Some of this is described on the processor wiki. Bare metal means no OS. Using 
CCS you have source level debugging and jtag support instead of printf.Bare 
metal allows maximum possible  hard real-time responsive but puts the burden of 
anything  beyond the driver's provided in starterware on you. If your system 
needs operating system like services you have 3 choices  TI_RTOS , open source 
Linux or a Commercial RTOS.read about the processor  boot sequence  in the TRM 
and  read the PowerPoint on the wiki and baremetal howto it should be obvious 
that CCS uses a gel script that does  the firmware equivalent of the 1st stage 
boot loader and uboot and the code is placed in RAM. Then when your code works 
and you have your product hardware you decides what kind of loader  beyond the 
Rom  bootloader you  want to implement which  will determine the strapping  of 
the pins.Your question about programming languages I don't understand. All 3 
languages are supported by GCC command line builds  or CCS and RTOS use an API 
usually C language but some support c++. Calling C code can be done  from 
assembler but requires understandings the registers used by the compiler.
Your final system design and budget dictates which OS, IDE/compiler and jtag 
barebones vs the open source Linux and printf debugging you go with.
This forum generally  supports linux. Bare metal is supported by e2e  forum if 
you plan on not reading  and blindly expecting to get something working with 
minimal effort your probably better off in here maybe someone will write  your 
Linux application code for you in here.  
Sent from Yahoo Mail on Android 
 
  On Sat, Jan 6, 2018 at 4:36 PM, not you<[email protected]> wrote:   
Also, does CCS write the compiled the code onto the eMMC or the SD card?

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