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//go:build challenger_rp2040
package machine
const (
LED = GPIO24
// Onboard crystal oscillator frequency, in MHz.
xoscFreq = 12 // MHz
)
// GPIO Pins
const (
D5 = GPIO2
D6 = GPIO3
D9 = GPIO4
D10 = GPIO5
D11 = GPIO6
D12 = GPIO7
D13 = GPIO8
)
// Analog pins
const (
A0 = ADC0
A1 = ADC1
A2 = ADC2
A3 = ADC3
)
// I2C Pins.
const (
I2C0_SDA_PIN = GPIO24
I2C0_SCL_PIN = GPIO25
I2C1_SDA_PIN = GPIO2
I2C1_SCL_PIN = GPIO3
SDA_PIN = I2C1_SDA_PIN
SCL_PIN = I2C1_SCL_PIN
)
// SPI default pins
const (
// Default Serial Clock Bus 0 for SPI communications
SPI0_SCK_PIN = GPIO22
// Default Serial Out Bus 0 for SPI communications
SPI0_SDO_PIN = GPIO23 // Tx
// Default Serial In Bus 0 for SPI communications
SPI0_SDI_PIN = GPIO20 // Rx
// Default Serial Clock Bus 1 for SPI communications
SPI1_SCK_PIN = GPIO10
// Default Serial Out Bus 1 for SPI communications
SPI1_SDO_PIN = GPIO11 // Tx
// Default Serial In Bus 1 for SPI communications
SPI1_SDI_PIN = GPIO12 // Rx
)
// LoRa default pins
const (
LORA_CS = GPIO9
LORA_SCK = GPIO10
LORA_SDO = GPIO11
LORA_SDI = GPIO12
LORA_RESET = GPIO13
LORA_DIO0 = GPIO14
LORA_DIO1 = GPIO15
LORA_DIO2 = GPIO18
)
// UART pins
const (
UART0_TX_PIN = GPIO16
UART0_RX_PIN = GPIO17
UART1_TX_PIN = GPIO4
UART1_RX_PIN = GPIO5
UART_TX_PIN = UART0_TX_PIN
UART_RX_PIN = UART0_RX_PIN
)
var DefaultUART = UART0
// USB identifiers
const (
usb_STRING_PRODUCT = "Challenger 2040 LoRa"
usb_STRING_MANUFACTURER = "iLabs"
)
var (
usb_VID uint16 = 0x2e8a
usb_PID uint16 = 0x1023
)
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