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machine/stm32f103xx: support for SPI interface

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Signed-off-by: Ron Evans <ron@hybridgroup.com>
This commit is contained in:
Ron Evans
2018-12-28 16:55:51 +01:00
committed by Ayke van Laethem
parent f71e1bcf03
commit dccfae485c
5 changed files with 176 additions and 5 deletions
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src/device/stm32/stm32f103xx-bitfields.go
+27
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@@ -58,4 +58,31 @@ const (
RCC_RTCCLKSource_LSE = 0x00000100
RCC_RTCCLKSource_LSI = 0x00000200
RCC_RTCCLKSource_HSE_Div128 = 0x00000300
// SPI settings
SPI_FirstBit_MSB = 0x0000
SPI_FirstBit_LSB = 0x0080
SPI_BaudRatePrescaler_2 = 0x0000
SPI_BaudRatePrescaler_4 = 0x0008
SPI_BaudRatePrescaler_8 = 0x0010
SPI_BaudRatePrescaler_16 = 0x0018
SPI_BaudRatePrescaler_32 = 0x0020
SPI_BaudRatePrescaler_64 = 0x0028
SPI_BaudRatePrescaler_128 = 0x0030
SPI_BaudRatePrescaler_256 = 0x0038
SPI_Direction_2Lines_FullDuplex = 0x0000
SPI_Direction_2Lines_RxOnly = 0x0400
SPI_Direction_1Line_Rx = 0x8000
SPI_Direction_1Line_Tx = 0xC000
SPI_Mode_Master = 0x0104
SPI_Mode_Slave = 0x0000
SPI_NSS_Soft = 0x0200
SPI_NSS_Hard = 0x0000
SPI_NSSInternalSoft_Set = 0x0100
SPI_NSSInternalSoft_Reset = 0xFEFF
)