stm32 external SRAM

2019-06-04 Thread Jython
Hello! >1. In the normal (non-debugging) case, the linker script still places >the > > .text section near zero, but places the start of the .data and .bss > sections at the start location of the MPC555's internal RAM. The system > startup code then configures the external RAM just after t

Re: Is there Power-Safe File System for RTEMS ?

2019-06-04 Thread Sebastian Huber
On 04/06/2019 12:34, JunBeom Kim wrote: Dear Sir, I am using RTEMS FAT32 File System for both SD-Card and eMMC until now. Because FAT32 file system doesn’t have Journaling feature, FAT32 is not Power-Safe file system. If there is any Power-Safe File system S/W solution(Commercial or Open-s

Re: Does RTEMS POSIX open function support O_DIRECT option ?

2019-06-04 Thread Sebastian Huber
On 04/06/2019 12:18, JunBeom Kim wrote: Dear Sir, I need O_DIRECT option for calling open() function for handling file I/O. As I check from posix-users.pdf document, there is not O_DIRECT option for calling open() function. There is supporting options from RTEMS POSIX document in below; -O

Is there Power-Safe File System for RTEMS ?

2019-06-04 Thread JunBeom Kim
Dear Sir, I am using RTEMS FAT32 File System for both SD-Card and eMMC until now. Because FAT32 file system doesn't have Journaling feature, FAT32 is not Power-Safe file system. If there is any Power-Safe File system S/W solution(Commercial or Open-source) for RTEMS, please let me know tha

Does RTEMS POSIX open function support O_DIRECT option ?

2019-06-04 Thread JunBeom Kim
Dear Sir, I need O_DIRECT option for calling open() function for handling file I/O. As I check from posix-users.pdf document, there is not O_DIRECT option for calling open() function. There is supporting options from RTEMS POSIX document in below; - O_RDONLY, O_WRONLY, O_RDWR -