| 1 | /*************************************************************************** |
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| 2 | * Copyright (c) 2006-2011, Broadcom Corporation |
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| 3 | * All Rights Reserved |
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| 4 | * Confidential Property of Broadcom Corporation |
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| 5 | * |
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| 6 | * THIS SOFTWARE MAY ONLY BE USED SUBJECT TO AN EXECUTED SOFTWARE LICENSE |
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| 7 | * AGREEMENT BETWEEN THE USER AND BROADCOM. YOU HAVE NO RIGHT TO USE OR |
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| 8 | * EXPLOIT THIS MATERIAL EXCEPT SUBJECT TO THE TERMS OF SUCH AN AGREEMENT. |
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| 9 | * |
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| 10 | * $brcm_Workfile: bape_adc_input.c $ |
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| 11 | * $brcm_Revision: Hydra_Software_Devel/4 $ |
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| 12 | * $brcm_Date: 8/12/11 4:18p $ |
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| 13 | * |
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| 14 | * Module Description: Audio adc input Interface |
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| 15 | * |
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| 16 | * Revision History: |
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| 17 | * |
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| 18 | * $brcm_Log: /magnum/portinginterface/ape/7422/bape_adc_input.c $ |
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| 19 | * |
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| 20 | * Hydra_Software_Devel/4 8/12/11 4:18p venkatr |
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| 21 | * SWDTV-6584 : [35233] ADC input code cleanup |
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| 22 | * |
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| 23 | ***************************************************************************/ |
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| 24 | #include "bape.h" |
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| 25 | #include "bape_priv.h" |
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| 26 | #if defined BCHP_AUDADC_CTRL_REG_START |
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| 27 | #include "bchp_audadc_ctrl.h" |
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| 28 | #endif |
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| 29 | |
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| 30 | BDBG_MODULE(bape_adc_input); |
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| 31 | |
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| 32 | #if BAPE_CHIP_MAX_ADC_INPUTS > 0 |
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| 33 | |
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| 34 | /* Actual Implementation */ |
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| 35 | BDBG_OBJECT_ID(BAPE_AdcInput); |
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| 36 | typedef struct BAPE_AdcInput |
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| 37 | { |
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| 38 | BDBG_OBJECT(BAPE_AdcInput) |
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| 39 | BAPE_Handle deviceHandle; |
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| 40 | BAPE_InputPortObject connector; |
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| 41 | unsigned index; |
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| 42 | BAPE_AdcInputSettings settings; |
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| 43 | bool enable; |
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| 44 | char name[11]; /* ADC IN %d */ |
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| 45 | /* TODO: More as required... */ |
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| 46 | }BAPE_AdcInput; |
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| 47 | |
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| 48 | static void BAPE_AdcInput_P_Enable(BAPE_InputPort inputPort); |
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| 49 | static void BAPE_AdcInput_P_Disable(BAPE_InputPort inputPort); |
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| 50 | |
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| 51 | void BAPE_AdcInput_GetDefaultSettings( |
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| 52 | BAPE_AdcInputSettings *pSettings /* [out] */ |
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| 53 | ) |
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| 54 | { |
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| 55 | BDBG_ASSERT(NULL != pSettings); |
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| 56 | BKNI_Memset(pSettings, 0, sizeof(*pSettings)); |
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| 57 | pSettings->sampleRate = 48000; /*Currently only 48k supported */ |
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| 58 | pSettings->inputNumber = 2; /*TBD: MUX_CTRL value*/ |
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| 59 | return; |
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| 60 | } |
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| 61 | |
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| 62 | BERR_Code BAPE_AdcInput_Open( |
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| 63 | BAPE_Handle deviceHandle, |
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| 64 | unsigned index, |
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| 65 | const BAPE_AdcInputSettings *pSettings, |
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| 66 | BAPE_AdcInputHandle *pHandle /* [out] */ |
