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aykevlaykevl
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machine: add support for the STM32U031 chip
1 parent ddbd65b commit 23a1944

15 files changed

Lines changed: 402 additions & 10 deletions

‎GNUmakefile‎

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@@ -887,6 +887,8 @@ ifneq ($(STM32), 0)
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@$(MD5SUM) test.hex
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$(TINYGO) build -size short -o test.hex -target=stm32l0x1 examples/serial
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@$(MD5SUM) test.hex
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$(TINYGO) build -size short -o test.hex -target=stm32u031 examples/empty
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@$(MD5SUM) test.hex
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$(TINYGO) build -size short -o test.hex -target=arduino-uno-q examples/blinky1
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@$(MD5SUM) test.hex
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$(TINYGO) build -size short -o test.hex -target=arduino-uno-q examples/serial

‎src/crypto/rand/rand_baremetal.go‎

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@@ -1,4 +1,4 @@
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//go:build nrf || (stm32 && !(stm32f103 || stm32l0x1)) || (sam && atsamd51) || (sam && atsame5x) || esp32c3 || esp32s3 || tkey || (tinygo.riscv32 && virt)
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//go:build nrf || (stm32 && !(stm32f103 || stm32l0x1 || stm32u0)) || (sam && atsamd51) || (sam && atsame5x) || esp32c3 || esp32s3 || tkey || (tinygo.riscv32 && virt)
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// If you update the above build constraint, you'll probably also need to update
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// src/runtime/rand_hwrng.go.

‎src/machine/machine_stm32_exti_syscfg.go‎

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@@ -1,4 +1,4 @@
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//go:build stm32 && !stm32f1 && !stm32l5 && !stm32wlx && !stm32g0 && !stm32u5
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//go:build stm32 && !stm32f1 && !stm32l5 && !stm32wlx && !stm32g0 && !stm32u5 && !stm32u0
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package machine
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‎src/machine/machine_stm32_gpio_reva.go‎

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@@ -1,4 +1,4 @@
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//go:build stm32 && !stm32l4 && !stm32l5 && !stm32wlx && !stm32g0 && !stm32u5
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//go:build stm32 && !stm32l4 && !stm32l5 && !stm32wlx && !stm32g0 && !stm32u5 && !stm32u0
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package machine
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‎src/machine/machine_stm32_i2c_revb.go‎

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@@ -1,4 +1,4 @@
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//go:build stm32l5 || stm32f7 || stm32l4 || stm32l0 || stm32wlx || stm32g0 || stm32u5
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//go:build stm32l5 || stm32f7 || stm32l4 || stm32l0 || stm32wlx || stm32g0 || stm32u0 || stm32u5
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package machine
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‎src/machine/machine_stm32_rng.go‎

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@@ -1,4 +1,4 @@
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//go:build stm32 && !(stm32f103 || stm32l0x1 || stm32g0)
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//go:build stm32 && !(stm32f103 || stm32l0x1 || stm32g0 || stm32u0)
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package machine
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‎src/machine/machine_stm32_spi.go‎

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@@ -1,4 +1,4 @@
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//go:build stm32 && !stm32f7x2 && !stm32l5x2 && !stm32g0 && !stm32u5
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//go:build stm32 && !stm32f7x2 && !stm32l5x2 && !stm32g0 && !stm32u5 && !stm32u0
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package machine
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‎src/machine/machine_stm32u031.go‎

