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https://github.com/tinygo-org/tinygo.git
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Patricio Whittingslow
37f35f8c91
machine/rp2350: add support * add linker scripts for rp2350 * add bootloader * begin melding rp2040 and rp2350 APIs * add UART * add rp2350 boot patching * Fix RP2350 memory layout (#4626) * Remove rp2040-style second stage bootloader. * Add 'minimum viable' IMAGE_DEF embedded block * Create a pico2 specific target * Implement rp2350 init, clock, and uart support * Merge rp2 reset code back together * Separate chip-specific clock definitions * Clear pad isolation bit on rp2350 * Init UART in rp2350 runtime * Correct usb/serial initialization order * Implement jump-to-bootloader * test: add pico2 to smoketests --------- Signed-off-by: deadprogram <ron@hybridgroup.com> Co-authored-by: Matthew Mets <matt.mets@cibomahto.com> Co-authored-by: Matt Mets <matt@blinkinlabs.com> Co-authored-by: deadprogram <ron@hybridgroup.com>
89 lines
1.6 KiB
Go
89 lines
1.6 KiB
Go
//go:build pico2
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package machine
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// GPIO pins
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const (
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GP0 Pin = GPIO0
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GP1 Pin = GPIO1
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GP2 Pin = GPIO2
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GP3 Pin = GPIO3
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GP4 Pin = GPIO4
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GP5 Pin = GPIO5
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GP6 Pin = GPIO6
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GP7 Pin = GPIO7
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GP8 Pin = GPIO8
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GP9 Pin = GPIO9
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GP10 Pin = GPIO10
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GP11 Pin = GPIO11
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GP12 Pin = GPIO12
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GP13 Pin = GPIO13
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GP14 Pin = GPIO14
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GP15 Pin = GPIO15
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GP16 Pin = GPIO16
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GP17 Pin = GPIO17
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GP18 Pin = GPIO18
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GP19 Pin = GPIO19
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GP20 Pin = GPIO20
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GP21 Pin = GPIO21
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GP22 Pin = GPIO22
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GP26 Pin = GPIO26
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GP27 Pin = GPIO27
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GP28 Pin = GPIO28
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// Onboard LED
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LED Pin = GPIO25
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// Onboard crystal oscillator frequency, in MHz.
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xoscFreq = 12 // MHz
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)
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// I2C Default pins on Raspberry Pico.
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const (
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I2C0_SDA_PIN = GP4
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I2C0_SCL_PIN = GP5
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I2C1_SDA_PIN = GP2
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I2C1_SCL_PIN = GP3
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)
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// SPI default pins
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const (
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// Default Serial Clock Bus 0 for SPI communications
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SPI0_SCK_PIN = GPIO18
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// Default Serial Out Bus 0 for SPI communications
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SPI0_SDO_PIN = GPIO19 // Tx
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// Default Serial In Bus 0 for SPI communications
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SPI0_SDI_PIN = GPIO16 // Rx
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// Default Serial Clock Bus 1 for SPI communications
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SPI1_SCK_PIN = GPIO10
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// Default Serial Out Bus 1 for SPI communications
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SPI1_SDO_PIN = GPIO11 // Tx
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// Default Serial In Bus 1 for SPI communications
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SPI1_SDI_PIN = GPIO12 // Rx
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)
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// UART pins
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const (
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UART0_TX_PIN = GPIO0
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UART0_RX_PIN = GPIO1
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UART1_TX_PIN = GPIO8
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UART1_RX_PIN = GPIO9
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UART_TX_PIN = UART0_TX_PIN
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UART_RX_PIN = UART0_RX_PIN
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)
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var DefaultUART = UART0
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// USB identifiers
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const (
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usb_STRING_PRODUCT = "Pico2"
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usb_STRING_MANUFACTURER = "Raspberry Pi"
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)
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var (
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usb_VID uint16 = 0x2E8A
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usb_PID uint16 = 0x000A
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)
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