new eve dir

1 files changed, 0 insertions, 733 deletions

diff --git a/code/fe310/eos/eve.c b/code/fe310/eos/eve.c
deleted file mode 100644
index 8de0362..0000000
--- a/code/fe310/eos/eve.c
+++ /dev/null
@@ -1,733 +0,0 @@
-#include <stdlib.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <math.h>
-
-#include "encoding.h"
-#include "platform.h"
-
-#include "eos.h"
-#include "interrupt.h"
-#include "event.h"
-#include "timer.h"
-#include "spi.h"
-#include "eve.h"
-#include "irq_def.h"
-
-
-#define EVE_PIN_INTR            0
-#define EVE_MAX_TOUCH           5
-#define EVE_TAG_SCREEN          0xff
-
-#define EVE_THRESHOLD_X         5
-#define EVE_THRESHOLD_Y         5
-#define EVE_TIMEOUT_TAP         1000
-#define EVE_TIMEOUT_TRACK       20
-#define EVE_TRAVG               3
-#define EVE_FRICTION            500
-
-#define EVE_NOTOUCH             0x80000000
-#define EVE_MEM_WRITE           0x800000
-
-static char _cmd_burst;
-static uint16_t _cmd_offset;
-static uint32_t _dl_addr;
-
-static int _intr_mask = EVE_INT_TAG | EVE_INT_TOUCH;
-static int _multitouch;
-static uint8_t _tag0;
-
-static EVETouch _touch[EVE_MAX_TOUCH];
-static EVETouchTimer _touch_timer;
-
-static eve_touch_handler_t _touch_handler;
-static void *_touch_handler_param;
-
-static uint8_t _tag_opt[255];
-
-static const uint32_t _reg_touch[] = {
-    REG_CTOUCH_TOUCH0_XY,
-    REG_CTOUCH_TOUCH1_XY,
-    REG_CTOUCH_TOUCH2_XY,
-    REG_CTOUCH_TOUCH3_XY
-};
-
-static const uint32_t _reg_tag[] = {
-    REG_TOUCH_TAG,
-    REG_TOUCH_TAG1,
-    REG_TOUCH_TAG2,
-    REG_TOUCH_TAG3,
-    REG_TOUCH_TAG4
-};
-
-static const uint32_t _reg_track[] = {
-    REG_TRACKER,
-    REG_TRACKER_1,
-    REG_TRACKER_2,
-    REG_TRACKER_3,
-    REG_TRACKER_4
-};
-
-void eve_command(uint8_t command, uint8_t parameter) {
-    eos_spi_cs_set();
-    eos_spi_xchg24(((uint32_t)command << 16) | ((uint32_t)parameter << 8), 0);
-    eos_spi_cs_clear();
-}
-
-uint8_t eve_read8(uint32_t addr) {
-    uint8_t r;
-    eos_spi_cs_set();
-    eos_spi_xchg32(addr << 8, 0);
-    r = eos_spi_xchg8(0, EOS_SPI_FLAG_BSWAP);
-    eos_spi_cs_clear();
-
-    return r;
-}
-
-uint16_t eve_read16(uint32_t addr) {
-    uint16_t r;
-    eos_spi_cs_set();
-    eos_spi_xchg32(addr << 8, 0);
-    r = eos_spi_xchg16(0, EOS_SPI_FLAG_BSWAP);
-    eos_spi_cs_clear();
-
-    return r;
-}
-
-uint32_t eve_read32(uint32_t addr) {
-    uint32_t r;
-    eos_spi_cs_set();
-    eos_spi_xchg32(addr << 8, 0);
-    r = eos_spi_xchg32(0, EOS_SPI_FLAG_BSWAP);
-    eos_spi_cs_clear();
-
-    return r;
-}
-
-void eve_write8(uint32_t addr, uint8_t data) {
-    eos_spi_cs_set();
-    eos_spi_xchg24(addr | EVE_MEM_WRITE, 0);
-    eos_spi_xchg8(data, EOS_SPI_FLAG_BSWAP);
-    eos_spi_cs_clear();
-}
-
-void eve_write16(uint32_t addr, uint16_t data) {
-    eos_spi_cs_set();
-    eos_spi_xchg24(addr | EVE_MEM_WRITE, 0);
-    eos_spi_xchg16(data, EOS_SPI_FLAG_BSWAP);
-    eos_spi_cs_clear();
-}
-
-void eve_write32(uint32_t addr, uint32_t data) {
-    eos_spi_cs_set();
-    eos_spi_xchg24(addr | EVE_MEM_WRITE, 0);
-    eos_spi_xchg32(data, EOS_SPI_FLAG_BSWAP);
-    eos_spi_cs_clear();
-}
-
-void eve_active(void) {
-    eve_command(EVE_ACTIVE, 0);
-}
-
-void eve_brightness(uint8_t b) {
