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matrixportal-m4: Add support for board Adafruit Matrix Portal M4 (#1529) 

machine/matrixportal-m4: add Adafruit Matrix Portal M4 board definition
pull/1522/head
ardnew 4 years ago
committed by GitHub
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3 changed files with 239 additions and 0 deletions
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  1. 178
      src/machine/board_matrixportal-m4.go
  2. 50
      src/machine/board_matrixportal-m4_baremetal.go
  3. 11
      targets/matrixportal-m4.json

178
src/machine/board_matrixportal-m4.go
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// +build matrixportal_m4
package machine
// used to reset into bootloader
const RESET_MAGIC_VALUE = 0xF01669EF
// Digital pins
const (
// Pin // Function SERCOM PWM Interrupt
// ---- // ---------------- ------ --- ---------
D0 = PA01 // UART RX 1[1] PWM EXTI1
D1 = PA00 // UART TX 1[0] PWM EXTI0
D2 = PB22 // Button "Up" EXTI6
D3 = PB23 // Button "Down" EXTI7
D4 = PA23 // NeoPixel EXTI7
D5 = PB31 // I2C SDA 5[1] EXTI15
D6 = PB30 // I2C SCL 5[0] EXTI14
D7 = PB00 // HUB75 R1 EXTI0
D8 = PB01 // HUB75 G1 EXTI1
D9 = PB02 // HUB75 B1 EXTI2
D10 = PB03 // HUB75 R2 EXTI3
D11 = PB04 // HUB75 G2 EXTI4
D12 = PB05 // HUB75 B2 EXTI5
D13 = PA14 // LED PWM EXTI14
D14 = PB06 // HUB75 CLK EXTI6
D15 = PB14 // HUB75 LAT EXTI14
D16 = PB12 // HUB75 OE EXTI12
D17 = PB07 // HUB75 ADDR A EXTI7
D18 = PB08 // HUB75 ADDR B EXTI8
D19 = PB09 // HUB75 ADDR C EXTI9
D20 = PB15 // HUB75 ADDR D EXTI15
D21 = PB13 // HUB75 ADDR E EXTI13
D22 = PA02 // ADC (A0) EXTI2
D23 = PA05 // ADC (A1) EXTI5
D24 = PA04 // ADC (A2) PWM EXTI4
D25 = PA06 // ADC (A3) PWM EXTI6
D26 = PA07 // ADC (A4) EXTI7
D27 = PA12 // ESP32 UART RX 4[1] PWM EXTI12
D28 = PA13 // ESP32 UART TX 4[0] PWM EXTI13
D29 = PA20 // ESP32 GPIO0 PWM EXTI4
D30 = PA21 // ESP32 Reset PWM EXTI5
D31 = PA22 // ESP32 Busy PWM EXTI6
D32 = PA18 // ESP32 RTS PWM EXTI2
D33 = PB17 // ESP32 SPI CS PWM EXTI1
D34 = PA16 // ESP32 SPI SCK 3[1] PWM EXTI0
D35 = PA17 // ESP32 SPI SDI 3[0] PWM EXTI1
D36 = PA19 // ESP32 SPI SDO 1[3] PWM EXTI3
D37 = NoPin // USB Host enable
D38 = PA24 // USB DM
D39 = PA27 // USB DP
D40 = PA03 // DAC/VREFP
D41 = PB10 // Flash QSPI SCK
D42 = PB11 // Flash QSPI CS
D43 = PA08 // Flash QSPI I00
D44 = PA09 // Flash QSPI IO1
D45 = PA10 // Flash QSPI IO2
D46 = PA11 // Flash QSPI IO3
D47 = PA27 // LIS3DH IRQ EXTI11
D48 = PA05 // SPI SCK 0[1] EXTI5
D49 = PA04 // SPI SDO 0[0] PWM EXTI4
D50 = PA07 // SPI SDI 0[3] EXTI7
)
// Analog pins
const (
A0 = PA02 // ADC Channel 0
A1 = PA05 // ADC Channel 5
A2 = PA04 // ADC Channel 4
A3 = PA06 // ADC Channel 6
A4 = PA07 // ADC Channel 7
)
// LED pins
const (
LED = D13
NEOPIXEL = D4
)
// Button pins
const (
BUTTON_UP = D2
BUTTON_DOWN = D3
)
// UART pins
const (
UART1_RX_PIN = D0 // SERCOM1[1]
UART1_TX_PIN = D1 // SERCOM1[0]
UART2_RX_PIN = D27 // SERCOM4[1] (ESP32 RX)
UART2_TX_PIN = D28 // SERCOM4[0] (ESP32 TX)
UART_RX_PIN = UART1_RX_PIN
UART_TX_PIN = UART1_TX_PIN
)
// SPI pins
const (
SPI0_SCK_PIN = D34 // SERCOM3[1] (ESP32 SCK)
SPI0_SDO_PIN = D36 // SERCOM1[3] (ESP32 SDO)
SPI0_SDI_PIN = D35 // SERCOM3[0] (ESP32 SDI)
SPI1_SCK_PIN = D48 // SERCOM0[1]
SPI1_SDO_PIN = D49 // SERCOM0[0]
SPI1_SDI_PIN = D50 // SERCOM0[3]
SPI_SCK_PIN = SPI0_SCK_PIN
SPI_SDO_PIN = SPI0_SDO_PIN
SPI_SDI_PIN = SPI0_SDI_PIN
)
// I2C pins
const (
I2C0_SDA_PIN = D5 // SERCOM5[1]
I2C0_SCL_PIN = D6 // SERCOM5[0]
I2C_SDA_PIN = I2C0_SDA_PIN
I2C_SCL_PIN = I2C0_SCL_PIN
SDA_PIN = I2C_SDA_PIN // awkward naming required by machine_atsamd51.go
SCL_PIN = I2C_SCL_PIN //
)
// ESP32 pins
const (
NINA_ACK = D31
NINA_GPIO0 = D29
NINA_RESETN = D30
NINA_RX = UART2_RX_PIN
NINA_TX = UART2_TX_PIN
NINA_RTS = D32
NINA_CS = D33
NINA_SDO = SPI0_SDO_PIN
NINA_SDI = SPI0_SDI_PIN
NINA_SCK = SPI0_SCK_PIN
)
// HUB75 pins
const (
HUB75_R1 = D7
HUB75_G1 = D8
HUB75_B1 = D9
HUB75_R2 = D10
HUB75_G2 = D11
HUB75_B2 = D12
HUB75_CLK = D14
HUB75_LAT = D15
HUB75_OE = D16
HUB75_ADDR_A = D17
HUB75_ADDR_B = D18
HUB75_ADDR_C = D19
HUB75_ADDR_D = D20
HUB75_ADDR_E = D21
)
// USB CDC pins (UART0)
const (
USBCDC_DM_PIN = D38
USBCDC_DP_PIN = D39
UART0_RX_PIN = USBCDC_DM_PIN
UART0_TX_PIN = USBCDC_DP_PIN
)
// USB CDC identifiers
const (
usb_STRING_PRODUCT = "Matrix Portal M4"
usb_STRING_MANUFACTURER = "Adafruit Industries"
)
var (
usb_VID uint16 = 0x239A
usb_PID uint16 = 0x80C9
)