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| 67 | ) |
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| 68 | { |
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| 69 | BERR_Code errCode; |
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| 70 | BAPE_AdcInputHandle handle; |
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| 71 | BAPE_AdcInputSettings defaultSettings; |
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| 72 | uint32_t RegVal = 0; |
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| 73 | BREG_Handle RegHandle = NULL; |
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| 74 | |
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| 75 | BDBG_OBJECT_ASSERT(deviceHandle, BAPE_Device); |
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| 76 | BDBG_ASSERT(NULL != pHandle); |
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| 77 | |
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| 78 | *pHandle = NULL; |
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| 79 | if ( index >= BAPE_CHIP_MAX_ADC_INPUTS ) |
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| 80 | { |
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| 81 | BDBG_ERR(("Request to open ADC %d but chip only has %u ADC inputs", index, BAPE_CHIP_MAX_ADC_INPUTS )); |
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| 82 | return BERR_TRACE(BERR_INVALID_PARAMETER); |
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| 83 | } |
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| 84 | |
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| 85 | if ( deviceHandle->adcInputs[index] ) |
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| 86 | { |
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| 87 | BDBG_ERR(("ADC input %d already open", index)); |
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| 88 | return BERR_TRACE(BERR_INVALID_PARAMETER); |
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| 89 | } |
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| 90 | |
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| 91 | handle = BKNI_Malloc(sizeof(BAPE_AdcInput)); |
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| 92 | if ( NULL == handle ) |
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| 93 | { |
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| 94 | return BERR_TRACE(BERR_OUT_OF_SYSTEM_MEMORY); |
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| 95 | } |
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| 96 | |
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| 97 | /* Init to specified settings */ |
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| 98 | if ( NULL == pSettings ) |
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| 99 | {/*Move this to before init of connect settings*/ |
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| 100 | BAPE_AdcInput_GetDefaultSettings(&defaultSettings); |
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| 101 | pSettings = &defaultSettings; |
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| 102 | } |
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| 103 | |
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| 104 | BKNI_Memset(handle, 0, sizeof(BAPE_AdcInput)); |
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| 105 | BDBG_OBJECT_SET(handle, BAPE_AdcInput); |
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| 106 | BAPE_P_InitInputPort(&handle->connector, BAPE_InputPortType_eAdc, index, handle); |
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| 107 | /*Do we need Rx call back function for adc ? */ |
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| 108 | handle->deviceHandle = deviceHandle; |
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| 109 | handle->index = index; |
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| 110 | handle->connector.streamId[BAPE_ChannelPair_eLeftRight] = 10;/*From RDB*/ |
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| 111 | handle->connector.enable = BAPE_AdcInput_P_Enable; |
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| 112 | handle->connector.disable = BAPE_AdcInput_P_Disable; |
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| 113 | handle->connector.numChannelPairs = 1; |
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| 114 | handle->connector.sampleRate = pSettings->sampleRate; |
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| 115 | handle->connector.compressed = false; |
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| 116 | BKNI_Snprintf(handle->name, sizeof(handle->name), "ADC IN %u", index); |
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| 117 | handle->connector.pName = handle->name; |
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| 118 | |
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| 119 | RegHandle = deviceHandle->regHandle; |
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| 120 | /* Bring ADC In out of Reset */ |
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| 121 | RegVal = BREG_Read32(RegHandle, BCHP_AUDADC_CTRL_RESET_CTRL); |
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| 122 | RegVal &= ~ ((BCHP_MASK(AUDADC_CTRL_RESET_CTRL, SYNC_RESET_FIFO)) | |
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| 123 | (BCHP_MASK(AUDADC_CTRL_RESET_CTRL, SYNC_RESET))); |
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| 124 | RegVal |= ((BCHP_FIELD_ENUM( |
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| 125 | AUDADC_CTRL_RESET_CTRL, SYNC_RESET_FIFO, |
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| 126 | Normal_operation)) | |
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| 127 | (BCHP_FIELD_ENUM( |
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| 128 | AUDADC_CTRL_RESET_CTRL, SYNC_RESET, |
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| 129 | Normal_operation))); |
