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#include <stdlib.h>
#include <stdio.h>
#include "platform.h"
#include "eos.h"
#include "event.h"
#include "board.h"
#include "soc/interrupt.h"
#include "soc/pwr.h"
#include "soc/i2s.h"
#include "eve/eve.h"
#include "eve/eve_touch_engine.h"
#include "eve.h"
#define EVE_POLL_INTERVAL 2
static void handle_time(unsigned char type) {
eve_select();
eve_handle_time();
eve_deselect();
}
static void handle_poll(unsigned char type) {
if (eos_eve_intr_enabled()) return;
eve_select();
eve_handle_intr();
eve_deselect();
}
static void handle_intr_evt(unsigned char type, unsigned char *buffer, uint16_t len) {
if (!eos_eve_intr_enabled()) return;
eve_select();
eve_handle_intr();
eve_deselect();
GPIO_REG(GPIO_LOW_IE) |= (1 << EVE_PIN_INTR);
}
static void handle_intr(void) {
GPIO_REG(GPIO_LOW_IE) &= ~(1 << EVE_PIN_INTR);
GPIO_REG(GPIO_LOW_IP) = (1 << EVE_PIN_INTR);
eos_evtq_push_isr(EOS_EVT_EVE | EVE_ETYPE_INTR, NULL, 0);
}
int eos_eve_init(uint8_t wakeup_cause) {
int rst = (wakeup_cause == EOS_PWR_WAKE_RST);
int rv = EVE_OK;
eve_select();
if (rst) {
rv = eve_init();
if (!rv) {
eve_gpio_set_dir(EVE_GPIO_DIR);
eve_touch_init_engine();
}
} else {
eve_activate();
}
eve_deselect();
if (rv) return EOS_ERR;
eve_touch_init();
eos_evtq_set_handler(EOS_EVT_EVE, handle_intr_evt);
eos_timer_set_handler(EOS_TIMER_ETYPE_UI, handle_time);
eos_intr_set_handler(INT_GPIO_BASE + EVE_PIN_INTR, handle_intr);
eos_intr_set_priority(INT_GPIO_BASE + EVE_PIN_INTR, IRQ_PRIORITY_EVE);
return EOS_OK;
}
void eos_eve_calibrate(void) {
uint32_t matrix[6];
int r;
eve_select();
eve_brightness(0x40);
eve_touch_set_extended(0);
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_exec(0);
do {
r = eve_cmd_done();
if (r < 0) break;
eve_deselect();
eos_evtq_exec();
eve_select();
} while (!r);
eve_touch_set_extended(1);
eve_brightness(0);
eve_touch_get_matrix(matrix);
eve_deselect();
printf("TOUCH MATRIX:\n");
printf("uint32_t touch_matrix[6] = {0x%x,0x%x,0x%x,0x%x,0x%x,0x%x}\n", matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]);
}
void eos_eve_set_tmatrix(const uint32_t *matrix) {
eve_select();
eve_touch_set_matrix(matrix);
eve_deselect();
}
int eos_eve_run(uint8_t wakeup_cause) {
eve_select();
eve_touch_start();
eve_intr_enable();
eve_clk_start();
eve_deselect();
eos_eve_intr_enable();
return EOS_OK;
}
void eos_eve_intr_enable(void) {
GPIO_REG(GPIO_INPUT_EN) |= (1 << EVE_PIN_INTR);
GPIO_REG(GPIO_LOW_IE) |= (1 << EVE_PIN_INTR);
eos_intr_enable(INT_GPIO_BASE + EVE_PIN_INTR);
eos_timer_set_handler(EOS_TIMER_ETYPE_EVE, NULL);
}
void eos_eve_intr_disable(void) {
eos_intr_disable(INT_GPIO_BASE + EVE_PIN_INTR);
GPIO_REG(GPIO_LOW_IE) &= ~(1 << EVE_PIN_INTR);
GPIO_REG(GPIO_INPUT_EN) &= ~(1 << EVE_PIN_INTR);
eos_timer_set_handler(EOS_TIMER_ETYPE_EVE, handle_poll);
}
int eos_eve_intr_enabled(void) {
return !!(GPIO_REG(GPIO_INPUT_EN) & (1 << EVE_PIN_INTR));
}
void eos_eve_poll(void) {
if (eos_eve_intr_enabled()) return;
if (eos_timer_get(EOS_TIMER_ETYPE_EVE) != EOS_TIMER_NONE) return;
eos_timer_set(EOS_TIMER_ETYPE_EVE, EVE_POLL_INTERVAL);
}
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