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path: root/drivers/sensors/pimoroni_trackball.c
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Diffstat (limited to 'drivers/sensors/pimoroni_trackball.c')
-rw-r--r--drivers/sensors/pimoroni_trackball.c187
1 files changed, 39 insertions, 148 deletions
diff --git a/drivers/sensors/pimoroni_trackball.c b/drivers/sensors/pimoroni_trackball.c
index 48098ff0cc..7d390056ea 100644
--- a/drivers/sensors/pimoroni_trackball.c
+++ b/drivers/sensors/pimoroni_trackball.c
@@ -17,73 +17,55 @@
#include "pimoroni_trackball.h"
#include "i2c_master.h"
#include "print.h"
-
-#ifndef PIMORONI_TRACKBALL_ADDRESS
-# define PIMORONI_TRACKBALL_ADDRESS 0x0A
-#endif
-#ifndef PIMORONI_TRACKBALL_INTERVAL_MS
-# define PIMORONI_TRACKBALL_INTERVAL_MS 8
-#endif
-#ifndef PIMORONI_TRACKBALL_MOUSE_SCALE
-# define PIMORONI_TRACKBALL_MOUSE_SCALE 5
-#endif
-#ifndef PIMORONI_TRACKBALL_SCROLL_SCALE
-# define PIMORONI_TRACKBALL_SCROLL_SCALE 1
-#endif
-#ifndef PIMORONI_TRACKBALL_DEBOUNCE_CYCLES
-# define PIMORONI_TRACKBALL_DEBOUNCE_CYCLES 20
-#endif
-#ifndef PIMORONI_TRACKBALL_ERROR_COUNT
-# define PIMORONI_TRACKBALL_ERROR_COUNT 10
-#endif
-
-#define TRACKBALL_TIMEOUT 100
-#define TRACKBALL_REG_LED_RED 0x00
-#define TRACKBALL_REG_LED_GRN 0x01
-#define TRACKBALL_REG_LED_BLU 0x02
-#define TRACKBALL_REG_LED_WHT 0x03
-#define TRACKBALL_REG_LEFT 0x04
-#define TRACKBALL_REG_RIGHT 0x05
-#define TRACKBALL_REG_UP 0x06
-#define TRACKBALL_REG_DOWN 0x07
-
-static pimoroni_data current_pimoroni_data;
-static report_mouse_t mouse_report;
-static bool scrolling = false;
-static int16_t x_offset = 0;
-static int16_t y_offset = 0;
-static int16_t h_offset = 0;
-static int16_t v_offset = 0;
-static uint16_t precision = 128;
-static uint8_t error_count = 0;
-
-float trackball_get_precision(void) { return ((float)precision / 128); }
-void trackball_set_precision(float floatprecision) { precision = (floatprecision * 128); }
-bool trackball_is_scrolling(void) { return scrolling; }
-void trackball_set_scrolling(bool scroll) { scrolling = scroll; }
-
-void trackball_set_rgbw(uint8_t r, uint8_t g, uint8_t b, uint8_t w) {
+#include "debug.h"
+#include "timer.h"
+
+// clang-format off
+#define PIMORONI_TRACKBALL_REG_LED_RED 0x00
+#define PIMORONI_TRACKBALL_REG_LED_GRN 0x01
+#define PIMORONI_TRACKBALL_REG_LED_BLU 0x02
+#define PIMORONI_TRACKBALL_REG_LED_WHT 0x03
+#define PIMORONI_TRACKBALL_REG_LEFT 0x04
+#define PIMORONI_TRACKBALL_REG_RIGHT 0x05
+#define PIMORONI_TRACKBALL_REG_UP 0x06
+#define PIMORONI_TRACKBALL_REG_DOWN 0x07
+// clang-format on
+
+static uint16_t precision = 128;
+
+float pimoroni_trackball_get_precision(void) { return ((float)precision / 128); }
+void pimoroni_trackball_set_precision(float floatprecision) { precision = (floatprecision * 128); }
+
