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stm32wlx: I2C implementation for gnse,lora-e5,nucleo-wl55jc boards

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This commit is contained in:
Olivier Fauchon
2021-12-22 01:32:47 +01:00
committed by Ron Evans
parent c35ce761aa
commit 2b1a72d112
6 changed files with 88 additions and 5 deletions
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src/machine/machine_stm32wlx.go
+10
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@@ -283,6 +283,16 @@ func (spi SPI) getBaudRate(config SPIConfig) uint32 {
return uint32(div) << stm32.SPI_CR1_BR_Pos
}
//---------- I2C related code
// Gets the value for TIMINGR register
func (i2c *I2C) getFreqRange() uint32 {
// This is a 'magic' value calculated by STM32CubeMX
// for 48Mhz PCLK1.
// TODO: Do calculations based on PCLK1
return 0x20303E5D
}
//---------- UART related code
// Configure the UART.