在load program之前，上面链接中的操作都做了么？

Prerequisites

A quick recap of the steps that need to have been done before you proceed

• Make sure you have installed CCS as mentioned in Download, Install and Setup CCS
• Make sure the UART port used for console is identified as mentioned in Setup UART Terminal
• Make sure you have the EVM power cable, JTAG cable, UART cable connected as shown in Cable Connections
• Make sure you have done the steps for a SOC initialization method
  • RECOMMENDED method is Flash SOC Initialization Binary
  • Other options, if recommended method cannot be used, are mentioned in SOC Initialization
• Make sure EVM boot mode switch is setup correctly based on the SOC initilization method
  • For the RECOMMENDED method, Flash SOC Initialization Binary, the boot mode should be OSPI BOOT MODE
• Make sure the UART or CCS console logs on doing EVM POWER-ON indicate that SOC initization is successful
• Make sure you have built the example of interest as mentioned in Build a Hello World example