add suppport for the joystiic, adjust planck i2c settings

2018-10-02 17:24:22 -04:00 · 2018-10-02 17:24:22 -04:00 · d2856529ce
commit d2856529ce
parent 5c2ac733af
8 changed files with 227 additions and 4 deletions
--- a/drivers/qwiic/joystiic.c
+++ b/drivers/qwiic/joystiic.c
@ -0,0 +1,184 @@
+/* Copyright 2018 Jack Humbert <jack.humb@gmail.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 "joystiic.h"
+#include "print.h"
+#include "action.h"
+
+#define JOYSTIIC_DEFAULT_ADDR       0x20
+#define JOYSTIIC_COMMAND_HORIZONTAL 0x00
+#define JOYSTIIC_COMMAND_VERTICAL   0x02
+#define JOYSTIIC_COMMAND_BUTTON     0x04
+
+#define JOYSTIIC_CENTER 512
+#define JOYSTIIC_DEADZONE 200
+
+uint16_t joystiic_horizontal;
+uint16_t joystiic_vertical;
+bool joystiic_button;
+
+uint8_t joystiic_tx[1];
+uint8_t joystiic_rx_horizontal[2];
+uint8_t joystiic_rx_vertical[2];
+uint8_t joystiic_rx_button[1];
+
+enum {
+  JOYSTIIC_LEFT,
+  JOYSTIIC_RIGHT,
+  JOYSTIIC_UP,
+  JOYSTIIC_DOWN,
+  JOYSTIIC_PRESS
+};
+
+bool joystiic_triggered[5] = {0};
+
+void joystiic_init(void) {
+  i2c_init();
+  i2c_start(JOYSTIIC_DEFAULT_ADDR);
+}
+
+void joystiic_update(uint16_t horizontal, uint16_t vertical, bool button) {
+  joystiic_update_kb(horizontal, vertical, button);
+  joystiic_update_user(horizontal, vertical, button);
+}
+
+void joystiic_update_kb(uint16_t horizontal, uint16_t vertical, bool button) {
+
+}
+
+void joystiic_update_user(uint16_t horizontal, uint16_t vertical, bool button) {
+
+}
+
+void joystiic_trigger(uint8_t trigger, bool active) {
+  joystiic_trigger_kb(trigger, active);
+  joystiic_trigger_user(trigger, active);
+}
+
+void joystiic_trigger_kb(uint8_t trigger, bool active) {
+  switch (trigger) {
+    case JOYSTIIC_LEFT: active ? register_code(KC_L) : unregister_code(KC_L); break;
+  }
+}
+
+void joystiic_trigger_user(uint8_t trigger, bool active) {
+
+}
+
+void joystiic_task(void) {
+  // get horizontal axis
+  joystiic_tx[0] = JOYSTIIC_COMMAND_HORIZONTAL;
+
+  if (MSG_OK != i2c_transmit_receive(JOYSTIIC_DEFAULT_ADDR << 1,
+    joystiic_tx, 1,
+    joystiic_rx_horizontal, 2
+  )) {
+    printf("error hori\n");
+  }
+
+  joystiic_horizontal = ((uint16_t)joystiic_rx_horizontal[0] << 8) | joystiic_rx_horizontal[1];
+
+  if (joystiic_horizontal > (JOYSTIIC_CENTER + JOYSTIIC_DEADZONE)) {
+    if (!joystiic_triggered[JOYSTIIC_LEFT]) {
+      joystiic_triggered[JOYSTIIC_LEFT] = true;
+      joystiic_trigger(JOYSTIIC_LEFT, true);
+    }
+  } else {
+    if (joystiic_triggered[JOYSTIIC_LEFT]) {
+      joystiic_triggered[JOYSTIIC_LEFT] = false;
+      joystiic_trigger(JOYSTIIC_LEFT, false);
+    }
+  }
+
+  if (joystiic_horizontal < (JOYSTIIC_CENTER - JOYSTIIC_DEADZONE)) {
+    if (!joystiic_triggered[JOYSTIIC_RIGHT]) {
+      joystiic_triggered[JOYSTIIC_RIGHT] = true;
+      joystiic_trigger(JOYSTIIC_RIGHT, true);
+    }
+  } else {
+    if (joystiic_triggered[JOYSTIIC_RIGHT]) {
+      joystiic_triggered[JOYSTIIC_RIGHT] = false;
+      joystiic_trigger(JOYSTIIC_RIGHT, false);
+    }
+  }
+
+  // get vertical axis
+  joystiic_tx[0] = JOYSTIIC_COMMAND_VERTICAL;
+  if (MSG_OK != i2c_transmit_receive(JOYSTIIC_DEFAULT_ADDR << 1,
+    joystiic_tx, 1,
+    joystiic_rx_vertical, 2
+  )) {
+    printf("error vert\n");
+  }
+
+  joystiic_vertical = ((uint16_t)joystiic_rx_vertical[0] << 8) | joystiic_rx_vertical[1];
+
+  if (joystiic_vertical > (JOYSTIIC_CENTER + JOYSTIIC_DEADZONE)) {
+    if (!joystiic_triggered[JOYSTIIC_UP]) {
+      joystiic_triggered[JOYSTIIC_UP] = true;
+      joystiic_trigger(JOYSTIIC_UP, true);
+    }
+  } else {
+    if (joystiic_triggered[JOYSTIIC_UP]) {
+      joystiic_triggered[JOYSTIIC_UP] = false;
+      joystiic_trigger(JOYSTIIC_UP, false);
+    }
+  }
+
+  if (joystiic_vertical < (JOYSTIIC_CENTER - JOYSTIIC_DEADZONE)) {
+    if (!joystiic_triggered[JOYSTIIC_DOWN]) {
+      joystiic_triggered[JOYSTIIC_DOWN] = true;
+      joystiic_trigger(JOYSTIIC_DOWN, true);
+    }
+  } else {
+    if (joystiic_triggered[JOYSTIIC_DOWN]) {
+      joystiic_triggered[JOYSTIIC_DOWN] = false;
+      joystiic_trigger(JOYSTIIC_DOWN, false);
+    }
+  }
+
+  // get button press
+  joystiic_tx[0] = JOYSTIIC_COMMAND_BUTTON;
+  if (MSG_OK != i2c_transmit_receive(JOYSTIIC_DEFAULT_ADDR << 1,
+    joystiic_tx, 1,
+    joystiic_rx_button, 1
+  )) {
+    printf("error vert\n");
+  }
+
+  joystiic_button = joystiic_rx_button[0];
+
+  if (joystiic_button) {
+    if (!joystiic_triggered[JOYSTIIC_PRESS]) {
+      joystiic_triggered[JOYSTIIC_PRESS] = true;
+      joystiic_trigger(JOYSTIIC_PRESS, true);
+    }
+  } else {
+    if (joystiic_triggered[JOYSTIIC_PRESS]) {
+      joystiic_triggered[JOYSTIIC_PRESS] = false;
+      joystiic_trigger(JOYSTIIC_PRESS, false);
+    }
+  }
+
+  joystiic_update(joystiic_horizontal, joystiic_vertical, joystiic_button);
+
+  //printf("%d\n", joystiic[0]);
+
+  // SEND_STRING("H: ");
+  // send_word(joystiic_rx_horizontal[0]);
+  // tap_code(KC_SPACE);
+  // send_word(joystiic_rx_horizontal[1]);
+  // tap_code(KC_SPACE);
+}