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Diffstat (limited to 'code/fe310/eos/eve/eve.c')
-rw-r--r--code/fe310/eos/eve/eve.c411
1 files changed, 0 insertions, 411 deletions
diff --git a/code/fe310/eos/eve/eve.c b/code/fe310/eos/eve/eve.c
deleted file mode 100644
index 1db5744..0000000
--- a/code/fe310/eos/eve/eve.c
+++ /dev/null
@@ -1,411 +0,0 @@
-#include <stdlib.h>
-#include <stdarg.h>
-#include <stdio.h>
-
-#include "eve.h"
-
-#define EVE_MEM_WRITE 0x800000
-
-static char _cmd_burst;
-static uint16_t _cmd_offset;
-static uint32_t _dl_addr;
-static uint32_t *_touch_calib;
-static uint8_t _brigtness;
-static uint8_t _power_state;
-
-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);
- eve_spi_cs_clear();
-}
-
-uint8_t eve_read8(uint32_t addr) {
- uint8_t r;
- eve_spi_cs_set();
- eve_spi_xchg32(addr << 8, 0);
- r = eve_spi_xchg8(0, EVE_SPI_FLAG_BSWAP);
- eve_spi_cs_clear();
-
- return r;
-}
-
-uint16_t eve_read16(uint32_t addr) {
- uint16_t r;
- eve_spi_cs_set();
- eve_spi_xchg32(addr << 8, 0);
- r = eve_spi_xchg16(0, EVE_SPI_FLAG_BSWAP);
- eve_spi_cs_clear();
-
- return r;
-}
-
-uint32_t eve_read32(uint32_t addr) {
- uint32_t r;
- eve_spi_cs_set();
- eve_spi_xchg32(addr << 8, 0);
- r = eve_spi_xchg32(0, EVE_SPI_FLAG_BSWAP);
- eve_spi_cs_clear();
-
- return r;
-}
-
-void eve_write8(uint32_t addr, uint8_t data) {
- eve_spi_cs_set();
- eve_spi_xchg24(addr | EVE_MEM_WRITE, 0);
- eve_spi_xchg8(data, EVE_SPI_FLAG_BSWAP);
- eve_spi_cs_clear();
-}
-
-void eve_write16(uint32_t addr, uint16_t data) {
- eve_spi_cs_set();
- eve_spi_xchg24(addr | EVE_MEM_WRITE, 0);
- eve_spi_xchg16(data, EVE_SPI_FLAG_BSWAP);
- eve_spi_cs_clear();
-}
-
-void eve_write32(uint32_t addr, uint32_t data) {
- eve_spi_cs_set();
- eve_spi_xchg24(addr | EVE_MEM_WRITE, 0);
- eve_spi_xchg32(data, EVE_SPI_FLAG_BSWAP);
- eve_spi_cs_clear();
-}
-
-void eve_readb(uint32_t addr, uint8_t *b, size_t size) {
- int i;
-
- eve_spi_cs_set();
- eve_spi_xchg32(addr << 8, 0);
- for (i=0; i<size; i++) {
- b[i] = eve_spi_xchg8(0, 0);
- }
- eve_spi_cs_clear();
-}
-
-void eve_writeb(uint32_t addr, uint8_t *b, size_t size) {
- int i;
-
- eve_spi_cs_set();
- eve_spi_xchg24(addr | EVE_MEM_WRITE, 0);
- for (i=0; i<size; i++) {
- eve_spi_xchg8(b[i], 0);
- }
- eve_spi_cs_clear();
-}
-
-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 = EVE_SPI_FLAG_TX;
- } else {
- uint32_t addr = EVE_RAM_CMD + _cmd_offset;
- eve_spi_cs_set();
- eve_spi_xchg24(addr | EVE_MEM_WRITE, 0);
- }
- eve_spi_xchg32(command, EVE_SPI_FLAG_BSWAP | flags);
- _cmd_inc(4);
-}
-
-static void _cmd_end(void) {
- if (!_cmd_burst) eve_spi_cs_clear();
-}
-
-static void _cmd_string(const char *s, uint8_t flags) {
- int i = 0;
-
- while (s[i] != 0) {
- eve_spi_xchg8(s[i], flags);
- i++;
- }
- eve_spi_xchg8(0, flags);
- i++;
- _cmd_inc(i);
-}
-
-static void _cmd_buffer(const char *b, int size, uint8_t flags) {
- int i = 0;
-
- for (i=0; i<size; i++) {
- eve_spi_xchg8(b[i], flags);
- }
- _cmd_inc(size);
-}
-
-void eve_cmd(uint32_t cmd, const char *fmt, ...) {
- uint8_t flags = _cmd_burst ? (EVE_SPI_FLAG_TX | EVE_SPI_FLAG_BSWAP) : EVE_SPI_FLAG_BSWAP;
- va_list argv;
- uint16_t *p;
- int i = 0;
-
- va_start(argv, fmt);
- _cmd_begin(cmd);
- while (fmt[i]) {
- switch (fmt[i]) {
- case 'b':
- eve_spi_xchg8(va_arg(argv, int), flags);
- _cmd_inc(1);
- break;
- case 'h':
- eve_spi_xchg16(va_arg(argv, int), flags);
- _cmd_inc(2);
- break;
- case 'w':
- eve_spi_xchg32(va_arg(argv, int), flags);
- _cmd_inc(4);
- break;
- case '&':
- p = va_arg(argv, uint16_t *);
- *p = _cmd_offset;
- eve_spi_xchg32(0, 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++;
- }
- va_end(argv);
- /* 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) {
- eve_spi_xchg8(0, flags);
- i--;
- }
- }
- _cmd_end();
-}
-
