diff options
Diffstat (limited to 'code/fe310/eos/eve/eve.c')
| -rw-r--r-- | code/fe310/eos/eve/eve.c | 733 |
1 files changed, 733 insertions, 0 deletions
diff --git a/code/fe310/eos/eve/eve.c b/code/fe310/eos/eve/eve.c new file mode 100644 index 0000000..8de0362 --- /dev/null +++ b/code/fe310/eos/eve/eve.c @@ -0,0 +1,733 @@ +#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; +} + |