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modem: hl7800: Make RSSI rate configurable

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Improve ability to sleep.

Signed-off-by: Ryan Erickson <ryan.erickson@lairdconnect.com>
This commit is contained in:
Ryan Erickson 2022-02-08 10:38:41 -06:00 • committed by Marti Bolivar
commit 8c1387ef1a
3 changed files with 28 additions and 5 deletions
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5
drivers/modem/Kconfig.hl7800
View file

@ -357,4 +357,9 @@ config MODEM_HL7800_ALLOW_SLEEP_DELAY_MS
int "Milliseconds to delay before allowing modem to sleep"
default 5000
config MODEM_HL7800_RSSI_RATE_SECONDS
int "Rate to automatically query RSSI"
default 0 if MODEM_HL7800_LOW_POWER_MODE
default 30
endif # MODEM_HL7800

22
drivers/modem/hl7800.c
View file

@ -294,7 +294,6 @@ static const struct mdm_control_pinconfig pinconfig[] = {
#define MDM_RESET_HIGH_TIME K_MSEC(10)
#define MDM_WAIT_FOR_DATA_RETRIES 3
#define RSSI_TIMEOUT_SECS 30
#define RSSI_UNKNOWN -999
#define DNS_WORK_DELAY_SECS 1
@ -596,6 +595,7 @@ static int write_apn(char *access_point_name);
static void mark_sockets_for_reconfig(void);
#endif
static void hl7800_build_mac(struct hl7800_iface_ctx *ictx);
static void rssi_query(void);
#ifdef CONFIG_MODEM_HL7800_LOW_POWER_MODE
static void initialize_sleep_level(void);
@ -965,6 +965,10 @@ static void event_handler(enum mdm_hl7800_event event, void *event_data)
void mdm_hl7800_get_signal_quality(int *rsrp, int *sinr)
{
if (CONFIG_MODEM_HL7800_RSSI_RATE_SECONDS == 0) {
rssi_query();
}
*rsrp = ictx.mdm_rssi;
*sinr = ictx.mdm_sinr;
}
@ -2716,6 +2720,9 @@ static int hl7800_query_rssi(void)
static void hl7800_start_rssi_work(void)
{
/* Rate is not checked here to allow one reading
* when going from network down->up
*/
k_work_reschedule_for_queue(&hl7800_workq, &ictx.rssi_query_work,
K_NO_WAIT);
}
@ -2730,17 +2737,24 @@ static void hl7800_stop_rssi_work(void)
}
}
static void hl7800_rssi_query_work(struct k_work *work)
static void rssi_query(void)
{
hl7800_lock();
wakeup_hl7800();
hl7800_query_rssi();
allow_sleep(true);
hl7800_unlock();
}
static void hl7800_rssi_query_work(struct k_work *work)
{
rssi_query();
/* re-start RSSI query work */
k_work_reschedule_for_queue(&hl7800_workq, &ictx.rssi_query_work,
K_SECONDS(RSSI_TIMEOUT_SECS));
if (CONFIG_MODEM_HL7800_RSSI_RATE_SECONDS > 0) {
k_work_reschedule_for_queue(&hl7800_workq, &ictx.rssi_query_work,
K_SECONDS(CONFIG_MODEM_HL7800_RSSI_RATE_SECONDS));
}
}
#ifdef CONFIG_MODEM_HL7800_GPS