-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 EVE_ERR;
- }
- return EVE_OK;
-}
-
-void eve_cmd_burst_start(void) {
- uint32_t addr = EVE_RAM_CMD + _cmd_offset;
- eve_spi_cs_set();
- eve_spi_xchg24(addr | EVE_MEM_WRITE, EVE_SPI_FLAG_TX);
- _cmd_burst = 1;
-}
-
-void eve_cmd_burst_end(void) {
- eve_spi_flush();
- eve_spi_cs_clear();
- _cmd_burst = 0;
-}
-
-void eve_active(void) {
- eve_command(EVE_ACTIVE, 0);
- if (_power_state == EVE_PSTATE_SLEEP) eve_time_sleep(40);
-
- eve_write8(REG_PWM_DUTY, _brigtness);
- if (_power_state != EVE_PSTATE_SLEEP) return;
-
- eve_write8(REG_TOUCH_MODE, EVE_TMODE_CONTINUOUS);
- eve_write8(REG_CTOUCH_EXTENDED, 0x00);
-
- _power_state = EVE_PSTATE_ACTIVE;
-}
-
-void eve_standby(void) {
- if (_power_state != EVE_PSTATE_ACTIVE) return;
-
- _brigtness = eve_read8(REG_PWM_DUTY);
- eve_command(EVE_STANDBY, 0);
-
- _power_state = EVE_PSTATE_STANDBY;
-}
-
-void eve_sleep(void) {
- if (_power_state != EVE_PSTATE_ACTIVE) return;
-
- _brigtness = eve_read8(REG_PWM_DUTY);
- eve_write8(REG_PWM_DUTY, 0x0);
-
- eve_write8(REG_CTOUCH_EXTENDED, 0x01);
- eve_write8(REG_TOUCH_MODE, EVE_TMODE_OFF);
-
- eve_time_sleep(500);
- eve_command(EVE_SLEEP, 0);
-
- _power_state = EVE_PSTATE_SLEEP;
-}
-
-void eve_brightness(uint8_t b) {
- eve_write8(REG_PWM_DUTY, b);
-}
-
-void eve_set_touch_calibration(uint32_t *matrix) {
- _touch_calib = matrix;
-}
-
-static int _init(void) {
- 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 */
- eve_time_sleep(1);
- chipid = eve_read8(REG_ID);
- timeout++;
- if (timeout > 400) return EVE_ERR;
- }
-
- eve_write8(REG_PWM_DUTY, 0);
- eve_write16(REG_GPIOX, 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 */
-
- /* disable Audio */
- eve_write16(REG_SOUND, 0x0000); /* set synthesizer to silence */
- eve_write8(REG_VOL_SOUND, 0x00); /* turn synthesizer volume off */
- eve_write8(REG_VOL_PB, 0x00); /* turn recorded audio volume off */
-
- /* 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_write16(REG_GPIOX, 0x8000); /* enable the DISP signal to the LCD panel, it is set to output in REG_GPIOX_DIR by default */
- eve_write8(REG_PCLK, EVE_PCLK); /* now start clocking data to the LCD panel */
-
- /* configure Touch */
- eve_write16(REG_TOUCH_CONFIG, 0xb81); /* enable touch low power mode: 0xb81 - default: 0x381 */
- eve_write8(REG_TOUCH_MODE, EVE_TMODE_CONTINUOUS); /* enable touch */
- eve_write16(REG_TOUCH_RZTHRESH, EVE_TOUCH_RZTHRESH); /* eliminate any false touches */
-
- if (_touch_calib) {
- eve_write32(REG_TOUCH_TRANSFORM_A, _touch_calib[0]);
- eve_write32(REG_TOUCH_TRANSFORM_B, _touch_calib[1]);
- eve_write32(REG_TOUCH_TRANSFORM_C, _touch_calib[2]);
- eve_write32(REG_TOUCH_TRANSFORM_D, _touch_calib[3]);
- eve_write32(REG_TOUCH_TRANSFORM_E, _touch_calib[4]);
- eve_write32(REG_TOUCH_TRANSFORM_F, _touch_calib[5]);
- } else {
- uint32_t touch_calib[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_calib[0] = eve_read32(REG_TOUCH_TRANSFORM_A);
- touch_calib[1] = eve_read32(REG_TOUCH_TRANSFORM_B);
- touch_calib[2] = eve_read32(REG_TOUCH_TRANSFORM_C);
- touch_calib[3] = eve_read32(REG_TOUCH_TRANSFORM_D);
- touch_calib[4] = eve_read32(REG_TOUCH_TRANSFORM_E);
- touch_calib[5] = eve_read32(REG_TOUCH_TRANSFORM_F);
-
- printf("TOUCH TRANSFORM:{0x%x,0x%x,0x%x,0x%x,0x%x,0x%x}\n", touch_calib[0], touch_calib[1], touch_calib[2], touch_calib[3], touch_calib[4], touch_calib[5]);
- }
-
- eve_write8(REG_CTOUCH_EXTENDED, 0x00);
-
- eve_cmd(CMD_SETROTATE, "w", 2);
- eve_cmd_exec(1);
-
- return EVE_OK;
-}
-
-int eve_init(int pwr_on) {
- if (pwr_on) {
- int rv = _init();
- if (rv) return rv;
- } else {
- _power_state = EVE_PSTATE_SLEEP;
- eve_active();
- }
-
- eve_touch_init();
- eve_track_init();
- eve_platform_init();
-
- return EVE_OK;
-}
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