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| 130 | BREG_Write32(RegHandle, BCHP_AUDADC_CTRL_RESET_CTRL, RegVal); |
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| 131 | |
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| 132 | errCode = BAPE_AdcInput_SetSettings(handle, pSettings); |
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| 133 | if ( errCode ) |
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| 134 | { |
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| 135 | BAPE_AdcInput_Close(handle); |
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| 136 | return BERR_TRACE(errCode); |
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| 137 | } |
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| 138 | |
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| 139 | /* Start ADC */ |
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| 140 | RegVal = BREG_Read32(RegHandle, BCHP_AUDADC_CTRL_CONFIG); |
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| 141 | |
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| 142 | RegVal &= ~(BCHP_MASK (AUDADC_CTRL_CONFIG, |
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| 143 | ADC_OUTFIFO_ENA)); |
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| 144 | |
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| 145 | RegVal |= (BCHP_FIELD_ENUM(AUDADC_CTRL_CONFIG, |
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| 146 | ADC_OUTFIFO_ENA, enable)); |
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| 147 | |
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| 148 | BREG_Write32(RegHandle, BCHP_AUDADC_CTRL_CONFIG, RegVal); |
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| 149 | |
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| 150 | |
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| 151 | /* Clear the interrupts before enabling any callbacks */ |
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| 152 | |
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| 153 | *pHandle = handle; |
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| 154 | handle->deviceHandle->adcInputs[index] = handle; |
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| 155 | |
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| 156 | return BERR_SUCCESS; |
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| 157 | } |
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| 158 | |
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| 159 | void BAPE_AdcInput_Close( |
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| 160 | BAPE_AdcInputHandle handle |
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| 161 | ) |
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| 162 | { |
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| 163 | uint32_t RegVal; |
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| 164 | BREG_Handle RegHandle = NULL; |
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| 165 | |
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| 166 | BDBG_OBJECT_ASSERT(handle, BAPE_AdcInput); |
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| 167 | |
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| 168 | /* Make sure we're not still connected to anything */ |
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| 169 | if ( handle->connector.pConsumer ) |
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| 170 | { |
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| 171 | BDBG_ERR(("Cannot close ADC input %p (%d), still connected to %s", handle, handle->index, handle->connector.pConsumer->pName)); |
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| 172 | BDBG_ASSERT(NULL == handle->connector.pConsumer); |
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| 173 | return; |
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| 174 | } |
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| 175 | RegHandle = handle->deviceHandle->regHandle; |
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| 176 | /* Stop the ADC */ |
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| 177 | RegVal = BREG_Read32(RegHandle,BCHP_AUDADC_CTRL_CONFIG); |
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| 178 | |
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| 179 | RegVal &= ~(BCHP_MASK (AUDADC_CTRL_CONFIG, |
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| 180 | ADC_OUTFIFO_ENA)); |
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| 181 | |
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| 182 | RegVal |= (BCHP_FIELD_ENUM(AUDADC_CTRL_CONFIG, |
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| 183 | ADC_OUTFIFO_ENA, disable)); |
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| 184 | |
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| 185 | BREG_Write32(RegHandle,BCHP_AUDADC_CTRL_CONFIG,RegVal); |
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| 186 | |
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| 187 | handle->deviceHandle->adcInputs[handle->index] = NULL; |
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| 188 | |
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| 189 | BDBG_OBJECT_DESTROY(handle, BAPE_AdcInput); |
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| 190 | BKNI_Free(handle); |
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| 191 | } |
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| 192 | |
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| 193 | void BAPE_AdcInput_GetSettings( |
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| 194 | BAPE_AdcInputHandle handle, |
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| 195 | BAPE_AdcInputSettings *pSettings /* [out] */ |
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| 196 | ) |
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| 197 | { |
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| 198 | BDBG_OBJECT_ASSERT(handle, BAPE_AdcInput); |
