diff options
| author | Keith Packard <keithp@keithp.com> | 2014-02-01 00:32:43 -0800 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2014-02-08 20:13:38 -0800 |
| commit | 324073d14ed8215b74d9df51f2229827cd4401d0 (patch) | |
| tree | f8b14b6b2e07c6c1d36d79e4d34a03c2eba376de | |
| parent | d6d56c20465455b759f60a03fc96aa228ab9102e (diff) | |
altos/stm: Block interrupts while reprogramming flash
Wouldn't work well to get interrupted...
Signed-off-by: Keith Packard <keithp@keithp.com>
| -rw-r--r-- | src/stm/ao_flash_stm.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/stm/ao_flash_stm.c b/src/stm/ao_flash_stm.c index 38b1c2d8..39dc8144 100644 --- a/src/stm/ao_flash_stm.c +++ b/src/stm/ao_flash_stm.c @@ -83,12 +83,14 @@ _ao_flash_erase_page(uint32_t *page) void ao_flash_erase_page(uint32_t *page) { + ao_arch_block_interrupts(); ao_flash_pecr_unlock(); ao_flash_pgr_unlock(); _ao_flash_erase_page(page); ao_flash_lock(); + ao_arch_release_interrupts(); } static void __attribute__ ((section(".ramtext"), noinline)) @@ -116,6 +118,8 @@ ao_flash_page(uint32_t *page, uint32_t *src) uint8_t h; ao_flash_erase_page(page); + + ao_arch_block_interrupts(); ao_flash_pecr_unlock(); ao_flash_pgr_unlock(); for (h = 0; h < 2; h++) { @@ -124,4 +128,5 @@ ao_flash_page(uint32_t *page, uint32_t *src) src += 32; } ao_flash_lock(); + ao_arch_release_interrupts(); } |