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//go:build stm32u031
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package machine
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import (
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"device/stm32"
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"runtime/interrupt"
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"runtime/volatile"
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"unsafe"
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)
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var deviceIDAddr = []uintptr{0x1FFF3E50, 0x1FFF3E54, 0x1FFF3E58}
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// Pin constants for all stm32u0 package sizes
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const (
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PA0 = portA + 0
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PA1 = portA + 1
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PA2 = portA + 2
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PA3 = portA + 3
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PA4 = portA + 4
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PA5 = portA + 5
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PA6 = portA + 6
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PA7 = portA + 7
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PA8 = portA + 8
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PA9 = portA + 9
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PA10 = portA + 10
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PA11 = portA + 11
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PA12 = portA + 12
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PA13 = portA + 13
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PA14 = portA + 14
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PA15 = portA + 15
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PB0 = portB + 0
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PB1 = portB + 1
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PB2 = portB + 2
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PB3 = portB + 3
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PB4 = portB + 4
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PB5 = portB + 5
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PB6 = portB + 6
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PB7 = portB + 7
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PB8 = portB + 8
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PB9 = portB + 9
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PB10 = portB + 10
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PB11 = portB + 11
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PB12 = portB + 12
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PB13 = portB + 13
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PB14 = portB + 14
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PB15 = portB + 15
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PC0 = portC + 0
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PC1 = portC + 1
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PC2 = portC + 2
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PC3 = portC + 3
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PC4 = portC + 4
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PC5 = portC + 5
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PC6 = portC + 6
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PC7 = portC + 7
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PC8 = portC + 8
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PC9 = portC + 9
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PC10 = portC + 10
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PC11 = portC + 11
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PC12 = portC + 12
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PC13 = portC + 13
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PC14 = portC + 14
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PC15 = portC + 15
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PD0 = portD + 0
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PD1 = portD + 1
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PD2 = portD + 2
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PD3 = portD + 3
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PD4 = portD + 4
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PD5 = portD + 5
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PD6 = portD + 6
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PD7 = portD + 7
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PD8 = portD + 8
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PD9 = portD + 9
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PD10 = portD + 10
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PD11 = portD + 11
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PD12 = portD + 12
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PD13 = portD + 13
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PD14 = portD + 14
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PD15 = portD + 15
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PE0 = portE + 0
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PE1 = portE + 1
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PE2 = portE + 2
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PE3 = portE + 3
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PE4 = portE + 4
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PE5 = portE + 5
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PE6 = portE + 6
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PE7 = portE + 7
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PE8 = portE + 8
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PE9 = portE + 9
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PE10 = portE + 10
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PE11 = portE + 11
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PE12 = portE + 12
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PE13 = portE + 13
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PE14 = portE + 14
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PE15 = portE + 15
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PF0 = portF + 0
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PF1 = portF + 1
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PF2 = portF + 2
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PF3 = portF + 3
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PF4 = portF + 4
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PF5 = portF + 5
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PF6 = portF + 6
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PF7 = portF + 7
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PF8 = portF + 8
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PF9 = portF + 9
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PF10 = portF + 10
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PF11 = portF + 11
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PF12 = portF + 12
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PF13 = portF + 13
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PF14 = portF + 14
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PF15 = portF + 15
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)
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func (p Pin) getPort() *stm32.GPIO_Type {
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switch p / 16 {
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case 0:
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return stm32.GPIOA
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case 1:
