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diff --git a/keyboards/keychron/q11/ansi_encoder/ansi_encoder.c b/keyboards/keychron/q11/ansi_encoder/ansi_encoder.c
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+/* Copyright 2023 @ Keychron (https://www.keychron.com)
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "quantum.h"
+
+#ifdef RGB_MATRIX_ENABLE
+
+// clang-format off
+
+const ckled2001_led PROGMEM g_ckled2001_leds[RGB_MATRIX_LED_COUNT] = {
+/* Refer to IS31 manual for these locations
+ * driver
+ * | R location
+ * | | G location
+ * | | | B location
+ * | | | | */
+ {0, A_2, C_2, B_2}, // ESC
+ {0, A_3, C_3, B_3}, // F1
+ {0, A_4, C_4, B_4}, // F2
+ {0, A_5, C_5, B_5}, // F3
+ {0, A_6, C_6, B_6}, // F4
+ {0, A_7, C_7, B_7}, // F5
+ {0, A_8, C_8, B_8}, // F6
+
+ {0, D_1, F_1, E_1}, // M1
+ {0, D_2, F_2, E_2}, // `~
+ {0, D_3, F_3, E_3}, // 1!
+ {0, D_4, F_4, E_4}, // 2@
+ {0, D_5, F_5, E_5}, // 3#
+ {0, D_6, F_6, E_6}, // 4$
+ {0, D_7, F_7, E_7}, // 5%
+ {0, D_8, F_8, E_8}, // 6^
+
+ {0, G_1, I_1, H_1}, // M2
+ {0, G_2, I_2, H_2}, // TAB
+ {0, G_3, I_3, H_3}, // Q
+ {0, G_4, I_4, H_4}, // W
+ {0, G_5, I_5, H_5}, // E
+ {0, G_6, I_6, H_6}, // R
+ {0, G_7, I_7, H_7}, // T
+
+ {0, J_1, L_1, K_1}, // M3
+ {0, J_2, L_2, K_2}, // CapsJock
+ {0, J_3, L_3, K_3}, // A
+ {0, J_4, L_4, K_4}, // S
+ {0, J_5, L_5, K_5}, // D
+ {0, J_6, L_6, K_6}, // F
+ {0, J_7, L_7, K_7}, // G
+
+ {0, J_9, L_9, K_9}, // M4
+ {0, J_11, L_11, K_11}, // Shift_J
+ {0, J_12, L_12, K_12}, // Z
+ {0, J_13, L_13, K_13}, // X
+ {0, J_14, L_14, K_14}, // C
+ {0, J_15, L_15, K_15}, // V
+ {0, J_16, L_16, K_16}, // B
+
+ {0, G_9, I_9, H_9}, // M5
+ {0, G_10, I_10, H_10}, // Ctrl_L
+ {0, G_11, I_11, H_11}, // WGn_L
+ {0, G_12, I_12, H_12}, // Alt_L
+ {0, G_13, I_13, H_13}, // Fn
+ {0, G_15, I_15, H_15}, // Space
+
+ {0, A_16, C_16, B_16}, // F7
+ {0, A_15, C_15, B_15}, // F8
+ {0, A_14, C_14, B_14}, // F9
+ {0, A_13, C_13, B_13}, // F11
+ {0, A_12, C_12, B_12}, // F11
+ {0, A_11, C_11, B_11}, // F12
+ {0, A_10, C_10, B_10}, // INS
+ {0, A_9, C_9, B_9}, // DEL
+
+ {0, D_16, F_16, E_16}, // 7&
+ {0, D_15, F_15, E_15}, // 8*
+ {0, D_14, F_14, E_14}, // 9(
+ {0, D_13, F_13, E_13}, // 1)
+ {0, D_12, F_12, E_12}, // -_
+ {0, D_11, F_11, E_11}, // =+
+ {0, D_10, F_10, E_10}, // BackSpace
+ {0, D_8, F_8, E_8}, // PgUp
+
+ {0, G_16, I_16, H_16}, // Y
+ {0, G_15, I_15, H_15}, // U