-	eve_write8(REG_PWM_DUTY, b);
-}
-
-static void _dl_inc(uint32_t i) {
-	_dl_addr += i;
-}
-
-void eve_dl_start(uint32_t addr) {
-    _dl_addr = addr;
-}
-
-void eve_dl_write(uint32_t dl) {
-    eve_write32(_dl_addr, dl);
-    _dl_inc(4);
-}
-
-void eve_dl_swap(void) {
-    eve_write8(REG_DLSWAP, EVE_DLSWAP_FRAME);
-}
-
-uint32_t eve_dl_get_addr(void) {
-    return _dl_addr;
-}
-
-static void _cmd_inc(uint16_t i) {
-	_cmd_offset += i;
-	_cmd_offset &= 0x0fff;
-}
-
-static void _cmd_begin(uint32_t command) {
-    uint8_t flags = 0;
-
-    if (_cmd_burst) {
-        flags = EOS_SPI_FLAG_TX;
-    } else {
-    	uint32_t addr = EVE_RAM_CMD + _cmd_offset;
-        eos_spi_cs_set();
-        eos_spi_xchg24(addr | EVE_MEM_WRITE, 0);
-    }
-    eos_spi_xchg32(command, EOS_SPI_FLAG_BSWAP | flags);
-    _cmd_inc(4);
-}
-
-static void _cmd_end(void) {
-    if (!_cmd_burst) eos_spi_cs_clear();
-}
-
-static void _cmd_string(const char *s, uint8_t flags) {
-    int i = 0, p = 0;
-
-    while (s[i] != 0) {
-        eos_spi_xchg8(s[i], EOS_SPI_FLAG_BSWAP | flags);
-        i++;
-    }
-    eos_spi_xchg8(0, EOS_SPI_FLAG_BSWAP | flags);
-    i++;
-    _cmd_inc(i);
-}
-
-static void _cmd_buffer(const char *b, int size, uint8_t flags) {
-    int i = 0, p = 0;
-
-    for (i=0; i<size; i++) {
-        eos_spi_xchg8(b[i], EOS_SPI_FLAG_BSWAP | flags);
-    }
-    _cmd_inc(size);
-}
-
-void eve_cmd(uint32_t cmd, const char *fmt, ...) {
-    uint8_t flags = _cmd_burst ? EOS_SPI_FLAG_TX : 0;
-    va_list argv;
-    uint16_t *p;
-    int i = 0;
-
-    va_start(argv, fmt);
-    _cmd_begin(cmd);
-    while (fmt[i]) {
-        switch (fmt[i]) {
-            case 'b':
-                eos_spi_xchg8(va_arg(argv, int), EOS_SPI_FLAG_BSWAP | flags);
-                _cmd_inc(1);
-                break;
-            case 'h':
-                eos_spi_xchg16(va_arg(argv, int), EOS_SPI_FLAG_BSWAP | flags);
-                _cmd_inc(2);
-                break;
-            case 'w':
-                eos_spi_xchg32(va_arg(argv, int), EOS_SPI_FLAG_BSWAP | flags);
-                _cmd_inc(4);
-                break;
-            case '&':
-                p = va_arg(argv, uint16_t *);
-                *p = _cmd_offset;
-                eos_spi_xchg32(0, EOS_SPI_FLAG_BSWAP | flags);
-                _cmd_inc(4);
-                break;
-            case 's':
-                _cmd_string(va_arg(argv, const char *), flags);
-                break;
-            case 'p':
-                _cmd_buffer(va_arg(argv, const char *), va_arg(argv, int), flags);
-                break;
-        }
-        i++;
-    }
-    /* padding */
-	i = _cmd_offset & 3;  /* equivalent to _cmd_offset % 4 */
-    if (i) {
-    	i = 4 - i;  /* 3, 2 or 1 */
-        _cmd_inc(i);
-
-    	while (i > 0) {
-            eos_spi_xchg8(0, EOS_SPI_FLAG_BSWAP | flags);
-    		i--;
-    	}
-    }
-    _cmd_end();
-	va_end(argv);
-}
-
-uint32_t eve_cmd_result(uint16_t offset) {
-    return eve_read32(EVE_RAM_CMD + offset);
-}
-
-void eve_cmd_dl(uint32_t dl) {
-    _cmd_begin(dl);
-    _cmd_end();
-}
-
-int eve_cmd_done(void) {
-	uint16_t r = eve_read16(REG_CMD_READ);
-    if (r == 0xfff) {
-		_cmd_offset = 0;
