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authorFrank Gevaerts <frank@gevaerts.be>2008-09-10 19:08:46 +0000
committerFrank Gevaerts <frank@gevaerts.be>2008-09-10 19:08:46 +0000
commit3637ef9b326f9b8e731350c21456659796845ab2 (patch)
tree3a1af53e8f887596ec7e003626b57269f3d23bc4 /bootloader
parent5a0c3ec9e242f13f329adfa9697ca5e66cfefddf (diff)
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First reading out of the touchpad!
disabled power handling for now, so the device will power off when unplugged again (because there is no other poweroff method provided) git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18480 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'bootloader')
-rw-r--r--bootloader/meizu_m6sl.c196
1 files changed, 170 insertions, 26 deletions
diff --git a/bootloader/meizu_m6sl.c b/bootloader/meizu_m6sl.c
index 3ee88120b5..8826abbcf0 100644
--- a/bootloader/meizu_m6sl.c
+++ b/bootloader/meizu_m6sl.c
@@ -47,10 +47,164 @@
#include <stdarg.h>
char version[] = APPSVERSION;
+#define LONG_DELAY 200000
+#define SHORT_DELAY 50000
+#define PAUSE_DELAY 50000
+
+#define SPIDELAY(_x) void(_x);
+#define SETMOSI() PDAT1 |= (1 << 6)
+#define CLRMOSI() PDAT1 &= ~(1 << 6)
+
+#define MISO ((PDAT0 >> 3) & 1)
+#define RDY (PDAT1 & (1 << 5))
+
+#define SETCLK() PDAT0 |= (1 << 1)
+#define CLRCLK() PDAT0 &= ~(1 << 1)
+
+#define SETSS() PDAT0 |= (1 << 0)
+#define CLRSS() PDAT0 &= ~(1 << 0)
+
+#define SPISPEED 10000
+
+#define QT_CT 0x00800000
+
+#define QT_AKS_DISABLED 0x00000000
+#define QT_AKS_GLOBAL 0x00010000
+#define QT_AKS_MODE1 0x00020000
+#define QT_AKS_MODE2 0x00030000
+#define QT_AKS_MODE3 0x00040000
+#define QT_AKS_MODE4 0x00050000
+
+#define QT_SLD_WHEEL 0x00000000
+#define QT_SLD_SLIDER 0x00080000
+
+#define QT_KEY7_NORMAL 0x00000000
+#define QT_KEY7_PROX 0x00100000
+
+#define QT_MODE_FREE 0x00000000
+#define QT_MODE_LP1 0x00000100
+#define QT_MODE_LP2 0x00000200
+#define QT_MODE_LP3 0x00000300
+#define QT_MODE_LP4 0x00000400
+#define QT_MODE_SYNC 0x00000500
+#define QT_MODE_SLEEP 0x00000600
+
+#define QT_LPB 0x00000800
+#define QT_DI 0x00001000
+
+#define QT_MOD_10 0x00000000
+#define QT_MOD_20 0x00002000
+#define QT_MOD_60 0x00004000
+#define QT_MOD_INF 0x00006000
+
+#define QT_CAL_ALL 0x00000000
+#define QT_CAL_KEYS 0x00000008
+#define QT_CAL_WHEEL 0x00000010
+#define QT_RES_4 0x00000020
+#define QT_RES_8 0x00000040
+#define QT_RES_16 0x00000060
+#define QT_RES_32 0x00000080
+#define QT_RES_64 0x000000A0
+#define QT_RES_128 0x000000C0
+#define QT_RES_256 0x000000E0
+
+
+static inline void delay(int duration)
+{
+ volatile int i;
+ for(i=0;i<duration;i++);
+}
+
+
+void init_qt1106(void)
+{
+ int oldval;
+
+ oldval = PCON0;
+ //Set P0.0 and P0.1 to output, set P0.3 to input
