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fix mode (using fast mode instead of standard)

This commit is contained in:
King Kévin 2017-02-07 11:12:36 +01:00
parent bfa791f6f2
commit 6fa9c0096e
1 changed files with 1 additions and 1 deletions
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2
lib/led_tm1637.c
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@ -66,7 +66,7 @@ void led_tm1637_setup(void)
i2c_reset(I2C(LED_TM1637_I2C)); // reset configuration
i2c_peripheral_disable(I2C(LED_TM1637_I2C)); // I2C needs to be disable to be configured
i2c_set_clock_frequency(I2C(LED_TM1637_I2C), rcc_apb1_frequency/1000000); // configure the peripheral clock to the APB1 freq (where it is connected to)
i2c_set_standard_mode(I2C(LED_TM1637_I2C));
i2c_set_fast_mode(I2C(LED_TM1637_I2C));
i2c_set_ccr(I2C(LED_TM1637_I2C), rcc_apb1_frequency/(400000*2)); // set Thigh/Tlow to generate frequency of 400 kHz
i2c_set_trise(I2C(LED_TM1637_I2C), (300/(1000/(rcc_apb1_frequency/1000000)))+1); // max rise time for 300 kHz is 300 ns
i2c_peripheral_enable(I2C(LED_TM1637_I2C)); // enable I2C after configuration completed