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There is an error in the Adafruit GFX I2C examples for mbed
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| #include "mbed.h" | |
| #include "Adafruit_SSD1306.h" | |
| // Instantiate OLED | |
| class I2CPreInit : public I2C | |
| { | |
| public: | |
| I2CPreInit(PinName sda, PinName scl) : I2C(sda, scl) | |
| { | |
| frequency(400000); | |
| //start(); This broke I2C | |
| }; | |
| }; | |
| I2CPreInit gI2C(PB_9, PB_8); | |
| Adafruit_SSD1306_I2c gOled1(gI2C, D13, 0x78,64,128); |
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