From: hackbard Date: Fri, 7 Sep 2007 17:00:24 +0000 (+0200) Subject: finished/fixed button api X-Git-Url: https://hackdaworld.org/gitweb/?a=commitdiff_plain;h=98d1a9b9cbb24b2b182cf86ed2520d398959ec44;p=my-code%2Farm.git finished/fixed button api --- diff --git a/betty/buttons.c b/betty/buttons.c index 15298a3..9eb99b5 100644 --- a/betty/buttons.c +++ b/betty/buttons.c @@ -7,11 +7,11 @@ #include "buttons.h" -void button_init(void) { +void button_init(t_button *button) { /* * select as input the following pins - * - p0.30 : interrupt, wtf is the 'vw 3 p9'? + * - p0.30 : interrupt! wtf is the 'vw 3 p9'? * - p0.28, p0.27, p3.21, p3.20, p0.22, p0.13 : column select * * select as output @@ -24,38 +24,61 @@ void button_init(void) { PINSEL1&=~((1<<23)|(1<<22)); // p0.27 PINSEL1&=~((1<<13)|(1<<12)); // p0.22 PINSEL0&=~((1<<27)|(1<<26)); // p0.13 + // ctrl databus for p2.18 - p2.24 PINSEL2&=(PINSEL2&(~((1<<5)|(1<<4))))|(1<<4); + // ctrl addr bus for p3.20, p3.21 PINSEL2=(PINSEL2&(~((1<<27)|(1<<26)|(1<<25))))|(1<<27)|(1<<26); + // input IODIR0&=~((1<<30)|(1<<28)|(1<<27)|(1<<22)|(1<<13)); IODIR3&=~((1<<21)|(1<<20)); + // output + pull them high IODIR2|=((1<<18)|(1<<19)|(1<<20)|(1<<21)|(1<<22)|(1<<23)|(1<<24)); IOSET2=((1<<18)|(1<<19)|(1<<20)|(1<<21)|(1<<22)|(1<<23)|(1<<24)); + + /* poll / interrupt mode */ + if(button->mode&BUTTON_INT) { + } + else if(button->mode&BUTTON_POLL) { + } } +void button_set_retries(t_button *button,int retries) { + + button->retries=retries; +} + +#define BUTTON_RESET \ + IOSET2=((1<<18)|(1<<19)|(1<<20)|(1<<21)|(1<<22)|(1<<23)|(1<<24)) + void button_select_row(u8 row) { - IOSET2=((1<<18)|(1<<19)|(1<<20)|(1<<21)|(1<<22)|(1<<23)|(1<<24)); + BUTTON_RESET; if(row>6) return; IOCLR2=(1<<(18+row)); } -u8 button_get_event(u64 *keys,int retries) { +#define COUNT_AND_CHECK cnt++; \ + if(cnt==BUTTON_MAX) \ + break + +u8 button_get_event(t_button *button) { u8 row; u8 offset; u8 cnt; u32 port0,port3; + u8 retries; - *keys=0; cnt=0; + retries=button->retries; while(retries--) { - /* rest counter */ + /* rest offset counter */ offset=0; /* rows */ for(row=0;row<7;row++) { @@ -63,37 +86,40 @@ u8 button_get_event(u64 *keys,int retries) { button_select_row(row); /* scan the columns 6 */ port0=IOPIN0; - port3=IOPIN2; + port3=IOPIN3; if(!(port0&(1<<28))) { - *keys|=(1<<(offset+0)); - cnt+=1; + button->key[cnt]=offset+0; + COUNT_AND_CHECK; } if(!(port0&(1<<27))) { - *keys|=(1<<(offset+1)); - cnt+=1; + button->key[cnt]=offset+1; + COUNT_AND_CHECK; } if(!(port0&(1<<22))) { - *keys|=(1<<(offset+2)); - cnt+=1; + button->key[cnt]=offset+2; + COUNT_AND_CHECK; } if(!(port0&(1<<13))) { - *keys|=(1<<(offset+3)); - cnt+=1; + button->key[cnt]=offset+3; + COUNT_AND_CHECK; } if(!(port3&(1<<21))) { - *keys|=(1<<(offset+4)); - cnt+=1; + button->key[cnt]=offset+4; + COUNT_AND_CHECK; } if(!(port3&(1<<20))) { - *keys|=(1<<(offset+5)); - cnt+=1; + button->key[cnt]=offset+5; + COUNT_AND_CHECK; } offset+=6; } - if(*keys) + if(cnt) break; } + BUTTON_RESET; + button->cnt=cnt; + return cnt; } diff --git a/betty/buttons.h b/betty/buttons.h index e4016b1..3c69ad0 100644 --- a/betty/buttons.h +++ b/betty/buttons.h @@ -11,8 +11,66 @@ /* includes */ #include "betty.h" +/* defines */ +#define BUTTON_MAX 8 +#define BUTTON_INT (1<<0) +#define BUTTON_POLL (1<<1) + +/* typedefs */ +typedef struct s_button { + unsigned char mode; // mode of the button api + int retries; // amount of retries per event capture + unsigned char cnt; // amount of recognized key presses + unsigned char key[BUTTON_MAX]; // pressed keys +} t_button; + /* function prototypes */ -void button_init(void); -unsigned char button_get_event(unsigned long long int *keys,int retries); +void button_init(t_button *button); +void button_set_retries(t_button *button,int retries); +unsigned char button_get_event(t_button *button); + +/* button definitions */ +#define BUTTON_A 0x04 +#define BUTTON_B 0x03 +#define BUTTON_C 0x02 +#define BUTTON_D 0x08 +#define BUTTON_BETTY 0x0a +#define BUTTON_EXIT 0x14 +#define BUTTON_UP 0x09 +#define BUTTON_DOWN 0x1b +#define BUTTON_RIGHT 0x0e +#define BUTTON_LEFT 0x0f +#define BUTTON_OK 0x15 +#define BUTTON_VOL_UP 0x10 +#define BUTTON_VOL_DOWN 0x16 +#define BUTTON_PRG_UP 0x1a +#define BUTTON_PRG_DOWN 0x20 +#define BUTTON_MUTE 0x21 +#define BUTTON_1 0x05 +#define BUTTON_2 0x27 +#define BUTTON_3 0x26 +#define BUTTON_4 0x0b +#define BUTTON_5 0x00 +#define BUTTON_6 0x01 +#define BUTTON_7 0x11 +#define BUTTON_8 0x06 +#define BUTTON_9 0x07 +#define BUTTON_SHIFT 0x17 +#define BUTTON_0 0x0c +#define BUTTON_AV 0x0d +#define BUTTON_MENU 0x1c +#define BUTTON_PIP 0x1d +#define BUTTON_A_B 0x12 +#define BUTTON_16_9 0x13 +#define BUTTON_INFO 0x22 +#define BUTTON_TV1 0x23 +#define BUTTON_TV2 0x18 +#define BUTTON_TV3 0x19 +#define BUTTON_RED 0x28 +#define BUTTON_GREEN 0x29 +#define BUTTON_YELLOW 0x1e +#define BUTTON_BLUE 0x1f +#define BUTTON_TV 0x24 +#define BUTTON_POWER 0x25 #endif