altos/cc1200: Adjust bit-sync configuration

[fw/altos] / src / drivers / ao_packet.c

diff --git a/src/drivers/ao_packet.c b/src/drivers/ao_packet.c
index 3c1e7a18eb643168be3520e558f0ee6781ce963f..8c2db2755d423c51139dfa91a48c4de5a9b9c06e 100644 (file)
--- a/src/drivers/ao_packet.c
+++ b/src/drivers/ao_packet.c
@@ -21,8 +21,8 @@ __xdata struct ao_packet_recv ao_rx_packet;
 __xdata struct ao_packet ao_tx_packet;
 __pdata uint8_t ao_packet_rx_len, ao_packet_rx_used, ao_packet_tx_used;
 
-static __xdata char tx_data[AO_PACKET_MAX];
-static __xdata char rx_data[AO_PACKET_MAX];
+static __xdata uint8_t tx_data[AO_PACKET_MAX];
+static __xdata uint8_t rx_data[AO_PACKET_MAX];
 static __pdata uint8_t rx_seq;
 
 __xdata struct ao_task ao_packet_task;
@@ -31,7 +31,6 @@ __xdata uint8_t ao_packet_restart;
 
 #if PACKET_HAS_MASTER
 __xdata uint8_t ao_packet_master_sleeping;
-__xdata uint8_t ao_packet_last_rssi;
 #endif
 
 void
@@ -55,14 +54,14 @@ ao_packet_send(void)
 }
 
 uint8_t
-ao_packet_recv(void)
+ao_packet_recv(uint16_t timeout)
 {
        uint8_t dma_done;
 
 #ifdef AO_LED_GREEN
        ao_led_on(AO_LED_GREEN);
 #endif
-       dma_done = ao_radio_recv(&ao_rx_packet, sizeof (struct ao_packet_recv));
+       dma_done = ao_radio_recv(&ao_rx_packet, sizeof (struct ao_packet_recv), timeout);
 #ifdef AO_LED_GREEN
        ao_led_off(AO_LED_GREEN);
 #endif
@@ -82,20 +81,27 @@ ao_packet_recv(void)
        /* Check to see if we got a valid packet */
        if (!dma_done)
                return 0;
-       if (!(ao_rx_packet.status & AO_RADIO_STATUS_CRC_OK))
+       if (!(ao_rx_packet.status & AO_RADIO_STATUS_CRC_OK)) {
+               printf("bad crc addr %d len %d seq %d ack %d callsign %8.8s\n",
+                       ao_rx_packet.packet.addr,
+                       ao_rx_packet.packet.len,
+                       ao_rx_packet.packet.seq,
+                       ao_rx_packet.packet.ack,
+                       ao_rx_packet.packet.callsign);
+               flush();
                return 0;
+       }
 
-#if PACKET_HAS_MASTER
-       ao_packet_last_rssi = ao_rx_packet.rssi;
-#endif
        /* Accept packets with matching call signs, or any packet if
         * our callsign hasn't been configured
         */
        if (ao_xmemcmp(ao_rx_packet.packet.callsign,
                       ao_config.callsign,
                       AO_MAX_CALLSIGN) != 0 &&
-           ao_xmemcmp(ao_config.callsign, CODE_TO_XDATA("N0CALL"), 7) != 0)
+           ao_xmemcmp(ao_config.callsign, CODE_TO_XDATA("N0CALL"), 7) != 0) {
+               printf ("bad call\n"); flush();
                return 0;
+       }
 
        /* SYN packets carry no data */
        if (ao_rx_packet.packet.len == AO_PACKET_SYN) {
@@ -169,12 +175,10 @@ ao_packet_putchar(char c) __reentrant
                tx_data[ao_packet_tx_used++] = c;
 }
 
-char
-ao_packet_pollchar(void)
+/* May be called with interrupts blocked */
+int
+_ao_packet_pollchar(void)
 {
-       /* No need to block interrupts, all variables here
-        * are only manipulated in task context
-        */
        if (!ao_packet_enable)
                return AO_READ_AGAIN;