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altos/stmf0: Add a comment about the requirements for using ao_flash_stm
author
Keith Packard
<keithp@keithp.com>
Sat, 12 Nov 2016 07:38:03 +0000
(23:38 -0800)
committer
Keith Packard
<keithp@keithp.com>
Mon, 20 Feb 2017 19:16:50 +0000
(11:16 -0800)
Need HSI clock and the flashing functions loaded in ram.
Signed-off-by: Keith Packard <keithp@keithp.com>
src/stmf0/ao_flash_stm.c
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diff --git
a/src/stmf0/ao_flash_stm.c
b/src/stmf0/ao_flash_stm.c
index ef2e261909574d8d8715ac850dc615f0a35f9263..2d57eea72701eefeae6e61ad0a6fc0395cf2dac7 100644
(file)
--- a/
src/stmf0/ao_flash_stm.c
+++ b/
src/stmf0/ao_flash_stm.c
@@
-19,6
+19,12
@@
#include <ao.h>
#include <ao_flash.h>
+/* Note that the HSI clock must be running for this code to work.
+ * Also, special care must be taken with the linker to ensure that the
+ * functions marked 'ramtext' land in ram and not rom. An example of that
+ * can be found in altos-loader.ld
+ */
+
static uint8_t
ao_flash_is_locked(void)
{