diff options
Diffstat (limited to 'code/fe310/eos/eve.c')
| -rw-r--r-- | code/fe310/eos/eve.c | 733 |
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; -} - |