[Keyboard] Adding OSAv2 Numpad Topre support (#21224)

9 files changed, 446 insertions, 0 deletions

diff --git a/keyboards/viktus/osav2_numpad_topre/ec.c b/keyboards/viktus/osav2_numpad_topre/ec.c
new file mode 100644
index 0000000000..e4f59c3b6b
--- /dev/null
+++ b/keyboards/viktus/osav2_numpad_topre/ec.c
@@ -0,0 +1,181 @@
+/* Copyright 2023 Viktus Design LLC
+ *
+ * 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"
+#include "ec.h"
+#include "analog.h"
+//#include "debug.h"  // needed for debugging
+
+// sensing channel definitions
+#define A0 0
+#define A1 1
+#define A2 2
+#define A3 3
+#define A4 4
+#define A5 5
+#define A6 6
+#define A7 7
+
+// analog connection settings
+#define DISCHARGE_PIN B5
+#define ANALOG_PORT B6
+
+#ifndef MUX_SEL_PIN
+#   define MUX_SEL_PINS \
+        { D6, D7, B4 }
+#endif
+
+// pin connections
+const uint8_t row_channels[] = MATRIX_ROW_PINS;
+const uint8_t col_pins[]     = MATRIX_COL_PINS;
+const uint8_t mux_sel_pins[] = MUX_SEL_PINS;
+
+_Static_assert(sizeof(mux_sel_pins) == 3, "invalid MUX_SEL_PINS");
+
+static ec_config_t config;
+static uint16_t    ec_sw_value[MATRIX_COLS][MATRIX_ROWS];
+
+static inline void discharge_capacitor(void) { setPinOutput(DISCHARGE_PIN); }
+static inline void charge_capacitor(uint8_t col) {
+    setPinInput(DISCHARGE_PIN);
+    writePinHigh(col_pins[col]);
+}
+
+static inline void clear_all_col_pins(void) {
+    for (int col = 0; col < sizeof(col_pins); col++) {
+        writePinLow(col_pins[col]);
+    }
+}
+
+void init_mux_sel(void) {
+    for (int idx = 0; idx < sizeof(mux_sel_pins); idx++) {
+        setPinOutput(mux_sel_pins[idx]);
+    }
+}
+
+void select_mux(uint8_t row) {
+    uint8_t ch = row_channels[row];
+    writePin(mux_sel_pins[0], ch & 1);
+    writePin(mux_sel_pins[1], ch & 2);
+    writePin(mux_sel_pins[2], ch & 4);
+}
+
+void init_col(void) {
+    for (int idx = 0; idx < sizeof(col_pins); idx++) {
+        setPinOutput(col_pins[idx]);
+        writePinLow(col_pins[idx]);
+    }
+}
+
+void ec_init(ec_config_t const* const ec_config) {
+    // save config
+    config = *ec_config;
+
+    // initialize discharge pin as discharge mode
+    writePinLow(DISCHARGE_PIN);
+    setPinOutput(DISCHARGE_PIN);
+
+    // set analog reference
+    analogReference(ADC_REF_POWER);
+
+    // initialize drive lines
+    init_col();
+
+    // initialize multiplexer select pin
+    init_mux_sel();
+
+    // set discharge pin to charge mode
+    setPinInput(DISCHARGE_PIN);
+}
+
+uint16_t ec_readkey_raw(uint8_t col, uint8_t row) {
+    uint16_t sw_value = 0;
+
+    discharge_capacitor();
+
+    select_mux(row);
+
+    clear_all_col_pins();
+
+    cli();
+
+    charge_capacitor(col);
+
+    sw_value = analogReadPin(ANALOG_PORT);
+
+    sei();
+
+    return sw_value;
+}
+
+bool ec_update_key(matrix_row_t* current_row, matrix_row_t col, uint16_t sw_value, uint16_t reset_pt, uint16_t actuation_pt) {
+    bool current_state = (*current_row >> col) & 1;
+
+    // press to release
+    if (current_state && sw_value < reset_pt) {
+        *current_row &= ~(MATRIX_ROW_SHIFTER << col);
+        return true;
+    }
+
+    // rest to press
+    if ((!current_state) && sw_value > actuation_pt) {
+        *current_row |= (MATRIX_ROW_SHIFTER << col);
+        return true;
+    }
+
+    return false;
+}
+
+bool ec_matrix_scan(matrix_row_t current_matrix[]) {
+    bool updated = false;
+
+    for (int row = 0; row < sizeof(row_channels); row++) {
+        for (int col = 0; col < sizeof(col_pins); col++) {
+            uint16_t reset_pt = config.reset_pt;
+            uint16_t actuation_pt = config.actuation_pt;
+
+            //Modifying threshold values for overlapping pads
+            switch(row) {
+                case 1:
+                case 2:
+                case 3:
+                case 4:
+                    switch(col) {
+                        case 3: // lower threshold for plus and enter: (37 rest, 61 btm)
+                            reset_pt = 45;
+                            actuation_pt = 50;
+                            break;
+                    }
+                    break;
+            }
+
+            ec_sw_value[col][row] = ec_readkey_raw(col, row);
+            updated |= ec_update_key(&current_matrix[row], col, ec_sw_value[col][row], reset_pt, actuation_pt);
+        }
+    }
+
+    return updated;
+}
+
+// console debugging for pad values
+/*void ec_dprint_matrix(void) {
+    for (int row = 0; row < sizeof(row_channels); row++) {
+        for (int col = 0; col < sizeof(col_pins); col++) {
+            dprintf("%5d", ec_sw_value[col][row]);
+        }
+        dprintf("\n");
+    }
+}*/
diff --git a/keyboards/viktus/osav2_numpad_topre/ec.h b/keyboards/viktus/osav2_numpad_topre/ec.h
new file mode 100644
index 0000000000..33bdb2d5ef
--- /dev/null
+++ b/keyboards/viktus/osav2_numpad_topre/ec.h
@@ -0,0 +1,31 @@
+/* Copyright 2023 Viktus Design LLC
+ *
+ * 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 <stdint.h>
+#include <stdbool.h>
+
+#include "matrix.h"
+
+typedef struct {
+    uint16_t reset_pt;
+    uint16_t actuation_pt;
+} ec_config_t;
+
+void     ec_init(ec_config_t const* const ec_config);
+bool     ec_matrix_scan(matrix_row_t current_matrix[]);
+//void     ec_dprint_matrix(void);  // needed for debugging
+uint16_t ec_readkey_raw(uint8_t col, uint8_t row);
+bool     ec_update_key(matrix_row_t* current_row, uint8_t col, uint16_t sw_value, uint16_t reset_pt, uint16_t actuation_pt);
diff --git a/keyboards/viktus/osav2_numpad_topre/info.json b/keyboards/viktus/osav2_numpad_topre/info.json
new file mode 100644
index 0000000000..55ca939e3f
--- /dev/null
+++ b/keyboards/viktus/osav2_numpad_topre/info.json
@@ -0,0 +1,100 @@
+{
+    "manufacturer": "Viktus Design LLC",
+    "keyboard_name": "OSAv2 Numpad - Topre",
+    "maintainer": "BlindAssassin111",
+    "url": "https://viktus.design",
+    "usb": {
+        "device_version": "1.1.0",
+        "vid": "0x5644",
+        "pid": "0x4E54"
+    },
+    "bootloader": "atmel-dfu",
+    "processor": "atmega32u4",
+    "features": {
+        "bootmagic": true,
+        "command": false,
+        "console": false,
+        "extrakey": true,
+        "mousekey": true,
+        "nkro": true
+    },
+    "build": {
+        "lto": true
+    },
+    "diode_direction": "COL2ROW",
+    "matrix_pins": {
+        "cols": ["F5", "F6", "D3", "D2"],
+        "rows": ["A1", "A0", "A3", "A2", "A4"]
+    },
+    "layouts": {
+        "LAYOUT_ortho_5x4": {
+            "layout": [
+                { "label": "K00", "matrix": [0, 0], "x": 0, "y": 0 },
+                { "label": "K01", "matrix": [0, 1], "x": 1, "y": 0 },
+                { "label": "K02", "matrix": [0, 2], "x": 2, "y": 0 },
+                { "label": "K03", "matrix": [0, 3], "x": 3, "y": 0 },
+                { "label": "K10", "matrix": [1, 0], "x": 0, "y": 1 },
+                { "label": "K11", "matrix": [1, 1], "x": 1, "y": 1 },
+                { "label": "K12", "matrix": [1, 2], "x": 2, "y": 1 },
+                { "label": "K13", "matrix": [1, 3], "x": 3, "y": 1 },
+                { "label": "K20", "matrix": [2, 0], "x": 0, "y": 2 },
+                { "label": "K21", "matrix": [2, 1], "x": 1, "y": 2 },
+                { "label": "K22", "matrix": [2, 2], "x": 2, "y": 2 },
+                { "label": "K23", "matrix": [2, 3], "x": 3, "y": 2 },
+                { "label": "K30", "matrix": [3, 0], "x": 0, "y": 3 },
+                { "label": "K31", "matrix": [3, 1], "x": 1, "y": 3 },
+                { "label": "K32", "matrix": [3, 2], "x": 2, "y": 3 },
+                { "label": "K33", "matrix": [3, 3], "x": 3, "y": 3 },
