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update:ec618的虚拟串口单次发送4KB数据

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alienwalker 2023-01-23 17:19:48 +08:00
parent b8620302b3
commit 3945d7cf3f
1 changed files with 4 additions and 2 deletions
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6
demo/usb_uart/EC618/main.lua
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@ -38,7 +38,8 @@ uart.on(uartid, "receive", function(id, len)
end
until s == ""
end)
local tx_buff = zbuff.create(4096)
tx_buff:set(0, 0x31)
-- 并非所有设备都支持sent事件
uart.on(uartid, "sent", function(id)
log.info("uart", "sent", id)
@ -47,7 +48,8 @@ end)
sys.taskInit(function()
while 1 do
uart.write(uart.VUART_0, "hello test usb-uart\r\n")
-- uart.write(uart.VUART_0, "hello test usb-uart\r\n")
uart.tx(uart.VUART_0, tx_buff,0, tx_buff:len())
sys.wait(1000)
end
end)