43 lines
989 B
Lua
43 lines
989 B
Lua
-- ****************************************************************************
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-- Play file with pcm module.
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--
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-- Upload jump_8k.u8 to spiffs before running this script.
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--
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-- ****************************************************************************
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local function cb_drained()
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print("drained "..node.heap())
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file.seek("set", 0)
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-- uncomment the following line for continuous playback
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--d:play(pcm.RATE_8K)
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end
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local function cb_stopped()
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print("playback stopped")
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file.seek("set", 0)
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end
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local function cb_paused()
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print("playback paused")
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end
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do
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file.open("jump_8k.u8", "r")
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local drv = pcm.new(pcm.SD, 1)
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-- fetch data in chunks of FILE_READ_CHUNK (1024) from file
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drv:on("data", function(driver) return file.read() end) -- luacheck: no unused
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-- get called back when all samples were read from the file
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drv:on("drained", cb_drained)
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drv:on("stopped", cb_stopped)
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drv:on("paused", cb_paused)
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-- start playback
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drv:play(pcm.RATE_8K)
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end
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