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Arguments: config Interrupt edge, priority and enable/disable information as defined below: Interrupt edge selection RISING_EDGE_INT FALLING_EDGE_INT Interrupt enable INT_ENABLE INT_DISABLE Interrupt priority INT_PRI_0 INT_PRI_1 INT_PRI_2 INT_PRI_3 INT_PRI_4 INT_PRI_5 INT_PRI_6 INT_PRI_7 Return Value: None Remarks: This function clears the interrupt flag corresponding to the INTx pin and then selects the edge detect polarity. It then sets the interrupt priority and enables/disables the interrupt. Source File: ConfigInt0.c ConfigInt1.c ConfigInt2.c ConfigInt3.c ConfigInt4.c Code Example: ConfigINT0(RISING_EDGE_INT& EXT_INT_PRI_5 & EXT_INT_ENABLE); dsPIC ® Language Tools Libraries DisableCN23 Mô tả: vĩ mô này vô hiệu hóa cá nhân thông báo thay đổi gián đoạn. Bao gồm: ports.h Lập luận: Không Bình luận: Không có Mã số Ví dụ: DisableCN14; EnableINT0 EnableINT1 EnableINT2 EnableINT3 EnableINT4 Mô tả: vĩ mô này cho phép ngắt ngoài cá nhân. Bao gồm: ports.h Lập luận: Không Bình luận: Không có Mã số Ví dụ: EnableINT2; dsPIC ® Thư viện Công cụ Ngôn ngữ DS51456B trang 124 2004 Microchip Technology Inc DisableINT0 DisableINT1 DisableINT2 DisableINT3 DisableINT4 Mô tả: vĩ mô này vô hiệu hóa ngắt ngoài cá nhân. Bao gồm: ports.h Lập luận: Không Bình luận: Không có Mã số Ví dụ: DisableINT2; SetPriorityInt0 SetPriorityInt1 DS51456B-page 122 ConfigCNPullups 2004 Microchip Technology Inc. SetPriorityInt2 SetPriorityInt3 Description: This function configures the pull-up resistors for CN pins. Include: ports.h Prototype: void ConfigCNPullups(long int config); Arguments: config This is the 32-bit value for configuring pull-ups. The lower word is stored into CNPU1 register and next upper word is SetPriorityInt4 Mô tả: Đây ưu tiên bộ vĩ mô cho ngắt ngoài. Bao gồm: ports.h Đối số: ưu tiên Ghi chú: Phần này thiết lập ngắt ngoài bit ưu tiên của ưu tiên ngắt
stored into CNPU2 register. The upper 8 bits of CNPU2 register are unimplemented. Return Value: None Remarks: None Source File: ConfigCNPullups.c Code Example: ConfigCNPullups(0xFFF); ConfigIntCN Description: This function configures the CN interrupts. Include: ports.h Prototype: void ConfigIntCN(long int config); Arguments: config This is the 32-bit value for configuring the CN interrupts. The lower 24 bits contain the individual enable/disable information for the CN interrupts. Setting bit x (x = 0, 1, ..., 23) would enable the CNx interrupt. The upper most byte of config contains the Interrupt Priority and Enable/Disable bits. The lower word is stored into the CNEN1register and next upper byte is stored into the CNEN2 register and the upper most byte is used for setting priority and enable/disable the CN interrupts. Return Value: None Remarks: This function clears the CN interruptflag and enables/disables the individual interrupts on CN pins. This also configures the interrupt priority and enables/disables the CN Interrupt Enable bit. Source File: ConfigIntCN.c Code Example: // This would enable CN0, CN1, CN2 and CN7 only. ConfigIntCN(CHANGE_INT_OFF & CHANGE_INT_PRI_4 & 0xFF000087); dsPIC Peripheral Libraries 2004 Microchip Technology Inc. DS51456B-page 123 3.9.2 Individual Macros EnableCN0 EnableCN1 EnableCN2 ..................... EnableCN23 Description: This macro enables the individual change notification interrupt. Include: ports.h Kiểm soát đăng ký. Mã số Ví dụ: SetPriorityInt4 (6); dsPIC Thư viện ngoại vi 2004 Microchip Technology Inc DS51456B trang 125 3.10 VÀO CHỨC NĂNG CAPTURE Phần này bao gồm một danh sách các chức năng riêng biệt cho Input Capture module và một ví dụ về việc sử dụng các chức năng. Chức năng có thể được thực hiện như các macro. 