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-rw-r--r--stm-keystore.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/stm-keystore.c b/stm-keystore.c
index 575cda0..74826d0 100644
--- a/stm-keystore.c
+++ b/stm-keystore.c
@@ -57,19 +57,21 @@ int keystore_write_data(uint32_t offset, const uint8_t *buf, const uint32_t len)
int keystore_erase_sectors(int num)
{
- if (num > N25Q128_NUM_SECTORS - 1 || num < 0) num = N25Q128_NUM_SECTORS - 1;
+ if (num > N25Q128_NUM_SECTORS || num < 0) num = N25Q128_NUM_SECTORS;
while (num) {
- int timeout = 1000;
+ int timeout = 200; /* times 10ms = 2 seconds timeout */
while (timeout--) {
int i = n25q128_get_wip_flag(&keystore_ctx);
if (i < 0) return 0;
if (! i) break;
HAL_Delay(10);
}
+ if (! timeout) return 0;
- if (! n25q128_erase_sector(&keystore_ctx, num--)) {
- return 0;
+ if (! n25q128_erase_sector(&keystore_ctx, num - 1)) {
+ return -1;
}
+ num--;
}
return 1;
}