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-rw-r--r--Makefile2
-rw-r--r--README.md3
-rw-r--r--src/machine/board_pyportal.go151
-rw-r--r--src/machine/machine_atsamd51.go61
-rw-r--r--src/machine/machine_atsamd51g19.go45
-rw-r--r--src/machine/machine_atsamd51j19.go50
-rw-r--r--src/machine/machine_atsamd51j20.go58
-rw-r--r--src/runtime/runtime_atsamd51j20.go43
-rw-r--r--targets/atsamd51j20a.json13
-rw-r--r--targets/pyportal.json8
10 files changed, 387 insertions, 47 deletions
diff --git a/Makefile b/Makefile
index 50aa13e0e..ecc6d22fc 100644
--- a/Makefile
+++ b/Makefile
@@ -240,6 +240,8 @@ smoketest:
@$(MD5SUM) test.hex
$(TINYGO) build -size short -o test.hex -target=metro-m4-airlift examples/blinky1
@$(MD5SUM) test.hex
+ $(TINYGO) build -size short -o test.hex -target=pyportal examples/blinky1
+ @$(MD5SUM) test.hex
$(TINYGO) build -size short -o test.hex -target=nucleo-f103rb examples/blinky1
@$(MD5SUM) test.hex
$(TINYGO) build -size short -o test.hex -target=pinetime-devkit0 examples/blinky1
diff --git a/README.md b/README.md
index 74d90b6f9..ab68b2089 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ See the [getting started instructions](https://tinygo.org/getting-started/) for
You can compile TinyGo programs for microcontrollers, WebAssembly and Linux.
-The following 22 microcontroller boards are currently supported:
+The following 25 microcontroller boards are currently supported:
* [Adafruit Circuit Playground Express](https://www.adafruit.com/product/3333)
* [Adafruit Circuit Playground Bluefruit](https://www.adafruit.com/product/4333)
@@ -53,6 +53,7 @@ The following 22 microcontroller boards are currently supported:
* [Adafruit ItsyBitsy M4](https://www.adafruit.com/product/3800)
* [Adafruit Metro M4 Express Airlift](https://www.adafruit.com/product/4000)
* [Adafruit PyBadge](https://www.adafruit.com/product/4200)
+* [Adafruit PyPortal](https://www.adafruit.com/product/4116)
* [Adafruit Trinket M0](https://www.adafruit.com/product/3500)
* [Arduino Nano33 IoT](https://store.arduino.cc/nano-33-iot)
* [Arduino Uno](https://store.arduino.cc/arduino-uno-rev3)
diff --git a/src/machine/board_pyportal.go b/src/machine/board_pyportal.go
new file mode 100644
index 000000000..db119265c
--- /dev/null
+++ b/src/machine/board_pyportal.go
@@ -0,0 +1,151 @@
+// +build sam,atsamd51,pyportal
+
+package machine
+
+import (
+ "device/sam"
+)
+
+// used to reset into bootloader
