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| author | Cristian Maglie <c.maglie@bug.st> | 2014-07-02 15:37:30 +0200 |
|---|---|---|
| committer | Cristian Maglie <c.maglie@bug.st> | 2014-07-02 15:37:30 +0200 |
| commit | cb4ae51b425568c7d404798ec4010660c46a5638 (patch) | |
| tree | 52db08fc0ff40d0d9eb90f1d0c5d957cfbc9ec65 /libraries/Wire/Wire.cpp | |
| parent | e7c3527a99e44416e97fe22534875df1ca5df9c0 (diff) | |
| parent | 5216e551a5b90f8744a4a7e18e531da16d1261ad (diff) | |
Merge pull request #1912 from Lauszus/issues440
Enable user to change the I2C clock frequency by calling setClock in the Wire library
Diffstat (limited to 'libraries/Wire/Wire.cpp')
| -rw-r--r-- | libraries/Wire/Wire.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/libraries/Wire/Wire.cpp b/libraries/Wire/Wire.cpp index 4e7a17c..553add7 100644 --- a/libraries/Wire/Wire.cpp +++ b/libraries/Wire/Wire.cpp @@ -75,6 +75,11 @@ void TwoWire::begin(int address) begin((uint8_t)address); } +void TwoWire::setClock(uint32_t frequency) +{ + TWBR = ((F_CPU / frequency) - 16) / 2; +} + uint8_t TwoWire::requestFrom(uint8_t address, uint8_t quantity, uint8_t sendStop) { // clamp to buffer length |