this always return "false" :
Code: Select all
function set_hw_chr_bright(bright)
print(" MAX7219 Connected : "..tostring(hw_connected(display_chr_id)))
if hw_connected(display_chr_id) then
hw_chr_display_set_brightness(display_chr_id, 0, bright)
end
end
display_chr_id = hw_chr_display_add("MAX7219 LEDs display OUTPUT Channel", "MAX7219",1)
print(" MAX7219 Connected : "..tostring(hw_connected(display_chr_id)))
hw_max_bright = hw_adc_input_add("LEDs Brightness", set_hw_chr_bright)
print(" ADC Connected : "..tostring(hw_connected(hw_max_bright)))
if hw_connected(hw_max_bright) then
print(" Connected : "..tostring(hw_connected(hw_max_bright)))
cur_bright = hw_adc_input_read(hw_max_bright)
set_hw_chr_bright(cur_bright)
end
Gilles