+const RESET_MAGIC_VALUE = 0xf01669ef
+
+// GPIO Pins
+const (
+ D0 = PB13 // NINA_RX
+ D1 = PB12 // NINA_TX
+ D2 = PB22 // built-in neopixel
+ D3 = PA04 // PWM available
+ D4 = PA05 // PWM available
+ D5 = PB16 // NINA_ACK
+ D6 = PB15 // NINA_GPIO0
+ D7 = PB17 // NINA_RESETN
+ D8 = PB14 // NINA_CS
+ D9 = PB04 // TFT_RD
+ D10 = PB05 // TFT_DC
+ D11 = PB06 // TFT_CS
+ D12 = PB07 // TFT_TE
+ D13 = PB23 // built-in LED
+ D24 = PA00 // TFT_RESET
+ D25 = PB31 // TFT_BACKLIGHT
+ D26 = PB09 // TFT_WR
+ D27 = PB02 // SDA
+ D28 = PB03 // SCL
+ D29 = PA12 // MOSI
+ D30 = PA13 // SCK
+ D31 = PA14 // MISO
+ D32 = PB30 // SD_CS
+ D33 = PA01 // SD_CARD_DETECT
+ D34 = PA16 // LCD_DATA0
+ D35 = PA17 // LCD_DATA1
+ D36 = PA18 // LCD_DATA2
+ D37 = PA19 // LCD_DATA3
+ D38 = PA20 // LCD_DATA4
+ D39 = PA21 // LCD_DATA5
+ D40 = PA22 // LCD_DATA6
+ D41 = PA23 // LCD_DATA7
+ D42 = PB10 // QSPI
+ D43 = PB11 // QSPI
+ D44 = PA08 // QSPI
+ D45 = PA09 // QSPI
+ D46 = PA10 // QSPI
+ D47 = PA11 // QSPI
+ D50 = PA02 // speaker amplifier shutdown
+ D51 = PA15 // NINA_RTS
+
+ NINA_CS = D8
+ NINA_ACK = D5
+ NINA_GPIO0 = D6
+ NINA_RESETN = D7
+
+ NINA_TX = D1
+ NINA_RX = D0
+ NINA_RTS = D51
+
+ LCD_DATA0 = D34
+
+ TFT_RD = D9
+ TFT_DC = D10
+ TFT_CS = D11
+ TFT_TE = D12
+ TFT_RESET = D24
+ TFT_BACKLIGHT = D25
+ TFT_WR = D26
+
+ NEOPIXEL = D2
+ SPK_SD = D50
+)
+
+// Analog pins
+const (
+ A0 = PA02 // ADC0/AIN[0]
+ A1 = D3 // ADC0/AIN[4]
+ A2 = PA07 // ADC0/AIN[7]
+ A3 = D4 // ADC0/AIN[5]
+ A4 = PB00 // ADC0/AIN[12]
+ A5 = PB01 // ADC0/AIN[13]
+ A6 = PA06 // ADC0/AIN[6]
+ A7 = PB08 // ADC1/AIN[0]
+
+ AUDIO_OUT = A0
+ LIGHT = A2
+ TOUCH_YD = A4
+ TOUCH_XL = A5
+ TOUCH_YU = A6
+ TOUCH_XR = A7
+)
+
+const (
+ LED = D13
+)
+
+// UART0 aka USBCDC pins
+const (
+ USBCDC_DM_PIN = PA24
+ USBCDC_DP_PIN = PA25
+)
+
+// TODO: add configuration for UART on SERCOM4 that is connected to TX/RX of ESP32
+const (
+ UART_TX_PIN = NoPin
+ UART_RX_PIN = NoPin
+)
+
+// I2C pins
+const (
+ SDA_PIN = PB02 // SDA: SERCOM2/PAD[0]
+ SCL_PIN = PB03 // SCL: SERCOM2/PAD[1]
+)
+
+// I2C on the PyPortal.
+var (
+ I2C0 = I2C{Bus: sam.SERCOM5_I2CM,
+ SDA: SDA_PIN,
+ SCL: SCL_PIN,
+ PinMode: PinSERCOMAlt}
+)
+
+// SPI pins
+const (
+ SPI0_SCK_PIN = PA13 // SCK: SERCOM1/PAD[1]
+ SPI0_MOSI_PIN = PA12 // MOSI: SERCOM1/PAD[3]
+ SPI0_MISO_PIN = PA14 // MISO: SERCOM1/PAD[2]
+
+ NINA_MOSI = SPI0_MOSI_PIN
+ NINA_MISO = SPI0_MISO_PIN
+ NINA_SCK = SPI0_SCK_PIN
+)
+
+// SPI on the PyPortal.
