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authorJosh Blum <josh@joshknows.com>2011-06-20 07:59:09 -0700
committerJosh Blum <josh@joshknows.com>2011-06-20 07:59:09 -0700
commite0af09e96509ee091ca94cbe64dd818a4a221fdd (patch)
tree4e7c5f7bed13675d57db5bb03ffd3ce6ebac731a /host/lib/usrp/b100
parentc7f848ab0da69e54c88ad36bde94b9fe665f386e (diff)
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b100: also spi wait before using spi to ensure its ready
Diffstat (limited to 'host/lib/usrp/b100')
-rw-r--r--host/lib/usrp/b100/b100_iface.cpp1
1 files changed, 1 insertions, 0 deletions
diff --git a/host/lib/usrp/b100/b100_iface.cpp b/host/lib/usrp/b100/b100_iface.cpp
index 402560c33..f0e241541 100644
--- a/host/lib/usrp/b100/b100_iface.cpp
+++ b/host/lib/usrp/b100/b100_iface.cpp
@@ -282,6 +282,7 @@ public:
boost::uint16_t ctrl = SPI_CTRL_ASS | (SPI_CTRL_CHAR_LEN_MASK & num_bits) | edge_flags;
+ spi_wait();
poke16(B100_REG_SPI_DIV, 0x0001); // = fpga_clk / 4
poke32(B100_REG_SPI_SS, which_slave & 0xFFFF);
poke32(B100_REG_SPI_TXRX0, bits);