串口輸入十六進制字符串數據，接收後轉換爲十進制數據

int main(int argc,char * argv[]) { int fd; int recv_buf[64]; int addr = 0,reg = 0,rw,i2cnum; char i2cdev[64]; if(argc!=4) { printf("Usage:i2c_read [ADDR] [REG] [I2CBUSN

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