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maixbit: changes according to feedback

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This commit is contained in:
Yannis Huber
2020-07-04 19:31:05 +02:00
committed by Ron Evans
parent 5ff76aacab
commit 0b94e486c1
7 changed files with 31 additions and 40 deletions
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src/machine/machine_k210.go
+17 -24
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@@ -4,6 +4,7 @@ package machine
import (
"device/kendryte"
"device/riscv"
"errors"
"runtime/interrupt"
)
@@ -33,11 +34,9 @@ const (
// GPIOHS pin interrupt events.
const (
PinRising PinChange = iota + 1
PinRising PinChange = 1 << iota
PinFalling
PinToggle
PinHigh
PinLow = 8
PinToggle = PinRising | PinFalling
)
var (
@@ -224,12 +223,6 @@ func (p Pin) SetInterrupt(change PinChange, callback func(Pin)) error {
if change&PinFalling != 0 {
kendryte.GPIOHS.FALL_IE.SetBits(1 << gpioPin)
}
if change&PinHigh != 0 {
kendryte.GPIOHS.HIGH_IE.SetBits(1 << gpioPin)
}
if change&PinLow != 0 {
kendryte.GPIOHS.LOW_IE.SetBits(1 << gpioPin)
}
handleInterrupt := func(inter interrupt.Interrupt) {
@@ -237,28 +230,28 @@ func (p Pin) SetInterrupt(change PinChange, callback func(Pin)) error {
if kendryte.GPIOHS.RISE_IE.HasBits(1 << pin) {
kendryte.GPIOHS.RISE_IE.ClearBits(1 << pin)
kendryte.GPIOHS.RISE_IP.SetBits(1 << pin)
// Acknowledge interrupt atomically.
riscv.AsmFull(
"amoor.w {}, {mask}, {reg}",
map[string]interface{}{
"mask": uint32(1 << pin),
"reg": &kendryte.GPIOHS.RISE_IP.Reg,
})
kendryte.GPIOHS.RISE_IE.SetBits(1 << pin)
}
if kendryte.GPIOHS.FALL_IE.HasBits(1 << pin) {
kendryte.GPIOHS.FALL_IE.ClearBits(1 << pin)
kendryte.GPIOHS.FALL_IP.SetBits(1 << pin)
// Acknowledge interrupt atomically.
riscv.AsmFull(
"amoor.w {}, {mask}, {reg}",
map[string]interface{}{
"mask": uint32(1 << pin),
"reg": &kendryte.GPIOHS.FALL_IP.Reg,
})
kendryte.GPIOHS.FALL_IE.SetBits(1 << pin)
}
if kendryte.GPIOHS.HIGH_IE.HasBits(1 << pin) {
kendryte.GPIOHS.HIGH_IE.ClearBits(1 << pin)
kendryte.GPIOHS.HIGH_IP.SetBits(1 << pin)
kendryte.GPIOHS.HIGH_IE.SetBits(1 << pin)
}
if kendryte.GPIOHS.LOW_IE.HasBits(1 << pin) {
kendryte.GPIOHS.LOW_IE.ClearBits(1 << pin)
kendryte.GPIOHS.LOW_IP.SetBits(1 << pin)
kendryte.GPIOHS.LOW_IE.SetBits(1 << pin)
}
pinCallbacks[pin](Pin(pin))
}