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return stm32.GPIOB
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case 2:
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return stm32.GPIOC
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case 3:
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return stm32.GPIOD
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case 4:
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return stm32.GPIOE
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case 5:
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return stm32.GPIOF
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default:
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panic("machine: unknown port")
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}
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}
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// enableClock enables the clock for this desired GPIO port.
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func (p Pin) enableClock() {
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switch p / 16 {
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case 0:
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stm32.RCC.IOPENR.SetBits(stm32.RCC_IOPENR_GPIOAEN)
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case 1:
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stm32.RCC.IOPENR.SetBits(stm32.RCC_IOPENR_GPIOBEN)
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case 2:
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stm32.RCC.IOPENR.SetBits(stm32.RCC_IOPENR_GPIOCEN)
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case 3:
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stm32.RCC.IOPENR.SetBits(stm32.RCC_IOPENR_GPIODEN)
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case 4:
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stm32.RCC.IOPENR.SetBits(stm32.RCC_IOPENR_GPIOEEN)
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case 5:
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stm32.RCC.IOPENR.SetBits(stm32.RCC_IOPENR_GPIOFEN)
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default:
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panic("machine: unknown port")
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}
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}
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func enableAltFuncClock(bus unsafe.Pointer) {
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switch bus {
160+
case unsafe.Pointer(stm32.I2C1):
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stm32.RCC.APBENR1.SetBits(stm32.RCC_APBENR1_I2C1EN)
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case unsafe.Pointer(stm32.I2C2):
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stm32.RCC.APBENR1.SetBits(stm32.RCC_APBENR1_I2C2EN)
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case unsafe.Pointer(stm32.I2C3):
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stm32.RCC.APBENR1.SetBits(stm32.RCC_APBENR1_I2C3EN)
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case unsafe.Pointer(stm32.USART1):
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stm32.RCC.APBENR2.SetBits(stm32.RCC_APBENR2_USART1EN)
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case unsafe.Pointer(stm32.USART2):
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stm32.RCC.APBENR1.SetBits(stm32.RCC_APBENR1_USART2EN)
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case unsafe.Pointer(stm32.USART3):
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stm32.RCC.APBENR1.SetBits(stm32.RCC_APBENR1_USART3EN)
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case unsafe.Pointer(stm32.USART4):
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stm32.RCC.APBENR1.SetBits(stm32.RCC_APBENR1_USART4EN)
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}
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}
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var (
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// TODO: implement output channels
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TIM1 = TIM{
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EnableRegister: &stm32.RCC.APBENR2,
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EnableFlag: stm32.RCC_APBENR2_TIM1EN,
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Device: stm32.TIM1,
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Channels: [4]TimerChannel{
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TimerChannel{Pins: []PinFunction{}},
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TimerChannel{Pins: []PinFunction{}},
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TimerChannel{Pins: []PinFunction{}},
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TimerChannel{Pins: []PinFunction{}},
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},
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busFreq: 4e6,
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}
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TIM2 = TIM{
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EnableRegister: &stm32.RCC.APBENR1,
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EnableFlag: stm32.RCC_APBENR1_TIM2EN,
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Device: stm32.TIM2,
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Channels: [4]TimerChannel{
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TimerChannel{Pins: []PinFunction{}},
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TimerChannel{Pins: []PinFunction{}},
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TimerChannel{Pins: []PinFunction{}},
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TimerChannel{Pins: []PinFunction{}},
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},
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busFreq: 4e6,
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}
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TIM3 = TIM{
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EnableRegister: &stm32.RCC.APBENR1,
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EnableFlag: stm32.RCC_APBENR1_TIM3EN,
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Device: stm32.TIM3,
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Channels: [4]TimerChannel{
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TimerChannel{Pins: []PinFunction{}},
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TimerChannel{Pins: []PinFunction{}},
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TimerChannel{Pins: []PinFunction{}},
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TimerChannel{Pins: []PinFunction{}},
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},
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busFreq: 4e6,
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}
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TIM6 = TIM{
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EnableRegister: &stm32.RCC.APBENR1,
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EnableFlag: stm32.RCC_APBENR1_TIM6EN,
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Device: stm32.TIM6,
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Channels: [4]TimerChannel{
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TimerChannel{Pins: []PinFunction{}},
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TimerChannel{Pins: []PinFunction{}},
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TimerChannel{Pins: []PinFunction{}},
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TimerChannel{Pins: []PinFunction{}},
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},
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busFreq: 4e6,
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}
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TIM7 = TIM{
