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marcofeltmannmarcofeltmann
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New Boards: Pimoroni Blinky 2350 and Badger 2350 (#5434)
* Prepares target for Piromoni Blinky 2350 * Adds target for Piromoni Badger 2350 * Updates submodules * Removes redundant csv mention * Revert "Updates submodules" This reverts commit f05c2e1.
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‎src/machine/board_badger2350.go‎

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//go:build badger2350
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// Chip: RP2350A (QFN-60, 30 GPIO) -> target inherits from "rp2350".
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// Pin source: https://github.com/pimoroni/badger2350/blob/main/board/pins.csv
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//
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// NOTES (verify before first flash):
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// - POWER_EN (GPIO27) likely switches peripheral/display power.
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// Verify polarity against the schematic; pull HIGH early if needed,
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// otherwise the display will remain blank.
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// - CHARGE_STAT is connected to EXT_GPIO2 (I2C IO expander) according to pins.csv,
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// NOT the RP2350 -> intentionally not defined as a pin here.
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package machine
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// Crystal oscillator frequency.
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const xoscFreq = 12 // MHz
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// User buttons.
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const (
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BUTTON_A Pin = GPIO7
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BUTTON_B Pin = GPIO9
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BUTTON_C Pin = GPIO10
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BUTTON_UP Pin = GPIO11
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BUTTON_DOWN Pin = GPIO6
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BUTTON_HOME Pin = GPIO22
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BUTTON_BOOT Pin = BUTTON_HOME
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// System / RTC-related buttons.
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BUTTON_RESET Pin = GPIO14
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BUTTON_INT Pin = GPIO15
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)
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// Case LEDs (4-zone mono illumination), named CL0..CL3 in the docs.
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const (
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CL0 Pin = GPIO0
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CL1 Pin = GPIO1
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CL2 Pin = GPIO2
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CL3 Pin = GPIO3
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// Convention: first zone as default LED.
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LED = CL0
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)
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// E-ink display (Inky), on SPI0.
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const (
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INKY_BUSY Pin = GPIO16
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INKY_CS Pin = GPIO17
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INKY_SCLK Pin = GPIO18
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INKY_MOSI Pin = GPIO19
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INKY_DC Pin = GPIO20
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INKY_RES Pin = GPIO21
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)
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// SPI0 default pins == Inky bus. SDI is unused by the EPD,
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// but GPIO16 is a valid SPI0 RX line on the RP2350.
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const (
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SPI0_SCK_PIN = GPIO18 // INKY_SCLK
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SPI0_SDO_PIN = GPIO19 // INKY_MOSI
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SPI0_SDI_PIN = GPIO16 // (unused by the EPD)
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)
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// SPI1 is not routed to any header; NoPin satisfies the machine package.
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const (
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SPI1_SCK_PIN Pin = NoPin
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SPI1_SDO_PIN Pin = NoPin
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SPI1_SDI_PIN Pin = NoPin
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)
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// UART pins - default RP2350 UART0 mapping.
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// Note: GPIO0/GPIO1 are also CL0/CL1 (case LEDs)
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// Do not use UART0 and LEDs simultaneously.
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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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UART_TX_PIN = UART0_TX_PIN
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UART_RX_PIN = UART0_RX_PIN
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)
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// I2C0 (Qwiic/STEMMA QT + RTC PCF85063A).
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const (
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I2C0_SDA_PIN = GPIO4
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I2C0_SCL_PIN = GPIO5
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)
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// I2C1 is not routed to any header; NoPin satisfies the machine package.
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const (
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I2C1_SDA_PIN Pin = NoPin
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I2C1_SCL_PIN Pin = NoPin
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)
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// Power / Sensing.
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const (
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VBUS_DETECT Pin = GPIO12
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RTC_ALARM Pin = GPIO13
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VBAT_SENSE Pin = GPIO26
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POWER_EN Pin = GPIO27
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SENSE_1V1 Pin = GPIO28
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BATTERY = VBAT_SENSE
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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 = "Badger 2350"
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usb_STRING_MANUFACTURER = "Pimoroni"
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)
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var (
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usb_VID uint16 = 0x2E8A
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usb_PID uint16 = 0x0005
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)

