altos: Horrible kludge -- disable radio while talking with SD card

[fw/altos] / src / drivers / ao_cc115l.c

diff --git a/src/drivers/ao_cc115l.c b/src/drivers/ao_cc115l.c
index 1d8211f6c51fee7153d24d0ffe0103cd96d1a526..d6a938ac5c32a8fc0bf6152a08d7da0d64444389 100644 (file)
--- a/src/drivers/ao_cc115l.c
+++ b/src/drivers/ao_cc115l.c
@@ -23,7 +23,7 @@
 
 #define AO_RADIO_MAX_SEND      sizeof (struct ao_telemetry_generic)
 
-static uint8_t ao_radio_mutex;
+uint8_t ao_radio_mutex;
 
 static uint8_t ao_radio_fifo;          /* fifo drained interrupt received */
 static uint8_t ao_radio_done;          /* tx done interrupt received */
@@ -33,7 +33,7 @@ static uint8_t ao_radio_mcu_wake;     /* MARC status change */
 static uint8_t ao_radio_marcstate;     /* Last read MARC state value */
 
 /* Debugging commands */
-#define CC115L_DEBUG   1
+#define CC115L_DEBUG   0
 
 /* Runtime tracing */
 #define CC115L_TRACE   0
@@ -282,6 +282,10 @@ static const uint16_t packet_setup[] = {
        CC115L_MDMCFG4,         ((0xf << 4) |
                                 (PACKET_DRATE_E << CC115L_MDMCFG4_DRATE_E)),
        CC115L_MDMCFG3,         (PACKET_DRATE_M),
+       CC115L_MDMCFG2,         (0x00 |
+                                (CC115L_MDMCFG2_MOD_FORMAT_GFSK << CC115L_MDMCFG2_MOD_FORMAT) |
+                                (0 << CC115L_MDMCFG2_MANCHESTER_EN) |
+                                (CC115L_MDMCFG2_SYNC_MODE_16BITS << CC115L_MDMCFG2_SYNC_MODE)),
 };
 
 
@@ -317,6 +321,10 @@ static const uint16_t rdf_setup[] = {
        CC115L_MDMCFG4,         ((0xf << 4) |
                                 (RDF_DRATE_E << CC115L_MDMCFG4_DRATE_E)),
        CC115L_MDMCFG3,         (RDF_DRATE_M),
+       CC115L_MDMCFG2,         (0x00 |
+                                (CC115L_MDMCFG2_MOD_FORMAT_GFSK << CC115L_MDMCFG2_MOD_FORMAT) |
+                                (0 << CC115L_MDMCFG2_MANCHESTER_EN) |
+                                (CC115L_MDMCFG2_SYNC_MODE_NONE << CC115L_MDMCFG2_SYNC_MODE)),
 };
 
 /*
@@ -348,6 +356,10 @@ static const uint16_t aprs_setup[] = {
        CC115L_MDMCFG4,         ((0xf << 4) |
                                 (APRS_DRATE_E << CC115L_MDMCFG4_DRATE_E)),
        CC115L_MDMCFG3,         (APRS_DRATE_M),
+       CC115L_MDMCFG2,         (0x00 |
+                                (CC115L_MDMCFG2_MOD_FORMAT_GFSK << CC115L_MDMCFG2_MOD_FORMAT) |
+                                (0 << CC115L_MDMCFG2_MANCHESTER_EN) |
+                                (CC115L_MDMCFG2_SYNC_MODE_NONE << CC115L_MDMCFG2_SYNC_MODE)),
 };
 
 #define AO_PKTCTRL0_INFINITE   ((CC115L_PKTCTRL0_PKT_FORMAT_NORMAL << CC115L_PKTCTRL0_PKT_FORMAT) | \
@@ -430,16 +442,16 @@ static const uint16_t radio_setup[] = {
        AO_CC115L_DONE_INT_GPIO_IOCFG,      CC115L_IOCFG_GPIO_CFG_PA_PD | (1 << CC115L_IOCFG_GPIO_INV),
 