-		eve_write8(REG_CPURESET, 1);
-		eve_write16(REG_CMD_READ, 0);
-		eve_write16(REG_CMD_WRITE, 0);
-		eve_write16(REG_CMD_DL, 0);
-		eve_write8(REG_CPURESET, 0);
-        return -1;
-    }
-    return (r == _cmd_offset);
-}
-
-int eve_cmd_exec(int w) {
-    eve_write16(REG_CMD_WRITE, _cmd_offset);
-    if (w) {
-        int r;
-        do {
-            r = eve_cmd_done();
-        } while (!r);
-        if (r < 0) return EOS_ERR;
-    }
-    return EOS_OK;
-}
-
-void eve_cmd_burst_start(void) {
-	uint32_t addr = EVE_RAM_CMD + _cmd_offset;
-    eos_spi_cs_set();
-    eos_spi_xchg24(addr | EVE_MEM_WRITE, EOS_SPI_FLAG_TX);
-    _cmd_burst = 1;
-}
-
-void eve_cmd_burst_end(void) {
-    eos_spi_flush();
-    eos_spi_cs_clear();
-    _cmd_burst = 0;
-}
-
-static void _touch_timer_clear(void) {
-    _touch_timer.tag = 0;
-    _touch_timer.fc = 0;
-}
-
-static void handle_touch(uint8_t flags) {
-    int i;
-    char touch_ex = 0;
-    char int_ccomplete = 0;
-    uint8_t tag0 = _tag0;
-    uint8_t touch_last = 0;
-
-    if (!_multitouch && (flags & EVE_INT_TOUCH)) _multitouch = 1;
-    for (i=0; i<EVE_MAX_TOUCH; i++) {
-        uint8_t touch_tag;
-        uint32_t touch_xy;
-        volatile uint64_t *mtime = (uint64_t *) (CLINT_CTRL_ADDR + CLINT_MTIME);
-        volatile uint64_t now = 0;
-        EVETouch *touch = &_touch[i];
-
-        touch->evt &= ~EVE_TOUCH_EVT_MASK;
-        touch_xy = i < 4 ? eve_read32(_reg_touch[i]) : (((uint32_t)eve_read16(REG_CTOUCH_TOUCH4_X) << 16) | eve_read16(REG_CTOUCH_TOUCH4_Y));
-
-        if (touch_xy != 0x80008000) {
-            int16_t touch_x = touch_xy >> 16;
-            int16_t touch_y = touch_xy & 0xffff;
-            now = *mtime;
-            if (touch->x == EVE_NOTOUCH) {
-                if (!_tag0 && _touch_timer.tag) {
-                    if (_touch_timer.evt & EVE_TOUCH_ETYPE_TAP1) {
-                        int dx = touch_x - touch->x0;
-                        int dy = touch_y - touch->y0;
-                        dx = dx < 0 ? -dx : dx;
-                        dy = dy < 0 ? -dy : dy;
-                        if ((dx > EVE_THRESHOLD_X) || (dy > EVE_THRESHOLD_Y)) {
-                            touch->evt |= EVE_TOUCH_ETYPE_TAP1;
-                        } else {
-                            touch->evt |= EVE_TOUCH_ETYPE_TAP2;
-                        }
-                    }
-                    if (_touch_timer.evt & EVE_TOUCH_ETYPE_TRACK) {
-                        touch->evt |= EVE_TOUCH_ETYPE_TRACK_STOP;
-                    }
-                    if (_touch_handler && (touch->evt & EVE_TOUCH_EVT_MASK)) {
-                        _touch_handler(_touch_handler_param, _touch_timer.tag, i);
-                    }
-                    eos_timer_clear(EOS_TIMER_ETYPE_UI);
-                    _touch_timer_clear();
-                }
-                touch->evt = EVE_TOUCH_ETYPE_POINT;
-                touch->tag0 = 0;
-                touch->tag = 0;
-                touch->tag_up = 0;
-                touch->tracker.tag = 0;
-                touch->tracker.track = 0;
-                touch->tracker.val = 0;
-                touch->t = 0;
-                touch->vx = 0;
-                touch->vy = 0;
