X-Git-Url: https://hackdaworld.org/gitweb/?p=my-code%2Farm.git;a=blobdiff_plain;f=betty%2Fbetty.c;h=bac66143a21d14c53f875da34132b7375c49e396;hp=f3e08ce2304fa06cd380ac3ccc247e6e7b0e7e9a;hb=b75b1bf631a3bb68f50f65c65736b1bf743f51b7;hpb=afe6191925fbdac90169ed8a463bd9928276a863 diff --git a/betty/betty.c b/betty/betty.c index f3e08ce..bac6614 100644 --- a/betty/betty.c +++ b/betty/betty.c @@ -5,187 +5,189 @@ * */ -/* - * includes - */ - -#include "lpc2xxx.h" +/* includes */ +#include "betty.h" /* - * defines + * global variables */ -/* bank 0/2 and boootloader addr/size */ -#define BANK0 0x80000000 -#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))) +const char announce[]="betty - live from flash at 0x80000000! ;)\r\n"; +const char d1_txt[]="betty"; +const char d2_txt[]="- alphablend -"; +u8 contrast; +t_button button; /* - * type definitions + * functions */ -typedef unsigned char u8; -typedef unsigned short u16; -typedef unsigned int u32; - - /* - * functions - */ - -void mmap_init(u8 memtype) { - - MEMMAP=memtype; -} - -void pll_init(void) { - - /* 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; -} - -void ext_mem_bank_init(void) { +#define cc1100_init spi1_init(8,SPI_MASTER,8) - BCFG0=0x10000420; // flash 1 - BCFG1=0x00000c42; // lcd - BCFG2=0x10000420; // flash 2 -} +void display_string_page(u8 x,u8 p,u8 *s,u8 f,u8 o,u8 sp) { - -void pin_select_init() { - - /* - * a[19:2] -> address lines - */ - - 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; + while(*(s)) { + if(x==DISPLAY_DIMX) { + p+=1; + x=o; + } + display_font_page(x,p,(u8 *)default_font+(*(s)<<3),f); + x+=sp; + s++; } - - /* 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 __attribute__ ((interrupt("IRQ"))) input_event(void) { + + u8 noret,tries; + + /* button scan */ + if(button_get_event(&button)) { + 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_rectangle_page(4,2,60,5, + DISPLAY_FILL_B,0xff); + break; + case BUTTON_2: + display_rectangle_page(40,5,50,5, + DISPLAY_FILL_LG,0x7f); + break; + case BUTTON_3: + break; + case BUTTON_4: + display_font_page(42,18, + (u8 *)default_font+(0x34<<3), + DISPLAY_FILL_B); + break; + case BUTTON_5: + display_font_page(50,18, + (u8 *)default_font+(0x35<<3), + DISPLAY_FILL_DG); + break; + case BUTTON_6: + display_font_page(58,18, + (u8 *)default_font+(0x36<<3), + DISPLAY_FILL_W); + break; + case BUTTON_7: + break; + case BUTTON_8: + break; + case BUTTON_BETTY: + display_string_page(50,13,(u8 *)d1_txt, + DISPLAY_FILL_B,0,8); + break; + case BUTTON_EXIT: + display_string_page(10,8,(u8 *)d2_txt, + DISPLAY_FILL_B,0,8); + break; + default: + display_clear_screen(); + break; + } } -} - -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; + /* resume the interrupt at button release */ + noret=1; + while(noret) { + tries=0xff; + noret=1; + while(tries--) { + noret=IOPIN0&(1<<30)?0:1; + if(noret) + break; + } } + interrupt_ack(); + interrupt_ext_ir_set(INTERRUPT_EXT3); } -void uart0_send_byte(u8 send) { +/* + * main function + */ - while(!(UART0_LSR&(1<<5))) - continue; +int main() { - UART0_THR=send; -} + /* variables */ -u8 uart0_get_byte(void) { + /* system init */ + pll_init(); + pin_init(); + ext_mem_init(); + + /* memory mapping - dirty! */ + if((void *)announce<(void *)FLASH_BANK0) + mmap_init(MEMTYPE_RAM); + else + mmap_init(MEMTYPE_EXT); + + /* uart init */ + uart0_init(); - u8 rx; + /* display init */ + display_bl_init(); - while(!(UART0_LSR&(1<<0))) - continue; + /* button init */ + button.mode=BUTTON_INT; + button_init(&button); + button_set_retries(&button,30); - rx=UART0_RBR; + /* flash init */ + flash_init(); - return rx; -} + /* display init */ + display_init(); + contrast=0x38; -/* - * main function - */ + /* interrupt init */ + interrupt_init(); + interrupt_ext_ir_config(INTERRUPT_EXT3,INTERRUPT_EXT_NOWAKE, + INTERRUPT_EXT_MODE_EDGE, + INTERRUPT_EXT_POLAR_LOW); + interrupt_ext_ir_set(INTERRUPT_EXT3); + interrupt_enable(INTERRUPT_EINT3,INTERRUPT_MODE_VIRQ, + 0,(u32)input_event); -int main() { + /* + * start it ... + */ - char buf[]="betty - live from the flash at 0x80000000! ;)\r\n"; - u8 byte; + /* toggle the display back light */ + display_bl_toggle(); - pll_init(); - uart0_init(); - ext_mem_bank_init(); - pin_select_init(); + /* announce */ + uart0_send_string((char *)announce); + while(1) { - byte=uart0_get_byte(); - uart0_send_string(buf); - uart0_send_byte(byte); + pause(0xffffff); + uart0_send_string((char *)announce); } return 0; } -