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| 199 | BDBG_ASSERT(NULL != pSettings); |
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| 200 | *pSettings = handle->settings; |
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| 201 | } |
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| 202 | |
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| 203 | BERR_Code BAPE_AdcInput_SetSettings( |
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| 204 | BAPE_AdcInputHandle handle, |
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| 205 | const BAPE_AdcInputSettings *pSettings |
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| 206 | ) |
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| 207 | { |
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| 208 | uint32_t RegVal; |
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| 209 | BREG_Handle RegHandle = NULL; |
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| 210 | |
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| 211 | BDBG_OBJECT_ASSERT(handle, BAPE_AdcInput); |
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| 212 | BDBG_ASSERT(NULL != pSettings); |
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| 213 | |
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| 214 | RegHandle = handle->deviceHandle->regHandle; |
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| 215 | |
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| 216 | /* Choose the Input in Mux */ |
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| 217 | RegVal = BREG_Read32(RegHandle, BCHP_AUDADC_CTRL_ADC_MUX_SEL); |
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| 218 | RegVal &= ~ ((BCHP_MASK(AUDADC_CTRL_ADC_MUX_SEL, MUX_SEL))); |
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| 219 | RegVal |= pSettings->inputNumber; |
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| 220 | BREG_Write32 (RegHandle, BCHP_AUDADC_CTRL_ADC_MUX_SEL, RegVal); |
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| 221 | |
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| 222 | /* Program the NCO Configuration and Decim Factor */ |
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| 223 | RegVal = BREG_Read32 (RegHandle, BCHP_AUDADC_CTRL_NCO_CFG); |
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| 224 | RegVal &= ~ ((BCHP_MASK(AUDADC_CTRL_NCO_CFG, IGNORE_RM)) | |
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| 225 | (BCHP_MASK(AUDADC_CTRL_NCO_CFG, PHASE_INC)) | |
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| 226 | (BCHP_MASK(AUDADC_CTRL_NCO_CFG, TIMEBASE15_TEST))); |
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| 227 | |
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| 228 | switch (pSettings->sampleRate) |
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| 229 | { |
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| 230 | case 48000: |
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| 231 | RegVal |= \ |
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| 232 | (BCHP_FIELD_ENUM(AUDADC_CTRL_NCO_CFG, PHASE_INC, FS_48000Hz)); |
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| 233 | break; |
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| 234 | |
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| 235 | default: |
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| 236 | BDBG_ERR (("AUDADC :: This sampling rate is not handled")); |
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| 237 | } |
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| 238 | RegVal |= \ |
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| 239 | ( (BCHP_FIELD_ENUM(AUDADC_CTRL_NCO_CFG, IGNORE_RM, Freerun)) | |
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| 240 | (BCHP_FIELD_ENUM(AUDADC_CTRL_NCO_CFG, TIMEBASE15_TEST, Normal))); |
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| 241 | |
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| 242 | BREG_Write32 (RegHandle, BCHP_AUDADC_CTRL_NCO_CFG, RegVal); |
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| 243 | |
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| 244 | |
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| 245 | /* Program the IIR filters for ADC - the Peak B0,B1 and B2 will have |
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| 246 | to be programmed based on sampling rate while the other IIRs |
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| 247 | can be programmed with fixed values |
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| 248 | */ |
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| 249 | switch (pSettings->sampleRate) |
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| 250 | { |
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| 251 | case 48000: |
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| 252 | /* Program the DECIM factor based on the sampling rate */ |
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| 253 | RegVal = BREG_Read32 (RegHandle, BCHP_AUDADC_CTRL_CONFIG); |
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| 254 | RegVal &= ~ (BCHP_MASK(AUDADC_CTRL_CONFIG, ADC_CIC_DECIM_FACTOR)); |
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| 255 | /* Except for 32k decim factor for all others should be 32X. |
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| 256 | For 32k it should be 48X */ |
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| 257 | RegVal |= (BCHP_FIELD_ENUM(AUDADC_CTRL_CONFIG, |
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| 258 | ADC_CIC_DECIM_FACTOR, Decim32X)); |
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| 259 | BREG_Write32 (RegHandle, BCHP_AUDADC_CTRL_CONFIG, RegVal); |
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| 260 | |
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| 261 | RegVal = BREG_Read32 (RegHandle, BCHP_AUDADC_CTRL_PEAK_B0); |
