From: hackbard <hackbard@staubsauger.localdomain>
Date: Tue, 11 Sep 2007 22:19:15 +0000 (+0200)
Subject: some display testing (doesn't work by now!)
X-Git-Url: https://hackdaworld.org/gitweb/?a=commitdiff_plain;h=2c6f5744c29fb65d904aa5fe40b5ce541247f900;p=my-code%2Farm.git
some display testing (doesn't work by now!)
---
diff --git a/betty/betty.c b/betty/betty.c
index 859860a..200bd6f 100644
--- a/betty/betty.c
+++ b/betty/betty.c
@@ -47,15 +47,20 @@ int main() {
/* pause - seems to not work if running from flash! (?) */
pause(0xffffff);
+ /* display init */
+ display_init();
+
+ /* pasue again */
+
/* announce */
uart0_send_string(announce);
- /* toggle backlight */
- display_bl_toggle();
-
//addr=0x82000000;
- flash_sector_erase(BANK2,0);
- addr=FLASH_BANK2;
+ //flash_sector_erase(BANK2,0);
+ //addr=FLASH_BANK2;
+
+ DISPLAY_SET_C_ADDR(0);
+ DISPLAY_SET_PAGE_ADDR(0);
while(1) {
pause(0x0fffff);
@@ -64,9 +69,8 @@ int main() {
if(button_get_event(&button)) {
uart0_send_string(announce);
if(button.key[0]==BUTTON_POWER) {
- display_bl_toggle();
- flash_write_buf(addr,(u16 *)announce,42);
- addr+=64;
+ DISPLAY_DATA=0xff;
+ DISPLAY_DATA=0xff;
}
}
}
diff --git a/betty/display.c b/betty/display.c
index 210cd17..fad0804 100644
--- a/betty/display.c
+++ b/betty/display.c
@@ -11,9 +11,44 @@
* functions
*/
+void display_clear_screen(void) {
+
+ u32 cnt;
+
+ DISPLAY_SET_PAGE_ADDR(0);
+ DISPLAY_SET_C_ADDR(0);
+
+ for(cnt=0;cnt<DISPLAY_RAM_CONTENT;cnt++)
+ DISPLAY_DATA=0x00;
+}
+
void display_init(void) {
+ /* configure the ext mem bank interface */
BCFG1=0x00000c42;
+
+ DISPLAY_SOFT_RESET;
+
+ pause(0xffffff);
+
+ DISPLAY_START_OSCILLATOR;
+
+ DISPLAY_SET_POWER(DISPLAY_V_BOOST|DISPLAY_REGULATOR);
+
+ display_clear_screen();
+
+ DISPLAY_SET_ON;
+}
+
+void display_load_logo(u8 *src) {
+
+ u32 cnt;
+
+ DISPLAY_SET_PAGE_ADDR(0);
+ DISPLAY_SET_C_ADDR(0);
+
+ for(cnt=0;cnt<DISPLAY_RAM_CONTENT;cnt++)
+ DISPLAY_DATA=src[cnt];
}
void display_bl_init(void) {
diff --git a/betty/display.h b/betty/display.h
index afaa399..b458887 100644
--- a/betty/display.h
+++ b/betty/display.h
@@ -11,6 +11,87 @@
#include "lpc2xxx.h"
#include "types.h"
+/* defines */
+#define DISPLY_BANK1 0x81000000
+
+#define DISPLAY_CMD (*((volatile u8 *)DISPLY_BANK1))
+#define DISPLAY_DATA (*((volatile u8 *)DISPLY_BANK1+1))
+
+#define DISPLAY_DIMX 128
+#define DISPLAY_DIMY 160
+#define DISPLAY_PAGE_MAX (DISPLAY_DIMY/8)
+#define DISPLAY_COL_MAX DISPLAY_DIMX
+#define DISPLAY_RAM_CONTENT (DISPLAY_PAGE_MAX*DISPLAY_COL_MAX*2)
+
+#define DISPLAY_SET_C_ADDR(c) DISPLAY_CMD=(0x00|((c)&0x0f)); \
+ DISPLAY_CMD=(0x10|(((c)&0x70)>>4))
+#define DISPLAY_SET_MASTER DISPLAY_CMD=0x18
+#define DISPLAY_SET_SLAVE DISPLAY_CMD=0x19
+#define DISPLAY_SET_REGULATOR(r) DISPLAY_CMD=(0x20|((r)&0x07))
