使用ADSP-CM408F ADC控制器的电机控制反馈采样时序

Q_MEMORY];

　　55. static ADI_TRU_HANDLE hTru;

　　/*TRU Device Memory and Handle*/

　　/*************Function Prototypes****************/

　　56. void SetupADC(void);

　　57. void SetupTRU(void);

　　58. static void AdccTmr0Callback(void *pCBParam, uint32_t Event, void *pArg);

　　59. static void AdccTmr1Callback(void *pCBParam, uint32_t Event, void *pArg);

　　/******Function to Configure ADCC***************/

　　60. void SetupADC(void) {

　　61. static ADI_ADCC_RESULT result;

　　/*Set Up Event Configuration Table*/

　　62. ADI_ADCC_EVENT_CFG EventCFG[NO_OF_EVENTS] = {

　　63. {0, ES_CTL, ADI_ADCC_ADCIF0, ADI_ADCC_TIMER0, true, 0, SMP_TIME0},

　　64. {1, EC_CTL, ADI_ADCC_ADCIF1, ADI_ADCC_TIMER0, true, 2, SMP_TIME1},

　　65. {2, VDC_CTL, ADI_ADCC_ADCIF0, ADI_ADCC_TIMER0, false, 4, SMP_TIME2 },

　　66. {3, THS_CTL, ADI_ADCC_ADCIF0, ADI_ADCC_TIMER0, false, 6, SMP_TIME3 },

　　67. {4, IV_CTL, ADI_ADCC_ADCIF0, ADI_ADCC_TIMER1, true, 8, SMP_TIME4 },

　　68. {5, IW_CTL, ADI_ADCC_ADCIF1, ADI_ADCC_TIMER1, true, 10, SMP_TIME5 }}; /*Event#, CTL_WORD, ADC Interface, Timer ID, sim. samp, Mem offset in frame, Event time */

　　P16

　　/*ADCC Setup API Functions*/

　　69. result = adi_adcc_OpenDevice(ADCC_DEVICE_NUM, ADCCMemory, &hADCC);

　　70. result = adi_adcc_OpenTimer(hADCC, ADI_ADCC_TIMER0, ADCCTmr0Memory, &hADCCTimer0);

　　71. result = adi_adcc_OpenTimer(hADCC, ADI_ADCC_TIMER1, ADCCTmr1Memory, &hADCCTimer1); /* ADCC Device handle, Timer to open, Timer memory, Pointer to the timer handle */

　　72. result = adi_adcc_RegisterTmrCallback (hADCCTimer0, AdccTmr0Callback, hADCCTimer0);

　　73. result = adi_adcc_RegisterTmrCallback (hADCCTimer1, AdccTmr1Callback, hADCCTimer1);/*Register callback functions*/

　　74. result = adi_adcc_EnableDMAMode(hADCC,true);

　　75. result = adi_adcc_ConfigADCCClock(hADCC, ADI_ADCC_ADCIF0, false,1u, 8u);

　　76. result = adi_adcc_ConfigADCCClock(hADCC, ADI_ADCC_ADCIF1, false,1u, 8u ); /*For each ADC interface: ADCC handle, ADC Interface number, falling edge, ACLK Clock divide, NCK*/

　　77. result = adi_adcc_ConfigChipSelect(hADCC, ADI_ADCC_ADCIF0, false, 1u, 0u, 9);

　　78. result = adi_adcc_ConfigChipSelect(hADCC, ADI_ADCC_ADCIF1, false, 1u, 0u, 9);/*For each interface: ADCC handle, ADC interface, active low, TCSCK, TCKCS, TCSCS*/

　　79. result = adi_adcc_ConfigTimer(hADCCTimer0, ADI_ADCC_TRIG0, true, false);

　　80. result = adi_adcc_ConfigTimer(hADCCTimer1, ADI_ADCC_TRIG0, true, false); /*For each timer: Timer handle, Timer trigger source, falling edge trigger, No trigger output */

　　81. result = adi_adcc_ConfigEvent(hADCC, &EventCFG[0], NO_OF_EVENTS); /*ADCC handle, Pointer to the event configuration table, Number of events in the table */

　　82. result = adi_adcc_SetEventMask(hADCC, EVENT_MASK); /* Handle to the device, Enable all events */

　　83. adi_adcc_EnableDualBitDataIF(hADCC, true); /*Dual bit interface allows highest throughput*/

　　84. memset((void *)SampleBuffer0, 0, NUM_SAMPLES0 * sizeof(short));

　　85. memset((void *) SampleBuffer1, 0, NUM_SAMPLES1 * sizeof(short));

　　86. result = adi_adcc_SubmitBuffer(hADCCTimer0, SampleBuffer0, FRAME_INC0, FRAMES_IN_BUFFER);

　　87. result = adi_adcc_SubmitBuffer(hADCCTimer1, SampleBuffer1, FRAME_INC1, FRAMES_IN_BUFFER);

　　/*For each timer: timer handle, Pointer to the buffer, Frame increment, Number of frames that fits into the given buffer */

　　88. result = adi_adcc_EnableTimer(hADCCTimer0, true);

　　89. result = adi_adcc_EnableTimer(hADCCTimer1, true);

　　90. result = adi_adcc_EnableDevice(hADCC, true);

　　/*Enable everything*/

　　91. }

　　/*******Function to Configure TRU****************/

92. void Se