-                touch->x0 = touch_x;
-                touch->y0 = touch_y;
-            } else if (touch->t) {
-                int dt = now - touch->t;
-                int vx = ((int)touch_x - touch->x) * (int)(RTC_FREQ) / dt;
-                int vy = ((int)touch_y - touch->y) * (int)(RTC_FREQ) / dt;
-                touch->vx = touch->vx ? (vx + touch->vx * EVE_TRAVG) / (EVE_TRAVG + 1) : vx;
-                touch->vy = touch->vy ? (vy + touch->vy * EVE_TRAVG) / (EVE_TRAVG + 1) : vy;
-                touch->t = now;
-            }
-            touch->x = touch_x;
-            touch->y = touch_y;
-            if (_multitouch || (flags & EVE_INT_TAG)) {
-                touch_tag = eve_read8(_reg_tag[i]);
-            } else {
-                touch_tag = touch->tag;
-            }
-            touch_ex = 1;
-        } else {
-            touch_tag = 0;
-            if (touch->x != EVE_NOTOUCH) {
-                touch->evt |= EVE_TOUCH_ETYPE_POINT_UP;
-                if (_touch_timer.tag && (i == 0)) {
-                    _touch_timer.evt &= ~EVE_TOUCH_ETYPE_LPRESS;
-                    if (!_touch_timer.evt) {
-                        eos_timer_clear(EOS_TIMER_ETYPE_UI);
-                        _touch_timer_clear();
-                    }
-                }
-                if (touch->tracker.tag && touch->tracker.track) {
-                    if (!_touch_timer.tag && (_tag_opt[touch->tracker.tag] & EVE_TOUCH_OPT_INERT)) {
-                        _touch_timer.x0 = touch->x;
-                        _touch_timer.y0 = touch->y;
-                        _touch_timer.tag = touch->tracker.tag;
-                        _touch_timer.idx = i;
-                        _touch_timer.evt = EVE_TOUCH_ETYPE_TRACK;
-                        eos_timer_set(EVE_TIMEOUT_TRACK, EOS_TIMER_ETYPE_UI, 0);
-                    } else {
-                        touch->evt |= EVE_TOUCH_ETYPE_TRACK_STOP;
-                    }
-                }
-                touch->x = EVE_NOTOUCH;
-                touch->y = EVE_NOTOUCH;
-            }
-        }
-        if (touch_tag != touch->tag) {
-            if (touch_tag) {
-                if (!touch->tag0) {
-                    touch->tag0 = touch_tag;
-                    if (_tag_opt[touch_tag] & EVE_TOUCH_OPT_TRACK_MASK) {
-                        touch->tracker.tag = touch_tag;
-                    } else if (_tag_opt[EVE_TAG_SCREEN] & EVE_TOUCH_OPT_TRACK_MASK) {
-                        touch->tracker.tag = EVE_TAG_SCREEN;
-                    }
-                    if (touch->tracker.tag && !(_tag_opt[touch->tracker.tag] & EVE_TOUCH_OPT_TRACK_XY)) {
-                        touch->tracker.track = 1;
-                        touch->evt |= EVE_TOUCH_ETYPE_TRACK_START;
-                        if (!touch->t && (_tag_opt[touch->tracker.tag] & EVE_TOUCH_OPT_INERT)) touch->t = now;
-                    }
-                    if (!_tag0 && ((_tag_opt[touch_tag] | _tag_opt[EVE_TAG_SCREEN]) & EVE_TOUCH_OPT_TIMER_MASK)) {
-                        _touch_timer.tag = _tag_opt[touch_tag] & EVE_TOUCH_OPT_TIMER_MASK ? touch_tag : EVE_TAG_SCREEN;
-                        _touch_timer.idx = 0;
-                        _touch_timer.evt = 0;
