FreeCalypso > hg > freecalypso-schem2
view venus/src/periph/keypad.v @ 83:c27854430cb3
add 3-pin header for possible external boot control
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Wed, 08 Dec 2021 05:32:47 +0000 |
parents | 9de8e7a43160 |
children |
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/* * This Verilog module encapsulates the keypad of FC Venus. * * As currently implemented, KBC/KBR crosspoint choices correspond * to TI's D-Sample, but they can be freely changed by the PCB layout * engineer by editing this Verilog module and regenerating the netlist. */ module keypad (GND, KBC, KBR, PWON); input GND; input [4:0] KBC; output [4:0] KBR; output PWON; keyswitch_wrap S401 (KBC[3], KBR[0]); /* left soft key */ keyswitch_wrap S402 (KBC[4], KBR[2]); /* navigation up */ keyswitch_wrap S403 (KBC[3], KBR[2]); /* right soft key */ keyswitch_wrap S404 (KBC[4], KBR[0]); /* navigation left */ keyswitch_wrap S405 (KBC[4], KBR[4]); /* navigation center */ keyswitch_wrap S406 (KBC[4], KBR[1]); /* navigation right */ keyswitch_wrap S407 (KBC[0], KBR[0]); /* green CALL or SEND button */ keyswitch_wrap S408 (KBC[4], KBR[3]); /* navigation down */ keyswitch_wrap S410 (KBC[0], KBR[1]); /* 1 */ keyswitch_wrap S411 (KBC[1], KBR[1]); /* 2 */ keyswitch_wrap S412 (KBC[2], KBR[1]); /* 3 */ keyswitch_wrap S413 (KBC[0], KBR[2]); /* 4 */ keyswitch_wrap S414 (KBC[1], KBR[2]); /* 5 */ keyswitch_wrap S415 (KBC[2], KBR[2]); /* 6 */ keyswitch_wrap S416 (KBC[0], KBR[3]); /* 7 */ keyswitch_wrap S417 (KBC[1], KBR[3]); /* 8 */ keyswitch_wrap S418 (KBC[2], KBR[3]); /* 9 */ keyswitch_wrap S419 (KBC[0], KBR[4]); /* * */ keyswitch_wrap S420 (KBC[1], KBR[4]); /* 0 */ keyswitch_wrap S421 (KBC[2], KBR[4]); /* # */ keyswitch_wrap S422 (KBC[2], KBR[0]); /* volume up */ keyswitch_wrap S423 (KBC[1], KBR[0]); /* volume down */ keyswitch_wrap S424 (KBC[3], KBR[1]); /* right side button */ /* The button in the "red" position is special: it is PWON */ keyswitch_wrap S409 (PWON, GND); endmodule;