mirror of
https://github.com/tinygo-org/drivers.git
synced 2026-08-05 15:33:42 +00:00
94729a4f7d
This commit adds support for two new chips using the RISC-V architecture: the FE310 (used in the HiFive 1) and the ESP32-C3 from Espressif.
1119 lines
9.3 KiB
Go
1119 lines
9.3 KiB
Go
//go:build tinygo.riscv32
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// +build tinygo.riscv32
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package ws2812
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// Warning: autogenerated file. Instead of modifying this file, change
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// gen-ws2812.go and run "go generate".
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import (
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"device"
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"runtime/interrupt"
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)
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func (d Device) writeByte160(c byte) {
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portSet, maskSet := d.Pin.PortMaskSet()
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portClear, maskClear := d.Pin.PortMaskClear()
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// Timings:
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// T0H: 56 - 58 cycles or 350.0ns - 362.5ns
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// T1H: 168 - 170 cycles or 1050.0ns - 1062.5ns
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// TLD: 184 - cycles or 1150.0ns -
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mask := interrupt.Disable()
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value := uint32(c) << 23
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device.AsmFull(`
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1: // send_bit
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sw {maskSet}, {portSet} // [1] T0H and T0L start here
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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slli {value}, {value}, 1 // [1] shift value left by 1
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bltz {value}, 2f // [1/3] skip_store
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sw {maskClear}, {portClear} // [1] T0H -> T0L transition
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2: // skip_store
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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sw {maskClear}, {portClear} // [1] T1H -> T1L transition
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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addi {i}, {i}, -1 // [1]
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bnez {i}, 1b // [1/3] send_bit
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`, map[string]interface{}{
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"value": value,
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"i": 8,
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"maskSet": maskSet,
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"portSet": portSet,
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"maskClear": maskClear,
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"portClear": portClear,
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})
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interrupt.Restore(mask)
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}
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func (d Device) writeByte320(c byte) {
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portSet, maskSet := d.Pin.PortMaskSet()
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portClear, maskClear := d.Pin.PortMaskClear()
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// Timings:
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// T0H: 112 - 114 cycles or 350.0ns - 356.2ns
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// T1H: 336 - 338 cycles or 1050.0ns - 1056.2ns
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// TLD: 368 - cycles or 1150.0ns -
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mask := interrupt.Disable()
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value := uint32(c) << 23
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device.AsmFull(`
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1: // send_bit
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sw {maskSet}, {portSet} // [1] T0H and T0L start here
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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slli {value}, {value}, 1 // [1] shift value left by 1
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bltz {value}, 2f // [1/3] skip_store
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sw {maskClear}, {portClear} // [1] T0H -> T0L transition
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2: // skip_store
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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sw {maskClear}, {portClear} // [1] T1H -> T1L transition
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
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nop
|
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nop
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nop
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nop
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
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nop
|
|
nop
|
|
nop
|
|
nop
|
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nop
|
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nop
|
|
nop
|
|
nop
|
|
nop
|
|
nop
|
|
addi {i}, {i}, -1 // [1]
|
|
bnez {i}, 1b // [1/3] send_bit
|
|
`, map[string]interface{}{
|
|
"value": value,
|
|
"i": 8,
|
|
"maskSet": maskSet,
|
|
"portSet": portSet,
|
|
"maskClear": maskClear,
|
|
"portClear": portClear,
|
|
})
|
|
interrupt.Restore(mask)
|
|
}
|