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Description: This function turns off the DCI module Include: dci.h Prototype: void CloseDCI(void); Arguments: None Return Value: None Remarks: This function first turns off the DCImodule and then disables the DCI interrupt.The Interrupt Flag bit is also cleared. Source File: CloseDCI.c Code Example: CloseDCI(); BufferEmptyDCI Description: This function returns the DCI Transmit Buffer Full status. Include: dci.h Prototype: char BufferEmptyDCI(void); Arguments: None Return Value: If the value of TMPTY is ‘1’, then ‘1’ is returned, indicating that the transmit buffer is empty. If the value of TMPTY is ‘0’, then ‘0’ is returned, indicating that the transmit buffer is not empty. Remarks: This function returns the status of the DCISTAT bit. This bit indicates whether the transmit buffer is empty. Source File: BufferEmptyDCI.c Code Example: while(!BufferEmptyDCI()); dsPIC Peripheral Libraries 2004 Microchip Technology Inc. DS51456B-page 151 ConfigIntDCI Description: This function configures the DCI interrupt. Include: dci.h Prototype: void ConfigIntDCI(unsigned int config); Arguments: config DCI interrupt priority and enable/disable information as defined below: DCI Interrupt enable/disable DCI_INT_ON DCI_INT_OFF DCI Interrupt priority DCI_INT_PRI_0 DCI_INT_PRI_1 DCI_INT_PRI_2 DCI_INT_PRI_3 Kiểm soát biện minh dữ liệu DCI_DJST_ON DCI_DJST_OFF Khung chế độ Sync chọn DCI_FSM_ACLINK_20BIT DCI_FSM_ACLINK_16BIT DCI_FSM_I2S DCI_FSM_MULTI config2 này chứa các thông số được cấu hình trong các DCICON2 đăng ký theo quy định dưới đây: Đệm dài DCI_BUFF_LEN_4 DCI_BUFF_LEN_3 DCI_BUFF_LEN_2 DCI_BUFF_LEN_1 DCI Khung điều khiển máy phát đồng bộ DCI_FRAME_LEN_16 DCI_FRAME_LEN_15 DCI_FRAME_LEN_14 ..... DCI_FRAME_LEN_1 DCI kích thước từ dữ liệu DCI_DATA_WORD_16 DCI_DATA_WORD_15 DCI_DATA_WORD_14 ..... DCI_DATA_WORD_5 DCI_DATA_WORD_4 OpenDCI (Tiếp theo) dsPIC Thư viện ngoại vi 2004 Microchip Technology Inc DS51456B trang 153 config3 này chứa các bit giá trị máy phát điện đồng hồ để được cấu hình trong đăng ký DCICON3. trans_mask / này chứa các truyền / nhận khe recv_mask Enable bit được cấu hình vào TSCON / RSCON đăng ký theo quy định dưới đây: DCI_DIS_SLOT_15 DCI_DIS_SLOT_14 .....
DCI_INT_PRI_4 DCI_INT_PRI_5 DCI_INT_PRI_6 DCI_INT_PRI_7 Return Value: None Remarks: This function clears the Interrupt Flag (DCIIF) bit and then sets the interrupt priority and enables/disables the interrupt. Source File: ConfigIntDCI.c Code Example: ConfigIntDCI(DCI_INT_PRI_6& DCI_INT_ENABLE); DataRdyDCI Description: This function returns the status of DCI receive buffers. Include: dci.h Prototype: char DataRdyDCI(void); Arguments: None Return Value: If the value of RFUL is ‘1’, then ‘1’ is returned, indicating that the data is ready to be read from the receive buffers. If the value of RFUL is ‘0’, then ‘0’ is returned, indicating that the receive buffers are empty. Remarks: This function returns the status of the DCISTAT bit. This bit indicates whether the data is available in the receive buffers. Source File: DataRdyDCI.c Code Example: while(!DataRdyDCI()); OpenDCI Description: This function configures the DCI. Include: dci.h Prototype: void OpenDCI(unsigned int config1, unsigned int config2, unsigned int config3, unsigned int trans_mask, unsigned int recv_mask) Arguments: config1 This contains the parameters to be configured in the DCION1 register as defined below: dsPIC ® Language Tools Libraries DCI_DIS_SLOT_1 DCI_DIS_SLOT_0 DCI_EN_SLOT_ALL DCI_DIS_SLOT_ALL Trở lại giá trị: Không Bình luận: thói quen này cấu hình các thông số sau: 1. DCICON1 đăng ký: Bit cho phép, Khung chế độ Sync, Giải thích dữ liệu, Hướng mẫu đồng hồ, Đồng hồ mẫu, Cạnh kiểm soát, Dẫn đầu ra Đồng bộ khung kiểm soát, Truyền liên tục / Nhận chế độ, Chế độ Van cân bằng. 2. DCICON2 đăng ký: Khung Sync phát điện điều khiển, Kích thước bit dữ liệu Word, Đệm bit lượng kiểm soát. 3. DCICON3 đăng ký: Clock Generator kiểm soát bit 4. TSCON đăng ký: Truyền khe thời gian Enable bit kiểm soát. 5. RSCON đăng ký: Nhận Giờ Khe cắm Enable bit kiểm soát. Source File: OpenDCI.c Mã số Ví dụ: DCICON1value = DCI_EN & DCI_IDLE_CON & DCI_DIGI_LPBACK_EN & DCI_SCKD_OUP & DCI_SAMP_CLK_FAL & DCI_FSD_OUP & DCI_TX_LASTVAL_UNF & DCI_SDO_TRISTAT & DCI_DJST_OFF & DCI_FSM_ACLINK_16BIT; DCICON2value = DCI_BUFF_LEN_4 & DCI_FRAME_LEN_2 & DS51456B-page 152 Module On/Off DCI_EN 2004 Microchip Technology Inc. DCI_DATA_WORD_16; DCICON3value = 0x02; RSCONvalue = DCI_EN_SLOT_ALL &
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2004 Microchip Technology Inc. DS51
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dsPIC ®LANGUAGE TOOLS LIBRARIES 20
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215 4.11 variable argument lists .
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and macros for standard C operation
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This documentation is provided on t
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• Development Systems Information
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data section. The alternate startup
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specific libraries.) When compiling
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esults will occur when the function
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A batch file named makedsplib.batis
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-15 or smaller than -1.0. Analogous
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CORCON saved, used, restored DOand
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fractional* srcV ); Arguments: numE
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VectorCorrelateis 4 less than whate
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less than or equal to any previous
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Remarks: The negated value of 0x800