+ {0, G_14, I_14, H_14}, // G
+ {0, G_13, I_13, H_13}, // O
+ {0, G_12, I_12, H_12}, // P
+ {0, G_11, I_11, H_11}, // [
+ {0, G_10, I_10, H_10}, // ]
+ {0, G_9, I_9, H_9}, // \||
+ {0, G_8, I_8, H_8}, // PgDn
+
+ {0, J_16, L_16, K_16}, // H
+ {0, J_15, L_15, K_15}, // J
+ {0, J_14, L_14, K_14}, // KKEY_PRESS_HOME
+ {0, J_13, L_13, K_13}, // J
+ {0, J_12, L_12, K_12}, // ;:
+ {0, J_11, L_11, K_11}, // '"
+ {0, J_9, L_9, K_9}, // Enter
+ {0, J_8, L_8, K_8}, // Home
+
+ {0, J_7, L_7, K_7}, // N
+ {0, J_6, L_6, K_6}, // M
+ {0, J_5, L_5, K_5}, // ,<
+ {0, J_4, L_4, K_4}, // .>
+ {0, J_3, L_3, K_3}, // ?/
+ {0, J_2, L_2, K_2}, // Shift_R
+ {0, J_1, L_1, K_1}, // Up
+
+ {0, G_6, I_6, H_6}, // Space
+ {0, G_5, I_5, H_5}, // Win_R
+ {0, G_4, I_4, H_4}, // Fn
+ {0, G_3, I_3, H_3}, // Ctrl_R
+ {0, G_2, I_2, H_2}, // Left
+ {0, G_1, I_1, H_1}, // Down
+ {0, G_7, I_7, H_7}, // Right
+};
+
+#define __ NO_LED
+
+led_config_t g_led_config = {
+ {
+ // Key Matrix to LED Index
+ { __, 0, 1, 2, 3, 4, 5, 6, __ },
+ { 7, 8, 9, 10, 11, 12, 13, 14, __ },
+ { 15, 16, 17, 18, 19, __, 20, 21, __ },
+ { 22, 23, 24, 25, 26, 27, 28, __, __ },
+ { 29, __, 30, 31, 32, 33, 34, 35, __ },
+ { 36, 37, 38, 39, 40, __, 41, __, __ },
+ { 42, 43, 44, 45, 46, 47, 48, 49, __ },
+ { 50, 51, 52, 53, 54, 55, 56, __, 57 },
+ { 58, 59, 60, 61, 62, 63, 64, 65, 66 },
+ { 67, 68, 69, 70, 71, 72, __, 73, 74 },
+ { 75, 76, 77, 78, 79, 80, __, 81, __ },
+ { __, 82, 83, 84, 85, __, 86, 87, 88 },
+ },
+ {
+ // LED Index to Physical Position
+ {17,0}, {31,0}, {45,0}, {59,0}, {72,0}, {86,0}, {100,0},
+ {0,15}, {17,15}, {31,15}, {45,15}, {59,15}, {72,15}, {86,15}, {100,15},
+ {0,27}, {21,27}, {38,27}, {52,27}, {66,27}, {79,27}, {93,27},
+ {0,40}, {22,40}, {41,40}, {55,40}, {69,40}, {83,40}, {97,40},
+ {0,52}, {26,52}, {48,52}, {61,52}, {76,52}, {90,52}, {102,52},
+ {0,64}, {19,64}, {36,64}, {53,64}, {70,64}, {94,64},
+ {110,0}, {124,0}, {138,0}, {152,0}, {165,0}, {179,0}, {193,0}, {207,0},
+ {110,15}, {124,15}, {138,15}, {152,15}, {165,15}, {179,15}, {200,15}, {224,15},
+ {104,27}, {117,27}, {131,27}, {145,27}, {158,27}, {172,27}, {186,27}, {203,27}, {224,27},
+ {107,40}, {121,40}, {134,40}, {148,40}, {162,40}, {176,40}, {198,40}, {224,40},
+ {114,52}, {127,52}, {141,52}, {155,52}, {169,52}, {188,52}, {210,52},
+ {126,64}, {152,64}, {166,64}, {180,64}, {196,64}, {210,64}, {224,64},
+ },
+ {