+#define DISPLAY_SET_POWER(p) DISPLAY_CMD=(0x28|((p)&0x07))
+#define DISPLAY_V_BOOST 0x01
+#define DISPLAY_REGULATOR 0x02
+#define DISPLAY_OPAMP 0x04
+#define DISPLAY_SET_START_LINE(s) DISPLAY_CMD=0x40; \
+ DISPLAY_CMD=(s)
+#define DISPLAY_SET_OFFSET(o) DISPLAY_CMD=0x44; \
+ DISPLAY_CMD=(o)
+#define DISPLAY_SET_MPLEX_RATIO(m) DISPLAY_CMD=0x48; \
+ DISPLAY_CMD=(m)
+#define DISPLAY_SET_NINV(n) DISPLAY_CMD=0x4c; \
+ DISPLAY_CMD=(n)
+#define DISPLAY_SET_BIAS(b) DISPLAY_CMD=(0x50|((b)&0x07))
+#define DISPLAY_SET_UW_CORNER_X(x) DISPLAY_CMD=0x60; \
+ DISPLAY_CMD=((x)&0x7f)
+#define DISPLAY_SET_UW_CORNER_Y(y) DISPLAY_CMD=0x61; \
+ DISPLAY_CMD=(y)
+#define DISPLAY_SET_LW_CORNER_X(x) DISPLAY_CMD=0x62; \
+ DISPLAY_CMD=((x)&0x7f)
+#define DISPLAY_SET_LW_CORNER_Y(y) DISPLAY_CMD=0x63; \
+ DISPLAY_CMD=(y)
+#define DISPLAY_SET_CONV_FACTOR(c) DISPLAY_CMD=(0x64|((c)&0x03))
+#define DISPLAY_SET_CONTRAST(c) DISPLAY_CMD=0x81; \
+ DISPLAY_CMD=((c)&0x3f)
+#define DISPLAY_SET_WHITE(a,b,c,d) DISPLAY_CMD=0x88; \
+ DISPLAY_CMD=(((b)&0x0f)<<4|((a)&0x0f)); \
+ DISPLAY_CMD=0x89; \
+ DISPLAY_CMD=(((d)&0x0f)<<4|((c)&0x0f))
+#define DISPLAY_SET_LGRAY(a,b,c,d) DISPLAY_CMD=0x8a; \
+ DISPLAY_CMD=(((b)&0x0f)<<4|((a)&0x0f)); \
+ DISPLAY_CMD=0x8b; \
+ DISPLAY_CMD=(((d)&0x0f)<<4|((c)&0x0f))
+#define DISPLAY_SET_DGRAY(a,b,c,d) DISPLAY_CMD=0x8c; \
+ DISPLAY_CMD=(((b)&0x0f)<<4|((a)&0x0f)); \
+ DISPLAY_CMD=0x8d; \
+ DISPLAY_CMD=(((d)&0x0f)<<4|((c)&0x0f))
+#define DISPLAY_SET_BLACK(a,b,c,d) DISPLAY_CMD=0x88; \
+ DISPLAY_CMD=(((b)&0x0f)<<4|((a)&0x0f)); \
+ DISPLAY_CMD=0x89; \
+ DISPLAY_CMD=(((d)&0x0f)<<4|((c)&0x0f))
+#define DISPLAY_SET_PWM_FRC(p,f) DISPLAY_CMD=(0x90|(((f&0x01)<<2)|p&0x03))
+#define DISPLAY_SET_SEGMENT_REMAP_00H DISPLAY_CMD=0xa0
+#define DISPLAY_SET_SEGMENT_REMAP_7fH DISPLAY_CMD=0xa1
+#define DISPLAY_RAM_CONTENTS_ON DISPLAY_CMD=0xa4
+#define DISPLAY_ENTIRE_ON DISPLAY_CMD=0xa5
+#define DISPLAY_NORMAL DISPLAY_CMD=0xa6
+#define DISPLAY_REVERSE DISPLAY_CMD=0xa7
+#define DISPLAY_SET_POWER_SAVE DISPLAY_CMD=0xa9
+#define DISPLAY_START_OSCILLATOR DISPLAY_CMD=0xab
+#define DISPLAY_SET_OFF DISPLAY_CMD=0xae
+#define DISPLAY_SET_ON DISPLAY_CMD=0xaf
+#define DISPLAY_SET_PAGE_ADDR(p) DISPLAY_CMD=0xb0; \
+ DISPLAY_CMD=((p)&0x1f)
+#define DISPLAY_SET_COM_ODIR_NORMAL DISPLAY_CMD=0xc0
+#define DISPLAY_SET_COM_ODIR_REMAPPED DISPLAY_CMD=0xc8
+#define DISPLAY_EXIT_POWER_SAVE DISPLAY_CMD=0xe1
+#define DISPLAY_SOFT_RESET DISPLAY_CMD=0xe2
+#define DISPLAY_EXIT_NLINE_INVERSION DISPLAY_CMD=0xe4
+#define DISPLAY_SCROLL_BUF_ENABLE DISPLAY_CMD=0xe6
+#define DISPLAY_SCROLL_BUF_DISABLE DISPLAY_CMD=0xe7
+#define DISPLAY_SET_TC(c) DISPLAY_CMD=0xe9; \
+ DISPLAY_CMD=(c)
+#define DISPLAY_EXTENDED_FEATURES DISPLAY_CMD=0xf0
+
/* function prototypes */
void display_bl_init(void);
void display_bl_toggle(void);