+var (
+ SPI0 = SPI{Bus: sam.SERCOM2_SPIM,
+ SCK: SPI0_SCK_PIN,
+ MOSI: SPI0_MOSI_PIN,
+ MISO: SPI0_MISO_PIN,
+ DOpad: spiTXPad0SCK1,
+ DIpad: sercomRXPad2,
+ MISOPinMode: PinSERCOM,
+ MOSIPinMode: PinSERCOM,
+ SCKPinMode: PinSERCOM,
+ }
+ NINA_SPI = SPI0
+)
diff --git a/src/machine/machine_atsamd51.go b/src/machine/machine_atsamd51.go
index 02de1941a..e1ba148dc 100644
--- a/src/machine/machine_atsamd51.go
+++ b/src/machine/machine_atsamd51.go
@@ -449,16 +449,20 @@ func (a ADC) getADCChannel() uint8 {
return 6
case PA07:
return 7
+ case PB00:
+ return 12
+ case PB01:
+ return 13
case PB02:
- return 10
+ return 14
case PB03:
- return 11
+ return 15
case PA09:
return 17
case PA11:
return 19
default:
- return 0
+ panic("Invalid ADC pin")
}
}
@@ -1054,19 +1058,6 @@ func (spi SPI) Transfer(w byte) (byte, error) {
// PWM
const period = 0xFFFF
-// InitPWM initializes the PWM interface.
-func InitPWM() {
- // turn on timer clocks used for PWM
- sam.MCLK.APBBMASK.SetBits(sam.MCLK_APBBMASK_TCC0_ | sam.MCLK_APBBMASK_TCC1_)
- sam.MCLK.APBCMASK.SetBits(sam.MCLK_APBCMASK_TCC2_)
-
- //use clock generator 0
- sam.GCLK.PCHCTRL[25].Set((sam.GCLK_PCHCTRL_GEN_GCLK0 << sam.GCLK_PCHCTRL_GEN_Pos) |
- sam.GCLK_PCHCTRL_CHEN)
- sam.GCLK.PCHCTRL[29].Set((sam.GCLK_PCHCTRL_GEN_GCLK0 << sam.GCLK_PCHCTRL_GEN_Pos) |
- sam.GCLK_PCHCTRL_CHEN)
-}
-
// Configure configures a PWM pin for output.
func (pwm PWM) Configure() {
// Set pin as output
@@ -1181,34 +1172,6 @@ func (pwm PWM) setPinCfg(val uint8) {
pwm.Pin.setPinCfg(val)
}
-// getTimer returns the timer to be used for PWM on this pin
-func (pwm PWM) getTimer() *sam.TCC_Type {
- switch pwm.Pin {
- case PA16:
- return sam.TCC1
- case PA17:
- return sam.TCC1
- case PA14:
- return sam.TCC2
- case PA15:
- return sam.TCC2
- case PA18:
- return sam.TCC1
- case PA19:
- return sam.TCC1
- case PA20:
- return sam.TCC0
- case PA21:
- return sam.TCC0
- case PA23:
- return sam.TCC0
- case PA22:
- return sam.TCC0
- default:
- return nil // not supported on this pin
- }
-}
-
// setChannel sets the value for the correct channel for PWM on this pin
func (pwm PWM) setChannel(val uint32) {
switch pwm.Pin {
@@ -1232,6 +1195,8 @@ func (pwm PWM) setChannel(val uint32) {
pwm.getTimer().CC[3].Set(val)
case PA22:
pwm.getTimer().CC[2].Set(val)
+ case PB31:
+ pwm.getTimer().CC[1].Set(val)
default:
return // not supported on this pin
}
@@ -1260,6 +1225,8 @@ func (pwm PWM) setChannelBuffer(val uint32) {
pwm.getTimer().CCBUF[3].Set(val)
case PA22:
pwm.getTimer().CCBUF[2].Set(val)
+ case PB31:
+ pwm.getTimer().CCBUF[1].Set(val)
default:
return // not supported on this pin
}
@@ -1288,6 +1255,8 @@ func (pwm PWM) getMux() PinMode {
return PinPWMG
case PA22:
return PinPWMG
+ case PB31:
+ return PinPWMF
default:
return 0 // not supported on this pin
}
@@ -2049,14 +2018,14 @@ func setEPINTENSET(ep uint32, val uint8) {
sam.USB_DEVICE.DEVICE_ENDPOINT[ep].EPINTENSET.Set(val)
}
-// ResetProcessor should perform a system reset in preperation
+// ResetProcessor should perform a system reset in preparation
// to switch to the bootloader to flash new firmware.
