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| author | Marti Bolivar <mbolivar@leaflabs.com> | 2012-08-27 16:50:39 -0400 |
|---|---|---|
| committer | Marti Bolivar <mbolivar@leaflabs.com> | 2012-08-27 16:50:57 -0400 |
| commit | ee22c3dc6d945262303d43e733eaac91bfcf0d9d (patch) | |
| tree | 2a68b1c7bf10c9498f44103497c2e347539b4952 /wirish/HardwareSPI.cpp | |
| parent | 182b6386f93516e7ae5e1a33027236716d19a216 (diff) | |
| download | librambutan-ee22c3dc6d945262303d43e733eaac91bfcf0d9d.tar.gz librambutan-ee22c3dc6d945262303d43e733eaac91bfcf0d9d.zip | |
HardwareSPI: move warning into .cpp from header.
This causes the warning to be emitted at most once. As is, it can be
emitted each time HardwareSPI.h is included, which is annoying.
Signed-off-by: Marti Bolivar <mbolivar@leaflabs.com>
Diffstat (limited to 'wirish/HardwareSPI.cpp')
| -rw-r--r-- | wirish/HardwareSPI.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/wirish/HardwareSPI.cpp b/wirish/HardwareSPI.cpp index 120cd67..94985eb 100644 --- a/wirish/HardwareSPI.cpp +++ b/wirish/HardwareSPI.cpp @@ -38,6 +38,11 @@ #include <wirish/wirish.h> #include <wirish/boards.h> +#if CYCLES_PER_MICROSECOND != 72 +/* TODO [0.2.0?] something smarter than this */ +#warning "Unexpected clock speed; SPI frequency calculation will be incorrect" +#endif + struct spi_pins { uint8 nss; uint8 sck; |