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(going to change a function)

partial-rewrite
Ben Blazak 2013-04-01 00:38:47 -07:00
parent 02fd5471ae
commit e036276dd0
1 changed files with 42 additions and 3 deletions
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45
firmware/lib/layout/key-functions/basic.c
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@ -9,6 +9,7 @@
* ".../firmware/lib/layout/key-functions.h"
*/
#include <stdbool.h>
#include <stdint.h>
#include <avr/pgmspace.h>
#include "../../../../firmware/lib/usb.h"
@ -44,17 +45,55 @@ void kf__layer__pop(uint16_t id__ignore) {
}
void kf__macro__progmem(uint16_t pointer) { // TODO: test
uint16_t last_element = pointer + 2 * (uint16_t) pgm_read_word(pointer);
uint16_t last_element = pointer + 4 * (uint16_t) pgm_read_word(pointer);
kf__function_pointer_t function;
uint16_t argument;
for(pointer += 1; pointer <= last_element; pointer += 2) {
for(pointer += 2; pointer <= last_element; pointer += 4) {
function = (kf__function_pointer_t) pgm_read_word( pointer );
argument = (uint16_t) pgm_read_word( pointer+1 );
argument = (uint16_t) pgm_read_word( pointer+2 );
if (function)
(*function)(argument);
}
}
// TODO: write documentation for this function
// TODO: this is a mistakenly written function; i'm going to change it. what
// we really want is a way to generate a "press" above a certain
// threshold, and "release" going back the other way; this function would
// make that possible, since it's quite general, but difficult and
// space-consuming.
static void _chord__progmem(bool pressed, uint16_t pointer) { // TODO: test
#define funptr kf__function_pointer_t
uint8_t * count = (uint8_t *) pgm_read_word( pointer );
uint16_t threshold = (uint16_t) pgm_read_word( pointer+2 );
funptr function = (funptr) pgm_read_word( pointer+4 );
uint16_t argument = (uint16_t) pgm_read_word( pointer+6 );
uint16_t direction__comparison = (uint16_t) pgm_read_word( pointer+8 );
#undef funptr
char direction = ((char)(behavior >> 8));
char comparison = ((char)(behavior & 0xff));
if (pressed) *count++;
else *count--;
if ( (pressed && direction == 'p') ||
(!pressed && direction == 'r') )
if ( (comparison == '=' && *count == threshold) ||
(comparison == '<' && *count < threshold) ||
(comparison == '>' && *count > threshold) )
if (function)
(*function)();
}
void kf__chord__press__progmem(uint16_t pointer) {
_chord__progmem(true, pointer);
}
void kf__chord__release__progmem(uint16_t pointer) {
_chord__progmem(false, pointer);
}