diff options
Diffstat (limited to 'src/machine/machine_stm32wlx.go')
| -rw-r--r-- | src/machine/machine_stm32wlx.go | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/src/machine/machine_stm32wlx.go b/src/machine/machine_stm32wlx.go index d42ef2e38..b27c779fe 100644 --- a/src/machine/machine_stm32wlx.go +++ b/src/machine/machine_stm32wlx.go @@ -289,11 +289,22 @@ func (spi SPI) getBaudRate(config SPIConfig) uint32 { //---------- I2C related code // Gets the value for TIMINGR register -func (i2c *I2C) getFreqRange() uint32 { +func (i2c *I2C) getFreqRange(br uint32) uint32 { // This is a 'magic' value calculated by STM32CubeMX // for 48Mhz PCLK1. // TODO: Do calculations based on PCLK1 - return 0x20303E5D + switch br { + case 10 * KHz: + return 0x9010DEFF + case 100 * KHz: + return 0x20303E5D + case 400 * KHz: + return 0x2010091A + case 500 * KHz: + return 0x00201441 + default: + return 0 + } } //---------- UART related code |