func ResetProcessor() {
arm.DisableInterrupts()
// Perform magic reset into bootloader, as mentioned in
// https://github.com/arduino/ArduinoCore-samd/issues/197
- *(*uint32)(unsafe.Pointer(uintptr(0x20000000 + 0x00030000 - 4))) = RESET_MAGIC_VALUE
+ *(*uint32)(unsafe.Pointer(uintptr(0x20000000 + HSRAM_SIZE - 4))) = RESET_MAGIC_VALUE
arm.SystemReset()
}
diff --git a/src/machine/machine_atsamd51g19.go b/src/machine/machine_atsamd51g19.go
index ff4583e96..ced9fd1c1 100644
--- a/src/machine/machine_atsamd51g19.go
+++ b/src/machine/machine_atsamd51g19.go
@@ -6,3 +6,48 @@
// http://ww1.microchip.com/downloads/en/DeviceDoc/60001507C.pdf
//
package machine
+
+import "device/sam"
+
+const HSRAM_SIZE = 0x00030000
+
+// InitPWM initializes the PWM interface.
+func InitPWM() {
+ // turn on timer clocks used for PWM
+ sam.MCLK.APBBMASK.SetBits(sam.MCLK_APBBMASK_TCC0_ | sam.MCLK_APBBMASK_TCC1_)
+ sam.MCLK.APBCMASK.SetBits(sam.MCLK_APBCMASK_TCC2_)
+
+ //use clock generator 0
+ sam.GCLK.PCHCTRL[25].Set((sam.GCLK_PCHCTRL_GEN_GCLK0 << sam.GCLK_PCHCTRL_GEN_Pos) |
+ sam.GCLK_PCHCTRL_CHEN)
+ sam.GCLK.PCHCTRL[29].Set((sam.GCLK_PCHCTRL_GEN_GCLK0 << sam.GCLK_PCHCTRL_GEN_Pos) |
+ sam.GCLK_PCHCTRL_CHEN)
+}
+
+// getTimer returns the timer to be used for PWM on this pin
+func (pwm PWM) getTimer() *sam.TCC_Type {
+ switch pwm.Pin {
+ case PA16:
+ return sam.TCC1
+ case PA17:
+ return sam.TCC1
+ case PA14:
+ return sam.TCC2
+ case PA15:
+ return sam.TCC2
+ case PA18:
+ return sam.TCC1
+ case PA19:
+ return sam.TCC1
+ case PA20:
+ return sam.TCC0
+ case PA21:
+ return sam.TCC0
+ case PA23:
+ return sam.TCC0
+ case PA22:
+ return sam.TCC0
+ default:
+ return nil // not supported on this pin
+ }
+}
diff --git a/src/machine/machine_atsamd51j19.go b/src/machine/machine_atsamd51j19.go
index 18cff65c2..4ee929407 100644
--- a/src/machine/machine_atsamd51j19.go
+++ b/src/machine/machine_atsamd51j19.go
@@ -6,3 +6,53 @@
// http://ww1.microchip.com/downloads/en/DeviceDoc/60001507C.pdf
//
package machine
+
+import "device/sam"
+
+const HSRAM_SIZE = 0x00030000
+
+// InitPWM initializes the PWM interface.
