CC3200-LAUNCHXL 开发板
串口未占用，SOP跳了flash ，J6J7 也跳了flash ，
[22:38:22] Begin Format operation.
[22:38:23] INFO: > Executing Operation: Connect
[22:38:25] INFO: setting break signal
[22:38:26] INFO: detecting FTDI for device reset
[22:38:41] ERROR: ---reading ACK signal failed---
[22:38:41] WARNING: ---seting break signal to false failed---
[22:38:43] INFO: setting break signal
[22:38:44] INFO: detecting FTDI for device reset
[22:39:00] ERROR: ---reading ACK signal failed---
[22:39:00] WARNING: ---seting break signal to false failed---
[22:39:02] INFO: setting break signal
[22:39:03] INFO: detecting FTDI for device reset
[22:39:18] ERROR: ---reading ACK signal failed---
[22:39:18] WARNING: ---seting break signal to false failed---
[22:39:20] INFO: setting break signal
[22:39:21] INFO: detecting FTDI for device reset
[22:39:37] ERROR: ---reading ACK signal failed---
[22:39:37] WARNING: ---seting break signal to false failed---
[22:39:37] FATAL: --- Can't connect to device !! ---
[22:39:38] FATAL: Error connecting to the device. Please check your COM port settings. Error code: -3
[22:39:38] INFO: > Executing Operation: Disconnect
[22:39:38] Operation Format returned.