+void pimoroni_trackball_set_rgbw(uint8_t r, uint8_t g, uint8_t b, uint8_t w) {
uint8_t data[4] = {r, g, b, w};
- __attribute__((unused)) i2c_status_t status = i2c_writeReg(PIMORONI_TRACKBALL_ADDRESS << 1, TRACKBALL_REG_LED_RED, data, sizeof(data), TRACKBALL_TIMEOUT);
-#ifdef TRACKBALL_DEBUG
- dprintf("Trackball RGBW i2c_status_t: %d\n", status);
+ __attribute__((unused)) i2c_status_t status = i2c_writeReg(PIMORONI_TRACKBALL_ADDRESS << 1, PIMORONI_TRACKBALL_REG_LED_RED, data, sizeof(data), PIMORONI_TRACKBALL_TIMEOUT);
+
+#ifdef CONSOLE_ENABLE
+ if (debug_mouse) dprintf("Trackball RGBW i2c_status_t: %d\n", status);
#endif
}
-i2c_status_t read_pimoroni_trackball(pimoroni_data* data) {
- i2c_status_t status = i2c_readReg(PIMORONI_TRACKBALL_ADDRESS << 1, TRACKBALL_REG_LEFT, (uint8_t*)data, sizeof(*data), TRACKBALL_TIMEOUT);
-#ifdef TRACKBALL_DEBUG
- dprintf("Trackball READ i2c_status_t: %d\nLeft: %d\nRight: %d\nUp: %d\nDown: %d\nSwtich: %d\n", status, data->left, data->right, data->up, data->down, data->click);
+i2c_status_t read_pimoroni_trackball(pimoroni_data_t* data) {
+ i2c_status_t status = i2c_readReg(PIMORONI_TRACKBALL_ADDRESS << 1, PIMORONI_TRACKBALL_REG_LEFT, (uint8_t*)data, sizeof(*data), PIMORONI_TRACKBALL_TIMEOUT);
+#ifdef CONSOLE_ENABLE
+ if (debug_mouse) {
+ static uint16_t d_timer;
+ if (timer_elapsed(d_timer) > PIMORONI_TRACKBALL_DEBUG_INTERVAL) {
+ dprintf("Trackball READ i2c_status_t: %d L: %d R: %d Up: %d D: %d SW: %d\n", status, data->left, data->right, data->up, data->down, data->click);
+ d_timer = timer_read();
+ }
+ }
#endif
+
return status;
}
-__attribute__((weak)) void pointing_device_init(void) {
+__attribute__((weak)) void pimironi_trackball_device_init(void) {
i2c_init();
- trackball_set_rgbw(0x00, 0x00, 0x00, 0x00);
+ pimoroni_trackball_set_rgbw(0x00, 0x00, 0x00, 0x00);
}
-int16_t trackball_get_offsets(uint8_t negative_dir, uint8_t positive_dir, uint8_t scale) {
+int16_t pimoroni_trackball_get_offsets(uint8_t negative_dir, uint8_t positive_dir, uint8_t scale) {
uint8_t offset = 0;
bool isnegative = false;
if (negative_dir > positive_dir) {
@@ -96,7 +78,7 @@ int16_t trackball_get_offsets(uint8_t negative_dir, uint8_t positive_dir, uint8_
return isnegative ? -(int16_t)(magnitude) : (int16_t)(magnitude);
}
-void trackball_adapt_values(int8_t* mouse, int16_t* offset) {
+void pimoroni_trackball_adapt_values(int8_t* mouse, int16_t* offset) {
if (*offset > 127) {
*mouse = 127;
*offset -= 127;
@@ -108,94 +90,3 @@ void trackball_adapt_values(int8_t* mouse, int16_t* offset) {
*offset = 0;
}
}
-
-__attribute__((weak)) void trackball_click(bool pressed, report_mouse_t* mouse) {
-#ifdef PIMORONI_TRACKBALL_CLICK
- if (pressed) {
- mouse->buttons |= MOUSE_BTN1;
- } else {
- mouse->buttons &= ~MOUSE_BTN1;
- }
-#endif
-}
-
-__attribute__((weak)) bool pointing_device_task_user(pimoroni_data* trackball_data) { return true; };
