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87 lines
2.5 KiB
87 lines
2.5 KiB
8 years ago
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#include "dichotemy.h"
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#include "pointing_device.h"
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#include "report.h"
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void uart_init(void) {
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SERIAL_UART_INIT();
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}
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void pointing_device_task(void){
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report_mouse_t currentReport = {};
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SERIAL_UART_INIT();
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uint32_t timeout = 0;
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//the m character requests the RF slave to send the mouse report
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SERIAL_UART_DATA = 'm';
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//trust the external inputs completely, erase old data
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uint8_t uart_data[5] = {0};
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//there are 10 bytes corresponding to 10 columns, and an end byte
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for (uint8_t i = 0; i < 5; i++) {
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//wait for the serial data, timeout if it's been too long
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//this only happened in testing with a loose wire, but does no
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//harm to leave it in here
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while(!SERIAL_UART_RXD_PRESENT){
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timeout++;
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if (timeout > 10000){
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break;
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}
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}
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uart_data[i] = SERIAL_UART_DATA;
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}
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//check for the end packet, bits 1-4 are movement and scroll
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//but bit 5 has bits 0-3 for the scroll button state
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//(1000 if pressed, 0000 if not) and bits 4-7 are always 1
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//We can use this to verify the report sent properly.
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if (uart_data[4] == 0x0F || uart_data[4] == 0x8F)
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{
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currentReport = pointing_device_get_report();
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//shifting and transferring the info to the mouse report varaible
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//mouseReport.x = 127 max -127 min
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currentReport.x = uart_data[0];
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//mouseReport.y = 127 max -127 min
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currentReport.y = uart_data[1];
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//mouseReport.v = 127 max -127 min (scroll vertical)
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currentReport.v = uart_data[2];
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//mouseReport.h = 127 max -127 min (scroll horizontal)
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currentReport.h = uart_data[3];
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//mouseReport.buttons = 0x31 max (bitmask for mouse buttons 1-5) 0x00 min
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//mouse buttons 1 and 2 are handled by the keymap, but not 3
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if (uart_data[4] == 0x0F) { //then 3 is not pressed
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currentReport.buttons &= ~MOUSE_BTN3; //MOUSE_BTN3 is def in report.h
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} else { //3 must be pressed
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currentReport.buttons |= MOUSE_BTN3;
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}
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pointing_device_set_report(currentReport);
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}
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pointing_device_send();
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}
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void led_init(void) {
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DDRD |= (1<<1);
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PORTD |= (1<<1);
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DDRF |= (1<<4) | (1<<5);
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PORTF |= (1<<4) | (1<<5);
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}
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void matrix_init_kb(void) {
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// put your keyboard start-up code here
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// runs once when the firmware starts up
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matrix_init_user();
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uart_init();
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led_init();
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}
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void matrix_scan_kb(void) {
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// put your looping keyboard code here
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// runs every cycle (a lot)
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matrix_scan_user();
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}
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void led_set_kb(uint8_t usb_led) {
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}
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