\n");
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}
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}
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}
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