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EnableRegister: &stm32.RCC.APBENR1,
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EnableFlag: stm32.RCC_APBENR1_TIM7EN,
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Device: stm32.TIM7,
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Channels: [4]TimerChannel{
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TimerChannel{Pins: []PinFunction{}},
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TimerChannel{Pins: []PinFunction{}},
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TimerChannel{Pins: []PinFunction{}},
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TimerChannel{Pins: []PinFunction{}},
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},
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busFreq: 4e6,
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}
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TIM15 = TIM{
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EnableRegister: &stm32.RCC.APBENR2,
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EnableFlag: stm32.RCC_APBENR2_TIM15EN,
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Device: stm32.TIM15,
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Channels: [4]TimerChannel{
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TimerChannel{Pins: []PinFunction{}},
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TimerChannel{Pins: []PinFunction{}},
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TimerChannel{Pins: []PinFunction{}},
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TimerChannel{Pins: []PinFunction{}},
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},
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busFreq: 4e6,
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}
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TIM16 = TIM{
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EnableRegister: &stm32.RCC.APBENR2,
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EnableFlag: stm32.RCC_APBENR2_TIM16EN,
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Device: stm32.TIM16,
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Channels: [4]TimerChannel{
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TimerChannel{Pins: []PinFunction{}},
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TimerChannel{Pins: []PinFunction{}},
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TimerChannel{Pins: []PinFunction{}},
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TimerChannel{Pins: []PinFunction{}},
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},
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busFreq: 4e6,
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}
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)
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func (t *TIM) registerUPInterrupt() interrupt.Interrupt {
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switch t {
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case &TIM1:
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return interrupt.New(stm32.IRQ_TIM1_BRK_UP_TRG_COM, TIM1.handleUPInterrupt)
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case &TIM2:
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return interrupt.New(stm32.IRQ_TIM2, TIM2.handleUPInterrupt)
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case &TIM3:
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return interrupt.New(stm32.IRQ_TIM3, TIM3.handleUPInterrupt)
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case &TIM6:
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return interrupt.New(stm32.IRQ_TIM6_DAC_LPTIM1, TIM6.handleUPInterrupt)
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case &TIM7:
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return interrupt.New(stm32.IRQ_TIM7_LPTIM2, TIM7.handleUPInterrupt)
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case &TIM15:
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return interrupt.New(stm32.IRQ_TIM15_LPTIM3, TIM15.handleUPInterrupt)
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case &TIM16:
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return interrupt.New(stm32.IRQ_TIM16, TIM16.handleUPInterrupt)
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}
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return interrupt.Interrupt{}
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}
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func (t *TIM) registerOCInterrupt() interrupt.Interrupt {
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switch t {
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case &TIM1:
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return interrupt.New(stm32.IRQ_TIM1_CC, TIM1.handleOCInterrupt)
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case &TIM2:
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return interrupt.New(stm32.IRQ_TIM2, TIM2.handleOCInterrupt)
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case &TIM3:
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return interrupt.New(stm32.IRQ_TIM3, TIM3.handleOCInterrupt)
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case &TIM6:
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return interrupt.New(stm32.IRQ_TIM6_DAC_LPTIM1, TIM6.handleOCInterrupt)
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case &TIM7:
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return interrupt.New(stm32.IRQ_TIM7_LPTIM2, TIM7.handleOCInterrupt)
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case &TIM15:
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return interrupt.New(stm32.IRQ_TIM15_LPTIM3, TIM15.handleOCInterrupt)
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case &TIM16:
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return interrupt.New(stm32.IRQ_TIM16, TIM16.handleOCInterrupt)
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}
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return interrupt.Interrupt{}
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}
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func (t *TIM) enableMainOutput() {
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t.Device.BDTR.SetBits(stm32.TIM_BDTR_MOE)
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}
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type arrtype = uint16
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type psctype = uint16
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type arrRegType = volatile.Register16
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const (
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ARR_MAX = 0x10000
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PSC_MAX = 0x10000
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)
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const (
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UART_TX_PIN = NoPin
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UART_RX_PIN = NoPin
330+
)
331+
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func (uart *UART) configurePins(config UARTConfig) {
333+
panic("unimplemented: UART")
334+
}
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func (uart *UART) getBaudRateDivisor(baudRate uint32) uint32 {
337+
panic("unimplemented: UART")
338+
}
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func (uart *UART) setRegisters() uint32 {
341+
panic("unimplemented: UART")
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}
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const (
345+
I2C0_SCL_PIN = NoPin
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I2C0_SDA_PIN = NoPin
347+
)
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349+
func (i2c I2C) getFreqRange(br uint32) uint32 {
350+
panic("unimplemented: I2C")
351+
}

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