diff options
author | Keith Packard <keithp@keithp.com> | 2012-08-29 11:19:17 -0700 |
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committer | Keith Packard <keithp@keithp.com> | 2012-08-29 11:19:17 -0700 |
commit | 7f64e62356bcfcd6ba8a88b09251793481bcd56c (patch) | |
tree | c17096f96566475b6a5fd43b6476f5eb4ee8e3e8 /src | |
parent | 1a7d2faf76a46271532102e217c2dd5515e38b72 (diff) |
altos: Note changes to configured AES key for SPI radio convenience
Keep a sequence number to mark when the AES key is changed so that the
radio code can avoid sending the key before every CMAC radio operation.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src')
-rw-r--r-- | src/core/ao.h | 2 | ||||
-rw-r--r-- | src/core/ao_config.c | 4 |
2 files changed, 6 insertions, 0 deletions
diff --git a/src/core/ao.h b/src/core/ao.h index b8bedd85..66c0881f 100644 --- a/src/core/ao.h +++ b/src/core/ao.h @@ -718,6 +718,8 @@ extern __xdata uint8_t ao_force_freq; #define AO_AES_LEN 16 +extern __xdata uint8_t ao_config_aes_seq; + struct ao_config { uint8_t major; uint8_t minor; diff --git a/src/core/ao_config.c b/src/core/ao_config.c index f19dd9cd..ce855ad1 100644 --- a/src/core/ao_config.c +++ b/src/core/ao_config.c @@ -463,6 +463,9 @@ ao_config_radio_enable_set(void) __reentrant #endif /* HAS_RADIO */ #if HAS_AES + +__xdata uint8_t ao_config_aes_seq = 1; + void ao_config_key_show(void) __reentrant { @@ -485,6 +488,7 @@ ao_config_key_set(void) __reentrant break; ao_config.aes_key[i] = ao_cmd_lex_i; } + ++ao_config_aes_seq; _ao_config_edit_finish(); } #endif |