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Cycles (including C-function call a
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plus program words from VectorCopy
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Prototype: extern fractional* Black
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); Arguments: numElems number of el
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the base address of the matrix. Bec
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in default RAM memory space (X-Data
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0 ≤i < numRows1 0 ≤j < numCols2
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20 + 3(numRows*numCols) MatrixSubtr
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(of the same dimension) whose eleme
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history of the filter. After perfor
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Oppenheim and Ronald Schafer’s Di
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modulo buffer. Source samples, x[n]
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FIRDelayInit Description: FIRDelayI
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filter. Include: dsp.h Prototype: e
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FIRStruct* filter, fractional* refS
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energyEstimate estimated energy val
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fractional* delayBase ); Arguments:
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Source File: iircan.asm DSP Library
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srcSamps pointer to source samples
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} IIRTransposedStruct; extern fract
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no REPEATinstructions Program words
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Language Tools Libraries DS51456B-p
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for instance if: a = Op1 (b, c), wi
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and stores the results in the desti
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Description: DCTIPcomputes the Disc
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int log2N, fractcomplex* dstCV, fra
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fractcomplex* srcCV, fractcomplex*
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value can be calculated using the i
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A complex vector of size N/2 must h
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specific libraries. When compiling
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Control I/O pin definitions RW_PIN
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y calling the BusyXLCD()function. T
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COM1_COM16 COM16_COM1 Display On/Of
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Source File: CAN1AbortAll.c CAN2Abo
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char CAN2IsRXPassive(void); Argumen
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CAN2SendMessage Description: This f
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CAN2SetMask Description: This funct
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CAN_IDLE_CON_NO_WAITCAN On in Idle
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CAN_INDI_INVMESS_DIS CAN_INDI_WAK_D
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{ /* Length of data tobe transmitte
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Return Value: If the value of DONE
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dsPIC Peripheral Libraries 2004 Mic
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..... SKIP_SCAN_AN15 Return Value:
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DS51456B-page 100 3.5.2 Individual
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3.6 ADC10 FUNCTIONS This section co
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Module On/Off ADC_MODULE_ON ADC_MOD
Page 129 and 130: ADPCFG register as defined below: E
Page 131 and 132: ADC_CHX_NEG_SAMPLEB_AN6AN7AN8 ADC_C
Page 133 and 134: Scanselect = SKIP_SCAN_AN2 & SKIP_S
Page 135 and 136: dsPIC ® Language Tools Libraries D
Page 137 and 138: void OpenTimer4(unsigned int config
Page 139 and 140: Tx_SOURCE_EXT Tx_SOURCE_INT period
Page 141 and 142: 3.7.2 Individual Macros WriteTimer2
Page 143 and 144: SetPriorityIntT4 SetPriorityIntT5 D
Page 145 and 146: Code Example: char reset_state; res
Page 147 and 148: Arguments: None Remarks: This macro
Page 149 and 150: stored into CNPU2 register. The upp
Page 151 and 152: SetPriorityInt2 SetPriorityInt3 Set
Page 153 and 154: IC_INT_PRIOR_3 IC_INT_PRIOR_4 IC_IN
Page 155 and 156: ReadCapture3 ReadCapture4 ReadCaptu
Page 159 and 160: void CloseOC4(void); void CloseOC5(
Page 161 and 162: Include: outcompare.h Prototype: vo
Page 163 and 164: Include: outcompare.h Prototype: un
Page 165 and 166: SetDCOC3PWM SetDCOC4PWM SetDCOC5PWM
Page 167 and 168: Code Example: pulse_start = 0x40 ;
Page 169 and 170: T3CON = 0x8000; T1CON = 0X8000; /*
Page 171 and 172: Transmit Interrupt Priority UART_TX
Page 173 and 174: UART_1STOPBIT config2 This contains
Page 175 and 176: Source File: WriteUART1.c WriteUART
Page 177 and 178: Code Example: EnableIntU2TX; Disabl
Page 179: ConfigIntUART1(UART_RX_INT_EN & UAR
Page 183 and 184: DCI_FRAME_LEN_15 DCI_FRAME_LEN_14 .
Page 185 and 186: Prototype: unsigned int ReadDCI(uns
Page 187 and 188: contents are sent duringthe timeslo
Page 189 and 190: SPI_INT_PRI_4 SPI_INT_PRI_5 SPI_INT
Page 191 and 192: Prototype: void WriteSPI1(unsigned
Page 193 and 194: Remarks: This functions initializes
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Page 197 and 198: SEC_PRESCAL_7_1 & PRI_PRESCAL_64_1;
Page 199 and 200: enables/disables the interrupt. Sou
Page 201 and 202: QEI_QE_CLK_DIVIDE_1_32 QEI_QE_CLK_D