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| 262 | RegVal &= ~(BCHP_MASK(AUDADC_CTRL_PEAK_B0, COEFF)); |
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| 263 | RegVal |= (BCHP_FIELD_ENUM( |
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| 264 | AUDADC_CTRL_PEAK_B0, COEFF, B0_Fs48000)); |
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| 265 | BREG_Write32 (RegHandle, BCHP_AUDADC_CTRL_PEAK_B0, RegVal); |
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| 266 | |
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| 267 | RegVal = BREG_Read32 (RegHandle, BCHP_AUDADC_CTRL_PEAK_B1); |
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| 268 | RegVal &= ~(BCHP_MASK(AUDADC_CTRL_PEAK_B1, COEFF)); |
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| 269 | RegVal |= (BCHP_FIELD_ENUM( |
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| 270 | AUDADC_CTRL_PEAK_B1, COEFF, B1_Fs48000)); |
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| 271 | BREG_Write32 (RegHandle, BCHP_AUDADC_CTRL_PEAK_B1, RegVal); |
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| 272 | |
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| 273 | RegVal = BREG_Read32 (RegHandle, BCHP_AUDADC_CTRL_PEAK_B2); |
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| 274 | RegVal &= ~(BCHP_MASK(AUDADC_CTRL_PEAK_B2, COEFF)); |
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| 275 | RegVal |= (BCHP_FIELD_ENUM( |
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| 276 | AUDADC_CTRL_PEAK_B2, COEFF, B2_Fs48000)); |
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| 277 | BREG_Write32 (RegHandle, BCHP_AUDADC_CTRL_PEAK_B2, RegVal); |
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| 278 | break; |
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| 279 | |
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| 280 | default: |
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| 281 | BDBG_ERR (("AUDADC :: This sampling rate is not handled")); |
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| 282 | } |
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| 283 | |
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| 284 | BREG_Write32 (RegHandle, BCHP_AUDADC_CTRL_IIR0_B0, 0x200000); |
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| 285 | BREG_Write32 (RegHandle, BCHP_AUDADC_CTRL_IIR0_B1, 0x000000); |
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| 286 | BREG_Write32 (RegHandle, BCHP_AUDADC_CTRL_IIR0_A1, 0x000000); |
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| 287 | |
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| 288 | BREG_Write32 (RegHandle, BCHP_AUDADC_CTRL_IIR1_B0, 0x200000); |
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| 289 | BREG_Write32 (RegHandle, BCHP_AUDADC_CTRL_IIR1_B1, 0x000000); |
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| 290 | BREG_Write32 (RegHandle, BCHP_AUDADC_CTRL_IIR1_A1, 0x000000); |
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| 291 | |
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| 292 | BREG_Write32 (RegHandle, BCHP_AUDADC_CTRL_IIR2_B0, 0x200000); |
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| 293 | BREG_Write32 (RegHandle, BCHP_AUDADC_CTRL_IIR2_B1, 0x000000); |
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| 294 | BREG_Write32 (RegHandle, BCHP_AUDADC_CTRL_IIR2_A1, 0x000000); |
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| 295 | |
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| 296 | handle->connector.sampleRate = pSettings->sampleRate; |
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| 297 | handle->settings = *pSettings; |
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| 298 | |
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| 299 | return BERR_SUCCESS; |
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| 300 | } |
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| 301 | |
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| 302 | void BAPE_AdcInput_GetInputPort( |
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| 303 | BAPE_AdcInputHandle handle, |
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| 304 | BAPE_InputPort *pPort |
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| 305 | ) |
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| 306 | { |
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| 307 | BDBG_OBJECT_ASSERT(handle, BAPE_AdcInput); |
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| 308 | BDBG_ASSERT(NULL != pPort); |
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| 309 | *pPort = &handle->connector; |
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| 310 | } |
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| 311 | static void BAPE_AdcInput_P_Enable(BAPE_InputPort inputPort) |
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| 312 | { |
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| 313 | BAPE_AdcInputHandle handle; |
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| 314 | |
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| 315 | handle = inputPort->pHandle; |
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| 316 | BDBG_OBJECT_ASSERT(handle, BAPE_AdcInput); |
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| 317 | BDBG_ASSERT(false == handle->enable); |
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| 318 | |
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| 319 | BDBG_MSG(("Enabling %s", handle->name)); |
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| 320 | BAPE_Iop_P_EnableCapture( handle->deviceHandle, inputPort->streamId[0], inputPort->numChannelPairs ); |
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| 321 | |
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| 322 | handle->enable = true; |
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| 323 | } |
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| 324 | |
