sercomm: implemented a trivial echo dlci.

diff --git a/src/target/firmware/comm/sercomm.c b/src/target/firmware/comm/sercomm.c
index 505de70..cace046 100644 (file)
--- a/src/target/firmware/comm/sercomm.c
+++ b/src/target/firmware/comm/sercomm.c
@@ -85,6 +85,9 @@ void sercomm_init(void)
 
        sercomm.rx.msg = NULL;
        sercomm.initialized = 1;
+
+       /* set up the echo dlci */
+       sercomm_register_rx_cb(SC_DLCI_ECHO, &sercomm_sendmsg);
 }
 
 int sercomm_initialized(void)

diff --git a/src/target/firmware/include/comm/sercomm.h b/src/target/firmware/include/comm/sercomm.h
index 45a1e99..8fbbff9 100644 (file)
--- a/src/target/firmware/include/comm/sercomm.h
+++ b/src/target/firmware/include/comm/sercomm.h
@@ -21,6 +21,7 @@ enum sercomm_dlci {
        SC_DLCI_L1A_L23 = 5,
        SC_DLCI_LOADER  = 9,
        SC_DLCI_CONSOLE = 10,
+       SC_DLCI_ECHO    = 128,
        _SC_DLCI_MAX
 };