+ PCON0 = ((oldval & ~(3 << 0 || 3 << 2 || 3 << 6)) | (1 << 0 | 1 << 2));
+
+ oldval = PCON1;
+ //Set P1.5 to input, set P1.6 to input
+ PCON1 = ((oldval & ~(0xf << 20 || 0xf << 24)) | (1 << 24));
+
+ SETSS();
+ SETCLK();
+}
+
+unsigned read_qt1106(unsigned int input)
+{
+ int output = 0;
+ int i;
+
+ while(!RDY) {}
+
+ delay(10); // < 470 us
+
+ CLRSS();
+ delay(13); // > 22 us
+
+ for (i = 0; i < 24; i++) {
+
+ CLRCLK();
+
+ if (input & (1 << 23))
+ SETMOSI();
+ else
+ CLRMOSI();
+ input <<= 1;
+
+ delay(20); // >> 6.7 us
+
+ SETCLK();
+
+ output |= MISO;
+ output <<= 1;
+
+ delay(20); // >> 6.7 us
+ }
+
+ SETSS();
+
+ return (output & 0x00FFFFFF);
+}
+
+
+void bl_debug(bool bit)
+{
+ if (bit)
+ {
+ PDAT0 ^= (1 << 2); //Toggle backlight
+ delay(LONG_DELAY);
+ PDAT0 ^= (1 << 2); //Toggle backlight
+ delay(LONG_DELAY);
+ //for(i=0;i<pause_delay;i++);
+ }
+ else
+ {
+ PDAT0 ^= (1 << 2); //Toggle backlight
+ delay(SHORT_DELAY);
+ PDAT0 ^= (1 << 2); //Toggle backlight
+ delay(SHORT_DELAY);
+ //for(i=0;i<pause_delay;i++);
+ }
+}
+
+void bl_debug_int(unsigned int input)
+{
+ unsigned int i;
+ for (i = 0; i < input; i++)
+ {
+ PDAT0 ^= (1 << 2); //Toggle backlight
+ delay(SHORT_DELAY);
+ PDAT0 ^= (1 << 2); //Toggle backlight
+ delay(2*SHORT_DELAY);
+ }
+ delay(SHORT_DELAY*6);
+}
void main(void)
{
- int counter=0;
//Set backlight pin to output and enable
int oldval = PCON0;
PCON0 = ((oldval & ~(3 << 4)) | (1 << 4));
@@ -60,37 +214,27 @@ void main(void)
oldval = PCON1;
PCON1 = ((oldval & ~(0xf << 16)) | (0 << 16));
- //Set the piezo pins to output
- oldval = PCON5;
- PCON5 = ((oldval & ~((0xf << 4) | (0xf << 8))) | ((1 << 0) | (1 << 4)));
- PDAT5 &= ~((1 << 1) | (1 << 2)); //should not be needed
+ init_qt1106();
- PDAT5 |= (1 << 1); //Toggle piezo +
+ // Wait for play to be pressed
+ while(!(PDAT1 & (1 << 4)));
+ // Wait for play to be released
+ while((PDAT1 & (1 << 4)));
+ PDAT0 ^= (1 << 2); //Toggle backlight
- //toggle backlight on PLAY
- while(counter<20)
- {
- // Wait for play to be pressed
- while(!(PDAT1 & (1 << 4)))
- {
- }
+ /* Calibrate the lot */
+ read_qt1106(QT_MODE_FREE | QT_MOD_INF | QT_DI | QT_SLD_SLIDER | QT_CAL_WHEEL | QT_CAL_KEYS | QT_RES_4);
- PDAT5 ^= (1 << 1); //Toggle piezo +
- PDAT0 ^= (1 << 2); //Toggle backlight
- counter++;
+ /* Set to maximum sensitivity */
+ read_qt1106(QT_CT | (0x00 << 8) );
- // Wait for play to be released
- while(PDAT1 & (1 << 4))
- {
- }
- }
- //toggle a few times to warn that we're done
- for(counter=0;counter<10;counter++)
+ while(true)
{
- volatile int i;
- for(i=0;i<50000;i++);
- PDAT0 ^= (1 << 2); //Toggle backlight
+ int slider = read_qt1106(QT_MODE_FREE | QT_MOD_INF | QT_DI | QT_SLD_SLIDER | QT_RES_4);
+ bl_debug_int(((slider&0xff)) + 1);
}
+
+ //power off
PDAT1&=~(1<<3);
}