Re: stm32 external SRAM

2019-06-13 Thread Jython
we have added 1M ram by FSMC, and want to manage it by system malloc controler On Fri, Jun 14, 2019 at 10:26 AM Mr. Andrei Chichak wrote: > A 407 doesn’t normally have external RAM. > > ARMs have flash at 0 and the 407 has RAM at 0x2000 as you discussed > earlier. > > If you want to work w

Re: stm32 external SRAM

2019-06-13 Thread Mr. Andrei Chichak
A 407 doesn’t normally have external RAM. ARMs have flash at 0 and the 407 has RAM at 0x2000 as you discussed earlier. If you want to work with external flash or RAM, you have to set up the FSMC or FMC to support it, but that isn’t a part of the dev board that Sebastian used for the BSP p

Re: stm32 external SRAM

2019-06-13 Thread Jython
HI, im using stm32f407 On Thu, Jun 13, 2019 at 8:23 PM Christian Mauderer < christian.maude...@embedded-brains.de> wrote: > On 05/06/2019 02:55, Jython wrote: > > Hello! > > > > 2. In the normal (non-debugging) case, the linker script still > > places the > > > > .text section n

Re: stm32 external SRAM

2019-06-13 Thread Christian Mauderer
On 05/06/2019 02:55, Jython wrote: > Hello! > > 2. 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