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authorBernhard Tittelbach <xro@realraum.at>2012-05-19 20:12:36 +0000
committerBernhard Tittelbach <xro@realraum.at>2012-05-19 20:12:36 +0000
commit7805e26a729ae96add7d8a467682dd8ccb13fbe2 (patch)
tree993d725ce09639ac545c6c81ecf64943be473684 /software/hhd70dongle/c1101lib.c
parentupdated teensy tools from spreadspace (rename to avr) (diff)
led on only during send
git-svn-id: https://svn.spreadspace.org/mur.sat@438 7de4ea59-55d0-425e-a1af-a3118ea81d4c
Diffstat (limited to 'software/hhd70dongle/c1101lib.c')
-rw-r--r--software/hhd70dongle/c1101lib.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/software/hhd70dongle/c1101lib.c b/software/hhd70dongle/c1101lib.c
index a29974e..872c211 100644
--- a/software/hhd70dongle/c1101lib.c
+++ b/software/hhd70dongle/c1101lib.c
@@ -174,7 +174,7 @@ int spi_c1101_write_txfifo(char *buffer, int len)
sb = spi_c1101_write_byte_ok_get_status(SPIC1101_ADDR_FIFO_WRITE_BURST);
if (sb < 0)
return -1;
- uint8_t debug_sb[6];
+ //~ uint8_t debug_sb[6];
while (len-- > 0 && SPIC1101_SB_FIFO_BYTES_AVAILABLE(sb) > 2)
{
//~ usb_rawhid_send((uint8_t*)"TXFifo bytes available",255);
@@ -214,9 +214,10 @@ void c1101_init(void)
// FSCTRL1 Frequency Synthesizer Control
spi_c1101_write_register(SPIC1101_ADDR_FSCTRL1, 0x06);
// FREQn Frequency Control Words
- spi_c1101_write_register(SPIC1101_ADDR_FREQ2, 0x10);
- spi_c1101_write_register(SPIC1101_ADDR_FREQ1, 0xD3);
- spi_c1101_write_register(SPIC1101_ADDR_FREQ0, 0xB1);
+ spi_c1101_write_register(SPIC1101_ADDR_FREQ2, 0x10); //should be 435.125 mhz
+ spi_c1101_write_register(SPIC1101_ADDR_FREQ1, 0xBF);
+ spi_c1101_write_register(SPIC1101_ADDR_FREQ0, 0xEF);
+ spi_c1101_write_register(SPIC1101_ADDR_FSCTRL0, 0); //frequency offset
// MDMCFGn Modem Configuration
spi_c1101_write_register(SPIC1101_ADDR_MDMCFG4, 0xF8);
spi_c1101_write_register(SPIC1101_ADDR_MDMCFG3, 0x83);
@@ -241,6 +242,7 @@ void c1101_init(void)
//c1101_setFrequency(1091741,0,15);
}
+//f_XOSC = 25,978016865 Mhz
// freq: desired_carrier_freq [Hz] *2^16 / f_XOSC
// freq_offset: desired frequency offset [Hz] *2^14 / f_XOSC
// if_freq: desired intermidiate rx frequency [Hz] *2^10 / f_XOSC