altos/stm: Block interrupts while reprogramming flash

Wouldn't work well to get interrupted...

Signed-off-by: Keith Packard <keithp@keithp.com>

diff --git a/src/stm/ao_flash_stm.c b/src/stm/ao_flash_stm.c
index 38b1c2d8b585c154b8d6a24cfca28cbeaddb0e36..39dc81444a1bb23bc1e48e885b9d594f213094b9 100644 (file)
--- 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)
 {
 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_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))
 }
 
 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);
        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++) {
        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();
                src += 32;
        }
        ao_flash_lock();

+       ao_arch_release_interrupts();

 }
 }