2 #include "pointing_device.h"
9 void pointing_device_task(void){
10 report_mouse_t currentReport = {};
14 //the m character requests the RF slave to send the mouse report
15 SERIAL_UART_DATA = 'm';
17 //trust the external inputs completely, erase old data
18 uint8_t uart_data[5] = {0};
20 //there are 10 bytes corresponding to 10 columns, and an end byte
21 for (uint8_t i = 0; i < 5; i++) {
22 //wait for the serial data, timeout if it's been too long
23 //this only happened in testing with a loose wire, but does no
24 //harm to leave it in here
25 while(!SERIAL_UART_RXD_PRESENT){
31 uart_data[i] = SERIAL_UART_DATA;
34 //check for the end packet, bits 1-4 are movement and scroll
35 //but bit 5 has bits 0-3 for the scroll button state
36 //(1000 if pressed, 0000 if not) and bits 4-7 are always 1
37 //We can use this to verify the report sent properly.
38 if (uart_data[4] == 0x0F || uart_data[4] == 0x8F)
40 currentReport = pointing_device_get_report();
41 //shifting and transferring the info to the mouse report varaible
42 //mouseReport.x = 127 max -127 min
43 currentReport.x = uart_data[0];
44 //mouseReport.y = 127 max -127 min
45 currentReport.y = uart_data[1];
46 //mouseReport.v = 127 max -127 min (scroll vertical)
47 currentReport.v = uart_data[2];
48 //mouseReport.h = 127 max -127 min (scroll horizontal)
49 currentReport.h = uart_data[3];
50 //mouseReport.buttons = 0x31 max (bitmask for mouse buttons 1-5) 0x00 min
51 //mouse buttons 1 and 2 are handled by the keymap, but not 3
52 if (uart_data[4] == 0x0F) { //then 3 is not pressed
53 currentReport.buttons &= ~MOUSE_BTN3; //MOUSE_BTN3 is def in report.h
54 } else { //3 must be pressed
55 currentReport.buttons |= MOUSE_BTN3;
57 pointing_device_set_report(currentReport);
59 pointing_device_send();
65 DDRF |= (1<<4) | (1<<5);
66 PORTF |= (1<<4) | (1<<5);
70 void matrix_init_kb(void) {
71 // put your keyboard start-up code here
72 // runs once when the firmware starts up
78 void matrix_scan_kb(void) {
79 // put your looping keyboard code here
80 // runs every cycle (a lot)
84 void led_set_kb(uint8_t usb_led) {