X-Git-Url: https://hackdaworld.org/gitweb/?a=blobdiff_plain;f=betty%2Fbetty.c;h=427d32b57cdae5f118ce289165501ec137606fb2;hb=8d3d33c4904bfbdc95b290c5e5e6e60c92e30d7a;hp=81b4687e2f18566f931a4e397e0a5b9ccddc3915;hpb=def8902c1681a94ccb70d90cc855aedbc6a9e918;p=my-code%2Farm.git diff --git a/betty/betty.c b/betty/betty.c index 81b4687..427d32b 100644 --- a/betty/betty.c +++ b/betty/betty.c @@ -5,304 +5,111 @@ * */ -/* - * includes - */ - -#include "lpc2xxx.h" +/* includes */ +#include "betty.h" /* - * defines + * functions */ -/* bank 0/2 and boootloader addr/size */ -#define BANK0 0x80000000 -#define BANK1 0x81000000 -#define BANK2 0x82000000 -#define BANK_SIZE 0x00100000 -#define BOOTLOADER 0x7fffe000 -#define BL_SIZE 0x00002000 - -/* flash cmd addresses - flash[0-18] <--> arm[1-19]*/ -#define B0F555 (*((volatile unsigned short *)(BANK0|0xaaa))) // 0x555 -#define B0F2AA (*((volatile unsigned short *)(BANK0|0x554))) // 0x2aa -#define B0F (*((volatile unsigned short *)(BANK0))) -#define B2F555 (*((volatile unsigned short *)(BANK2|0xaaa))) // 0x555 -#define B2F2AA (*((volatile unsigned short *)(BANK2|0x554))) // 0x2aa -#define B2F (*((volatile unsigned short *)(BANK2))) - -/* lcd command and data addresses */ -#define LCD_CMD (*((volatile unsigned char *)(BANK1))) -#define LCD_DATA (*((volatile unsigned char *)(BANK1+1))) +#define cc1100_init spi1_init(8,SPI_MASTER,8) /* - * type definitions + * main function */ -typedef unsigned char u8; -typedef unsigned short u16; -typedef unsigned int u32; - - /* - * functions - */ - -void mmap_init(u8 memtype) { - - MEMMAP=memtype; -} - -void pll_init(void) { +int main() { - /* configuration */ - PLLCFG=0x42; // multiplier = 3 (for cclk), dividor = 4 (for f_cco) - PLLCON=0x03; // enable and set as clk source for the lpc - /* feed sequence */ - PLLFEED=0xaa; - PLLFEED=0x55; - /* wait for lock */ - while(!(PLLSTAT&(1<<10))) - continue; -} + char announce[]="betty - live from flash at 0x80000000! ;)\r\n"; + t_button button; + u8 contrast; -void ext_mem_bank_init(void) { + /* system init */ + pll_init(); + pin_init(); + ext_mem_init(); + + /* uart init */ + uart0_init(); - BCFG0=0x10000420; // flash 1 - BCFG1=0x00000c42; // lcd - BCFG2=0x10000420; // flash 2 -} + /* display init */ + display_bl_init(); + /* button init */ + button_init(&button); + button_set_retries(&button,100); -void pin_select_init() { + /* flash init */ + flash_init(); /* - * a[19:2] -> address lines + * start it ... */ - PINSEL2=0x0d6041d4; -} - -void uart0_init(void) { - - PINSEL0=0x05; // pin select -> tx, rx - UART0_FCR=0x07; // enable fifo - UART0_LCR=0x83; // set dlab + word length - UART0_DLL=0x04; // br: 38400 @ 10/4 mhz - UART0_DLM=0x00; - UART0_LCR=0x03; // unset dlab -} - -void uart0_send_string(char *txbuf) { - - int i; - - i=0; - - while(txbuf[i]) { - UART0_THR=txbuf[i++]; - /* flush if tx buffer maximum reached */ - if(!(i%16)) - while(!(UART0_LSR&(1<<6))) - continue; - } - - /* flush if \n and \r do not fit in the tx buffer */ - if(i>14) - while(!(UART0_LSR&(1<<6))) - continue; - - UART0_THR='\n'; - UART0_THR='\r'; - - /* flush uart0 anyways */ - while(!