مشکل در کار کردن با توابع cmsis lpc17xx

#include <LPC17xx.H>
#include "lpc17xx_clkpwr.h"
#include "lpc17xx_UART.h"
#include "debug_frmwrk.h"
#include "lpc17xx_pinsel.h"

void UART0_IRQHandler(void){
uint8_t Ch;
Ch = UARTGetChar(UART_0);
UARTPutChar(UART_0,Ch);
}




int main(){
UART_CFG_Type UART0_CFG;
UART_FIFO_CFG_Type UART0_FIFO_CFG;

UART0_CFG.Parity=UART_PARITY_NONE;
UART0_CFG.Baud_rate=115200;
UART0_CFG.Databits=UART_DATABIT_8;
UART0_CFG.Stopbits=UART_STOPBIT_1;

UART_FIFOConfigStructInit(&UART0_FIFO_CFG);
UART_FIFOConfig(UART_0,&UART0_FIFO_CFG);

PINSEL_ConfigPin(0,2,1);
PINSEL_ConfigPin(0,3,1);

UART_Init(UART_0, & UART0_CFG);
UART_TxCmd(UART_0, ENABLE);
UART_IntConfig(UART_0,UART_INTCFG_RBR,ENABLE);

NVIC_EnableIRQ(UART0_IRQn);
NVIC_SetPriority(UART0_IRQn,9);

while(1){
}

}
compiling a.c...
a.c(9): error: #20: identifier "UART_0" is undefined
Ch = UARTGetChar(UART_0);
a.c(26): error: #20: identifier "UART_0" is undefined
UART_FIFOConfig(UART_0,&UART0_FIFO_CFG);
a.c(28): error: #140: too many arguments in function call
PINSEL_ConfigPin(0,2,1);
a.c(29): error: #140: too many arguments in function call
PINSEL_ConfigPin(0,3,1);
a.c: 0 warnings, 4 errors
".Objectsaa.axf" - 4 Error(s), 0 Warning(s).
Target not created.
Build Time Elapsed: 00:00:01




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