7u83/stc_rpncalc
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

do not compile with stack auto, change functions to be nonreentrant, use fixed parameters

Browse Source 
- frees up ~4KB of code space
This commit is contained in:
Jeff Wang
2019-05-02 03:27:01 -04:00
parent 6399cbf44f
commit 0049f3df98
15 changed files with 121 additions and 104 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
src/key.c
View File

@ -24,10 +24,10 @@ const char state_names[4][32] = {
#define M_COLS 4
uint8_t Keys[TOTAL_ROWS]; //only bottom nibbles get set
__idata uint8_t Keys[TOTAL_ROWS]; //only bottom nibbles get set
int8_t NewKeyPressed; //row*M_COLS + col, see KEY_MAP[] in main.c
static uint8_t last_state[TOTAL_ROWS]; //all used, 2 bits per key
static int8_t last_count[TOTAL_ROWS][M_COLS]; //all used
__idata static uint8_t last_state[TOTAL_ROWS]; //all used, 2 bits per key
__idata static int8_t last_count[TOTAL_ROWS][M_COLS]; //all used
static uint8_t unexpected_count; //count of unexpected transitions
static const int8_t COUNT_LIM_LOW = -30;
@ -52,7 +52,7 @@ void KeyInit(void){
}
}
static void raw_scan(void){
void raw_scan(void){
static uint8_t i = 0;
static const uint8_t data[] = {
0,0,0,0,0,0,0,0,0,0,0,0,
@ -102,7 +102,8 @@ void KeyInit(void){
NewKeyPressed = -1;
}
static void raw_scan(void){
#pragma nooverlay
void raw_scan(void) __using(1){
//top row not part of matrix
static const uint8_t M_ROWS = 4;
uint8_t i, j;
@ -137,7 +138,8 @@ static void raw_scan(void){
//based on quick draw/integrator hybrid debounce algorithm from
//https://summivox.wordpress.com/2016/06/03/keyboard-matrix-scanning-and-debouncing/
static void debounce(void){
#pragma nooverlay
void debounce(void) __using(1){
uint8_t i, j;
NewKeyPressed = -1; //initially
// new_keys_pressed = 0; //initially
@ -226,11 +228,6 @@ static void debounce(void){
}
void KeyScan(void){
raw_scan();
debounce();
}
#ifdef DEBUG_KEYS
const uint8_t* DebugGetKeys(void){
return keys;