X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=blobdiff_plain;f=src%2Fao_radio.c;h=4dea6dce242934f7dd8f6e7d19b461133db125c8;hp=2dfa9279d4b6f808649237e5cfbc1979f6cc8785;hb=46f03ab3145a61139c8ca6fc99e8f2798728b5a9;hpb=7b14c3e609749f4fc00dbd660541375048535218

diff --git a/src/ao_radio.c b/src/ao_radio.c
index 2dfa9279..4dea6dce 100644
--- a/src/ao_radio.c
+++ b/src/ao_radio.c
@@ -28,14 +28,6 @@
  * RX filter:	93.75 kHz
  */
 
-/*
- * For 434.550MHz, the frequency value is:
- *
- * 434.550e6 / (24e6 / 2**16) = 1186611.2
- */
-
-#define FREQ_CONTROL	1186611
-
 /*
  * For IF freq of 140.62kHz, the IF value is:
  *
@@ -124,10 +116,6 @@ static __code uint8_t radio_setup[] = {
 	RF_PA_TABLE1_OFF,	RF_POWER,
 	RF_PA_TABLE0_OFF,	RF_POWER,
 
-	RF_FREQ2_OFF,		(FREQ_CONTROL >> 16) & 0xff,
-	RF_FREQ1_OFF,		(FREQ_CONTROL >> 8) & 0xff,
-	RF_FREQ0_OFF,		(FREQ_CONTROL >> 0) & 0xff,
-
 	RF_FSCTRL1_OFF,		(IF_FREQ_CONTROL << RF_FSCTRL1_FREQ_IF_SHIFT),
 	RF_FSCTRL0_OFF,		(0 << RF_FSCTRL0_FREQOFF_SHIFT),
 
@@ -281,6 +269,24 @@ static __code uint8_t packet_setup[] = {
 				 RF_PKTCTRL0_LENGTH_CONFIG_FIXED),
 };
 
+__xdata uint8_t	ao_radio_dma;
+__xdata uint8_t ao_radio_dma_done;
+__xdata uint8_t ao_radio_done;
+__xdata uint8_t ao_radio_mutex;
+
+void
+ao_radio_general_isr(void) interrupt 16
+{
+	S1CON &= ~0x03;
+	if (RFIF & RFIF_IM_TIMEOUT) {
+		ao_dma_abort(ao_radio_dma);
+		RFIF &= ~ RFIF_IM_TIMEOUT;
+	} else if (RFIF & RFIF_IM_DONE) {
+		ao_radio_done = 1;
+		ao_wakeup(&ao_radio_done);
+		RFIF &= ~RFIF_IM_DONE;
+	}
+}
 
 void
 ao_radio_set_telemetry(void)
@@ -306,10 +312,6 @@ ao_radio_set_rdf(void)
 		RF[rdf_setup[i]] = rdf_setup[i+1];
 }
 
-__xdata uint8_t	ao_radio_dma;
-__xdata uint8_t ao_radio_dma_done;
-__xdata uint8_t ao_radio_mutex;
-
 void
 ao_radio_idle(void)
 {
@@ -322,13 +324,25 @@ ao_radio_idle(void)
 	}
 }
 
-void
-ao_radio_send(__xdata struct ao_telemetry *telemetry) __reentrant
+static void
+ao_radio_get(void)
 {
 	ao_config_get();
 	ao_mutex_get(&ao_radio_mutex);
 	ao_radio_idle();
 	RF_CHANNR = ao_config.radio_channel;
+	RF_FREQ2 = (uint8_t) (ao_config.radio_cal >> 16);
+	RF_FREQ1 = (uint8_t) (ao_config.radio_cal >> 8);
+	RF_FREQ0 = (uint8_t) (ao_config.radio_cal);
+}
+
+#define ao_radio_put() ao_mutex_put(&ao_radio_mutex)
+
+void
+ao_radio_send(__xdata struct ao_telemetry *telemetry) __reentrant
+{
+	ao_radio_get();
+	ao_radio_done = 0;
 	ao_dma_set_transfer(ao_radio_dma,
 			    telemetry,
 			    &RFDXADDR,
@@ -341,18 +355,15 @@ ao_radio_send(__xdata struct ao_telemetry *telemetry) __reentrant
 			    DMA_CFG1_PRIORITY_HIGH);
 	ao_dma_start(ao_radio_dma);
 	RFST = RFST_STX;
-	__critical while (!ao_radio_dma_done)
-		ao_sleep(&ao_radio_dma_done);
-	ao_mutex_put(&ao_radio_mutex);
+	__critical while (!ao_radio_done)
+		ao_sleep(&ao_radio_done);
+	ao_radio_put();
 }
 
