| paul@0 | 1 | -- vim: ft=lua ts=2 et sw=2 |
| paul@0 | 2 | |
| paul@0 | 3 | -- Start Mag to multiplex the framebuffer showing only a single program. |
| paul@0 | 4 | -- This example shows the keypad status as read from a memory region exported |
| paul@0 | 5 | -- by a separate server that reads the matrix itself. |
| paul@0 | 6 | -- The target platform is the Ben NanoNote. |
| paul@0 | 7 | |
| paul@0 | 8 | local L4 = require("L4"); |
| paul@0 | 9 | |
| paul@0 | 10 | local l = L4.default_loader; |
| paul@0 | 11 | |
| paul@0 | 12 | -- Define general access to peripherals. |
| paul@0 | 13 | |
| paul@0 | 14 | local io_buses = { |
| paul@0 | 15 | cpm = l:new_channel(); |
| paul@0 | 16 | gpio = l:new_channel(); |
| paul@0 | 17 | lcd = l:new_channel(); |
| paul@0 | 18 | }; |
| paul@0 | 19 | |
| paul@0 | 20 | l:start({ |
| paul@0 | 21 | caps = { |
| paul@0 | 22 | cpm = io_buses.cpm:svr(), |
| paul@0 | 23 | gpio = io_buses.gpio:svr(), |
| paul@0 | 24 | lcd = io_buses.lcd:svr(), |
| paul@0 | 25 | |
| paul@0 | 26 | icu = L4.Env.icu, |
| paul@0 | 27 | sigma0 = L4.cast(L4.Proto.Factory, L4.Env.sigma0):create(L4.Proto.Sigma0), |
| paul@0 | 28 | }, |
| paul@0 | 29 | }, |
| paul@7 | 30 | "rom/io rom/hw_devices.io rom/mips-qi_lb60-common.io"); |
| paul@0 | 31 | |
| paul@0 | 32 | -- Expose a SPI peripheral as a device. |
| paul@0 | 33 | |
| paul@0 | 34 | local spi = l:new_channel(); |
| paul@0 | 35 | |
| paul@0 | 36 | l:startv({ |
| paul@0 | 37 | caps = { |
| paul@0 | 38 | vbus = io_buses.gpio, |
| paul@0 | 39 | spi = spi:svr(), |
| paul@0 | 40 | }, |
| paul@0 | 41 | }, |
| paul@0 | 42 | "rom/dev_spi_jz4740", "C23", "C22", "C21"); -- specifying clock, data, enable pin details |
| paul@0 | 43 | |
| paul@0 | 44 | -- Expose a SPI backlight device for the Ben. |
| paul@0 | 45 | |
| paul@0 | 46 | local backlight = l:new_channel(); -- exposes backlight device |
| paul@0 | 47 | |
| paul@0 | 48 | l:start({ |
| paul@0 | 49 | caps = { |
| paul@0 | 50 | spi = spi, |
| paul@0 | 51 | backlight = backlight:svr(), |
| paul@0 | 52 | }, |
| paul@0 | 53 | }, |
| paul@19 | 54 | "rom/dev_backlight_spi_ili8960"); |
| paul@0 | 55 | |
| paul@0 | 56 | -- Expose a display device for the Ben. |
| paul@0 | 57 | |
| paul@0 | 58 | local display = l:new_channel(); -- exposes display device |
| paul@0 | 59 | |
| paul@0 | 60 | l:start({ |
| paul@0 | 61 | caps = { |
| paul@0 | 62 | backlight = backlight, |
| paul@0 | 63 | display = display:svr(), |
| paul@0 | 64 | vbus = io_buses.gpio, |
| paul@0 | 65 | }, |
| paul@0 | 66 | }, |
| paul@0 | 67 | "rom/dev_display_qi_lb60"); |
| paul@0 | 68 | |
| paul@0 | 69 | -- Expose the CPM peripheral. |
| paul@0 | 70 | |
| paul@0 | 71 | local cpm = l:new_channel(); |
| paul@0 | 72 | |
| paul@0 | 73 | l:start({ |
| paul@0 | 74 | caps = { |
| paul@0 | 75 | vbus = io_buses.cpm, |
| paul@0 | 76 | cpm = cpm:svr(), |
| paul@0 | 77 | }, |
| paul@0 | 78 | }, |
| paul@0 | 79 | "rom/dev_cpm_jz4740"); |
| paul@0 | 80 | |
| paul@0 | 81 | -- Expose a framebuffer device. |
| paul@0 | 82 | |
| paul@0 | 83 | local fbdrv_fb = l:new_channel(); |
| paul@0 | 84 | |
| paul@0 | 85 | l:start({ |
| paul@0 | 86 | caps = { |
| paul@0 | 87 | vbus = io_buses.lcd, |
| paul@0 | 88 | fb = fbdrv_fb:svr(), |
| paul@0 | 89 | cpm = cpm, |
| paul@0 | 90 | display = display, -- needed by LCD driver |
| paul@0 | 91 | }, |
| paul@0 | 92 | }, |
| paul@0 | 93 | "rom/fb-drv"); |
| paul@0 | 94 | |
| paul@0 | 95 | -- Multiplex the framebuffer. |
| paul@0 | 96 | |
| paul@0 | 97 | local mag_caps = { |
| paul@0 | 98 | mag = l:new_channel(), |
| paul@0 | 99 | svc = l:new_channel(), |
| paul@0 | 100 | }; |
| paul@0 | 101 | |
| paul@0 | 102 | l:start({ |
| paul@0 | 103 | caps = { |
| paul@0 | 104 | vbus = io_buses.gpio, -- needed by input driver |
| paul@0 | 105 | fb = fbdrv_fb, |
| paul@0 | 106 | mag = mag_caps.mag:svr(), |
| paul@0 | 107 | svc = mag_caps.svc:svr(), |
| paul@0 | 108 | }, |
| paul@0 | 109 | }, |
| paul@0 | 110 | "rom/mag"); |
| paul@0 | 111 | |
| paul@0 | 112 | -- Expose the keypad matrix. |
| paul@0 | 113 | |
| paul@0 | 114 | local keypad = l:new_channel(); |
| paul@0 | 115 | |
| paul@0 | 116 | l:start({ |
| paul@0 | 117 | caps = { |
| paul@0 | 118 | vbus = io_buses.gpio, |
| paul@0 | 119 | keypad = keypad:svr(), |
| paul@0 | 120 | }, |
| paul@0 | 121 | }, |
| paul@0 | 122 | "rom/dev_keypad_qi_lb60"); |
| paul@0 | 123 | |
| paul@0 | 124 | -- Show the keypad matrix. |
| paul@0 | 125 | |
| paul@0 | 126 | l:startv({ |
| paul@0 | 127 | caps = { |
| paul@0 | 128 | fb = mag_caps.svc:create(L4.Proto.Goos, "g=320x230+0+0", "barheight=10"), |
| paul@0 | 129 | keypad = keypad, |
| paul@0 | 130 | }, |
| paul@0 | 131 | }, |
| paul@0 | 132 | "rom/ex_keypad_ds_client", "8", "8"); -- specifying keypad matrix dimensions |