‎src/machine/board_blinky2350.go‎

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//go:build blinky2350
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// Chip: RP2350A (QFN-60, 30 GPIO) -> target inherits from "rp2350".
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// Pin source: https://github.com/pimoroni/blinky2350/blob/main/board/pins.csv
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//
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// NOTES (verify before first flash):
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// - POWER_EN (GPIO27) likely switches peripheral power.
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// Verify polarity against the schematic; pull HIGH early if needed,
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// otherwise the display will remain blank.
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// - CHARGE_STAT is connected to EXT_GPIO2 (I2C IO expander) according to pins.csv,
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// NOT the RP2350 -> intentionally not defined as a pin here.
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// - The dot matrix is NOT driven via SPI (Latch/Blank/
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// Row-Clock are not SPI signals) -> use PIO or bit-banging.
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// SPI0 and SPI1 are therefore set to NoPin (required by the machine package).
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package machine
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// Crystal oscillator frequency.
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const xoscFreq = 12 // MHz
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// User buttons.
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const (
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BUTTON_A Pin = GPIO7
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BUTTON_B Pin = GPIO9
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BUTTON_C Pin = GPIO10
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BUTTON_UP Pin = GPIO11
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BUTTON_DOWN Pin = GPIO6
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BUTTON_HOME Pin = GPIO22
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BUTTON_BOOT Pin = BUTTON_HOME
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BUTTON_RESET Pin = GPIO14
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BUTTON_INT Pin = GPIO15
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)
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// Case LEDs (4-zone mono illumination), named CL0..CL3 in the docs.
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const (
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CL0 Pin = GPIO0
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CL1 Pin = GPIO1
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CL2 Pin = GPIO2
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CL3 Pin = GPIO3
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LED = CL0
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)
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// LED dot matrix: column shift register + row driver.
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// NOT SPI -> drive via PIO or bit-banging.
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const (
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DISPLAY_COL_SCLK Pin = GPIO16
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DISPLAY_COL_DATA Pin = GPIO17
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DISPLAY_COL_LATCH Pin = GPIO18
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DISPLAY_COL_BLANK Pin = GPIO19
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DISPLAY_ROW_DATA Pin = GPIO20
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DISPLAY_ROW_CLK Pin = GPIO21
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)
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// I2C0 (Qwiic/STEMMA QT + RTC).
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const (
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I2C0_SDA_PIN = GPIO4
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I2C0_SCL_PIN = GPIO5
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)
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// I2C1 is not routed to any header; NoPin satisfies the machine package.
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const (
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I2C1_SDA_PIN Pin = NoPin
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I2C1_SCL_PIN Pin = NoPin
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)
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// SPI pins - the LED matrix is driven via PIO/bit-banging, not SPI.
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// NoPin satisfies the machine package requirements.
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const (
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SPI0_SCK_PIN Pin = NoPin
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SPI0_SDO_PIN Pin = NoPin
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SPI0_SDI_PIN Pin = NoPin
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SPI1_SCK_PIN Pin = NoPin
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SPI1_SDO_PIN Pin = NoPin
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SPI1_SDI_PIN Pin = NoPin
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)
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// UART pins - default RP2350 UART0 mapping.
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// Note: GPIO0/GPIO1 are also CL0/CL1 (case LEDs)
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// Do not use UART0 and LEDs simultaneously.
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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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UART_TX_PIN = UART0_TX_PIN
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UART_RX_PIN = UART0_RX_PIN
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)
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// Power / sensing.
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const (
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VBUS_DETECT Pin = GPIO12
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RTC_ALARM Pin = GPIO13
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VBAT_SENSE Pin = GPIO26
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POWER_EN Pin = GPIO27
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SENSE_1V1 Pin = GPIO28
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BATTERY = VBAT_SENSE
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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 = "Blinky 2350"
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usb_STRING_MANUFACTURER = "Pimoroni"
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)
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var (
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usb_VID uint16 = 0x2E8A
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usb_PID uint16 = 0x0005
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)

‎targets/badger2350.json‎

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{
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"inherits": ["rp2350"],
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"build-tags": ["badger2350"],
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"serial-port": ["2e8a:0005"],
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"default-stack-size": 8192,
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"ldflags": [
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"--defsym=__flash_size=16M"
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]
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}

‎targets/blinky2350.json‎

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{
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"inherits": ["rp2350"],
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"build-tags": ["blinky2350"],
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"serial-port": ["2e8a:0005"],
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"default-stack-size": 8192,
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"ldflags": [
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"--defsym=__flash_size=16M"
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]
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}

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