/* includes */
#include "betty.h"
+/*
+ * global variables
+ */
+
+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;
+int sample_count;
+
/*
* functions
*/
#define cc1100_init spi1_init(8,SPI_MASTER,8)
+void display_string_page(u8 x,u8 p,u8 *s,u8 f,u8 o,u8 sp) {
+
+ while(*(s)) {
+ if(x==DISPLAY_DIMX) {
+ p+=1;
+ x=o;
+ }
+ display_font_page(x,p,(u8 *)default_font+(*(s)<<3),f);
+ x+=sp;
+ s++;
+ }
+}
+
+void audio_mute_toggle(void) {
+
+ if(IOPIN0&(1<<11))
+ IOCLR0=(1<<11);
+ else
+ IOSET0=(1<<11);
+}
+
+#define AUDIO_TONE_C (7500000/(262*256))
+#define AUDIO_TONE_D (7500000/(294*256))
+#define AUDIO_TONE_E (7500000/(330*256))
+#define AUDIO_TONE_F (7500000/(349*256))
+#define AUDIO_TONE_G (7500000/(392*256))
+//#define AUDIO_TONE_A (7500000/(440*256))
+#define AUDIO_TONE_A 120
+#define AUDIO_TONE_H (7500000/(494*256))
+
+void __attribute__ ((interrupt("IRQ"))) set_sample(void) {
+
+ //uart0_send_byte('S');
+ pwm_update_match(PWM_CHAN2,PWM_SINGLE_EDGE,sinus[sample_count++],0);
+ if(sample_count==0xff)
+ sample_count=0;
+ interrupt_ack();
+ interrupt_tc_ir_set(INTERRUPT_TC0,INTERRUPT_MATCH0);
+}
+
+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;
+ case BUTTON_MUTE:
+ audio_mute_toggle();
+ break;
+ default:
+ display_clear_screen();
+ break;
+ }
+ }
+
+ /* 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);
+}
+
/*
* main function
*/
int main() {
- char announce[]="betty - live from flash at 0x80000000! ;)\r\n";
- t_button button;
- u8 contrast;
+ /* variables */
+
+ /* init */
+ sample_count=0;
/* 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();
display_bl_init();
/* button init */
+ button.mode=BUTTON_INT;
button_init(&button);
- button_set_retries(&button,100);
+ button_set_retries(&button,30);
/* flash init */
flash_init();
+ /* display init */
+ display_init();
+ contrast=0x38;
+
+ /* interrupt init */
+ interrupt_init();
+
+ // ext interrupt
+ 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);
+
+ // timer interrupt
+ interrupt_tc_config(INTERRUPT_TC0,INTERRUPT_TC_MODE_T,0,0);
+ interrupt_tc_match_config(INTERRUPT_TC0,INTERRUPT_M0,AUDIO_TONE_A,
+ INTERRUPT_TC_MATCH_IR|
+ INTERRUPT_TC_MATCH_RESET);
+ interrupt_tc_ir_set(INTERRUPT_TC0,INTERRUPT_MATCH0);
+ interrupt_enable(INTERRUPT_TIMER0,INTERRUPT_MODE_VIRQ,
+ 1,(u32)&set_sample);
+ interrupt_tc_enable(INTERRUPT_TC0);
+
+ /* pwm init */
+ pwm_reset;
+ pwm_set_rate_and_prescaler(0xff,0);
+ pwm_config(PWM_CHAN2,PWM_SINGLE_EDGE,0,0);
+ pwm_match_ctrl_config(PWM_CHAN2,PWM_MATCH_RESET);
+ pwm_enable;
+
+
/*
* start it ...
*/
- /* pause - seems to not work if running from flash! (?) */
- pause(0xffffff);
-
- /* display init */
+ /* toggle the display back light */
display_bl_toggle();
- display_init();
- contrast=0x38;
-
- /* pasue again */
/* announce */
- uart0_send_string(announce);
+ uart0_send_string((char *)announce);
while(1) {
- pause(0x0fffff);
-
- /* button test! */
- if(button_get_event(&button)) {
- uart0_send_string(announce);
- switch(button.key[0]) {
- case BUTTON_POWER:
- display_load_logo(0);
- 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_TV:
- display_fill_screen(button.key[0]);
- break;
- default:
- display_clear_screen();
- break;
- }
- }
+ pause(0xffffff);
+ uart0_send_string((char *)announce);
}
return 0;
}
-
projects / my-code / arm.git / blobdiff