8000 stm32/i2c: Support more I2C baudrates for F746, and more F7 MCUs. · neverhover/micropython@b806889 · GitHub
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stm32/i2c: Support more I2C baudrates for F746, and more F7 MCUs.
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‎ports/stm32/i2c.c

Lines changed: 10 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -136,11 +136,17 @@ const pyb_i2c_obj_t pyb_i2c_obj[] = {
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// The value 0x40912732 was obtained from the DISCOVERY_I2Cx_TIMING constant
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// defined in the STM32F7Cube file Drivers/BSP/STM32F746G-Discovery/stm32f7456g_discovery.h
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#define MICROPY_HW_I2C_BAUDRATE_TIMING {{100000, 0x40912732}}
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#define MICROPY_HW_I2C_BAUDRATE_DEFAULT (100000)
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#define MICROPY_HW_I2C_BAUDRATE_MAX (100000)
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#define MICROPY_HW_I2C_BAUDRATE_TIMING { \
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{100000, 0x40912732}, \
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{400000, 0x10911823}, \
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{1000000, 0x00611116}, \
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}
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#define MICROPY_HW_I2C_BAUDRATE_DEFAULT (400000)
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#define MICROPY_HW_I2C_BAUDRATE_MAX (1000000)
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#elif defined(STM32F767xx) || defined(STM32F769xx)
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#elif defined(STM32F722xx) || defined(STM32F723xx) \
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|| defined(STM32F732xx) || defined(STM32F733xx) \
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|| defined(STM32F767xx) || defined(STM32F769xx)
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// These timing values are for f_I2CCLK=54MHz and are only approximate
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#define MICROPY_HW_I2C_BAUDRATE_TIMING { \

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