-                        if (_tag_opt[_touch_timer.tag] & EVE_TOUCH_OPT_LPRESS) _touch_timer.evt |= EVE_TOUCH_ETYPE_LPRESS;
-                        if (_tag_opt[_touch_timer.tag] & EVE_TOUCH_OPT_DTAP) _touch_timer.evt |= EVE_TOUCH_ETYPE_TAP1;
-                        eos_timer_set(EVE_TIMEOUT_TAP, EOS_TIMER_ETYPE_UI, 0);
-                    }
-                }
-                if (!_tag0) _tag0 = tag0 = touch_tag;
-            }
-            touch->tag_up = touch->tag;
-            if (touch->tag_up) touch->evt |= EVE_TOUCH_ETYPE_TAG_UP;
-            touch->tag = touch_tag;
-            if (touch->tag) touch->evt |= EVE_TOUCH_ETYPE_TAG;
-        }
-        if (touch_xy != 0x80008000) {
-            char _track = touch->tracker.tag && !touch->tracker.track;
-            if (_track || _touch_timer.tag) {
-                int dx = touch->x - touch->x0;
-                int dy = touch->y - touch->y0;
-                dx = dx < 0 ? -dx : dx;
-                dy = dy < 0 ? -dy : dy;
-                if (_track) {
-                    if ((dx > EVE_THRESHOLD_X) && !(_tag_opt[touch->tracker.tag] & EVE_TOUCH_OPT_TRACK_X)) {
-                        touch->tracker.tag = 0;
-                    }
-                    if ((dy > EVE_THRESHOLD_Y) && !(_tag_opt[touch->tracker.tag] & EVE_TOUCH_OPT_TRACK_Y)) {
-                        touch->tracker.tag = 0;
-                    }
-                    if (touch->tracker.tag && ((dx > EVE_THRESHOLD_X) || (dy > EVE_THRESHOLD_Y))) {
-                        if (dx > EVE_THRESHOLD_X) {
-                            touch->evt |= touch->x > touch->x0 ? EVE_TOUCH_ETYPE_TRACK_RIGHT : EVE_TOUCH_ETYPE_TRACK_LEFT;
-                        }
-                        if (dy > EVE_THRESHOLD_Y) {
-                            touch->evt |= touch->y > touch->y0 ? EVE_TOUCH_ETYPE_TRACK_DOWN : EVE_TOUCH_ETYPE_TRACK_UP;
-                        }
-                        touch->tracker.track = 1;
-                        touch->evt |= EVE_TOUCH_ETYPE_TRACK_START;
-                        if (!touch->t && (_tag_opt[touch->tracker.tag] & EVE_TOUCH_OPT_INERT)) touch->t = now;
-                    }
-                }
-                if (_touch_timer.tag && ((dx > EVE_THRESHOLD_X) || (dy > EVE_THRESHOLD_Y))) {
-                    eos_timer_clear(EOS_TIMER_ETYPE_UI);
-                    _touch_timer_clear();
-                }
-            }
-            if (touch->tracker.tag && touch->tracker.track) {
-                touch->evt |= _tag_opt[touch->tracker.tag] & EVE_TOUCH_OPT_TRACK_MASK;
-            }
-            if (touch->evt & EVE_TOUCH_ETYPE_TRACK_REG) {
-                uint32_t touch_track = eve_read32(_reg_track[i]);
-                if (touch->tracker.tag == (touch_track & 0xff)) {
-                    touch->tracker.val = touch_track >> 16;
-                } else {
-                    touch->evt &= ~EVE_TOUCH_ETYPE_TRACK_REG;
-                }
-            }
-            if (touch->tracker.tag || _touch_timer.tag) int_ccomplete = 1;
-        }
-        if (touch->evt & EVE_TOUCH_EVT_MASK) touch_last = i + 1;
-        if (!_multitouch) break;
-        if (_touch_timer.tag) {
-            eos_timer_clear(EOS_TIMER_ETYPE_UI);
