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Introduces the changes mentioned by Ulao to increase saturn controller compatibility to 3rd parties and retro-bit. #6

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Introduces the changes mentioned by Ulao to increase saturn controller compatibility to 3rd parties and retro-bit. #6

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be25cc6
Update Saturn_In.c
mathieulh Jan 26, 2020
8ec29b8
Merge remote-tracking branch 'upstream/master'
mathieulh Feb 13, 2020
ccb45df
Releases
mathieulh Feb 13, 2020
31b6689
Revert "Releases"
mathieulh Feb 13, 2020
72450c4
Revert "Merge remote-tracking branch 'upstream/master'"
mathieulh Feb 13, 2020
4a0fc83
Merge remote-tracking branch 'upstream/master'
mathieulh Feb 14, 2020
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43 changes: 25 additions & 18 deletions firmware/Input/Pads/Saturn_In.c
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Original file line number Diff line number Diff line change
Expand Up @@ -24,7 +24,7 @@
#include "Saturn_In.h"
#include "Util.h"

#define DELAY 4
#define DELAY 7

uint8_t Saturn_In_Init(void) {
// D1
Expand Down Expand Up @@ -63,28 +63,29 @@ static uint16_t saturn_read(void) {

/*
* S0 S1 D0 d1 d2 d3
* Off Off Z Y X R
* On Off B C A St
* Off On Up Dn Lt Rt
* On On - - - L
* Off On Up Dn Lt Rt
* On Off B C A St
* Off Off Z Y X R
* Off Off
*/

// Reading L
bit_set(PORTF, 1 << 1);
bit_set(PORTF, 1 << 5);
_delay_us(DELAY);

retval |= (!bit_check(PINE, 6) << 12); // L

// Reading Z, Y, X and R
// Reading Up, Down, Left, Right
bit_clear(PORTF, 1 << 1);
bit_clear(PORTF, 1 << 5);
bit_set(PORTF, 1 << 5);
_delay_us(DELAY);

retval |= (!bit_check(PINF, 0) << 0); // Z
retval |= (!bit_check(PINF, 6) << 1); // Y
retval |= (!bit_check(PINC, 7) << 2); // X
retval |= (!bit_check(PINE, 6) << 3); // R
retval |= (!bit_check(PINF, 0) << 8); // Up
retval |= (!bit_check(PINF, 6) << 9); // Down
retval |= (!bit_check(PINC, 7) << 10); // Left
retval |= (!bit_check(PINE, 6) << 11); // Right


// Reading B, C, A and Start
Expand All @@ -96,17 +97,23 @@ static uint16_t saturn_read(void) {
retval |= (!bit_check(PINF, 6) << 5); // C
retval |= (!bit_check(PINC, 7) << 6); // A
retval |= (!bit_check(PINE, 6) << 7); // Start

// Reading Z, Y, X and R
bit_clear(PORTF, 1 << 1);
bit_clear(PORTF, 1 << 5);
_delay_us(DELAY);


// Reading Up, Down, Left, Right
retval |= (!bit_check(PINF, 0) << 0); // Z
retval |= (!bit_check(PINF, 6) << 1); // Y
retval |= (!bit_check(PINC, 7) << 2); // X
retval |= (!bit_check(PINE, 6) << 3); // R

bit_clear(PORTF, 1 << 1);
bit_set(PORTF, 1 << 5);
bit_clear(PORTF, 1 << 5);
_delay_us(DELAY);

retval |= (!bit_check(PINF, 0) << 8); // Up
retval |= (!bit_check(PINF, 6) << 9); // Down
retval |= (!bit_check(PINC, 7) << 10); // Left
retval |= (!bit_check(PINE, 6) << 11); // Right



return retval;
}
Expand Down