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| 325 | static void BAPE_AdcInput_P_Disable(BAPE_InputPort inputPort) |
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| 326 | { |
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| 327 | BAPE_AdcInputHandle handle; |
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| 328 | |
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| 329 | handle = inputPort->pHandle; |
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| 330 | BDBG_OBJECT_ASSERT(handle, BAPE_AdcInput); |
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| 331 | BDBG_ASSERT(true == handle->enable); |
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| 332 | |
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| 333 | BDBG_MSG(("Disabling %s", handle->name)); |
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| 334 | BAPE_Iop_P_DisableCapture( handle->deviceHandle, inputPort->streamId[0], inputPort->numChannelPairs ); |
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| 335 | |
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| 336 | handle->enable = false; |
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| 337 | } |
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| 338 | |
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| 339 | #else |
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| 340 | /* Stubs for chips without ADC */ |
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| 341 | void BAPE_AdcInput_GetDefaultSettings( |
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| 342 | BAPE_AdcInputSettings *pSettings /* [out] */ |
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| 343 | ) |
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| 344 | { |
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| 345 | BSTD_UNUSED(pSettings); |
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| 346 | } |
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| 347 | |
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| 348 | BERR_Code BAPE_AdcInput_Open( |
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| 349 | BAPE_Handle deviceHandle, |
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| 350 | unsigned index, |
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| 351 | const BAPE_AdcInputSettings *pSettings, |
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| 352 | BAPE_AdcInputHandle *pHandle /* [out] */ |
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| 353 | ) |
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| 354 | { |
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| 355 | BSTD_UNUSED(deviceHandle); |
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| 356 | BSTD_UNUSED(index); |
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| 357 | BSTD_UNUSED(pSettings); |
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| 358 | BSTD_UNUSED(pHandle); |
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| 359 | return BERR_TRACE(BERR_NOT_SUPPORTED); |
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| 360 | } |
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| 361 | |
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| 362 | void BAPE_AdcInput_Close( |
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| 363 | BAPE_AdcInputHandle handle |
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| 364 | ) |
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| 365 | { |
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| 366 | BSTD_UNUSED(handle); |
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| 367 | } |
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| 368 | |
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| 369 | void BAPE_AdcInput_GetSettings( |
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| 370 | BAPE_AdcInputHandle handle, |
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| 371 | BAPE_AdcInputSettings *pSettings /* [out] */ |
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| 372 | ) |
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| 373 | { |
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| 374 | BSTD_UNUSED(handle); |
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| 375 | BSTD_UNUSED(pSettings); |
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| 376 | } |
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| 377 | |
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| 378 | BERR_Code BAPE_AdcInput_SetSettings( |
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| 379 | BAPE_AdcInputHandle handle, |
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| 380 | const BAPE_AdcInputSettings *pSettings |
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| 381 | ) |
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| 382 | { |
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| 383 | BSTD_UNUSED(handle); |
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| 384 | BSTD_UNUSED(pSettings); |
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| 385 | return BERR_TRACE(BERR_NOT_SUPPORTED); |
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| 386 | } |
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| 387 | |
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| 388 | void BAPE_AdcInput_GetInputPort( |
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| 389 | BAPE_AdcInputHandle handle, |
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| 390 | BAPE_InputPort *pPort |
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| 391 | ) |
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| 392 | { |
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| 393 | BSTD_UNUSED(handle); |
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| 394 | BSTD_UNUSED(pPort); |
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| 395 | } |
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| 396 | #endif |
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