摘要：配置Ubuntu tftp服务的步骤：1、安装相关软件包：Ubuntu tftp（服务端），tftp（客户端），xinetdsudo apt-get install tftpd tftp xinetd 2、建立配置文件在/etc/xinetd.d/下建立一个配置文件tftpsudo vi tftp在...
阅读全文
摘要：*** Unable to find the ncurses libraries or the*** required header files.*** 'make menuconfig' requires the ncurses libraries.****** Install ncurses (...
阅读全文
摘要：SPI (Serial Peripheral Interface) bussesSPI busses can be described with a node for the SPI master deviceand a set of child nodes for each SPI slave o...
阅读全文
摘要：#include #include #include #include int main(void){FILE *p=NULL;int i=0;p = fopen("/sys/class/gpio/export","w");fprintf(p,"%d",38);fclose(p);p =fopen(...
阅读全文
摘要：//example #include #include #include #include #define GPIO_TO_PIN(bank, gpio) (32 * (bank) + (gpio))int main(int argc, char * argv){ int i, n, fd; cha...
阅读全文
