判断字元是否为英文字母及数字

判断字元是否为英文字母及数字 Function Call Quick Search Function Name Summary Remark Character Classification Functions Isalnum 判斷字元是否為英文字母及數字 Isalpha 判斷字元是否為英文字母 Iscntr 判斷字元是否為控制字元 Isdigit 判斷字元是否為十進位數字 Isgraph 判斷字元是否為圖形字元 Islower 判斷字元是否為小寫英文字母 Isprint 判斷字元是否為可列印字元 Ispunct 判斷字元是否為符號字元 Isupper 判斷字元是否為大寫英文字母 Isspace 判斷字元是否為空白字元 Isxdigit 判斷字元是否為十六進制數字 Tolower 轉換字元為小寫英文字母 Toupper 轉換字元為大寫英文字母 Number and Text Conversion Functions Atob 轉換字串成為8位元有號數 Atof 轉換字串成為位元浮點數 Atoi 轉換字串成為16位元有號數 Atol 轉換字串成為32位元有號數 Btoa 轉換8位元有號數成為字串 Itoa 轉換16位元有號數成為字串 Ltoa 轉換32位元有號數成為字串 Rand 模擬一個16位元亂數值 Srand 模擬一個16位元亂數值(可修改起始值) Tolower 轉換字元為ASCII大寫的英文字母 Toupper 轉換字元為ASCII小寫的英文字母 Ultoa 轉換32位元無號數成為字串 Memory and String Manipulation Functions Memchr 尋找記憶體中第一個與指定字元相符的位置 Memcmp 比對兩個陣列中的內容 Memcpy 複製來源資料區中的內容到目的資料區 Memmove 複製來源資料區中的內容到目的資料區(即使兩資料區重疊) Memset 複製指定的字元到整個目的資料區 Strcat 複製來源字串中的內容到目的字串的結尾 Strchr 尋找字串中第一個與指定字元相符的位置 Strcmp 比對兩個字串中的內容 Strcpy 複製來源字串的內容到目的字串 Strcspn 計算比對次數,方式為字串2中任一字元出現在字串1中第幾個 Strpbrk 指出字串1中第一個與比對資料中任一字元相符的字元位址 Strlen 回傳字串的長度 Strlwr 將字串中所有的大寫字母轉換成小寫字母 Strncat 複製來源字串中的內容到目的字串的結尾(有指定數目) Strncmp 比對兩個字串中的內容(有指定數目) Strncpy 複製來源字串的內容到目的字串(有指定數目) Strrchr 尋找字串中最後一個與指定字元相符的位置 Strspn 計算比對次數,方式為字串2中任一字元不屬於字串1中第幾個 Strstr 指出字串1中第一個與比對資料(字串2)相符的位址 Strtok 找出字串中與比對字元相符的字元並將之取代為空字元 Strupr 將字串中所有的小寫字母轉換成大寫字母 Delay Functions Delay1TCY Delay of 1 instruction cycle (Tcy) Delay10TCYx Delay of multiples of 10 instruction cycles (Tcy). Delay100TCYx Delay of multiples of 100 instruction cycles (Tcy). Delay1KTCYx Delay of multiples of 1000 instruction cycles (Tcy). Delay10KTCYx Delay of multiples of 10000 instruction cycles (Tcy). A/D Converter Functions BusyADC Returns the value of the GO bit in the ADCON0 register. CloseADC This function disables the A/D convertor. ConvertADC Starts an A/D conversion by setting the GO bit in the ADCON0 register. OpenADC Configures the A/D convertor. ReadADC Reads the result of an A/D conversion. SetChanADC Selects a specific A/D channel. Input Capture Functions CloseCapture This function disables the specified input capture. OpenCapture This function configures the specified input capture. ReadCapture Reads the result of a capture event from the specified input capture. Pulse Width Modulation Functions ClosePWM Disables the specified PWM channel. OpenPWM Configures the specified PWM channel. SetDCPWM Writes a value to the specified PWM channel dutycycle registers. I?C? Functions AckI2C Generates I2C bus Acknowledge condition. CloseI2C Disables the SSP module. DataRdyI2C Provides status back to user if the SSPBUF register contains data. getcI2C Operates identically to ReadI2C. IdleI2C Generates wait condition until I2C bus is idle. NotAckI2C Generates I2C bus Not Acknowledge condition. putcI2C Operates identically to WriteI2C. putsI2C Write out a data string to the I2C bus. ReadI2C Read a single byte (one character) from the I2C bus. RestartI2C Generates I2C bus restart condition. StartI2C Generates I2C bus start condition. StopI2C Generates I2C bus stop condition. WriteI2C Write out a single data byte (one character) to the I2C bus device. EEAckPollin Generate the Ack polling sequence for EE I2C memory devices. EEByteWrite Write a single byte to the I2C bus. EECurrentAddRead Read a single byte from the I2C bus. EEPageWrite Write a string of data to the I2C EE device. EERandomRead Read a single byte from the I2C bus. EESequentialRead Read in a string of data from the I2C bus. Microwire? Functions CloseMwire Disables the SSP module. DataRdyMwire Provides status back to user if the Microwire device has completed. getcMwire This function operates identically to ReadMwire. getsMwire This routine reads a string from the Microwire device. OpenMwire Configures the SSP module. putcMwire This function operates identically to WriteMwire. WriteMwire This function is used to write out a single data byte (one character). SPI? Functions CloseSPI Disables the SSP module. DataRdySPI Determines if the SSPBUF contains data. getcSPI This function operates identically to ReadSPI. getsSPI Reads in data string from the SPI bus. OpenSPI Initializes the SSP module. putcSPI This function operates identically to WriteSPI. putsSPI Writes data string out to the SPI bus. ReadSPI Reads a single byte (one character) from the SSPBUF register. WriteSPI Writes a single byte of data (one character) out to the SPI bus. I/O Port Functions ClosePORTB Disables the interrupts and internal pull-up resistors for PortB. CloseRB0INT Disables the interrupts and internal pull-up resistors for PortB. DisablePullups Disables the internal pull-up resistors on PORTB. EnablePullups Enables the internal pull-up resistors on PORTB. OpenPORTB Configures the interrupts and internal pull-up resistors on PortB. OpenRB0INT Configures the interrupts and internal pull-up resistors on PortB. Reset Functions isBOR Detects a reset condition due to the Brown-out Reset circuit. isLVD Detects if low voltage detect condition occurred. isMCLR Detects if a MCLR reset during normal operation occurred. isPOR Detects a Power-on Reset condition. isWDTTO Detects a reset condition due to the WDT during normal operation. isWDTWU Detects when the WDT wakes up the device from isWU Detects if the microcontroller was just waken up from StatusReset Sets the POR and BOR bits in the CPUSTA register. Timer Functions CloseTimer This function disables the specified timer. OpenTimer Configures the specified timer. ReadTimer Reads the contents of the specified timer register(s). WriteTimer Reads the contents of the specified timer register(s). USART Functions BusyUSART Returns the status of the TRMT flag bit in the TXSTA? register. CloseUSART Disables the specified USART. DataRdyUSART Returns the status of the RCIF flag bit in the PIR register. getcUSART This function operates identically to ReadUSART. getsUSART Reads a string of characters until the specified number OpenUSART Configures the specified USART module. putcUSART This function operates identically to WriteUSART. putsUSART Writes a string of characters to the USART including the putrsUSART ReadUSART Reads a byte out of the USART receive buffer, including the 9th bit if enabled. WriteUSART Writes a byte to the USART transmit buffer, including the 9th bit if enabled.