+func InitPWM() {
+ // turn on timer clocks used for PWM
+ sam.MCLK.APBBMASK.SetBits(sam.MCLK_APBBMASK_TCC0_ | sam.MCLK_APBBMASK_TCC1_)
+ sam.MCLK.APBCMASK.SetBits(sam.MCLK_APBCMASK_TCC2_)
+ sam.MCLK.APBDMASK.SetBits(sam.MCLK_APBDMASK_TCC4_)
+
+ //use clock generator 0
+ sam.GCLK.PCHCTRL[25].Set((sam.GCLK_PCHCTRL_GEN_GCLK0 << sam.GCLK_PCHCTRL_GEN_Pos) |
+ sam.GCLK_PCHCTRL_CHEN)
+ sam.GCLK.PCHCTRL[29].Set((sam.GCLK_PCHCTRL_GEN_GCLK0 << sam.GCLK_PCHCTRL_GEN_Pos) |
+ sam.GCLK_PCHCTRL_CHEN)
+ sam.GCLK.PCHCTRL[38].Set((sam.GCLK_PCHCTRL_GEN_GCLK0 << sam.GCLK_PCHCTRL_GEN_Pos) |
+ sam.GCLK_PCHCTRL_CHEN)
+}
+
+// getTimer returns the timer to be used for PWM on this pin
+func (pwm PWM) getTimer() *sam.TCC_Type {
+ switch pwm.Pin {
+ case PA16:
+ return sam.TCC1
+ case PA17:
+ return sam.TCC1
+ case PA14:
+ return sam.TCC2
+ case PA15:
+ return sam.TCC2
+ case PA18:
+ return sam.TCC1
+ case PA19:
+ return sam.TCC1
+ case PA20:
+ return sam.TCC0
+ case PA21:
+ return sam.TCC0
+ case PA23:
+ return sam.TCC0
+ case PA22:
+ return sam.TCC0
+ case PB31:
+ return sam.TCC4
+ default:
+ return nil // not supported on this pin
+ }
+}
diff --git a/src/machine/machine_atsamd51j20.go b/src/machine/machine_atsamd51j20.go
new file mode 100644
index 000000000..484db6d54
--- /dev/null
+++ b/src/machine/machine_atsamd51j20.go
@@ -0,0 +1,58 @@
+// +build sam,atsamd51,atsamd51j20
+
+// Peripheral abstraction layer for the atsamd51.
+//
+// Datasheet:
+// http://ww1.microchip.com/downloads/en/DeviceDoc/60001507C.pdf
+//
+package machine
+
+import "device/sam"
+
+const HSRAM_SIZE = 0x00040000
+
+// InitPWM initializes the PWM interface.
+func InitPWM() {
+ // turn on timer clocks used for PWM
+ sam.MCLK.APBBMASK.SetBits(sam.MCLK_APBBMASK_TCC0_ | sam.MCLK_APBBMASK_TCC1_)
+ sam.MCLK.APBCMASK.SetBits(sam.MCLK_APBCMASK_TCC2_)
+ sam.MCLK.APBDMASK.SetBits(sam.MCLK_APBDMASK_TCC4_)
+
+ //use clock generator 0
+ sam.GCLK.PCHCTRL[25].Set((sam.GCLK_PCHCTRL_GEN_GCLK0 << sam.GCLK_PCHCTRL_GEN_Pos) |
+ sam.GCLK_PCHCTRL_CHEN)
+ sam.GCLK.PCHCTRL[29].Set((sam.GCLK_PCHCTRL_GEN_GCLK0 << sam.GCLK_PCHCTRL_GEN_Pos) |
+ sam.GCLK_PCHCTRL_CHEN)
+ sam.GCLK.PCHCTRL[38].Set((sam.GCLK_PCHCTRL_GEN_GCLK0 << sam.GCLK_PCHCTRL_GEN_Pos) |
+ sam.GCLK_PCHCTRL_CHEN)
+}
+
+// getTimer returns the timer to be used for PWM on this pin
+func (pwm PWM) getTimer() *sam.TCC_Type {
+ switch pwm.Pin {
+ case PA16:
+ return sam.TCC1
+ case PA17:
+ return sam.TCC1
+ case PA14:
+ return sam.TCC2
+ case PA15:
+ return sam.TCC2
+ case PA18:
+ return sam.TCC1
+ case PA19:
+ return sam.TCC1
+ case PA20:
+ return sam.TCC0
+ case PA21:
+ return sam.TCC0
+ case PA23:
+ return sam.TCC0
+ case PA22:
+ return sam.TCC0
+ case PB31:
+ return sam.TCC4
+ default:
+ return nil // not supported on this pin
+ }
+}
diff --git a/src/runtime/runtime_atsamd51j20.go b/src/runtime/runtime_atsamd51j20.go
new file mode 100644
index 000000000..84655ef59
--- /dev/null
+++ b/src/runtime/runtime_atsamd51j20.go
@@ -0,0 +1,43 @@
+// +build sam,atsamd51,atsamd51j20
+
+package runtime
+
+import (
+ "device/sam"
+)
+
+func initSERCOMClocks() {
+ // Turn on clock to SERCOM0 for UART0
+ sam.MCLK.APBAMASK.SetBits(sam.MCLK_APBAMASK_SERCOM0_)
+ sam.GCLK.PCHCTRL[7].Set((sam.GCLK_PCHCTRL_GEN_GCLK1 << sam.GCLK_PCHCTRL_GEN_Pos) |
+ sam.GCLK_PCHCTRL_CHEN)
+
+ // sets the "slow" clock shared by all SERCOM
+ sam.GCLK.PCHCTRL[3].Set((sam.GCLK_PCHCTRL_GEN_GCLK1 << sam.GCLK_PCHCTRL_GEN_Pos) |
+ sam.GCLK_PCHCTRL_CHEN)
+
+ // Turn on clock to SERCOM1
+ sam.MCLK.APBAMASK.SetBits(sam.MCLK_APBAMASK_SERCOM1_)
+ sam.GCLK.PCHCTRL[8].Set((sam.GCLK_PCHCTRL_GEN_GCLK1 << sam.GCLK_PCHCTRL_GEN_Pos) |
+ sam.GCLK_PCHCTRL_CHEN)
+
+ // Turn on clock to SERCOM2
+ sam.MCLK.APBBMASK.SetBits(sam.MCLK_APBBMASK_SERCOM2_)
+ sam.GCLK.PCHCTRL[23].Set((sam.GCLK_PCHCTRL_GEN_GCLK1 << sam.GCLK_PCHCTRL_GEN_Pos) |
+ sam.GCLK_PCHCTRL_CHEN)
+
+ // Turn on clock to SERCOM3
+ sam.MCLK.APBBMASK.SetBits(sam.MCLK_APBBMASK_SERCOM3_)
+ sam.GCLK.PCHCTRL[24].Set((sam.GCLK_PCHCTRL_GEN_GCLK1 << sam.GCLK_PCHCTRL_GEN_Pos) |
+ sam.GCLK_PCHCTRL_CHEN)
+
+ // Turn on clock to SERCOM4
+ sam.MCLK.APBDMASK.SetBits(sam.MCLK_APBDMASK_SERCOM4_)
+ sam.GCLK.PCHCTRL[34].Set((sam.GCLK_PCHCTRL_GEN_GCLK1 << sam.GCLK_PCHCTRL_GEN_Pos) |
+ sam.GCLK_PCHCTRL_CHEN)
+
+ // Turn on clock to SERCOM5
+ sam.MCLK.APBDMASK.SetBits(sam.MCLK_APBDMASK_SERCOM5_)
+ sam.GCLK.PCHCTRL[35].Set((sam.GCLK_PCHCTRL_GEN_GCLK1 << sam.GCLK_PCHCTRL_GEN_Pos) |
+ sam.GCLK_PCHCTRL_CHEN)
+}
diff --git a/targets/atsamd51j20a.json b/targets/atsamd51j20a.json
new file mode 100644
index 000000000..cab3a624a
--- /dev/null
+++ b/targets/atsamd51j20a.json
@@ -0,0 +1,13 @@
+{
+ "inherits": ["cortex-m"],
+ "llvm-target": "armv7em-none-eabi",
+ "build-tags": ["sam", "atsamd51", "atsamd51j20", "atsamd51j20a"],
+ "cflags": [
+ "--target=armv7em-none-eabi",
+ "-Qunused-arguments"
+ ],
+ "linkerscript": "targets/atsamd51.ld",
+ "extra-files": [
+ "src/device/sam/atsamd51j20a.s"
+ ]
+}
diff --git a/targets/pyportal.json b/targets/pyportal.json
new file mode 100644
index 000000000..e03efcb6d
--- /dev/null
+++ b/targets/pyportal.json
@@ -0,0 +1,8 @@
+{
+ "inherits": ["atsamd51j20a"],
+ "build-tags": ["pyportal"],
+ "flash-1200-bps-reset": "true",
+ "flash-method": "msd",
+ "msd-volume-name": "PORTALBOOT",
+ "msd-firmware-name": "firmware.uf2"
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-26 13:50:18 +0000