undefined identifier error(c202)

i write this code for LDR connected with the AT89s52 through the ADC MCP3208. i write the below code. #include<at89s52.h> #include<stdio.h> sbit CLK=P1^2; sbit MISO=P1^3; sbit MOSI=P1^4;...
undefined identifier error(c202)

i write this code for LDR connected with the AT89s52 through the ADC MCP3208. i write the below code. #include<at89s52.h> #include<stdio.h> sbit CLK=P1^2; sbit MISO=P1^3; sbit MOSI=P1^4;...
error C202: 'osThreadId_t': undefined identifier

when trying to execute the below code, osThreadId_t tid1; tid1 = osThreadNew(job1, NULL, NULL); // Create a new thread I am facing the error "main.c(24): error C202: 'osThreadId_t': undefined...
error C202: 'osThreadId_t': undefined identifier

when trying to execute the below code, osThreadId_t tid1; tid1 = osThreadNew(job1, NULL, NULL); // Create a new thread I am facing the error "main.c(24): error C202: 'osThreadId_t': undefined...
error C202: 'p1': undefined identifier

#include<reg51.h> void delay(); void man() { while(1) { p1=0x00; delay(); p1=0xff; delay(); } } void delay() { int i; for(i=0;i<500000;i++); }