*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
#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)
{
stm_flash.cr |= (1 << STM_FLASH_CR_LOCK);
}
-static void
-ao_flash_wait_bsy(void)
-{
- while (stm_flash.sr & (1 << STM_FLASH_SR_BSY))
- ;
-}
+#define ao_flash_wait_bsy() do { while (stm_flash.sr & (1 << STM_FLASH_SR_BSY)); } while (0)
-static void __attribute__ ((section(".ramtext"),noinline))
+static void __attribute__ ((section(".sdata2.flash"), noinline))
_ao_flash_erase_page(uint32_t *page)
{
stm_flash.cr |= (1 << STM_FLASH_CR_PER);
ao_arch_release_interrupts();
}
-static void __attribute__ ((section(".ramtext"), noinline))
+static void __attribute__ ((section(".sdata2.flash"), noinline))
_ao_flash_page(uint16_t *dst, uint16_t *src)
{
uint8_t i;