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stm32/i2c: Support more I2C baudrates for F746, and more F7 MCUs.

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This commit is contained in:
Damien George 2017-12-23 19:23:35 +11:00
parent 008e1788e8
commit b806889512
1 changed files with 10 additions and 4 deletions
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14
ports/stm32/i2c.c
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@ -136,11 +136,17 @@ const pyb_i2c_obj_t pyb_i2c_obj[] = {
// The value 0x40912732 was obtained from the DISCOVERY_I2Cx_TIMING constant
// defined in the STM32F7Cube file Drivers/BSP/STM32F746G-Discovery/stm32f7456g_discovery.h
#define MICROPY_HW_I2C_BAUDRATE_TIMING {{100000, 0x40912732}}
#define MICROPY_HW_I2C_BAUDRATE_DEFAULT (100000)
#define MICROPY_HW_I2C_BAUDRATE_MAX (100000)
#define MICROPY_HW_I2C_BAUDRATE_TIMING { \
{100000, 0x40912732}, \
{400000, 0x10911823}, \
{1000000, 0x00611116}, \
}
#define MICROPY_HW_I2C_BAUDRATE_DEFAULT (400000)
#define MICROPY_HW_I2C_BAUDRATE_MAX (1000000)
#elif defined(STM32F767xx) || defined(STM32F769xx)
#elif defined(STM32F722xx) || defined(STM32F723xx) \
|| defined(STM32F732xx) || defined(STM32F733xx) \
|| defined(STM32F767xx) || defined(STM32F769xx)
// These timing values are for f_I2CCLK=54MHz and are only approximate
#define MICROPY_HW_I2C_BAUDRATE_TIMING { \