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targets: add target for Microbit v2 with SoftDevice S140 support #4871

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Merged
conejoninja merged 1 commit into from
Apr 26, 2025
Merged

targets: add target for Microbit v2 with SoftDevice S140 support #4871

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2 changes: 2 additions & 0 deletions GNUmakefile
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Original file line number Diff line number Diff line change
Expand Up @@ -626,6 +626,8 @@ endif
@$(MD5SUM) test.hex
$(TINYGO) build -size short -o test.hex -target=microbit-v2-s113v7 examples/microbit-blink
@$(MD5SUM) test.hex
$(TINYGO) build -size short -o test.hex -target=microbit-v2-s140v7 examples/microbit-blink
@$(MD5SUM) test.hex
$(TINYGO) build -size short -o test.hex -target=nrf52840-mdk examples/blinky1
@$(MD5SUM) test.hex
$(TINYGO) build -size short -o test.hex -target=pca10031 examples/blinky1
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4 changes: 4 additions & 0 deletions targets/microbit-v2-s140v7.json
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@@ -0,0 +1,4 @@
{
"inherits": ["microbit-v2", "nrf52833-s140v7"],
"flash-method": "openocd"
}
7 changes: 7 additions & 0 deletions targets/nrf52833-s140v7.json
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@@ -0,0 +1,7 @@
{
"build-tags": ["softdevice", "s140v7"],
"linkerscript": "targets/nrf52833-s140v7.ld",
"ldflags": [
"--defsym=__softdevice_stack=0x700"
]
}
14 changes: 14 additions & 0 deletions targets/nrf52833-s140v7.ld
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MEMORY
{
FLASH_TEXT (rw) : ORIGIN = 0x00000000 + 0x00027000, LENGTH = 0x80000 - 0x00027000
RAM (xrw) : ORIGIN = 0x20000000 + 0x000039c0, LENGTH = 0x20000 - 0x000039c0
}

_stack_size = 4K + __softdevice_stack;

/* These values are needed for the Nordic SoftDevice. */
__app_ram_base = ORIGIN(RAM);
__softdevice_stack = DEFINED(__softdevice_stack) ? __softdevice_stack : 0;

INCLUDE "targets/arm.ld"