50
src/machine/board_matrixportal-m4_baremetal.go
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// +build sam,atsamd51,matrixportal_m4
package machine
import (
"device/sam"
"runtime/interrupt"
)
// UART on the MatrixPortal M4
var (
UART1 = UART{
Buffer: NewRingBuffer(),
Bus: sam.SERCOM1_USART_INT,
SERCOM: 1,
}
UART2 = UART{
Buffer: NewRingBuffer(),
Bus: sam.SERCOM4_USART_INT,
SERCOM: 4,
}
)
func init() {
UART1.Interrupt = interrupt.New(sam.IRQ_SERCOM1_1, UART1.handleInterrupt)
UART2.Interrupt = interrupt.New(sam.IRQ_SERCOM4_1, UART2.handleInterrupt)
}
// I2C on the MatrixPortal M4
var (
I2C0 = I2C{
Bus: sam.SERCOM5_I2CM,
SERCOM: 5,
}
)
// SPI on the MatrixPortal M4
var (
SPI0 = SPI{
Bus: sam.SERCOM3_SPIM,
SERCOM: 3, // BUG: SDO on SERCOM1!
}
NINA_SPI = SPI0
SPI1 = SPI{
Bus: sam.SERCOM0_SPIM,
SERCOM: 0,
}
)

11
targets/matrixportal-m4.json
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{
"inherits": ["atsamd51j19a"],
"build-tags": ["atsamd51j19a", "matrixportal_m4"],
"flash-1200-bps-reset": "true",
"flash-method": "msd",
"msd-volume-name": "MATRIXBOOT",
"msd-firmware-name": "firmware.uf2",
"openocd-transport": "swd",
"openocd-interface": "jlink",
"openocd-target": "atsame5x"
}
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