-- -- Fiio X1 -- FIIOX1 = {} -- 0 is PF3, 1 is PE1 function FIIOX1.get_backlight_type() return FIIOX1.bl_type end -- 0 is V2, 1 is V1 function FIIOX1.get_hw_type() return FIIOX1.hw_type end function FIIOX1.hw_detect() -- PA12 is used to detect hardware version JZ.gpio.pin(0, 12).std_gpio_out(1) FIIOX1.hw_type = JZ.gpio.pin(0, 12).read() -- PA13 is used to detect backlight type JZ.gpio.pin(0, 13).std_gpio_out(1) FIIOX1.bl_type = JZ.gpio.pin(0, 13).read() if FIIOX1.hw_type == 1 then print("Fiio X1: hardware version: V01") else print("Fiio X1: hardware version: V02") end print(string.format("Fiio X1: backlight type: %s", FIIOX1.bl_type)) end function FIIOX1.get_backlight_pin() if FIIOX1.get_backlight_type() == 0 then -- PF3 return JZ.gpio.pin(5, 3) else -- PE1 return JZ.gpio.pin(4, 1) end end function FIIOX1.init_backligt() -- setup as output, high level to make no change FIIOX1.get_backlight_pin().std_gpio_out(1) end function FIIOX1.enable_backlight(en) local pin = FIIOX1.get_backlight_pin() pin.clr() hwstub.mdelay(1) if en then pin.set() end end function FIIOX1.test_backlight() print("backlight test") print("enable backlight") FIIOX1.enable_backlight(true) print("sleep for 1 sec") hwstub.mdelay(1000) print("disable backlight") FIIOX1.enable_backlight(false) print("sleep for 1 sec") hwstub.mdelay(1000) print("enable backlight") FIIOX1.enable_backlight(true) end function FIIOX1.setup_fiio_lcd_pins() -- PE4: reset pin JZ.gpio.pin(4, 4).std_gpio_out(1) -- PC9: unknown JZ.gpio.pin(2, 9).std_gpio_out(0) -- PC2: unknown JZ.gpio.pin(2, 2).std_gpio_out(1) -- PF0: unknown JZ.gpio.pin(5, 0).std_gpio_out(1) end function FIIOX1.lcd_reset() local pin = JZ.gpio.pin(4, 4) pin.set() hwstub.mdelay(50) pin.clr() hwstub.mdelay(50) pin.set() hwstub.mdelay(150) end function FIIOX1.init_lcd() -- setup Fiio X1 specific pins FIIOX1.setup_fiio_lcd_pins() -- reset lcd JZ.lcd_reset() end -- call with nil to get automatic name function FIIOX1.dump_ipl(file) FIIOX1.hw_detect() if file == nil then file = "fiiox1_ipl_hw_v" .. FIIOX1.hw_type .. ".bin" end print("Dumping IPL to " .. file .." ...") JZ.nand.rom.init() JZ.nand.rom.read_flags() local ipl = JZ.nand.rom.read_bootloader() JZ.nand.rom.write_to_file(file, ipl) end -- call with nil to get automatic name function FIIOX1.dump_spl(file) FIIOX1.hw_detect() if file == nil then file = "fiiox1_spl_hw_v" .. FIIOX1.hw_type .. ".bin" end print("Dumping SPL to " .. file .." ...") -- hardcoded parameters are specific to the Fiio X1 local nand_params = { bus_width = 16, row_cycle = 2, col_cycle = 2, page_size = 2048, page_per_block = 64, oob_size = 64, badblock_pos = 0, badblock_page = 0, ecc_pos = 4, ecc_size = 13, ecc_level = 8, addr_setup_time = 4, addr_hold_time = 4, write_strobe_time = 4, read_strobe_time = 4, recovery_time = 13, } local spl = JZ.nand.rom.read_spl(nand_params, 0x400, 0x200) JZ.nand.rom.write_to_file(file, spl) end function FIIOX1.init() FIIOX1.init_backligt() FIIOX1.test_backlight() FIIOX1.init_lcd() end