diff options
| -rw-r--r-- | esp8266/modpybrtc.c | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/esp8266/modpybrtc.c b/esp8266/modpybrtc.c index e62dc88175..4fdd5367d8 100644 --- a/esp8266/modpybrtc.c +++ b/esp8266/modpybrtc.c @@ -64,6 +64,8 @@ void mp_hal_rtc_init(void) { int64_t delta = 0; system_rtc_mem_write(MEM_CAL_ADDR, &cal, sizeof(cal)); system_rtc_mem_write(MEM_DELTA_ADDR, &delta, sizeof(delta)); + uint32_t len = 0; + system_rtc_mem_write(MEM_USER_LEN_ADDR, &len, sizeof(len)); } // reset ALARM0 state @@ -145,20 +147,17 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_VAR_BETWEEN(pyb_rtc_datetime_obj, 1, 2, pyb_rtc_d STATIC mp_obj_t pyb_rtc_memory(mp_uint_t n_args, const mp_obj_t *args) { uint8_t rtcram[MEM_USER_MAXLEN]; uint32_t len; - uint32_t magic; if (n_args == 1) { - - system_rtc_mem_read(MEM_USER_MAGIC_ADDR, &magic, sizeof(magic)); - if (magic != MEM_MAGIC) { - return mp_const_none; - } + // read RTC memory system_rtc_mem_read(MEM_USER_LEN_ADDR, &len, sizeof(len)); system_rtc_mem_read(MEM_USER_DATA_ADDR, rtcram, len + (4 - len % 4)); return mp_obj_new_bytes(rtcram, len); } else { + // write RTC memory + mp_buffer_info_t bufinfo; mp_get_buffer_raise(args[1], &bufinfo, MP_BUFFER_READ); @@ -167,8 +166,6 @@ STATIC mp_obj_t pyb_rtc_memory(mp_uint_t n_args, const mp_obj_t *args) { "buffer too long")); } - magic = MEM_MAGIC; - system_rtc_mem_write(MEM_USER_MAGIC_ADDR, &magic, sizeof(magic)); len = bufinfo.len; system_rtc_mem_write(MEM_USER_LEN_ADDR, &len, sizeof(len)); |