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fix: add SPI and I2C to teensy 4.1 (#4943)

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* fix: add SPI and I2C to teensy 4.1
* fix: add SPI3 variables back
* fix: formatting

Signed-off-by: Emrick Sorensen <emrickishere@gmail.com>
This commit is contained in:
emricks
2025-07-04 00:46:48 -06:00
committed by GitHub
parent 0e43146d32
commit 01f3d3eb59
1 changed files with 93 additions and 5 deletions
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src/machine/board_teensy41.go
+93 -5
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@@ -279,7 +279,7 @@ var (
// #===========#==========#===============#=================-=========#
// | SPI1 | LPSPI4 | PLL2(132 MHz) | D12/D11/D13/D10 : 3/3/3/3 |
// | SPI2 | LPSPI3 | PLL2(132 MHz) | D1/D26/D27/D0 : 7/2/2/7 |
// | SPI3 | LPSPI1 | PLL2(132 MHz) | D34/D35/D37/D36 : 4/4/4/4 |
// | SPI3 | LPSPI1 | PLL2(132 MHz) | D42/D43/D45/D44 : 4/4/4/4 |
// #===========#==========#===============#=================-=========#
const (
SPI1_SDI_PIN = D12
@@ -292,10 +292,52 @@ const (
SPI2_SCK_PIN = D27
SPI2_CS_PIN = D0
SPI3_SDI_PIN = D34
SPI3_SDO_PIN = D35
SPI3_SCK_PIN = D37
SPI3_CS_PIN = D36
SPI3_SDI_PIN = D42
SPI3_SDO_PIN = D43
SPI3_SCK_PIN = D45
SPI3_CS_PIN = D44
)
var (
SPI0 = SPI1 // SPI0 is an alias of SPI1 (LPSPI4)
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 = &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,
},
}
)
// #====================================================#
@@ -317,3 +359,49 @@ const (
I2C3_SDA_PIN = D25
I2C3_SCL_PIN = D24
)
var (
I2C0 = I2C1 // I2C0 is an alias for I2C1 (LPI2C1)
I2C1 = &_I2C1
_I2C1 = I2C{
Bus: nxp.LPI2C1,
sda: I2C1_SDA_PIN, // D18 (PA17 [AD_B1_01])
scl: I2C1_SCL_PIN, // D19 (PA16 [AD_B1_00])
muxSDA: muxSelect{
mux: nxp.IOMUXC_LPI2C1_SDA_SELECT_INPUT_DAISY_GPIO_AD_B1_01_ALT3,
sel: &nxp.IOMUXC.LPI2C1_SDA_SELECT_INPUT,
},
muxSCL: muxSelect{
mux: nxp.IOMUXC_LPI2C1_SCL_SELECT_INPUT_DAISY_GPIO_AD_B1_00_ALT3,
sel: &nxp.IOMUXC.LPI2C1_SCL_SELECT_INPUT,
},
}
I2C2 = &_I2C2
_I2C2 = I2C{
Bus: nxp.LPI2C3,
sda: I2C2_SDA_PIN, // D17 (PA22 [AD_B1_06])
scl: I2C2_SCL_PIN, // D16 (PA23 [AD_B1_07])
muxSDA: muxSelect{
mux: nxp.IOMUXC_LPI2C3_SDA_SELECT_INPUT_DAISY_GPIO_AD_B1_06_ALT1,
sel: &nxp.IOMUXC.LPI2C3_SDA_SELECT_INPUT,
},
muxSCL: muxSelect{
mux: nxp.IOMUXC_LPI2C3_SCL_SELECT_INPUT_DAISY_GPIO_AD_B1_07_ALT1,
sel: &nxp.IOMUXC.LPI2C3_SCL_SELECT_INPUT,
},
}
I2C3 = &_I2C3
_I2C3 = I2C{
Bus: nxp.LPI2C4,
sda: I2C3_SDA_PIN, // D25 (PA13 [AD_B0_13])
scl: I2C3_SCL_PIN, // D24 (PA12 [AD_B0_12])
muxSDA: muxSelect{
mux: nxp.IOMUXC_LPI2C4_SDA_SELECT_INPUT_DAISY_GPIO_AD_B0_13_ALT0,
sel: &nxp.IOMUXC.LPI2C4_SDA_SELECT_INPUT,
},
muxSCL: muxSelect{
mux: nxp.IOMUXC_LPI2C4_SCL_SELECT_INPUT_DAISY_GPIO_AD_B0_12_ALT0,
sel: &nxp.IOMUXC.LPI2C4_SCL_SELECT_INPUT,
},
}
)