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author | Frank Gevaerts <frank@gevaerts.be> | 2008-09-10 19:08:46 +0000 |
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committer | Frank Gevaerts <frank@gevaerts.be> | 2008-09-10 19:08:46 +0000 |
commit | 3637ef9b326f9b8e731350c21456659796845ab2 (patch) | |
tree | 3a1af53e8f887596ec7e003626b57269f3d23bc4 | |
parent | 5a0c3ec9e242f13f329adfa9697ca5e66cfefddf (diff) | |
download | rockbox-3637ef9b326f9b8e731350c21456659796845ab2.tar.gz rockbox-3637ef9b326f9b8e731350c21456659796845ab2.zip |
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
-rw-r--r-- | bootloader/meizu_m6sl.c | 196 | ||||
-rw-r--r-- | firmware/target/arm/s5l8700/crt0.S | 4 |
2 files changed, 173 insertions, 27 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); } diff --git a/firmware/target/arm/s5l8700/crt0.S b/firmware/target/arm/s5l8700/crt0.S index 77582f17bd..c01cb3e165 100644 --- a/firmware/target/arm/s5l8700/crt0.S +++ b/firmware/target/arm/s5l8700/crt0.S @@ -39,6 +39,7 @@ start: newstart: msr cpsr_c, #0xd3 /* enter supervisor mode, disable IRQ/FIQ */ +#if 0 /* set PWRON to 1 */ ldr r1, =0x3CF00014 ldr r2, [r1] @@ -50,7 +51,8 @@ newstart: bic r2, r2, #0xf000 orr r2, r2, #0x1000 str r2, [r1] - +#endif + /* Initialise bss section to zero */ ldr r2, =_edata ldr r3, =_end |