Page 203 and 204: } int main(void) { unsigned int max
Page 207 and 208: PWM_PEN2H PWM_PDIS2H PWM_PEN1H PWM_
Page 209 and 210: PWM_POUT_1L Bit defines related to
Page 211 and 212: PWM_DTS3I_UA PWM_DTS3I_UB Dead Time
Page 213 and 214: PWM_OVA3H_INACTIVE PWM_OVA2H_INACTI
Page 215 and 216: Language Tools Libraries DS51456B-p
Page 217 and 218: #include #include void __attribute
Page 219 and 220: Prototype: void ConfigIntI2C(unsign
Page 221 and 222: Arguments: None Return Value None R
Page 223 and 224: a #definestatement in the i2c.h Sou
Page 225 and 226: I2C_IDLE_CON SCL Release Control bi
Page 227 and 228: i2c_data_wait This is the timeout c
Page 229 and 230: 3.17.2 Individual Macros StartI2C D
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Arguments: None Remarks: This macro
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• src\libm- source code for math
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Remarks: The expression evaluates t
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if (isalpha(ch)) printf("# is alpha
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Remarks: A character is considered
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ch = '&'; if (isprint(ch)) printf("
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int ch; ch = 'B'; printf("B changes
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dsPIC ® Language Tools Libraries D
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DBL_MIN_10_EXP Description: Minimum
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Include: Value: 1 Remarks: Rounds
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Description: Maximum value of a lon
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abort - terminating See the example
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} Output: Illegal instruction execu
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must be at least one named argument
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Include: Prototype: #define va_end
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to perform input and output operati
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_IOLBF Description: Indicates line
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Include: Prototype: void clearerr(
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Include: Prototype: int feof(FILE
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Error indicator reset Standard C Li
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fpos_t pos; char buf[25]; if ((myfi
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Description: Opens a file. Include:
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Explanation: afile1must exist befor
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Arguments: s string to be written s
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10.0/2 = 5.000000 10.0/3 = 3.333333
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Explanation: This program uses myfi
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SEEK_CUR- seeks from the current po
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*pos if successful; otherwise, fset
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if ((myfile = fopen("afile.out", "r
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10.0/2 = 5.000000 10.0/3 = 3.333333
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Return Value: Returns the character
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Standard C Libraries with Math Func
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e, E doublein scientific notation f
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putchar Description: Put a characte
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Output: File renamed dsPIC ® Langu
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® Language Tools Libraries DS51456
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setbuf(myfile1, NULL); printf("myfi
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int main(void) { char sbuf[100], s[
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Include: Prototype: char *tmpnam(c
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ungetc (Continued) Standard C Libra
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va_list ap; va_start(ap, fmt); prin
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with operands of type long. Include
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i = -2; printf("The absolute value
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(int) strtol(s,0,10)except it does
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eturn 0; else return 1; } Output: S
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printf("For div(%d, %d)\n", x, y);
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free Description: Frees memory. Inc
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printf("The absolute value of %7ld
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is undefined. malloc Description: A
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with the key Remarks: qsortoverwrit
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object. If reallocsucceeds in alloc
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optional whitespace, followed by an
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® Language Tools Libraries DS51456
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Prototype: size_t wcstombs(char *s,
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characters in s2and returns a value
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printf("\n"); memcpy(buf1, buf3, 5)
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printf("\n"); printf("memset(\"%s\"
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printf("buf1 : %s\n\n", buf1); ptr
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uf3 : Why? buf2 comes before buf1 b
