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Code Issues Packages Projects Releases 6 Wiki Activity

board/teensy40: Add SPI support (#1455)

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machine/teensy40: add SPI support
This commit is contained in:
ardnew
2022-04-16 08:43:52 -05:00
committed by GitHub
parent 8fb93fbac4
commit c5de68622e
3 changed files with 319 additions and 2 deletions
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src/machine/board_teensy40.go
+66
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@@ -237,6 +237,8 @@ var (
}
)
// #==================================================================#
// | SPI |
// #===========#==========#===============#===========================#
// | Interface | Hardware | Clock(Freq) | SDI/SDO/SCK/CS : Alt |
// #===========#==========#===============#=================-=========#
@@ -261,6 +263,70 @@ const (
SPI3_CS_PIN = D36
)
var (
SPI0 = SPI1 // SPI0 is an alias of SPI1 (LPSPI4)
SPI1 = &_SPI1
_SPI1 = SPI{
Bus: nxp.LPSPI4,
muxSDI: muxSelect{ // D12 (PB1 [B0_01])
mux: nxp.IOMUXC_LPSPI4_SDI_SELECT_INPUT_DAISY_GPIO_B0_01_ALT3,
sel: &nxp.IOMUXC.LPSPI4_SDI_SELECT_INPUT,
},
muxSDO: muxSelect{ // D11 (PB2 [B0_02])
mux: nxp.IOMUXC_LPSPI4_SDO_SELECT_INPUT_DAISY_GPIO_B0_02_ALT3,
sel: &nxp.IOMUXC.LPSPI4_SDO_SELECT_INPUT,
},
muxSCK: muxSelect{ // D13 (PB3 [B0_03])
mux: nxp.IOMUXC_LPSPI4_SCK_SELECT_INPUT_DAISY_GPIO_B0_03_ALT3,
sel: &nxp.IOMUXC.LPSPI4_SCK_SELECT_INPUT,
},
muxCS: muxSelect{ // D10 (PB0 [B0_00])
mux: nxp.IOMUXC_LPSPI4_PCS0_SELECT_INPUT_DAISY_GPIO_B0_00_ALT3,
sel: &nxp.IOMUXC.LPSPI4_PCS0_SELECT_INPUT,
},
}
SPI2 = &_SPI2
_SPI2 = SPI{
Bus: nxp.LPSPI3,
muxSDI: muxSelect{ // D1 (PA2 [AD_B0_02])
mux: nxp.IOMUXC_LPSPI3_SDI_SELECT_INPUT_DAISY_GPIO_AD_B0_02_ALT7,
sel: &nxp.IOMUXC.LPSPI3_SDI_SELECT_INPUT,
},
muxSDO: muxSelect{ // D26 (PA30 [AD_B1_14])
mux: nxp.IOMUXC_LPSPI3_SDO_SELECT_INPUT_DAISY_GPIO_AD_B1_14_ALT2,
sel: &nxp.IOMUXC.LPSPI3_SDO_SELECT_INPUT,
},
muxSCK: muxSelect{ // D27 (PA31 [AD_B1_15])
mux: nxp.IOMUXC_LPSPI3_SCK_SELECT_INPUT_DAISY_GPIO_AD_B1_15,
sel: &nxp.IOMUXC.LPSPI3_SCK_SELECT_INPUT,
},
muxCS: muxSelect{ // D0 (PA3 [AD_B0_03])
mux: nxp.IOMUXC_LPSPI3_PCS0_SELECT_INPUT_DAISY_GPIO_AD_B0_03_ALT7,
sel: &nxp.IOMUXC.LPSPI3_PCS0_SELECT_INPUT,
},
}
SPI3 = &_SPI3
_SPI3 = SPI{
Bus: nxp.LPSPI1,
muxSDI: muxSelect{ // D34 (PC15 [SD_B0_03])
mux: nxp.IOMUXC_LPSPI1_SDI_SELECT_INPUT_DAISY_GPIO_SD_B0_03_ALT4,
sel: &nxp.IOMUXC.LPSPI1_SDI_SELECT_INPUT,
},
muxSDO: muxSelect{ // D35 (PC14 [SD_B0_02])
mux: nxp.IOMUXC_LPSPI1_SDO_SELECT_INPUT_DAISY_GPIO_SD_B0_02_ALT4,
sel: &nxp.IOMUXC.LPSPI1_SDO_SELECT_INPUT,
},
muxSCK: muxSelect{ // D37 (PC12 [SD_B0_00])
mux: nxp.IOMUXC_LPSPI1_SCK_SELECT_INPUT_DAISY_GPIO_SD_B0_00_ALT4,
sel: &nxp.IOMUXC.LPSPI1_SCK_SELECT_INPUT,
},
muxCS: muxSelect{ // D36 (PC13 [SD_B0_01])
mux: nxp.IOMUXC_LPSPI1_PCS0_SELECT_INPUT_DAISY_GPIO_SD_B0_01_ALT4,
sel: &nxp.IOMUXC.LPSPI1_PCS0_SELECT_INPUT,
},
}
)
// #====================================================#
// | I2C |
// #===========#==========#=============#===============#