-
-__attribute__((weak)) void pointing_device_task() {
- static fast_timer_t throttle = 0;
- static uint16_t debounce = 0;
-
- if (error_count < PIMORONI_TRACKBALL_ERROR_COUNT && timer_elapsed_fast(throttle) >= PIMORONI_TRACKBALL_INTERVAL_MS) {
- i2c_status_t status = read_pimoroni_trackball(&current_pimoroni_data);
-
- if (status == I2C_STATUS_SUCCESS) {
- error_count = 0;
-
- if (pointing_device_task_user(&current_pimoroni_data)) {
- mouse_report = pointing_device_get_report();
-
- if (!(current_pimoroni_data.click & 128)) {
- trackball_click(false, &mouse_report);
- if (!debounce) {
- if (scrolling) {
-#ifdef PIMORONI_TRACKBALL_INVERT_X
- h_offset += trackball_get_offsets(current_pimoroni_data.right, current_pimoroni_data.left, PIMORONI_TRACKBALL_SCROLL_SCALE);
-#else
- h_offset -= trackball_get_offsets(current_pimoroni_data.right, current_pimoroni_data.left, PIMORONI_TRACKBALL_SCROLL_SCALE);
-#endif
-#ifdef PIMORONI_TRACKBALL_INVERT_Y
- v_offset += trackball_get_offsets(current_pimoroni_data.down, current_pimoroni_data.up, PIMORONI_TRACKBALL_SCROLL_SCALE);
-#else
- v_offset -= trackball_get_offsets(current_pimoroni_data.down, current_pimoroni_data.up, PIMORONI_TRACKBALL_SCROLL_SCALE);
-#endif
- } else {
-#ifdef PIMORONI_TRACKBALL_INVERT_X
- x_offset -= trackball_get_offsets(current_pimoroni_data.right, current_pimoroni_data.left, PIMORONI_TRACKBALL_MOUSE_SCALE);
-#else
- x_offset += trackball_get_offsets(current_pimoroni_data.right, current_pimoroni_data.left, PIMORONI_TRACKBALL_MOUSE_SCALE);
-#endif
-#ifdef PIMORONI_TRACKBALL_INVERT_Y
- y_offset -= trackball_get_offsets(current_pimoroni_data.down, current_pimoroni_data.up, PIMORONI_TRACKBALL_MOUSE_SCALE);
-#else
- y_offset += trackball_get_offsets(current_pimoroni_data.down, current_pimoroni_data.up, PIMORONI_TRACKBALL_MOUSE_SCALE);
-#endif
- }
- if (scrolling) {
-#ifndef PIMORONI_TRACKBALL_ROTATE
- trackball_adapt_values(&mouse_report.h, &h_offset);
- trackball_adapt_values(&mouse_report.v, &v_offset);
-#else
- trackball_adapt_values(&mouse_report.h, &v_offset);
- trackball_adapt_values(&mouse_report.v, &h_offset);
-#endif
- mouse_report.x = 0;
- mouse_report.y = 0;
- } else {
-#ifndef PIMORONI_TRACKBALL_ROTATE
- trackball_adapt_values(&mouse_report.x, &x_offset);
- trackball_adapt_values(&mouse_report.y, &y_offset);
-#else
- trackball_adapt_values(&mouse_report.x, &y_offset);
- trackball_adapt_values(&mouse_report.y, &x_offset);
-#endif
- mouse_report.h = 0;
- mouse_report.v = 0;
- }
- } else {
- debounce--;
- }
- } else {
- trackball_click(true, &mouse_report);
- debounce = PIMORONI_TRACKBALL_DEBOUNCE_CYCLES;
- }
- }
- } else {
- error_count++;
- }
-
- pointing_device_set_report(mouse_report);
- pointing_device_send();
-
- throttle = timer_read_fast();
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-06 20:38:47 +0000