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machine: add support for the STM32U031 chip

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This commit is contained in:
Ayke van Laethem
2026-05-11 16:54:48 +02:00
committed by Ron Evans
parent a7b30639d8
commit 05029c4fb5
15 changed files with 402 additions and 10 deletions
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src/runtime/rand_hwrng.go
+1 -1
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@@ -1,4 +1,4 @@
//go:build baremetal && (nrf || (stm32 && !(stm32f103 || stm32l0x1 || stm32g0)) || (sam && atsamd51) || (sam && atsame5x) || esp32c3 || esp32s3 || tkey || (tinygo.riscv32 && virt) || rp2040 || rp2350)
//go:build baremetal && (nrf || (stm32 && !(stm32f103 || stm32l0x1 || stm32g0 || stm32u0)) || (sam && atsamd51) || (sam && atsame5x) || esp32c3 || esp32s3 || tkey || (tinygo.riscv32 && virt) || rp2040 || rp2350)
// If you update the above build constraint, you'll probably also need to update
// src/crypto/rand/rand_baremetal.go.
src/runtime/rand_norng.go
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//go:build baremetal && !(nrf || (stm32 && !(stm32f103 || stm32l0x1 || stm32g0)) || (sam && atsamd51) || (sam && atsame5x) || esp32c3 || esp32s3 || tkey || (tinygo.riscv32 && virt) || rp2040 || rp2350)
//go:build baremetal && !(nrf || (stm32 && !(stm32f103 || stm32l0x1 || stm32g0 || stm32u0)) || (sam && atsamd51) || (sam && atsame5x) || esp32c3 || esp32s3 || tkey || (tinygo.riscv32 && virt) || rp2040 || rp2350)
package runtime
src/runtime/runtime_stm32u0.go
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@@ -0,0 +1,14 @@
//go:build stm32u0
package runtime
import "machine"
func init() {
machine.InitSerial()
initTickTimer(&machine.TIM16)
}
func putchar(c byte) {
machine.Serial.WriteByte(c)
}