diff options
| author | Michal Hanus <hanus.michal@divelit.cz> | 2025-05-28 19:32:45 +0200 |
|---|---|---|
| committer | Michal Hanus <hanus.michal@divelit.cz> | 2025-05-28 19:32:45 +0200 |
| commit | 8c735902fc372402c7c27d03fc8f77532fef542e (patch) | |
| tree | 3879d4cf957cda7230fdaaa9f07f66cad594fb76 | |
| parent | f4b199f60188733cb3bafeb199bdf6fe3758616e (diff) | |
posun
| -rw-r--r-- | bakalarka.pdf | bin | 4593345 -> 0 bytes | |||
| -rw-r--r-- | nrfdemo/src/main.c | 9 | ||||
| -rw-r--r-- | text/chipy.tex | 11 | ||||
| -rw-r--r-- | text/protokolyLPWAN.tex | 2 |
4 files changed, 16 insertions, 6 deletions
diff --git a/bakalarka.pdf b/bakalarka.pdf Binary files differdeleted file mode 100644 index 01dc551..0000000 --- a/bakalarka.pdf +++ /dev/null diff --git a/nrfdemo/src/main.c b/nrfdemo/src/main.c index e44acaa..81f6654 100644 --- a/nrfdemo/src/main.c +++ b/nrfdemo/src/main.c @@ -78,7 +78,7 @@ static int modem_configure(void) return err; } - err = lte_lc_system_mode_set(LTE_LC_SYSTEM_MODE_LTEM, LTE_LC_SYSTEM_MODE_PREFER_LTEM); + err = lte_lc_system_mode_set(LTE_LC_SYSTEM_MODE_NBIOT, LTE_LC_SYSTEM_MODE_PREFER_NBIOT); if (err) { LOG_ERR("Failed to set system mode LTE-M: %d", err); return err; @@ -97,7 +97,7 @@ static int modem_configure(void) // Blink LED to indicate we connected to MQTT broker dk_set_led_on(DK_LED1); - k_msleep(2000); + k_msleep(1000); dk_set_led_off(DK_LED1); return 0; @@ -357,9 +357,8 @@ int main(void) do_connect: if (connect_attempt++ > 0) { - LOG_INF("Reconnecting in %d seconds...", - 20); - k_sleep(K_SECONDS(20)); + LOG_INF("Reconnecting in %d seconds...", 2); + k_sleep(K_SECONDS(2)); // resleep } LOG_INF("Connection to broker using mqtt_connect"); diff --git a/text/chipy.tex b/text/chipy.tex index 01a8fb7..a4c4c12 100644 --- a/text/chipy.tex +++ b/text/chipy.tex @@ -307,4 +307,13 @@ Comparisons of the main parameters of the most common nRF9160 boards is provided % \section{Nordic Semiconductor nRF9161} -\section{Nordic Semiconductor nRF9151}
\ No newline at end of file + +nRF9161 is evolution of nRF9160 in same form-factor and it enables every function of its predecessor with additional and improved capabilities such as implementation of 3GPP Release 14 LTE-M/NB-IoT LTE stack and support for alternative modem firmware for DECT NR+ stack. \cite{cite} + +Capabilities and description of DECT NR+ can be found in chapter \ref{dectdescrition}. + +\section{Nordic Semiconductor nRF9151} + +nRF9151 is another evolution o nRF9151. Its main advantages are smaller footprint (reduction of 20 \%), additional Power Class 5 (20 dBm) support for LTE stack and promise of eventual addition for \ac{NTN} \cite{cite}. + +% https://www.nordicsemi.com/-/media/Software-and-other-downloads/Product-Briefs/nRF9151-SiP-PB-v1.2.pdf
\ No newline at end of file diff --git a/text/protokolyLPWAN.tex b/text/protokolyLPWAN.tex index 437dd0b..ea47f6d 100644 --- a/text/protokolyLPWAN.tex +++ b/text/protokolyLPWAN.tex @@ -244,3 +244,5 @@ https://docs.nordicsemi.com/bundle/ps\_nrf9161/page/dect.html\#ariaid-title4 https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/dect-nr-a-technical-dive-into-non-cellular-5g https://blog.nordicsemi.com/getconnected/the-next-step-for-m2m-communications + +\subsection{DECT NR+} \label{dectdescrition}
\ No newline at end of file |