Fixed gnss reinitialization logic

Made the system capable of reinitilizing the GNSS chip after powering it
off.

Signed-off-by: Jared Baumann <jared.baumann8@t-mobile.com>

Author: jtbaumann

samples/tmo_shell/src/tmo_gnss.c

@@ -115,6 +115,23 @@ int gnss_version(void)
 	return rc;
 }
 
+int gnss_cold_start(void)
+{
+	return sensor_attr_set(cxd5605,SENSOR_CHAN_ALL,SENSOR_ATTR_CXD5605_COLD_START, NULL);
+}
+
+int gnss_warm_start(void)
+{
+	return sensor_attr_set(cxd5605,SENSOR_CHAN_ALL,SENSOR_ATTR_CXD5605_WARM_START, NULL);
+}
+
+
+int gnss_hot_start(void)
+{
+	return sensor_attr_set(cxd5605,SENSOR_CHAN_ALL,SENSOR_ATTR_CXD5605_HOT_START_TTFF, NULL);
+}
+
+
 static uint8_t current_state = ENABLE_HARDWARE;
 
 void gnss_enable_hardware(void)
@@ -166,7 +183,6 @@ void gnss_thread(void *a, void *b, void *c)
 
 		switch (current_state) {
 		case ENABLE_HARDWARE:
-			rc = sensor_attr_set(cxd5605,SENSOR_CHAN_ALL,SENSOR_ATTR_CXD5605_CALLBACK, &sens_values);
 			sens_values.val1 = 1;
 			sens_values.val2 = (int32_t)callback_1pps;
 			rc = sensor_attr_set(cxd5605,SENSOR_CHAN_ALL,SENSOR_ATTR_CXD5605_PULSE, &sens_values);

samples/tmo_shell/src/tmo_gnss.h

@@ -31,6 +31,9 @@ void setup_gnss(void);
 void readGNSSData(void);
 void ln_buf_gen(void);
 int gnss_version(void);
+int gnss_cold_start(void);
+int gnss_warm_start(void);
+int gnss_hot_start(void);
 
 #ifdef TMO_GNSS
 /* variables for tmo_gnss.c */

samples/tmo_shell/src/tmo_shell.c

@@ -1677,13 +1677,52 @@ int cmd_gnss_version(const struct shell *shell, size_t argc, char **argv)
 
 	ret = gnss_version();
 	if (ret) {
-		printf("%s:%d - Error reading GNSS version (%d)\n", __FUNCTION__, __LINE__, ret);
+		shell_error(shell, "%s:%d - Error reading GNSS version (%d)\n", __FUNCTION__, __LINE__, ret);
 		return 1;
 	}
 
 	return 0;
 }
 
+int cmd_gnss_start_cold(const struct shell *shell, size_t argc, char **argv)
+{
+	int ret;
+
+	ret = gnss_cold_start();
+	if (ret) {
+		shell_error(shell, "%s:%d - Error reading GNSS version (%d)\n", __FUNCTION__, __LINE__, ret);
+		return EIO;
+	}
+
+	return 0;
+}
+
+int cmd_gnss_start_warm(const struct shell *shell, size_t argc, char **argv)
+{
+	int ret;
+
+	ret = gnss_warm_start();
+	if (ret) {
+		shell_error(shell, "%s:%d - Error reading GNSS version (%d)\n", __FUNCTION__, __LINE__, ret);
+		return EIO;
+	}
+
+	return 0;
+}
+
+int cmd_gnss_start_hot(const struct shell *shell, size_t argc, char **argv)
+{
+	int ret;
+
+	ret = gnss_hot_start();
+	if (ret) {
+		shell_error(shell, "%s:%d - Error reading GNSS version (%d)\n", __FUNCTION__, __LINE__, ret);
+		return EIO;
+	}
+
+	return 0;
+}
+
 void print_set_modem_edrx_usage(const struct shell *shell)
 {
 	shell_print(shell, "tmo modem <iface> edrx <mode> <Act-type> <edrx value>");
@@ -2755,6 +2794,12 @@ SHELL_STATIC_SUBCMD_SET_CREATE(tmo_file_sub, SHELL_CMD(cp, NULL, "Copy a file",
 			       SHELL_CMD(sha1, NULL, "Compute a file SHA1", cmd_sha1),
 			       SHELL_SUBCMD_SET_END);
 
+SHELL_STATIC_SUBCMD_SET_CREATE(tmo_gnss_start_sub,
+			       SHELL_CMD(cold, NULL, "Perform a cold start", cmd_gnss_start_cold),
+			       SHELL_CMD(hot, NULL, "Perform a (Pseudo)Hot start", cmd_gnss_start_hot),
+			       SHELL_CMD(warm, NULL, "Perform a warm start", cmd_gnss_start_warm),
+			       SHELL_SUBCMD_SET_END);
+
 SHELL_STATIC_SUBCMD_SET_CREATE(
 	sub_tmo, SHELL_CMD(battery, &tmo_battery_sub, "Battery and charger status", NULL),
 	SHELL_CMD(ble, &tmo_ble_sub, "BLE test commands", NULL),
@@ -2769,6 +2814,7 @@ SHELL_STATIC_SUBCMD_SET_CREATE(
 	SHELL_CMD(dns, NULL, "Perform dns lookup", cmd_dnslookup),
 	SHELL_CMD(file, &tmo_file_sub, "File commands", NULL),
 	SHELL_CMD(gnssversion, NULL, "Get GNSS chip version", cmd_gnss_version),
+	SHELL_CMD(gnssstart, &tmo_gnss_start_sub, "Start GNSS Aquisition", NULL),
 	SHELL_CMD(http, NULL, "Get http URL", cmd_http),
 	SHELL_CMD(hwid, NULL, "Read the HWID divider voltage", cmd_hwid),
 	SHELL_CMD(ifaces, NULL, "List network interfaces", cmd_list_ifaces),