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drivers: modem: hl7800 Add Site Survey

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Add API to determine nearby cell towers and their signal
strength.

Signed-off-by: Ryan Erickson <ryan.erickson@lairdconnect.com>
This commit is contained in:
Ryan Erickson 2021-09-01 08:24:31 -05:00 • committed by Anas Nashif
commit ef322d9e16
2 changed files with 105 additions and 1 deletions
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21
include/drivers/modem/hl7800.h
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@ -84,6 +84,13 @@ struct mdm_hl7800_apn {
#define MDM_HL7800_SET_POLTE_USER_AND_PASSWORD_FMT_STR "AT%%POLTECMD=\"SERVERAUTH\",\"%s\",\"%s\""
struct mdm_hl7800_site_survey {
uint32_t earfcn; /* EUTRA Absolute Radio Frequency Channel Number */
uint32_t cell_id;
int rsrp;
int rsrq;
};
enum mdm_hl7800_radio_mode { MDM_RAT_CAT_M1 = 0, MDM_RAT_CAT_NB1 };
enum mdm_hl7800_event {
@ -104,7 +111,8 @@ enum mdm_hl7800_event {
HL7800_EVENT_GPS_POSITION_STATUS,
HL7800_EVENT_POLTE_REGISTRATION,
HL7800_EVENT_POLTE_LOCATE_STATUS,
HL7800_EVENT_POLTE
HL7800_EVENT_POLTE,
HL7800_EVENT_SITE_SURVEY,
};
enum mdm_hl7800_startup_state {
@ -237,6 +245,7 @@ struct mdm_hl7800_polte_location_data {
* HL7800_EVENT_POLTE_REGISTRATION mdm_hl7800_polte_registration_event_data
* HL7800_EVENT_POLTE mdm_hl7800_polte_location_data
* HL7800_EVENT_POLTE_LOCATE_STATUS int
* HL7800_EVENT_SITE_SURVEY mdm_hl7800_site_survey
*/
typedef void (*mdm_hl7800_event_callback_t)(enum mdm_hl7800_event event,
void *event_data);
@ -441,6 +450,16 @@ int32_t mdm_hl7800_polte_enable(char *user, char *password);
*/
int32_t mdm_hl7800_polte_locate(void);
/**
* @brief Perform a site survey. This command may return different values
* each time it is run (depending on what is in range).
*
* HL7800_EVENT_SITE_SURVEY is generated for each response received from modem.
*
* @retval negative error code, 0 on success
*/
int32_t mdm_hl7800_perform_site_survey(void);
#ifdef __cplusplus
}
#endif