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| author | bryan newbold <bnewbold@robocracy.org> | 2014-05-07 17:10:59 -0400 |
|---|---|---|
| committer | bnewbold <bnewbold@robocracy.org> | 2015-03-01 21:42:26 -0800 |
| commit | 90a83152875fbdb8b7e4d4bf79164b4bcc88421e (patch) | |
| tree | 1bf112961e74a8fcf22ce2a9a9fb6b23da123729 /wirish | |
| parent | 5d07a44ad304f088ba2bb680c1842d0a0705b7c6 (diff) | |
| download | librambutan-90a83152875fbdb8b7e4d4bf79164b4bcc88421e.tar.gz librambutan-90a83152875fbdb8b7e4d4bf79164b4bcc88421e.zip | |
stm32f401c_discovery: disable on-board SPI1 MEMS Gyro by default
Signed-off-by: bryan newbold <bnewbold@robocracy.org>
Diffstat (limited to 'wirish')
| -rw-r--r-- | wirish/boards/stm32f401c_discovery/board.cpp | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/wirish/boards/stm32f401c_discovery/board.cpp b/wirish/boards/stm32f401c_discovery/board.cpp index fcbda7b..9eae1c2 100644 --- a/wirish/boards/stm32f401c_discovery/board.cpp +++ b/wirish/boards/stm32f401c_discovery/board.cpp @@ -45,11 +45,15 @@ // or setup() are called. // // If there's nothing special you need done, feel free to leave this -// function out, as we do here. -/* +// function out. void boardInit(void) { + // Disable on-board MEMS Gycroscope by pulling PE3 high (nCS line). + // If this isn't done, use of SPI peripheral 1 will fail mysteriously due + // to the Gyro writing to MISO. + // To re-enable and use the gyro, pull PE3 (D67) low in setup(). + gpio_set_mode(GPIOE, 3, GPIO_MODE_OUTPUT); + gpio_write_bit(GPIOE, 3, 1); } -*/ // Pin map: this lets the basic I/O functions (digitalWrite(), // analogRead(), pwmWrite()) translate from pin numbers to STM32 |