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[ion] Preliminary keyboard on device

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This commit is contained in:
Romain Goyet
2015-09-18 10:56:27 +02:00
parent 46e3e614bf
commit c6bde2f92c
1 changed files with 48 additions and 24 deletions
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72
ion/src/keyboard.c
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@@ -2,43 +2,67 @@
#include <string.h>
char charForKey[ION_NUMBER_OF_KEYS] = {
'A',
'B',
'C',
'D',
'E',
'F',
'G',
'H',
'I',
'J',
'K',
'L',
'M',
'N',
'O',
'P',
'Q',
'R',
'S',
'T',
'U',
'V',
'W',
'X',
'Y',
'Z',
'0',
'1',
'2',
'3',
'/',
'^',
'.'
'4',
'5',
'6',
'7',
'8'
};
char ion_getchar() {
while (1) {
ion_sleep();
if (ion_key_state(0)) {
return charForKey[0];
}
/*
for (ion_key_t k=0;k<ION_NUMBER_OF_KEYS; k++) {
if (ion_key_state(k)) {
return charForKey[k];
}
}
*/
}
/*
bool key_states[ION_NUMBER_OF_KEYS];
memcpy(key_states, ion_key_states, ION_NUMBER_OF_KEYS);
while (1) {
for (int k=0; k<ION_NUMBER_OF_KEYS; k++) {
if (ion_key_states[k]) {
if (!key_states[k]) {
return charForKey[k];
}
} else {
// Key k is down. So if we ever see it up, we'll want to return a char.
key_states[k] = 0;
}
}
ion_sleep();
}
*/
bool key_states[ION_NUMBER_OF_KEYS];
memcpy(key_states, ion_key_states, ION_NUMBER_OF_KEYS);
while (1) {
for (int k=0; k<ION_NUMBER_OF_KEYS; k++) {
if (ion_key_states[k]) {
if (!key_states[k]) {
return charForKey[k];
}
} else {
// Key k is down. So if we ever see it up, we'll want to return a char.
key_states[k] = 0;
}
}
ion_sleep();
}
*/
}