diff options
Diffstat (limited to 'ft2232_spi.c')
| -rw-r--r-- | ft2232_spi.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/ft2232_spi.c b/ft2232_spi.c index d565a6f..80c6d4e 100644 --- a/ft2232_spi.c +++ b/ft2232_spi.c @@ -29,6 +29,17 @@ #include "spi.h" #include <ftdi.h> +/* Change this to #define if you want lowlevel debugging of commands + * sent to the FT2232 SPI controller. + */ +#undef COMM_DEBUG + +#ifdef COMM_DEBUG +#define msg_comm_debug printf_debug +#else +#define msg_comm_debug(...) do {} while (0) +#endif + /* * The 'H' chips can run internally at either 12MHz or 60MHz. * The non-H chips can only run at 12MHz. @@ -224,7 +235,7 @@ int ft2232_spi_send_command(unsigned int writecnt, unsigned int readcnt, * and deassert CS# all in one shot. If reading, we do three separate * operations. */ - printf_debug("Assert CS#\n"); + msg_comm_debug("Assert CS#\n"); buf[i++] = SET_BITS_LOW; buf[i++] = 0 & ~CS_BIT; /* assertive */ buf[i++] = 0x0b; @@ -266,7 +277,7 @@ int ft2232_spi_send_command(unsigned int writecnt, unsigned int readcnt, } } - printf_debug("De-assert CS#\n"); + msg_comm_debug("De-assert CS#\n"); buf[i++] = SET_BITS_LOW; buf[i++] = CS_BIT; buf[i++] = 0x0b; |
