diff options
| author | Damien George <damien.p.george@gmail.com> | 2017-12-23 19:23:35 +1100 |
|---|---|---|
| committer | Damien George <damien.p.george@gmail.com> | 2017-12-23 19:24:24 +1100 |
| commit | b806889512a8c7f817ff23c7bf572c971acc9763 (patch) | |
| tree | cbbc0272f2079f7063c4dbca715201785f14b947 /ports/stm32/i2c.c | |
| parent | 008e1788e8a08261bb7c15976d18c946dd3b2259 (diff) | |
stm32/i2c: Support more I2C baudrates for F746, and more F7 MCUs.
Diffstat (limited to 'ports/stm32/i2c.c')
| -rw-r--r-- | ports/stm32/i2c.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/ports/stm32/i2c.c b/ports/stm32/i2c.c index 5bbc889c1..5a6edc329 100644 --- a/ports/stm32/i2c.c +++ b/ports/stm32/i2c.c @@ -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 { \ |