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Diffstat (limited to 'Src/osmocombb/src/target/firmware/layer1/prim_utils.c')
-rw-r--r--Src/osmocombb/src/target/firmware/layer1/prim_utils.c74
1 files changed, 74 insertions, 0 deletions
diff --git a/Src/osmocombb/src/target/firmware/layer1/prim_utils.c b/Src/osmocombb/src/target/firmware/layer1/prim_utils.c
new file mode 100644
index 0000000..c85da71
--- /dev/null
+++ b/Src/osmocombb/src/target/firmware/layer1/prim_utils.c
@@ -0,0 +1,74 @@
+/* Layer 1 Various primitive utilities */
+
+/* (C) 2010 by Sylvain Munaut <tnt@246tNt.com>
+ *
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ */
+
+#include <stdint.h>
+
+#include <osmocom/core/msgb.h>
+#include <layer1/sync.h>
+
+
+static const uint8_t ubUui[23] = {
+ /* dummy lapdm header */
+ 0x01, 0x03, 0x01,
+
+ /* fill bytes */
+ 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b,
+ 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b, 0x2b,
+ 0x2b, 0x2b, 0x2b, 0x2b
+};
+
+static uint8_t ubMeas[23] = {
+ /* L1 SAACH pseudo-header */
+ 0x0f, 0x00,
+
+ /* lapdm header */
+ 0x01, 0x03, 0x49,
+
+ /* Measurement report */
+ 0x06, 0x15, 0x36, 0x36, 0x01, 0xC0, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00
+};
+
+
+const uint8_t *pu_get_idle_frame(void)
+{
+ return ubUui;
+}
+
+void pu_update_rx_level(uint8_t rx_level)
+{
+ ubMeas[7] = ubMeas[8] = rx_level;
+}
+
+const uint8_t *pu_get_meas_frame(void)
+{
+ if (l1s.tx_meas) {
+ return l1s.tx_meas->l3h;
+ } else {
+ /* Update L1 SAACH pseudo-header */
+ ubMeas[0] = l1s.tx_power;
+ ubMeas[1] = l1s.ta;
+
+ return ubMeas;
+ }
+}