(UART0_LSR&(1<<6))) - continue; -} - -void uart0_send_buf16(u16 *buf,int len) { - - int i; - - i=0; - - for(i=0;i>8)&0xff; - } -} - -void uart0_send_buf32(u32 *buf,int len) { - - int i; - - i=0; - - for(i=0;i>8)&0xff; - UART0_THR=(buf[i]>>16)&0xff; - UART0_THR=(buf[i]>>24)&0xff; - } -} - -void uart0_send_byte(u8 send) { - - while(!(UART0_LSR&(1<<5))) - continue; - - UART0_THR=send; -} - -u8 uart0_get_byte(void) { + /* display init */ + display_bl_toggle(); + display_init(); + contrast=0x38; - u8 rx; + /* pasue again */ - while(!(UART0_LSR&(1<<0))) - continue; + /* announce */ + uart0_send_string(announce); - rx=UART0_RBR; - - return rx; -} - -void pause(int cnt) { - - while(cnt--) - asm volatile ("nop"); -} -void init_lcd(u8 s) { - - LCD_CMD=0xe1; // ? - LCD_CMD=0xe2; - pause(48000); - LCD_CMD=0xab; - LCD_CMD=0x27; - LCD_CMD=0x81; - LCD_CMD=0x3f; - LCD_CMD=0x65; - LCD_CMD=0x60; - LCD_CMD=0x1c; - LCD_CMD=0x61; - LCD_CMD=0x0a; - LCD_CMD=0x62; - LCD_CMD=0x75; - LCD_CMD=0x63; - LCD_CMD=0x81; - LCD_CMD=0x90; - LCD_CMD=0x88; - LCD_CMD=0x00; - LCD_CMD=0x89; - LCD_CMD=0x00; - LCD_CMD=0x8a; - LCD_CMD=0x33; - LCD_CMD=0x8b; - LCD_CMD=0x33; - LCD_CMD=0x8c; - LCD_CMD=0x66; - LCD_CMD=0x8d; - LCD_CMD=0x66; - LCD_CMD=0x8e; - LCD_CMD=0x99; - LCD_CMD=0x8f; - LCD_CMD=0x99; - if(s) { - LCD_CMD=0xa1; - LCD_CMD=0xc0; - } - else { - LCD_CMD=0xa0; - LCD_CMD=0xc8; - } - LCD_CMD=0x2e; - pause(48000); - LCD_CMD=0x2f; - LCD_CMD=0xa4; - LCD_CMD=0xa6; -} - -/* - * spi0 stuff (+ cc1100) - */ - -#define SLAVE 0 -#define MASTER 1 - -void spi1_init(u8 width,u8 type,u8 div) { - - if((width<8)|(width>16)) - width=8; - if(width==16) - width=0; - - div&=0xfe; - if(div<8) - div=8; - - S1SPCR=(1<<2)|(width<<8)|(type<<5); - S1SPCCR=div; -} - -#define cc1100_init spi1_init(8,MASTER,8) - -void spi1_send(u16 data) { - - S1SPDR=data; - - while(!(S1SPSR&(1<<7))) - continue; -} - -void bl_init(void) { - - IODIR0|=(1<<4); -} - -void bl_toggle(void) { - - if(IOPIN0&(1<<4)) - IOCLR0=(1<<4); - else - IOSET0=(1<<4); -} - -void bl_on(void) { - - IOCLR0=(1<<4); -} - -void bl_off(void) { - - IOSET0=(1<<4); -} - -/* - * main function - */ - -int main() { - - char buf[]="betty - live from the flash at 0x80000000! ;)\r\n"; - - pll_init(); - uart0_init(); - ext_mem_bank_init(); - pin_select_init(); - init_lcd(0); - bl_init(); - - pause(0xffffff); - while(1) { - uart0_send_string(buf); - bl_toggle(); - pause(0x9ffff); + pause(0x05ffff); + + /* button test! */ + if(button_get_event(&button)) { + uart0_send_string(announce); + switch(button.key[0]) { + case BUTTON_POWER: + display_logo((u8 *)default_logo); + break; + case BUTTON_DOWN: + if(contrast>0x00) + contrast-=1; + DISPLAY_SET_CONTRAST(contrast); + break; + case BUTTON_UP: + if(contrast<0x3f) + contrast+=1; + DISPLAY_SET_CONTRAST(contrast); + break; + case BUTTON_A: + display_fill_screen(DISPLAY_FILL_W); + break; + case BUTTON_B: + display_fill_screen(DISPLAY_FILL_LG); + break; + case BUTTON_C: + display_fill_screen(DISPLAY_FILL_DG); + break; + case BUTTON_D: + display_fill_screen(DISPLAY_FILL_B); + break; + case BUTTON_1: + display_draw_rectangle(20,20,40,40, + DISPLAY_FILL_B, + 0xff); + break; + case BUTTON_2: + display_draw_rectangle(50,50,40,40, + DISPLAY_FILL_LG, + 0x7f); + break; + case BUTTON_3: + display_draw_font(70,70, + (u8 *)default_font+(0x33>>3), + DISPLAY_FILL_LG, + 0xff); + break; + default: + display_clear_screen(); + break; + } + } } return 0;