kopia lustrzana https://github.com/OpenRTX/OpenRTX
CS7000: keyboard driver
Silvano Seva
rodzic
7f83dbbd5f
commit
72e54a7a11
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@ -460,7 +460,7 @@ mod17_def += openrtx_def + stm32f405_def
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cs7000_src = ['platform/drivers/stubs/nvmem_stub.c',
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'platform/drivers/stubs/cps_io_stub.c',
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'platform/drivers/stubs/radio_stub.c',
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'platform/drivers/stubs/keyboard_stub.c',
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'platform/drivers/keyboard/keyboard_CS7000.c',
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'platform/drivers/display/ST7735R_CS7000.c',
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'platform/drivers/backlight/backlight_CS7000.c',
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'platform/drivers/stubs/audio_stub.c',
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@ -0,0 +1,138 @@
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/***************************************************************************
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* Copyright (C) 2024 by Silvano Seva IU2KWO *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 3 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, see <http://www.gnu.org/licenses/> *
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***************************************************************************/
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#include <stdint.h>
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#include <peripherals/gpio.h>
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#include <interfaces/delays.h>
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#include <interfaces/keyboard.h>
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#include <hwconfig.h>
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/*
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* Keyboard map:
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*
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* R902 R903 R904 R909 R926
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* +-------+-------+-------+-------+-------+
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* | Col 1 | Col 2 | Col 3 | Col 4 | Col 5 |
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* +-------+-------+-------+-------+-------+-------+
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* | Row 1 | 1 | 2 | 3 | k1 | k5 | R905
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* +-------+-------+-------+-------+-------+-------+
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* | Row 2 | 4 | 5 | 6 | k2 | k6 | R906
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* +-------+-------+-------+-------+-------+-------+
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* | Row 3 | 7 | 8 | 9 | k3 | | R907
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* +-------+-------+-------+-------+-------+-------+
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* | Row 4 | * | 0 | # | k4 | | R908
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* +-------+-------+-------+-------+-------+-------+
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*
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*/
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void kbd_init()
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{
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gpio_setMode(KB_COL5, INPUT_PULL_DOWN);
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gpio_setMode(SIDE_KEY1, INPUT);
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gpio_setMode(SIDE_KEY2, INPUT);
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gpio_setMode(SIDE_KEY3, INPUT);
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gpio_setMode(ALARM_KEY, INPUT);
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}
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void kbd_terminate()
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{
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}
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keyboard_t kbd_getKeys()
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{
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keyboard_t keys = 0;
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/*
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* Rows and columns lines are in common with the display, so we have to
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* configure them as inputs before scanning. However, before configuring them
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* as inputs, we put them as outputs and force a low logical level in order
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* to be sure that any residual charge on both the display controller's inputs
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* and in the capacitors in parallel to the Dx lines is dissipated.
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*/
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gpio_setMode(LCD_D0, OUTPUT);
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gpio_setMode(LCD_D1, OUTPUT);
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gpio_setMode(LCD_D2, OUTPUT);
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gpio_setMode(LCD_D3, OUTPUT);
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gpio_setMode(LCD_D4, OUTPUT);
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gpio_setMode(LCD_D5, OUTPUT);
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gpio_setMode(LCD_D6, OUTPUT);
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gpio_setMode(LCD_D7, OUTPUT);
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gpio_clearPin(LCD_D0);
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gpio_clearPin(LCD_D1);
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gpio_clearPin(LCD_D2);
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gpio_clearPin(LCD_D3);
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gpio_clearPin(LCD_D4);
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gpio_clearPin(LCD_D5);
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gpio_clearPin(LCD_D6);
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gpio_clearPin(LCD_D7);
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gpio_setMode(KB_COL1, INPUT_PULL_DOWN);
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gpio_setMode(KB_COL2, INPUT_PULL_DOWN);
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gpio_setMode(KB_COL3, INPUT_PULL_DOWN);
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gpio_setMode(KB_COL4, INPUT_PULL_DOWN);
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gpio_setPin(KB_ROW1);
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delayUs(10);
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if(gpio_readPin(KB_COL1) != 0) keys |= KEY_1;
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if(gpio_readPin(KB_COL2) != 0) keys |= KEY_2;
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if(gpio_readPin(KB_COL3) != 0) keys |= KEY_3;
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if(gpio_readPin(KB_COL4) != 0) keys |= KEY_ENTER;
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if(gpio_readPin(KB_COL5) != 0) keys |= KEY_UP;
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gpio_clearPin(KB_ROW1);
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gpio_setPin(KB_ROW2);
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delayUs(10);
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if(gpio_readPin(KB_COL1) != 0) keys |= KEY_4;
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if(gpio_readPin(KB_COL2) != 0) keys |= KEY_5;
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if(gpio_readPin(KB_COL3) != 0) keys |= KEY_6;
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if(gpio_readPin(KB_COL4) != 0) keys |= KEY_ESC;
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if(gpio_readPin(KB_COL5) != 0) keys |= KEY_DOWN;
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gpio_clearPin(KB_ROW2);
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gpio_setPin(KB_ROW3);
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delayUs(10);
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if(gpio_readPin(KB_COL1) != 0) keys |= KEY_7;
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if(gpio_readPin(KB_COL2) != 0) keys |= KEY_8;
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if(gpio_readPin(KB_COL3) != 0) keys |= KEY_9;
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if(gpio_readPin(KB_COL4) != 0) keys |= KEY_F4;
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gpio_clearPin(KB_ROW3);
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gpio_setPin(KB_ROW4);
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delayUs(10);
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if(gpio_readPin(KB_COL1) != 0) keys |= KEY_STAR;
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if(gpio_readPin(KB_COL2) != 0) keys |= KEY_0;
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if(gpio_readPin(KB_COL3) != 0) keys |= KEY_HASH;
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if(gpio_readPin(KB_COL4) != 0) keys |= KEY_F5;
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gpio_clearPin(KB_ROW4);
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if(gpio_readPin(SIDE_KEY1) == 0) keys |= KEY_MONI;
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if(gpio_readPin(SIDE_KEY2) == 0) keys |= KEY_F1;
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if(gpio_readPin(SIDE_KEY3) == 0) keys |= KEY_F2;
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if(gpio_readPin(ALARM_KEY) == 0) keys |= KEY_F3;
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return keys;
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}
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