tinygo-org/drivers
1
0
Fork 0
mirror of https://github.com/tinygo-org/drivers.git synced 2026-08-05 15:33:42 +00:00
Code Issues Packages Projects Releases 10 Wiki Activity
Files
espnet
drivers/ws2812/ws2812-asm_cortexm.go
T

1048 lines
11 KiB
Go
Raw Permalink Blame History

//go:build cortexm
// +build cortexm
package ws2812
// Warning: autogenerated file. Instead of modifying this file, change
// gen-ws2812-arm.go and run "go generate".
import (
"device"
"runtime/interrupt"
)
func (d Device) writeByte16(c byte) {
portSet, maskSet := d.Pin.PortMaskSet()
portClear, maskClear := d.Pin.PortMaskClear()
// Timings:
// T0H: 6 - 8 cycles or 375.0ns - 500.0ns
// T1H: 17 - 19 cycles or 1062.5ns - 1187.5ns
// TLD: 19 - cycles or 1187.5ns -
mask := interrupt.Disable()
value := uint32(c) << 24
device.AsmFull(`
1: @ send_bit
str {maskSet}, {portSet} @ [2] T0H and T0L start here
nop
nop
lsls {value}, #1 @ [1]
bcs.n 2f @ [1/3] skip_store
str {maskClear}, {portClear} @ [2] T0H -> T0L transition
2: @ skip_store
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
str {maskClear}, {portClear} @ [2] T1H -> T1L transition
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
subs {i}, #1 @ [1]
bne.n 1b @ [1/3] send_bit
`, map[string]interface{}{
"value": value,
"i": 8,
"maskSet": maskSet,
"portSet": portSet,
"maskClear": maskClear,
"portClear": portClear,
})
interrupt.Restore(mask)
}
func (d Device) writeByte48(c byte) {
portSet, maskSet := d.Pin.PortMaskSet()
portClear, maskClear := d.Pin.PortMaskClear()
// Timings:
// T0H: 17 - 19 cycles or 354.2ns - 395.8ns
// T1H: 51 - 53 cycles or 1062.5ns - 1104.2ns
// TLD: 56 - cycles or 1166.7ns -
mask := interrupt.Disable()
value := uint32(c) << 24
device.AsmFull(`
1: @ send_bit
str {maskSet}, {portSet} @ [2] T0H and T0L start here
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
lsls {value}, #1 @ [1]
bcs.n 2f @ [1/3] skip_store
str {maskClear}, {portClear} @ [2] T0H -> T0L transition
2: @ skip_store
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
str {maskClear}, {portClear} @ [2] T1H -> T1L transition
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
subs {i}, #1 @ [1]
bne.n 1b @ [1/3] send_bit
`, map[string]interface{}{
"value": value,
"i": 8,
"maskSet": maskSet,
"portSet": portSet,
"maskClear": maskClear,
"portClear": portClear,
})
interrupt.Restore(mask)
}
func (d Device) writeByte64(c byte) {
portSet, maskSet := d.Pin.PortMaskSet()
portClear, maskClear := d.Pin.PortMaskClear()
// Timings:
// T0H: 23 - 25 cycles or 359.4ns - 390.6ns
// T1H: 68 - 70 cycles or 1062.5ns - 1093.8ns
// TLD: 74 - cycles or 1156.2ns -
mask := interrupt.Disable()
value := uint32(c) << 24
device.AsmFull(`
1: @ send_bit
str {maskSet}, {portSet} @ [2] T0H and T0L start here
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
lsls {value}, #1 @ [1]
bcs.n 2f @ [1/3] skip_store
str {maskClear}, {portClear} @ [2] T0H -> T0L transition
2: @ skip_store
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
str {maskClear}, {portClear} @ [2] T1H -> T1L transition
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
subs {i}, #1 @ [1]
bne.n 1b @ [1/3] send_bit
`, map[string]interface{}{
"value": value,
"i": 8,
"maskSet": maskSet,
"portSet": portSet,
"maskClear": maskClear,
"portClear": portClear,
})
interrupt.Restore(mask)
}
func (d Device) writeByte120(c byte) {
portSet, maskSet := d.Pin.PortMaskSet()
portClear, maskClear := d.Pin.PortMaskClear()
// Timings:
// T0H: 42 - 44 cycles or 350.0ns - 366.7ns
// T1H: 126 - 128 cycles or 1050.0ns - 1066.7ns
// TLD: 138 - cycles or 1150.0ns -
mask := interrupt.Disable()
value := uint32(c) << 24
device.AsmFull(`
1: @ send_bit
str {maskSet}, {portSet} @ [2] T0H and T0L start here
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
lsls {value}, #1 @ [1]
bcs.n 2f @ [1/3] skip_store
str {maskClear}, {portClear} @ [2] T0H -> T0L transition
2: @ skip_store
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
str {maskClear}, {portClear} @ [2] T1H -> T1L transition
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
subs {i}, #1 @ [1]
bne.n 1b @ [1/3] send_bit
`, map[string]interface{}{
"value": value,
"i": 8,
"maskSet": maskSet,
"portSet": portSet,
"maskClear": maskClear,
"portClear": portClear,
})
interrupt.Restore(mask)
}
func (d Device) writeByte168(c byte) {
portSet, maskSet := d.Pin.PortMaskSet()
portClear, maskClear := d.Pin.PortMaskClear()
// Timings:
// T0H: 59 - 61 cycles or 351.2ns - 363.1ns
// T1H: 177 - 179 cycles or 1053.6ns - 1065.5ns
// TLD: 194 - cycles or 1154.8ns -
mask := interrupt.Disable()
value := uint32(c) << 24
device.AsmFull(`
1: @ send_bit
str {maskSet}, {portSet} @ [2] T0H and T0L start here
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
lsls {value}, #1 @ [1]
bcs.n 2f @ [1/3] skip_store
str {maskClear}, {portClear} @ [2] T0H -> T0L transition
2: @ skip_store
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
str {maskClear}, {portClear} @ [2] T1H -> T1L transition
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
nop
subs {i}, #1 @ [1]
bne.n 1b @ [1/3] send_bit
`, map[string]interface{}{
"value": value,
"i": 8,
"maskSet": maskSet,
"portSet": portSet,
"maskClear": maskClear,
"portClear": portClear,
})
interrupt.Restore(mask)
}
Reference in New Issue View Git Blame Copy Permalink