-            _touch_timer_clear();
-        }
-    }
-
-    if (!touch_ex) {
-        _tag0 = 0;
-        _multitouch = 0;
-    }
-
-    if (_multitouch) int_ccomplete = 1;
-
-    if (int_ccomplete && !(_intr_mask & EVE_INT_CONVCOMPLETE)) {
-        _intr_mask |= EVE_INT_CONVCOMPLETE;
-        eve_write8(REG_INT_MASK, _intr_mask);
-    }
-    if (!int_ccomplete && (_intr_mask & EVE_INT_CONVCOMPLETE)) {
-        _intr_mask &= ~EVE_INT_CONVCOMPLETE;
-        eve_write8(REG_INT_MASK, _intr_mask);
-    }
-
-    for (i=0; i<touch_last; i++) {
-        EVETouch *touch = &_touch[i];
-        if (_touch_handler && (touch->evt & EVE_TOUCH_EVT_MASK)) {
-            _touch_handler(_touch_handler_param, tag0, i);
-        }
-    }
-}
-
-static void handle_time(unsigned char type) {
-    if (_touch_handler && _touch_timer.tag) {
-        EVETouch *touch = &_touch[_touch_timer.idx];
-
-        if ((_touch_timer.evt & EVE_TOUCH_ETYPE_TAP1) && (touch->x != EVE_NOTOUCH)) _touch_timer.evt &= ~EVE_TOUCH_ETYPE_TAP1;
-
-        if (_touch_timer.evt) {
-            char more = 0;
-            int _x = touch->x;
-            int _y = touch->y;
-
-            touch->evt &= ~EVE_TOUCH_EVT_MASK;
-            touch->evt |= _touch_timer.evt;
-            if (touch->evt & EVE_TOUCH_ETYPE_TRACK) {
-                volatile uint64_t *mtime = (uint64_t *) (CLINT_CTRL_ADDR + CLINT_MTIME);
-                int dt = *mtime - touch->t;
-
-                if (_touch_timer.fc == 0) {
-                    double d = sqrt(touch->vx * touch->vx + touch->vy * touch->vy);
-                    _touch_timer.fc = (double)(RTC_FREQ) * d / EVE_FRICTION;
-                }
-
-                if (dt < _touch_timer.fc / 2) {
-                    more = 1;
-                } else {
-                    touch->evt |= EVE_TOUCH_ETYPE_TRACK_STOP;
-                    dt = _touch_timer.fc / 2;
-                }
-                touch->x = _touch_timer.x0 + (touch->vx * dt - touch->vx * dt / _touch_timer.fc * dt ) / (int)(RTC_FREQ);
-                touch->y = _touch_timer.y0 + (touch->vy * dt - touch->vy * dt / _touch_timer.fc * dt ) / (int)(RTC_FREQ);
-
-                if (more) eos_timer_set(EVE_TIMEOUT_TRACK, EOS_TIMER_ETYPE_UI, 0);
-            }
-
-
-            eos_spi_dev_start(EOS_DEV_DISP);
-            _touch_handler(_touch_handler_param, _touch_timer.tag, _touch_timer.idx);
-            eos_spi_dev_stop();
-
-            if (!more) _touch_timer_clear();
-            touch->x = _x;
-            touch->y = _y;
-        }
-    }
-}
-
-static void handle_evt(unsigned char type, unsigned char *buffer, uint16_t len) {
-    uint8_t flags;
-
-    eos_spi_dev_start(EOS_DEV_DISP);
-    flags = eve_read8(REG_INT_FLAGS) & _intr_mask;
-    handle_touch(flags);
-    eos_spi_dev_stop();
-
-    GPIO_REG(GPIO_LOW_IP) = (1 << EVE_PIN_INTR);
-    GPIO_REG(GPIO_LOW_IE) |= (1 << EVE_PIN_INTR);
-}
-
-static void handle_intr(void) {
-    GPIO_REG(GPIO_LOW_IE) &= ~(1 << EVE_PIN_INTR);
-    eos_evtq_push_isr(EOS_EVT_UI | EVE_ETYPE_INTR, NULL, 0);
-    return;
-}
-
-int eve_init(uint32_t *touch_transform) {
-    int i;
-	uint8_t chipid = 0;
-	uint16_t timeout = 0;
-
-    eve_command(EVE_RST_PULSE, 0);
-    eve_command(EVE_CLKEXT, 0);