3.10.1 Chức năng cá nhân CloseCapture1 CloseCapture2 CloseCapture3 CloseCapture4 CloseCapture5 CloseCapture6 CloseCapture7 CloseCapture8 Mô tả: Chức năng này sẽ tắt các mô-đun Input Capture. Bao gồm: InCap.h Prototype: void CloseCapture1 (void); làm mất hiệu lực CloseCapture2 (void); làm mất hiệu lực CloseCapture3 (void); làm mất hiệu lực CloseCapture4 (void); làm mất hiệu lực CloseCapture5 (void); làm mất hiệu lực CloseCapture6 (void); làm mất hiệu lực CloseCapture7 (void); làm mất hiệu lực CloseCapture8 (void); Lập luận: Không Trở lại giá trị: Không Ghi chú: Chức năng này vô hiệu hóa các Input Capture gián đoạn và sau đó tắt module.The ngắt Flagbit cũng sẽ bị xóa. Source File: CloseCapture1.c CloseCapture2.c CloseCapture3.c CloseCapture4.c CloseCapture5.c CloseCapture6.c CloseCapture7.c CloseCapture8.c
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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
Page 97 and 98: y calling the BusyXLCD()function. T
Page 99 and 100: COM1_COM16 COM16_COM1 Display On/Of
Page 101 and 102: Source File: CAN1AbortAll.c CAN2Abo
Page 103 and 104: char CAN2IsRXPassive(void); Argumen
Page 105 and 106: CAN2SendMessage Description: This f
Page 107 and 108: CAN2SetMask Description: This funct
Page 109 and 110: CAN_IDLE_CON_NO_WAITCAN On in Idle
Page 111 and 112: Language Tools Libraries DS51456B-p
Page 113 and 114: CAN_INDI_INVMESS_DIS CAN_INDI_WAK_D
Page 115 and 116: { /* Length of data tobe transmitte
Page 117 and 118: Return Value: If the value of DONE
Page 119 and 120: dsPIC Peripheral Libraries 2004 Mic
Page 121 and 122: ..... SKIP_SCAN_AN15 Return Value:
Page 123 and 124: DS51456B-page 100 3.5.2 Individual
Page 125 and 126: 3.6 ADC10 FUNCTIONS This section co
Page 127 and 128: 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: Arguments: None Remarks: This macro
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 157 and 158: dsPIC ® Language Tools Libraries D
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 and 180: ConfigIntUART1(UART_RX_INT_EN & UAR
Page 181 and 182: DCI_INT_PRI_4 DCI_INT_PRI_5 DCI_INT
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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enables/disables the interrupt. Sou
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QEI_QE_CLK_DIVIDE_1_32 QEI_QE_CLK_D
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} int main(void) { unsigned int max
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dsPIC ® Language Tools Libraries D
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PWM_PEN2H PWM_PDIS2H PWM_PEN1H PWM_
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PWM_POUT_1L Bit defines related to
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PWM_DTS3I_UA PWM_DTS3I_UB Dead Time
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PWM_OVA3H_INACTIVE PWM_OVA2H_INACTI
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#include #include void __attribute
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Prototype: void ConfigIntI2C(unsign
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Arguments: None Return Value None R
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a #definestatement in the i2c.h Sou
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I2C_IDLE_CON SCL Release Control bi
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i2c_data_wait This is the timeout c
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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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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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