diff options
Diffstat (limited to 'keyboards/crkbd/keymaps/vlukash_trackpad_right/trackpad.c')
-rw-r--r-- | keyboards/crkbd/keymaps/vlukash_trackpad_right/trackpad.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/keyboards/crkbd/keymaps/vlukash_trackpad_right/trackpad.c b/keyboards/crkbd/keymaps/vlukash_trackpad_right/trackpad.c new file mode 100644 index 000000000..afccb8c7e --- /dev/null +++ b/keyboards/crkbd/keymaps/vlukash_trackpad_right/trackpad.c @@ -0,0 +1,78 @@ +#include "trackpad.h" + +// bool isScrollingMode = false; +bool isScrollMode = false; + +void pointing_device_init(void){ + + SPI_Init(SPI_SPEED_FCPU_DIV_8 | SPI_MODE_MASTER); + + // Set as output + TP_RESET_INIT; + TP_SHUTDOWN_INIT; + TP_CS_INIT; + LVL_SHIFT_EN_INIT; + + // Reset level shifter + LVL_SHIFT_EN_LO; + wait_ms(100); + LVL_SHIFT_EN_HI; + + // Force a BB-8520 reset + TP_RESET_HI; + wait_ms(100); + TP_RESET_LO; + + // Turn on BB-8520 trackpad + TP_SHUTDOWN_LO; + + TP_CS_HI; +} + +uint8_t readRegister(uint8_t address) { + uint8_t data; + + TP_CS_LO; + + // Read the data + SPI_TransferByte(address); + data = SPI_TransferByte(0x00); + + TP_CS_HI; + + return data; +} + +void pointing_device_task(void){ + uint8_t motion = readRegister(0x02); + + // Motion has occurred on the trackpad + if (motion > 127) { + + int8_t dx, dy; + + if(TRACKPAD_CONNECTOR_VER == 1) { + dx = readRegister(0x03); + dy = -readRegister(0x04); + } + else { + dy = -readRegister(0x03); + dx = -readRegister(0x04); + } + + report_mouse_t currentReport = pointing_device_get_report(); + if (isScrollMode) + { + currentReport.h = dx/SCROLL_SPEED_DIVIDER; + currentReport.v = dy/SCROLL_SPEED_DIVIDER; + } + else + { + currentReport.x = dx * POINTER_SPEED_MULTIPLIER; + currentReport.y = dy * POINTER_SPEED_MULTIPLIER; + } + + pointing_device_set_report(currentReport); + pointing_device_send(); + } +} |