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str1, str2, res); res = strcspn(str
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(string length = 11 characters) str
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s2 second string n number of charac
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printf("buf1 : %s\n", buf1); printf
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contained in s2. Example: #include
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else printf("%c not found\n", ch2);
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printf("\"%s\" found at position %d
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Output: str1 : Here, on top of the
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MMMis month of the year ddis day of
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printf("Local time = %s\n", asctime
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Example: #include /* for strftime,
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(in magnitude) to be represented in
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Argument: x value between -1 and 1
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y = atan (x); printf("The arctangen
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if (errno) perror("Error"); printf(
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for (i=0; i
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} Output: The cosine of -1.000000 i
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Error: range error The hyperbolic c
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errno = 0; x = -1E3; y = exp (x); i
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y = fabs (x); printf("The absolute
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-2.0F, -1.75F, -1.5F, -1.25F}; floa
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x, y, z); errno = 0; x = 7.0; y = 0
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perror("Error"); printf("For fmodf
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Return Value: Returns the fraction,
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printf("For a number = %fand an exp
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ldexpf(-0.625000, 2) = -2.500000 Fo
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x, y); errno = 0; x = 0.0; y = log1
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NaN is returned if xis a negative n
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Arguments: x single precision float
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The sine of -1.000000 is -0.841471
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The hyperbolic sine of 0.000000 is
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Error: domain error The square root
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Return Value: Returns the tangent o
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x, y); } Output: The hyperbolic tan
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the calling process's data segment.
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eginning of the file. A return valu
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through the simulator. The return v
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uffer points to the storage locatio
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div.sd __builtin_divud Description:
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mul.uu dsPIC ® Language Tools Libr
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Return Value: Returns the psv page
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__builtin_mulus ...................
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arcsine Double Floating Point......
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Set Priority Macro.................
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isxdigit...........................
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String to Unsigned LongInteger ....
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DCT................................
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EnableIntlCx.......................
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Single Floating Point .............
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DBL_MAX_10_EXP ....................
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Single Floating Point..............
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tanhf .............................
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Set Capture Interrupt Priority ....
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ldiv_t ............................
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long long unsigned int Maximum Valu
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MatrixInvert ......................
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Single Floating Point..............
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system.............................
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Quick Sort ........................
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SEEK_SET...........................
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Minimum Value .....................
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va_arg ............................
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atoi ..............................
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strncpy ...........................
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Write..............................
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unsigned short int Maximum Value ..
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Zero, divide by....................
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