diff options
Diffstat (limited to 'code/fe310/eos/eve/eve.c')
| -rw-r--r-- | code/fe310/eos/eve/eve.c | 376 |
1 files changed, 5 insertions, 371 deletions
diff --git a/code/fe310/eos/eve/eve.c b/code/fe310/eos/eve/eve.c index adfe5f9..1a51891 100644 --- a/code/fe310/eos/eve/eve.c +++ b/code/fe310/eos/eve/eve.c @@ -1,64 +1,15 @@ #include <stdlib.h> -#include <string.h> #include <stdarg.h> #include <stdio.h> -#include <math.h> #include "eve.h" -#include "eve_platform.h" -#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 -#define EVE_MAX_TOUCH 5 -#define EVE_TAG_SCREEN 0xff - 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) { eve_spi_cs_set(); eve_spi_xchg24(((uint32_t)command << 16) | ((uint32_t)parameter << 8), 0); @@ -289,257 +240,7 @@ void eve_cmd_burst_end(void) { _cmd_burst = 0; } -static void _touch_timer_clear(void) { - eve_timer_clear(); - _touch_timer.tag = 0; - _touch_timer.fc = 0; -} - -void eve_handle_touch(void) { - int i; - char touch_ex = 0; - char int_ccomplete = 0; - uint8_t tag0 = _tag0; - uint8_t touch_last = 0; - uint8_t flags = eve_read8(REG_INT_FLAGS) & _intr_mask; - - if (!_multitouch && (flags & EVE_INT_TOUCH)) _multitouch = 1; - for (i=0; i<EVE_MAX_TOUCH; i++) { - uint8_t touch_tag; - uint32_t touch_xy; - 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 = eve_timer_get_tick(); - 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); - } - _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)(EVE_RTC_FREQ) / dt; - int vy = ((int)touch_y - touch->y) * (int)(EVE_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) { - _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; - eve_timer_set(EVE_TIMEOUT_TRACK); - } 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; - 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; - eve_timer_set(EVE_TIMEOUT_TAP); - } - } - 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; - touch->t = now; - } - } - if (_touch_timer.tag && ((dx > EVE_THRESHOLD_X) || (dy > EVE_THRESHOLD_Y))) { - _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) { - _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); - } - } -} - -void eve_handle_time(void) { - 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) { - int dt = eve_timer_get_tick() - touch->t; - - if (_touch_timer.fc == 0) { - double d = sqrt(touch->vx * touch->vx + touch->vy * touch->vy); - _touch_timer.fc = (double)(EVE_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)(EVE_RTC_FREQ); - touch->y = _touch_timer.y0 + (touch->vy * dt - touch->vy * dt / _touch_timer.fc * dt ) / (int)(EVE_RTC_FREQ); - - if (more) eve_timer_set(EVE_TIMEOUT_TRACK); - } - - _touch_handler(_touch_handler_param, _touch_timer.tag, _touch_timer.idx); - - if (!more) _touch_timer_clear(); - touch->x = _x; - touch->y = _y; - } - } -} - int eve_init(uint32_t *touch_transform) { - int i; uint8_t chipid = 0; uint16_t timeout = 0; @@ -547,7 +248,7 @@ int eve_init(uint32_t *touch_transform) { 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 */ + 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 */ eve_sleep(1); chipid = eve_read8(REG_ID); timeout++; @@ -593,10 +294,6 @@ int eve_init(uint32_t *touch_transform) { 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]); @@ -629,75 +326,12 @@ int eve_init(uint32_t *touch_transform) { eve_cmd(CMD_SETROTATE, "w", 2); eve_cmd_exec(1); + eve_init_touch(); + eve_init_track(); + eve_init_platform(); + eve_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; - } - - eve_init_platform(); return EVE_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 ((tag_min == 0) || (tag_max == 0)) 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_REG) { - _tag = ret->tracker.tag; - if ((_tag >= tag_min) && (_tag <= tag_max)) *evt |= EVE_TOUCH_ETYPE_TRACK_REG; - } - 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; -} - -uint8_t eve_touch_get_opt(uint8_t tag) { - return _tag_opt[tag]; -} - -void eve_touch_clear_opt(void) { - memset(_tag_opt, 0, sizeof(_tag_opt)); -} - -EVETouchTimer *eve_touch_get_timer(void) { - return &_touch_timer; -} - |