 uint8_t
 ao_radio_recv(__xdata struct ao_radio_recv *radio) __reentrant
 {
-	ao_config_get();
-	ao_mutex_get(&ao_radio_mutex);
-	ao_radio_idle();
-	RF_CHANNR = ao_config.radio_channel;
+	ao_radio_get();
 	ao_dma_set_transfer(ao_radio_dma,
 			    &RFDXADDR,
 			    radio,
@@ -367,7 +378,7 @@ ao_radio_recv(__xdata struct ao_radio_recv *radio) __reentrant
 	RFST = RFST_SRX;
 	__critical while (!ao_radio_dma_done)
 		ao_sleep(&ao_radio_dma_done);
-	ao_mutex_put(&ao_radio_mutex);
+	ao_radio_put();
 	return (ao_radio_dma_done & AO_DMA_DONE);
 }
 
@@ -379,8 +390,8 @@ ao_radio_rdf(int ms)
 {
 	uint8_t i;
 	uint8_t pkt_len;
-	ao_mutex_get(&ao_radio_mutex);
-	ao_radio_idle();
+
+	ao_radio_get();
 	ao_radio_rdf_running = 1;
 	for (i = 0; i < sizeof (rdf_setup); i += 2)
 		RF[rdf_setup[i]] = rdf_setup[i+1];
@@ -416,13 +427,13 @@ ao_radio_rdf(int ms)
 	ao_radio_idle();
 	for (i = 0; i < sizeof (telemetry_setup); i += 2)
 		RF[telemetry_setup[i]] = telemetry_setup[i+1];
-	ao_mutex_put(&ao_radio_mutex);
+	ao_radio_put();
 }
 
 void
-ao_radio_abort(uint8_t reason)
+ao_radio_abort(void)
 {
-	ao_dma_abort(ao_radio_dma, reason);
+	ao_dma_abort(ao_radio_dma);
 	ao_radio_idle();
 }
 
@@ -430,9 +441,29 @@ void
 ao_radio_rdf_abort(void)
 {
 	if (ao_radio_rdf_running)
-		ao_radio_abort(AO_DMA_ABORTED);
+		ao_radio_abort();
 }
 
+
+/* Output carrier */
+void
+ao_radio_test(void)
+{
+	ao_packet_slave_stop();
+	ao_radio_get();
+	printf ("Hit a character to stop..."); flush();
+	RFST = RFST_STX;
+	getchar();
+	ao_radio_idle();
+	ao_radio_put();
+	putchar('\n');
+}
+
+__code struct ao_cmds ao_radio_cmds[] = {
+	{ 'C',	ao_radio_test,	"C                                  Radio carrier test" },
+	{ 0,	ao_radio_test,	NULL },
+};
+
 void
 ao_radio_init(void)
 {
@@ -442,4 +473,8 @@ ao_radio_init(void)
 	ao_radio_set_telemetry();
 	ao_radio_dma_done = 1;
 	ao_radio_dma = ao_dma_alloc(&ao_radio_dma_done);
+	RFIF = 0;
+	RFIM = RFIM_IM_TIMEOUT|RFIM_IM_DONE;
+	IEN2 |= IEN2_RFIE;
+	ao_cmd_register(&ao_radio_cmds[0]);
 }