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Diffstat (limited to 'lib/support/drivers/grises.lua')
| -rw-r--r-- | lib/support/drivers/grises.lua | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/lib/support/drivers/grises.lua b/lib/support/drivers/grises.lua deleted file mode 100644 index a680266..0000000 --- a/lib/support/drivers/grises.lua +++ /dev/null @@ -1,19 +0,0 @@ -local device = _G - -local GET_VALUE=string.char(0x00) -local string_byte=string.byte - --- description: lets us know grey sensor's current value --- input: empty --- output: grey sensor's current value. -api={} -api.getValue = {} -api.getValue.parameters = {} -- no input parameters -api.getValue.returns = {[1]={rname="par1", rtype="int"}} -api.getValue.call = function () - device:send(GET_VALUE) -- operation code 1 = get grey level - local sen_anl_response = device:read(3) -- operation code and data - if not sen_anl_response or #sen_anl_response~=3 then return -1 end - local raw_val = math.floor(((string_byte(sen_anl_response, 2) or 0) + (string_byte(sen_anl_response, 3) or 0)* 256)/ 100) - return raw_val -end |