I trying initialize ssp0 in spi mode in lpc1788,but not initilize and not write/read through spi,so please help me to initilize ssp0 in spi mode in lpc1788 and write & read process.
You need to study the manufacturer's documentation, and/or contact the manufacturer for support - this has nothing to do with ARM.
https://www.nxp.com/products/processors-and-microcontrollers/arm-microcontrollers/general-purpose-mcus/lpc1700-cortex-m3/scalable-mainstream-32-bit-microcontroller-mcu-based-on-arm-cortex-m3-core:LPC1788FET208?tab=Design_Support_Tab
https://community.arm.com/developer/tools-software/tools/f/keil-forum/43684/lpc2148-timer0-not-working-as-expected/158950#158950