+                { "label": "K40", "matrix": [4, 0], "x": 0, "y": 4 },
+                { "label": "K41", "matrix": [4, 1], "x": 1, "y": 4 },
+                { "label": "K42", "matrix": [4, 2], "x": 2, "y": 4 },
+                { "label": "K43", "matrix": [4, 3], "x": 3, "y": 4 }
+            ]
+        },
+        "LAYOUT_split_plus_2u_enter": {
+            "layout": [
+                { "label": "K00", "matrix": [0, 0], "x": 0, "y": 0 },
+                { "label": "K01", "matrix": [0, 1], "x": 1, "y": 0 },
+                { "label": "K02", "matrix": [0, 2], "x": 2, "y": 0 },
+                { "label": "K03", "matrix": [0, 3], "x": 3, "y": 0 },
+                { "label": "K10", "matrix": [1, 0], "x": 0, "y": 1 },
+                { "label": "K11", "matrix": [1, 1], "x": 1, "y": 1 },
+                { "label": "K12", "matrix": [1, 2], "x": 2, "y": 1 },
+                { "label": "K13", "matrix": [1, 3], "x": 3, "y": 1 },
+                { "label": "K20", "matrix": [2, 0], "x": 0, "y": 2 },
+                { "label": "K21", "matrix": [2, 1], "x": 1, "y": 2 },
+                { "label": "K22", "matrix": [2, 2], "x": 2, "y": 2 },
+                { "label": "K23", "matrix": [2, 3], "x": 3, "y": 2 },
+                { "label": "K30", "matrix": [3, 0], "x": 0, "y": 3 },
+                { "label": "K31", "matrix": [3, 1], "x": 1, "y": 3 },
+                { "label": "K32", "matrix": [3, 2], "x": 2, "y": 3 },
+                { "label": "K33", "matrix": [3, 3], "h": 2, "x": 3, "y": 3 },
+                { "label": "K40", "matrix": [4, 0], "x": 0, "y": 4 },
+                { "label": "K41", "matrix": [4, 1], "x": 1, "y": 4 },
+                { "label": "K42", "matrix": [4, 2], "x": 2, "y": 4 }
+            ]
+        },
+        "LAYOUT_2u_plus_2u_enter": {
+            "layout": [
+                { "label": "K00", "matrix": [0, 0], "x": 0, "y": 0 },
+                { "label": "K01", "matrix": [0, 1], "x": 1, "y": 0 },
+                { "label": "K02", "matrix": [0, 2], "x": 2, "y": 0 },
+                { "label": "K03", "matrix": [0, 3], "x": 3, "y": 0 },
+                { "label": "K10", "matrix": [1, 0], "x": 0, "y": 1 },
+                { "label": "K11", "matrix": [1, 1], "x": 1, "y": 1 },
+                { "label": "K12", "matrix": [1, 2], "x": 2, "y": 1 },
+                { "label": "K20", "matrix": [2, 0], "x": 0, "y": 2 },
+                { "label": "K21", "matrix": [2, 1], "x": 1, "y": 2 },
+                { "label": "K22", "matrix": [2, 2], "x": 2, "y": 2 },
+                { "label": "K23", "matrix": [2, 3], "h": 2, "x": 3, "y": 1 },
+                { "label": "K30", "matrix": [3, 0], "x": 0, "y": 3 },
+                { "label": "K31", "matrix": [3, 1], "x": 1, "y": 3 },
+                { "label": "K32", "matrix": [3, 2], "x": 2, "y": 3 },
+                { "label": "K33", "matrix": [3, 3], "h": 2, "x": 3, "y": 3 },
+                { "label": "K40", "matrix": [4, 0], "x": 0, "y": 4 },
+                { "label": "K41", "matrix": [4, 1], "x": 1, "y": 4 },
+                { "label": "K42", "matrix": [4, 2], "x": 2, "y": 4 }
+            ]
+        }
+    }
+}
diff --git a/keyboards/viktus/osav2_numpad_topre/keymaps/default/keymap.c b/keyboards/viktus/osav2_numpad_topre/keymaps/default/keymap.c
new file mode 100644
index 0000000000..7545c946c3
--- /dev/null
+++ b/keyboards/viktus/osav2_numpad_topre/keymaps/default/keymap.c
@@ -0,0 +1,27 @@
+/* Copyright 2023 Viktus Design LLC
+ *
+ * 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 QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    [0] = LAYOUT_ortho_5x4(
+        KC_NUM, KC_PSLS, KC_PAST, KC_PMNS,
+        KC_P7,  KC_P8,   KC_P9,   KC_PEQL,
+        KC_P4,  KC_P5,   KC_P6,   KC_PPLS,
+        KC_P1,  KC_P2,   KC_P3,   KC_PENT,