-    eve_command(EVE_ACTIVE, 0);         /* start EVE */
-
-    while(chipid != 0x7C) {             /* if chipid is not 0x7c, continue to read it until it is, EVE needs a moment for it's power on self-test and configuration */
-		eos_timer_sleep(1);
-		chipid = eve_read8(REG_ID);
-		timeout++;
-		if (timeout > 400) return EOS_ERR;
-	}
-
-    eve_write8(REG_PWM_DUTY, 0);
-
-    /* Initialize Display */
-	eve_write16(REG_HCYCLE,  EVE_HCYCLE);   /* total number of clocks per line, incl front/back porch */
-	eve_write16(REG_HOFFSET, EVE_HOFFSET);  /* start of active line */
-	eve_write16(REG_HSYNC0,  EVE_HSYNC0);   /* start of horizontal sync pulse */
-	eve_write16(REG_HSYNC1,  EVE_HSYNC1);   /* end of horizontal sync pulse */
-	eve_write16(REG_VCYCLE,  EVE_VCYCLE);   /* total number of lines per screen, including pre/post */
-	eve_write16(REG_VOFFSET, EVE_VOFFSET);  /* start of active screen */
-	eve_write16(REG_VSYNC0,  EVE_VSYNC0);   /* start of vertical sync pulse */
-	eve_write16(REG_VSYNC1,  EVE_VSYNC1);   /* end of vertical sync pulse */
-	eve_write8(REG_SWIZZLE,  EVE_SWIZZLE);  /* FT8xx output to LCD - pin order */
-	eve_write8(REG_PCLK_POL, EVE_PCLKPOL);  /* LCD data is clocked in on this PCLK edge */
-	eve_write8(REG_CSPREAD,	 EVE_CSPREAD);  /* helps with noise, when set to 1 fewer signals are changed simultaneously, reset-default: 1 */
-	eve_write16(REG_HSIZE,   EVE_HSIZE);    /* active display width */
-	eve_write16(REG_VSIZE,   EVE_VSIZE);    /* active display height */
-
-	/* do not set PCLK yet - wait for just after the first display list */
-
-	/* configure Touch */
-	eve_write8(REG_TOUCH_MODE, EVE_TMODE_CONTINUOUS);       /* enable touch */
-	eve_write16(REG_TOUCH_RZTHRESH, EVE_TOUCH_RZTHRESH);    /* eliminate any false touches */
-
-	/* disable Audio for now */
-	eve_write8(REG_VOL_PB, 0x00);       /* turn recorded audio volume down */
-	eve_write8(REG_VOL_SOUND, 0x00);    /* turn synthesizer volume off */
-	eve_write16(REG_SOUND, 0x6000);     /* set synthesizer to mute */
-
-	/* write a basic display-list to get things started */
-    eve_dl_start(EVE_RAM_DL);
-    eve_dl_write(CLEAR_COLOR_RGB(0,0,0));
-	eve_dl_write(CLEAR(1,1,1));
-    eve_dl_write(DISPLAY());
-    eve_dl_swap();
-
-	/* nothing is being displayed yet... the pixel clock is still 0x00 */
-	eve_write8(REG_GPIO, 0x80);         /* enable the DISP signal to the LCD panel, it is set to output in REG_GPIO_DIR by default */
-	eve_write8(REG_PCLK, EVE_PCLK);     /* now start clocking data to the LCD panel */
-
-    eve_write8(REG_INT_EN, 0x01);
-    eve_write8(REG_INT_MASK, _intr_mask);
-    while(eve_read8(REG_INT_FLAGS));
-
-    if (touch_transform) {
-        eve_write32(REG_TOUCH_TRANSFORM_A, touch_transform[0]);
-        eve_write32(REG_TOUCH_TRANSFORM_B, touch_transform[1]);
-        eve_write32(REG_TOUCH_TRANSFORM_C, touch_transform[2]);
-        eve_write32(REG_TOUCH_TRANSFORM_D, touch_transform[3]);
-        eve_write32(REG_TOUCH_TRANSFORM_E, touch_transform[4]);
-        eve_write32(REG_TOUCH_TRANSFORM_F, touch_transform[5]);
-    } else {
-        uint32_t touch_transform[6];
-        eve_cmd_dl(CMD_DLSTART);
-        eve_cmd_dl(CLEAR_COLOR_RGB(0,0,0));
-        eve_cmd_dl(CLEAR(1,1,1));