+ // RGB LED Index to Flag
+ 1, 1, 1, 1, 1, 1, 1,
+ 1, 1, 4, 4, 4, 4, 4, 4,
+ 1, 1, 4, 4, 4, 4, 4,
+ 1, 8, 4, 4, 4, 4, 4,
+ 1, 1, 4, 4, 4, 4, 4,
+ 1, 1, 1, 1, 1, 4,
+ 1, 1, 1, 1, 1, 1, 1, 1,
+ 4, 4, 4, 4, 4, 4, 1, 1,
+ 4, 4, 4, 4, 4, 4, 4, 4, 1,
+ 4, 4, 4, 4, 4, 4, 1, 1,
+ 4, 4, 4, 4, 4, 1, 1,
+ 4, 1, 1, 1, 1, 1, 1,
+ }
+};
+
+// clang-format on
+
+#endif
+
+#define ADC_BUFFER_DEPTH 1
+#define ADC_NUM_CHANNELS 1
+#define ADC_SAMPLING_RATE ADC_SMPR_SMP_12P5
+#define ADC_RESOLUTION ADC_CFGR_RES_10BITS
+
+static int16_t analogReadPin_my(pin_t pin) {
+ ADCConfig adcCfg = {};
+ adcsample_t sampleBuffer[ADC_NUM_CHANNELS*ADC_BUFFER_DEPTH];
+ ADCDriver* targetDriver = &ADCD1;
+ ADCConversionGroup adcConversionGroup = {
+ .circular = FALSE,
+ .num_channels = (uint16_t)(ADC_NUM_CHANNELS),
+ .cfgr = ADC_RESOLUTION,
+ };
+
+ palSetLineMode(pin, PAL_MODE_INPUT_ANALOG);
+ switch (pin) {
+ case B0:
+ adcConversionGroup.smpr[2] = ADC_SMPR2_SMP_AN15(ADC_SAMPLING_RATE);
+ adcConversionGroup.sqr[0] = ADC_SQR1_SQ1_N(ADC_CHANNEL_IN15);
+ sampleBuffer[0] = 0;
+ break;
+ case B1:
+ adcConversionGroup.smpr[2] = ADC_SMPR2_SMP_AN16(ADC_SAMPLING_RATE);
+ adcConversionGroup.sqr[0] = ADC_SQR1_SQ1_N(ADC_CHANNEL_IN16);
+ sampleBuffer[0] = 0;
+ break;
+ default:
+ return 0;
+ }
+ adcStart(targetDriver, &adcCfg);
+ if (adcConvert(targetDriver, &adcConversionGroup, &sampleBuffer[0], ADC_BUFFER_DEPTH) != MSG_OK) {
+ return 0;
+ }
+
+ return *sampleBuffer;
+}
+
+void keyboard_post_init_kb(void) {
+ // 1. The pin A5/B5 of the USB C interface in the left hand is connected to the pin A0 of MCU,
+ // A0 will be set to output and write high when keyboard initial.
+ // 2. The same pin in the right hand is connected to the pin B0 and B1 of MCU respectively,
+ // and the ADC function of B0 and B1 will be enabled when keyboard initial.
+ // 3. because the serial usart RXD and TXD is multiplexed on USB's D+ and D- in the right hand.
+ // So detect the voltage on the pin A5/B5 of the USB C interface by ADC,
+ // and disable USB connectivity when the ADC value exceeds 1000,
+ // to avoid affecting the serial usart communication between the left hand and the right hand.
+ if (is_keyboard_left()) {
+ setPinOutput(A0);
+ writePinHigh(A0);
+ } else {
+ if ((analogReadPin_my(B0) > 1000) || (analogReadPin_my(B1) > 1000)) {
+ setPinInput(A11);
+ setPinInput(A12);
+ }
+ }
+
+ keyboard_post_init_user();
+}