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[stm32f0xx][i2c] Add ability to override TIMINGR.

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This commit is contained in:
Erik Gilling
2019-02-21 16:33:54 -08:00
committed by Travis Geiselbrecht
parent 63be190d8b
commit dcfd291dd2
1 changed files with 6 additions and 4 deletions
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10
platform/stm32f0xx/i2c.c
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@@ -122,12 +122,14 @@ static void stm32_i2c_early_init(stm32_i2c_dev_t *i2c) {
// Standard Mode (100 KHz): 0x20303e5d
// Fast Mode (400 KHz): 0x2010091a
// Fast Mode Plus: 0x20000209
#ifdef USE_USB_CLKSOURCE_CRSHSI48
// i2c->regs->TIMINGR = 0x20303e5d;
i2c->regs->TIMINGR = 0x2010091a;
#ifdef STM32_I2C_TIMINGR
i2c->regs->TIMINGR = STM32_I2C_TIMINGR;
#else
// i2c->regs->TIMINGR = 0x2000090e;
# ifdef USE_USB_CLKSOURCE_CRSHSI48
i2c->regs->TIMINGR = 0x2010091a;
# else
i2c->regs->TIMINGR = 0x0000020b;
# endif
#endif
// Configure NOSTRETCH in CR1.