-        eve_cmd(CMD_TEXT, "hhhhs", EVE_HSIZE/2, EVE_VSIZE/2, 27, EVE_OPT_CENTER, "Please tap on the dot.");
-        eve_cmd(CMD_CALIBRATE, "w", 0);
-        eve_cmd_dl(DISPLAY());
-        eve_cmd_dl(CMD_SWAP);
-        eve_cmd_exec(1);
-
-        touch_transform[0] = eve_read32(REG_TOUCH_TRANSFORM_A);
-        touch_transform[1] = eve_read32(REG_TOUCH_TRANSFORM_B);
-        touch_transform[2] = eve_read32(REG_TOUCH_TRANSFORM_C);
-        touch_transform[3] = eve_read32(REG_TOUCH_TRANSFORM_D);
-        touch_transform[4] = eve_read32(REG_TOUCH_TRANSFORM_E);
-        touch_transform[5] = eve_read32(REG_TOUCH_TRANSFORM_F);
-
-        printf("TOUCH TRANSFORM:{0x%x,0x%x,0x%x,0x%x,0x%x,0x%x}\n", touch_transform[0], touch_transform[1], touch_transform[2], touch_transform[3], touch_transform[4], touch_transform[5]);
-    }
-
-    eve_write32(REG_CTOUCH_EXTENDED, 0x00);
-    eve_cmd(CMD_SETROTATE, "w", 2);
-    eve_cmd_exec(1);
-
-    eos_timer_sleep(500);
-    eve_command(EVE_STANDBY, 0);
-
-    for (i=0; i<EVE_MAX_TOUCH; i++) {
-        EVETouch *touch = &_touch[i];
-        touch->x = EVE_NOTOUCH;
-        touch->y = EVE_NOTOUCH;
-    }
-    eos_evtq_set_handler(EOS_EVT_UI, handle_evt);
-    eos_timer_set_handler(EOS_TIMER_ETYPE_UI, handle_time);
-
-    GPIO_REG(GPIO_INPUT_EN)     |=  (1 << EVE_PIN_INTR);
-    GPIO_REG(GPIO_OUTPUT_EN)    &= ~(1 << EVE_PIN_INTR);
-    GPIO_REG(GPIO_PULLUP_EN)    &= ~(1 << EVE_PIN_INTR);
-    GPIO_REG(GPIO_OUTPUT_XOR)   &= ~(1 << EVE_PIN_INTR);
-
-    GPIO_REG(GPIO_LOW_IE)       |=  (1 << EVE_PIN_INTR);
-    eos_intr_set(INT_GPIO_BASE + EVE_PIN_INTR, IRQ_PRIORITY_UI, handle_intr);
-
-    return EOS_OK;
-}
-
-void eve_touch_set_handler(eve_touch_handler_t handler, void *param) {
-    _touch_handler = handler;
-    _touch_handler_param = param;
-}
-
-EVETouch *eve_touch_evt(uint8_t tag0, int touch_idx, uint8_t tag_min, uint8_t tag_max, uint16_t *evt) {
-    uint8_t _tag;
-    uint16_t _evt;
-    EVETouch *ret = NULL;
-
-    *evt = 0;
-    if ((touch_idx < 0) || (touch_idx > 4)) return ret;
-    if ((tag0 < tag_min) || (tag0 > tag_max)) return ret;
-
-    ret = &_touch[touch_idx];
-    _evt = ret->evt;
-
-    *evt |= _evt & EVE_TOUCH_ETYPE_POINT_MASK;
-    if (_evt & EVE_TOUCH_ETYPE_TAG) {
-        _tag = ret->tag;
-        if ((_tag >= tag_min) && (_tag <= tag_max)) *evt |= EVE_TOUCH_ETYPE_TAG;
-    }
-    if (_evt & EVE_TOUCH_ETYPE_TAG_UP) {
-        _tag = ret->tag_up;
-        if ((_tag >= tag_min) && (_tag <= tag_max)) *evt |= EVE_TOUCH_ETYPE_TAG_UP;
-    }
-    if (_evt & EVE_TOUCH_ETYPE_TRACK_MASK) {
-        _tag = ret->tracker.tag;
-        if ((_tag >= tag_min) && (_tag <= tag_max)) *evt |= _evt & (EVE_TOUCH_ETYPE_TRACK_MASK | EVE_TOUCH_ETYPE_TRACK_XY);
-    }
-    if (_evt & (EVE_TOUCH_ETYPE_LPRESS | EVE_TOUCH_ETYPE_TAP1 | EVE_TOUCH_ETYPE_TAP2)) {
-        _tag = _touch_timer.tag;
-        if ((_tag >= tag_min) && (_tag <= tag_max)) *evt |= _evt & (EVE_TOUCH_ETYPE_LPRESS | EVE_TOUCH_ETYPE_TAP1 | EVE_TOUCH_ETYPE_TAP2);
-    }
-
-    return ret;
-}
-
-void eve_touch_set_opt(uint8_t tag, uint8_t opt) {
-    _tag_opt[tag] = opt;
-}
-
-EVETouchTimer *eve_touch_get_timer(void) {
-    return &_touch_timer;
-}
-