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Diffstat (limited to 'src/drivers/ao_cc115l.c')
-rw-r--r--src/drivers/ao_cc115l.c38
1 files changed, 32 insertions, 6 deletions
diff --git a/src/drivers/ao_cc115l.c b/src/drivers/ao_cc115l.c
index 30c56442..bbe1ad3b 100644
--- a/src/drivers/ao_cc115l.c
+++ b/src/drivers/ao_cc115l.c
@@ -328,11 +328,17 @@ static const uint16_t rdf_setup[] = {
};
/*
- * APRS deviation is the same as RDF
+ * APRS wide deviation is the same as RDF, medium is 3/4 of that, low is 1/2 of that
*/
-#define APRS_DEV_E RDF_DEV_E
-#define APRS_DEV_M RDF_DEV_M
+#define APRS_WIDE_DEV_E RDF_DEV_E
+#define APRS_WIDE_DEV_M RDF_DEV_M
+
+#define APRS_MED_DEV_E 1
+#define APRS_MED_DEV_M 1
+
+#define APRS_NAR_DEV_E 0
+#define APRS_NAR_DEV_M 4
/*
* For our APRS beacon, set the symbol rate to 9.6kBaud (8x oversampling for 1200 baud data rate)
@@ -351,8 +357,6 @@ static const uint16_t rdf_setup[] = {
#define APRS_DRATE_M 131
static const uint16_t aprs_setup[] = {
- CC115L_DEVIATN, ((APRS_DEV_E << CC115L_DEVIATN_DEVIATION_E) |
- (APRS_DEV_M << CC115L_DEVIATN_DEVIATION_M)),
CC115L_MDMCFG4, ((0xf << 4) |
(APRS_DRATE_E << CC115L_MDMCFG4_DRATE_E)),
CC115L_MDMCFG3, (APRS_DRATE_M),
@@ -362,6 +366,20 @@ static const uint16_t aprs_setup[] = {
(CC115L_MDMCFG2_SYNC_MODE_NONE << CC115L_MDMCFG2_SYNC_MODE)),
};
+#define APRS_WIDE_DEVIATN ((APRS_WIDE_DEV_E << CC115L_DEVIATN_DEVIATION_E) | \
+ (APRS_WIDE_DEV_M << CC115L_DEVIATN_DEVIATION_M))
+
+#define APRS_MED_DEVIATN ((APRS_MED_DEV_E << CC115L_DEVIATN_DEVIATION_E) | \
+ (APRS_MED_DEV_M << CC115L_DEVIATN_DEVIATION_M))
+
+#define APRS_NAR_DEVIATN ((APRS_NAR_DEV_E << CC115L_DEVIATN_DEVIATION_E) | \
+ (APRS_NAR_DEV_M << CC115L_DEVIATN_DEVIATION_M))
+
+
+static const uint8_t aprs_width[] = {
+ APRS_NAR_DEVIATN, APRS_MED_DEVIATN, APRS_WIDE_DEVIATN
+};
+
#define AO_PKTCTRL0_INFINITE ((CC115L_PKTCTRL0_PKT_FORMAT_NORMAL << CC115L_PKTCTRL0_PKT_FORMAT) | \
(0 << CC115L_PKTCTRL0_PKT_CRC_EN) | \
(CC115L_PKTCTRL0_PKT_LENGTH_CONFIG_INFINITE << CC115L_PKTCTRL0_PKT_LENGTH_CONFIG))
@@ -411,9 +429,11 @@ ao_radio_set_mode(uint16_t new_mode)
for (i = 0; i < sizeof (rdf_setup) / sizeof (rdf_setup[0]); i += 2)
ao_radio_reg_write(rdf_setup[i], rdf_setup[i+1]);
- if (changes & AO_RADIO_MODE_BITS_APRS)
+ if (changes & AO_RADIO_MODE_BITS_APRS) {
for (i = 0; i < sizeof (aprs_setup) / sizeof (aprs_setup[0]); i += 2)
ao_radio_reg_write(aprs_setup[i], aprs_setup[i+1]);
+ ao_radio_reg_write(CC115L_DEVIATN, aprs_width[ao_config.aprs_width]);
+ }
if (changes & AO_RADIO_MODE_BITS_INFINITE)
ao_radio_reg_write(CC115L_PKTCTRL0, AO_PKTCTRL0_INFINITE);
@@ -799,7 +819,13 @@ _ao_radio_send_lots(ao_radio_fill_func fill, uint8_t mode)
void
ao_radio_send_aprs(ao_radio_fill_func fill)
{
+ static uint8_t last_width;
ao_radio_get();
+ /* Force deviation set when it changes */
+ if (last_width != ao_config.aprs_width) {
+ last_width = ao_config.aprs_width;
+ ao_radio_mode &= ~AO_RADIO_MODE_APRS;
+ }
_ao_radio_send_lots(fill, AO_RADIO_MODE_APRS);
ao_radio_put();
}