+        KC_P0,  KC_P0,   KC_PDOT, KC_DEL
+    )
+};
diff --git a/keyboards/viktus/osav2_numpad_topre/keymaps/via/keymap.c b/keyboards/viktus/osav2_numpad_topre/keymaps/via/keymap.c
new file mode 100644
index 0000000000..7545c946c3
--- /dev/null
+++ b/keyboards/viktus/osav2_numpad_topre/keymaps/via/keymap.c
@@ -0,0 +1,27 @@
+/* Copyright 2023 Viktus Design LLC
+ *
+ * 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 QMK_KEYBOARD_H
+
+const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {
+    [0] = LAYOUT_ortho_5x4(
+        KC_NUM, KC_PSLS, KC_PAST, KC_PMNS,
+        KC_P7,  KC_P8,   KC_P9,   KC_PEQL,
+        KC_P4,  KC_P5,   KC_P6,   KC_PPLS,
+        KC_P1,  KC_P2,   KC_P3,   KC_PENT,
+        KC_P0,  KC_P0,   KC_PDOT, KC_DEL
+    )
+};
diff --git a/keyboards/viktus/osav2_numpad_topre/keymaps/via/rules.mk b/keyboards/viktus/osav2_numpad_topre/keymaps/via/rules.mk
new file mode 100644
index 0000000000..1e5b99807c
--- /dev/null
+++ b/keyboards/viktus/osav2_numpad_topre/keymaps/via/rules.mk
@@ -0,0 +1 @@
+VIA_ENABLE = yes
diff --git a/keyboards/viktus/osav2_numpad_topre/osav2_numpad_topre.c b/keyboards/viktus/osav2_numpad_topre/osav2_numpad_topre.c
new file mode 100644
index 0000000000..2337fc55f3
--- /dev/null
+++ b/keyboards/viktus/osav2_numpad_topre/osav2_numpad_topre.c
@@ -0,0 +1,49 @@
+/* Copyright 2023 Viktus Design LLC
+ *
+ * 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"
+#include "ec.h"
+#include "matrix.h"
+//#include "debug.h"  // needed for debugging
+
+#define RESET_PT 55
+#define ACTUATION_PT 65
+
+// console debugging for pad values
+void keyboard_post_init_kb() {
+    debug_enable = true;
+    debug_matrix = true;
+}
+
+void matrix_init_custom(void) {
+    ec_config_t ec_config = {.reset_pt = RESET_PT, .actuation_pt = ACTUATION_PT};
+
+    ec_init(&ec_config);
+}
+
+bool matrix_scan_custom(matrix_row_t current_matrix[]) {
+    bool updated = ec_matrix_scan(current_matrix);
+
+    // console debugging for pad values
+    /*static int cnt = 0;
+    if (cnt++ == 1000) {
+        cnt = 0;
+        ec_dprint_matrix();
+        dprintf("\n");
+    }*/
+
+    return updated;
+}
diff --git a/keyboards/viktus/osav2_numpad_topre/readme.md b/keyboards/viktus/osav2_numpad_topre/readme.md
new file mode 100644
index 0000000000..990bfe04fe
--- /dev/null
+++ b/keyboards/viktus/osav2_numpad_topre/readme.md
@@ -0,0 +1,27 @@
+# OSAv2 Numpad - Topre
+
+![osav2_numpad_topre](https://i.imgur.com/G6yNtJMh.png)
+
+An OSAv2 Numpad in topre flavor.
+
+-   Keyboard Maintainer: BlindAssassin111
+-   Hardware Supported: OSAv2 Numpad Topre PCB
+-   Hardware Availability: Viktus Design LLC
+
+Make example for this keyboard (after setting up your build environment):
+
+    make viktus/osav2_numpad_topre:default
+
+Flashing example for this keyboard:
+
+    make viktus/osav2_numpad_topre:default:flash
+
+See the [build environment setup](https://docs.qmk.fm/#/getting_started_build_tools) and the [make instructions](https://docs.qmk.fm/#/getting_started_make_guide) for more information. Brand new to QMK? Start with our [Complete Newbs Guide](https://docs.qmk.fm/#/newbs).
+
+## Bootloader
+
+Enter the bootloader in 3 ways:
+
+* **Bootmagic reset**: Hold down the key at (0,0) in the matrix (usually the top left key or Escape) and plug in the keyboard
+* **Physical reset button**: Briefly press the button on the back of the PCB - some may have pads you must short instead
+* **Keycode in layout**: Press the key mapped to `QK_BOOT` if it is available
diff --git a/keyboards/viktus/osav2_numpad_topre/rules.mk b/keyboards/viktus/osav2_numpad_topre/rules.mk
new file mode 100644
index 0000000000..037e26c530
--- /dev/null
+++ b/keyboards/viktus/osav2_numpad_topre/rules.mk
@@ -0,0 +1,3 @@
+CUSTOM_MATRIX = lite
+QUANTUM_LIB_SRC += analog.c
+SRC += ec.c