qmk_firmware

QMK firmware for my keyboards (Corne, Sweep Ferris) and trackball (Ploopy Adept)
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q11.c (5159B)


      1 /* Copyright 2023 @ Keychron (https://www.keychron.com)
      2  *
      3  * This program is free software: you can redistribute it and/or modify
      4  * it under the terms of the GNU General Public License as published by
      5  * the Free Software Foundation, either version 2 of the License, or
      6  * (at your option) any later version.
      7  *
      8  * This program is distributed in the hope that it will be useful,
      9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
     10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     11  * GNU General Public License for more details.
     12  *
     13  * You should have received a copy of the GNU General Public License
     14  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
     15  */
     16 
     17 #include "quantum.h"
     18 
     19 #ifdef DIP_SWITCH_ENABLE
     20 bool dip_switch_update_kb(uint8_t index, bool active) {
     21     if (!dip_switch_update_user(index, active)) {
     22         return false;
     23     }
     24     if (index == 0) {
     25         default_layer_set(1UL << (active ? 0 : 2));
     26     }
     27     return true;
     28 }
     29 #endif
     30 
     31 #if defined(RGB_MATRIX_ENABLE) && defined(CAPS_LOCK_LED_INDEX)
     32 bool process_record_kb(uint16_t keycode, keyrecord_t *record) {
     33     if (!process_record_user(keycode, record)) {
     34         return false;
     35     }
     36     switch (keycode) {
     37         case QK_RGB_MATRIX_TOGGLE:
     38             if (record->event.pressed) {
     39                 switch (rgb_matrix_get_flags()) {
     40                     case LED_FLAG_ALL: {
     41                         rgb_matrix_set_flags(LED_FLAG_NONE);
     42                         rgb_matrix_set_color_all(0, 0, 0);
     43                     } break;
     44                     default: {
     45                         rgb_matrix_set_flags(LED_FLAG_ALL);
     46                     } break;
     47                 }
     48             }
     49             if (!rgb_matrix_is_enabled()) {
     50                 rgb_matrix_set_flags(LED_FLAG_ALL);
     51                 rgb_matrix_enable();
     52             }
     53             return false;
     54     }
     55     return true;
     56 }
     57 
     58 bool rgb_matrix_indicators_advanced_kb(uint8_t led_min, uint8_t led_max) {
     59     if (!rgb_matrix_indicators_advanced_user(led_min, led_max)) {
     60         return false;
     61     }
     62     // RGB_MATRIX_INDICATOR_SET_COLOR(index, red, green, blue);
     63 #    if defined(CAPS_LOCK_LED_INDEX)
     64     if (host_keyboard_led_state().caps_lock) {
     65         RGB_MATRIX_INDICATOR_SET_COLOR(CAPS_LOCK_LED_INDEX, 255, 255, 255);
     66     } else {
     67         if (!rgb_matrix_get_flags()) {
     68             RGB_MATRIX_INDICATOR_SET_COLOR(CAPS_LOCK_LED_INDEX, 0, 0, 0);
     69         }
     70     }
     71 #    endif // CAPS_LOCK_LED_INDEX
     72 #    if defined(NUM_LOCK_LED_INDEX)
     73     if (host_keyboard_led_state().num_lock) {
     74         RGB_MATRIX_INDICATOR_SET_COLOR(NUM_LOCK_LED_INDEX, 255, 255, 255);
     75     } else {
     76         if (!rgb_matrix_get_flags()) {
     77             RGB_MATRIX_INDICATOR_SET_COLOR(NUM_LOCK_LED_INDEX, 0, 0, 0);
     78         }
     79     }
     80 #    endif // NUM_LOCK_LED_INDEX
     81     return true;
     82 }
     83 #endif
     84 
     85 #define ADC_BUFFER_DEPTH 1
     86 #define ADC_NUM_CHANNELS 1
     87 #define ADC_SAMPLING_RATE ADC_SMPR_SMP_12P5
     88 #define ADC_RESOLUTION ADC_CFGR_RES_10BITS
     89 
     90 static int16_t analogReadPin_my(pin_t pin) {
     91     ADCConfig          adcCfg = {};
     92     adcsample_t        sampleBuffer[ADC_NUM_CHANNELS * ADC_BUFFER_DEPTH];
     93     ADCDriver         *targetDriver       = &ADCD1;
     94     ADCConversionGroup adcConversionGroup = {
     95         .circular     = FALSE,
     96         .num_channels = (uint16_t)(ADC_NUM_CHANNELS),
     97         .cfgr         = ADC_RESOLUTION,
     98     };
     99 
    100     palSetLineMode(pin, PAL_MODE_INPUT_ANALOG);
    101     switch (pin) {
    102         case B0:
    103             adcConversionGroup.smpr[2] = ADC_SMPR2_SMP_AN15(ADC_SAMPLING_RATE);
    104             adcConversionGroup.sqr[0]  = ADC_SQR1_SQ1_N(ADC_CHANNEL_IN15);
    105             sampleBuffer[0]            = 0;
    106             break;
    107         case B1:
    108             adcConversionGroup.smpr[2] = ADC_SMPR2_SMP_AN16(ADC_SAMPLING_RATE);
    109             adcConversionGroup.sqr[0]  = ADC_SQR1_SQ1_N(ADC_CHANNEL_IN16);
    110             sampleBuffer[0]            = 0;
    111             break;
    112         default:
    113             return 0;
    114     }
    115     adcStart(targetDriver, &adcCfg);
    116     if (adcConvert(targetDriver, &adcConversionGroup, &sampleBuffer[0], ADC_BUFFER_DEPTH) != MSG_OK) {
    117         return 0;
    118     }
    119 
    120     return *sampleBuffer;
    121 }
    122 
    123 void keyboard_post_init_kb(void) {
    124     // 1. The pin A5/B5 of the USB C interface in the left hand is connected to the pin A0 of MCU,
    125     // A0 will be set to output and write high when keyboard initial.
    126     // 2. The same pin in the right hand is connected to the pin B0 and B1 of MCU respectively,
    127     // and the ADC function of B0 and B1 will be enabled when keyboard initial.
    128     // 3. because the serial usart RXD and TXD is multiplexed on USB's D+ and D- in the right hand.
    129     // So detect the voltage on the pin A5/B5 of the USB C interface by ADC,
    130     // and disable USB connectivity when the ADC value exceeds 1000,
    131     // to avoid affecting the serial usart communication between the left hand and the right hand.
    132     if (is_keyboard_left()) {
    133         gpio_set_pin_output(A0);
    134         gpio_write_pin_high(A0);
    135     } else {
    136         if ((analogReadPin_my(B0) > 1000) || (analogReadPin_my(B1) > 1000)) {
    137             gpio_set_pin_input(A11);
    138             gpio_set_pin_input(A12);
    139         }
    140     }
    141 
    142     keyboard_post_init_user();
    143 }