         CC115L_FIFOTHR,                     0x47,       /* TX FIFO Thresholds */
-        CC115L_PKTCTRL0,                    0x05,       /* Packet Automation Control */
         CC115L_FREQ2,                       0x10,       /* Frequency Control Word, High Byte */
         CC115L_FREQ1,                       0xb6,       /* Frequency Control Word, Middle Byte */
         CC115L_FREQ0,                       0xa5,       /* Frequency Control Word, Low Byte */
-        CC115L_MDMCFG4,                     0xfa,       /* Modem Configuration */
-        CC115L_MDMCFG3,                     0x83,       /* Modem Configuration */
         CC115L_MDMCFG2,                     0x13,       /* Modem Configuration */
-        CC115L_MDMCFG1,                     0x21,       /* Modem Configuration */
+       CC115L_MDMCFG1,                     (0x00 |
+                                            (CC115L_MDMCFG1_NUM_PREAMBLE_4 << CC115L_MDMCFG1_NUM_PREAMBLE) |
+                                            (1 << CC115L_MDMCFG1_CHANSPC_E)),
+       CC115L_MDMCFG0,                     248,        /* Channel spacing M value (100kHz channels) */
         CC115L_DEVIATN,                     0x35,       /* Modem Deviation Setting */
-        CC115L_MCSM0,                       0x18,       /* Main Radio Control State Machine Configuration */
+        CC115L_MCSM0,                       0x38,       /* Main Radio Control State Machine Configuration */
         CC115L_RESERVED_0X20,               0xfb,       /* Use setting from SmartRF Studio */
         CC115L_FSCAL3,                      0xe9,       /* Frequency Synthesizer Calibration */
         CC115L_FSCAL2,                      0x2a,       /* Frequency Synthesizer Calibration */
@@ -448,8 +460,7 @@ static const uint16_t radio_setup[] = {
         CC115L_TEST2,                       0x81,       /* Various Test Settings */
         CC115L_TEST1,                       0x35,       /* Various Test Settings */
         CC115L_TEST0,                       0x09,       /* Various Test Settings */
-
-       CC115L_PA,                          0x00,        /* Power setting (0dBm) */
+       CC115L_PA,                          0x00,       /* Power setting (as low as possible) */
 };
 
 static uint8_t ao_radio_configured = 0;
@@ -505,7 +516,7 @@ ao_radio_get(void)
 }
 
 static void
-ao_radio_send_lots(ao_radio_fill_func fill, uint8_t mode);
+_ao_radio_send_lots(ao_radio_fill_func fill, uint8_t mode);
 
 #define ao_radio_put() ao_mutex_put(&ao_radio_mutex)
 
@@ -558,10 +569,12 @@ ao_radio_tone_fill(uint8_t *buf, int16_t len)
 static void
 ao_radio_tone_run(struct ao_radio_tone *tones, int ntones)
 {
+       ao_radio_get();
        ao_radio_tone = tones;
        ao_radio_tone_current = 0;
        ao_radio_tone_offset = 0;
-       ao_radio_send_lots(ao_radio_tone_fill, AO_RADIO_MODE_RDF);
+       _ao_radio_send_lots(ao_radio_tone_fill, AO_RADIO_MODE_RDF);
+       ao_radio_put();
 }
 
 void
@@ -707,15 +720,19 @@ ao_radio_send_fill(uint8_t *buf, int16_t len)
 void
 ao_radio_send(const void *d, uint8_t size)
 {
+       int i;
+
+       ao_radio_get();
        ao_radio_send_len = ao_fec_encode(d, size, tx_data);
        ao_radio_send_buf = tx_data;
-       ao_radio_send_lots(ao_radio_send_fill, AO_RADIO_MODE_PACKET_TX);
+       _ao_radio_send_lots(ao_radio_send_fill, AO_RADIO_MODE_PACKET_TX);
+       ao_radio_put();
 }
 
 #define AO_RADIO_LOTS  64
 
 static void
-ao_radio_send_lots(ao_radio_fill_func fill, uint8_t mode)
+_ao_radio_send_lots(ao_radio_fill_func fill, uint8_t mode)
 {
        uint8_t buf[AO_RADIO_LOTS], *b;
        int     cnt;
@@ -724,7 +741,6 @@ ao_radio_send_lots(ao_radio_fill_func fill, uint8_t mode)
        uint8_t started = 0;
        uint8_t fifo_space;
 
-       ao_radio_get();
        fifo_space = CC115L_FIFO_SIZE;
        ao_radio_done = 0;
        ao_radio_fifo = 0;
@@ -784,13 +800,14 @@ ao_radio_send_lots(ao_radio_fill_func fill, uint8_t mode)
                ao_radio_idle();
        ao_radio_wait_done();
        ao_radio_pa_off();
-       ao_radio_put();
 }
 
 void
 ao_radio_send_aprs(ao_radio_fill_func fill)
 {
-       ao_radio_send_lots(fill, AO_RADIO_MODE_APRS);
+       ao_radio_get();
+       _ao_radio_send_lots(fill, AO_RADIO_MODE_APRS);
+       ao_radio_put();
 }
 
 #if CC115L_DEBUG