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Description: This function turns off the UART module Include: uart.h Prototype: void CloseUART1(void); void CloseUART2(void); Arguments: None Return Value: None Remarks: This function first turns off the UART module and then disables the UART transmit and receive interrupts.The Interrupt Flag bits are also cleared. Source File: CloseUART1.c CloseUART2.c Code Example: CloseUART1(); dsPIC ® Language Tools Libraries DS51456B-page 142 2004 Microchip Technology Inc. ConfigIntUART1 ConfigIntUART2 Description: This function configures the UART Interrupts. Include: uart.h Prototype: void ConfigIntUART1(unsigned int config); void ConfigIntUART2(unsigned int config); Arguments: config Individual interrupt enable/disable information as defined below: Receive Interrupt enable UART_RX_INT_EN UART_RX_INT_DIS Receive Interrupt Priority UART_RX_INT_PR0 UART_RX_INT_PR1 UART_RX_INT_PR2 UART_RX_INT_PR3 UART_RX_INT_PR4 UART_RX_INT_PR5 UART_RX_INT_PR6 UART_RX_INT_PR7 Transmit Interrupt enable UART_TX_INT_EN UART_TX_INT_DIS Giao tiếp UART với chân ALT chỉ có sẵn cho thiết bị nhất định và các bảng dữ liệu phù hợp nên gọi. UART Dịch vụ báo thức vào Start UART_EN_WAKE UART_DIS_WAKE Chế độ UART lặp bật / tắt UART_EN_LOOPBACK UART_DIS_LOOPBACK Đầu vào để Capture mô-đun UART_EN_ABAUD UART_DIS_ABAUD dsPIC ® Thư viện Công cụ Ngôn ngữ DS51456B trang 144 2004 Microchip Technology Inc Chẵn lẻ và bit dữ liệu chọn UART_NO_PAR_9BIT UART_ODD_PAR_8BIT UART_EVEN_PAR_8BIT UART_NO_PAR_8BIT Số Dừng bit UART_2STOPBITS UART_1STOPBIT config2 này chứa các thông số phải được cấu hình trong UxSTA đăng ký theo quy định dưới đây: Chế độ UART truyền gián đoạn chọn UART_INT_TX_BUF_EMPTY UART_INT_TX UART Transmit lao bit UART_TX_PIN_NORMAL UART_TX_PIN_LOW UART truyền cho phép / vô hiệu hóa UART_TX_ENABLE UART_TX_DISABLE UART nhận chế độ ngắt chọn UART_INT_RX_BUF_FUL UART_INT_RX_3_4_FUL UART_INT_RX_CHAR
Transmit Interrupt Priority UART_TX_INT_PR0 UART_TX_INT_PR1 UART_TX_INT_PR2 UART_TX_INT_PR3 UART_TX_INT_PR4 UART_TX_INT_PR5 UART_TX_INT_PR6 UART_TX_INT_PR7 Return Value: None Remarks: This function enables/disables the UART transmit and receive interrupts and sets the interrupt priorities. Source File: ConfigIntUART1.c ConfigIntUART2.c Code Example: ConfigIntUART1(UART_RX_INT_EN & UART_RX_INT_PR5 & UART_TX_INT_EN & UART_TX_INT_PR3); dsPIC Peripheral Libraries 2004 Microchip Technology Inc. DS51456B-page 143 DataRdyUART1 DataRdyUART2 Description: This function returns the UART receive buffer status. Include: uart.h Prototype: char DataRdyUART1(void); char DataRdyUART2(void); Arguments: None Return Value: If ‘1’ is returned, it indicates that the receive buffer has a data to be read. If ‘0’ is returned, it indicates that receive buffer does not have any new data to be read. Remarks: This function returns the status of the UART receive buffer. This indicates if the UART receive buffer contains any new data that is yet to be read as indicated by the UxSTA bit. Source File: DataRdyUART1.c DataRdyUART2.c Code Example: while(DataRdyUART1()); OpenUART1 OpenUART2 Description: This function configures the UART module Địa chỉ UART phát hiện cho phép / vô hiệu hóa UART_ADR_DETECT_EN UART_ADR_DETECT_DIS UART tràn ngập bit rõ ràng UART_RX_OVERRUN_CLEAR ubrg Đây là giá trị được ghi vào UxBRG đăng ký để thiết lập tốc độ truyền. Trở lại giá trị: Không Bình luận: chức năng này cấu hình UART truyền và nhận phần và thiết lập tốc độ truyền thông tin liên lạc. Source File: OpenUART1.c OpenUART2.c Mã số Ví dụ: baud = 5; UMODEvalue = UART_EN & UART_IDLE_CON & UART_DIS_WAKE & UART_EN_LOOPBACK & UART_EN_ABAUD & UART_NO_PAR_8BIT & UART_1STOPBIT; U1STAvalue = UART_INT_TX_BUF_EMPTY & UART_TX_PIN_NORMAL & UART_TX_ENABLE & UART_INT_RX_3_4_FUL & UART_ADR_DETECT_DIS & UART_RX_OVERRUN_CLEAR; OpenUART1 (U1MODEvalue, U1STAvalue, độ truyền); OpenUART1 (Tiếp theo) OpenUART2 dsPIC Thư viện ngoại vi 2004 Microchip Technology Inc DS51456B trang 145 ReadUART1 ReadUART2 Mô tả: Chức năng này trả về nội dung của UART nhận được bộ đệm (UxRXREG) đăng ký. Bao gồm: uart.h Nguyên mẫu: int ReadUART1 (void); int ReadUART2 (void); Lập luận: Không Quay trở lại giá trị: Chức năng này trả về nội dung của Bộ đệm nhận (UxRXREG) đăng ký.
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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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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 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: T3CON = 0x8000; T1CON = 0X8000; /*
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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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
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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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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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