144 lines
3.9 KiB
C++
144 lines
3.9 KiB
C++
#include "wires.h"
|
|
|
|
static const char *TAG = "wires";
|
|
|
|
static const uint32_t STRIKE_TIME_PENALTY = 30'000;
|
|
|
|
static bool button_state;
|
|
static bool button_pressed;
|
|
static bool button_released;
|
|
|
|
static uint8_t wires_state;
|
|
static uint8_t wires_cut;
|
|
|
|
static uint8_t buf[8];
|
|
|
|
static void poll_wires_task(void *arg);
|
|
static void receive_wires(void);
|
|
static void receive_button(void);
|
|
|
|
void init_wires(void) {
|
|
i2c_config_t wires_conf = {
|
|
.mode = I2C_MODE_MASTER,
|
|
.sda_io_num = GPIO_NUM_41,
|
|
.scl_io_num = GPIO_NUM_42,
|
|
.sda_pullup_en = GPIO_PULLUP_ENABLE,
|
|
.scl_pullup_en = GPIO_PULLUP_ENABLE,
|
|
.master = {
|
|
.clk_speed = 100000,
|
|
}
|
|
};
|
|
|
|
gpio_reset_pin(GPIO_NUM_41);
|
|
gpio_reset_pin(GPIO_NUM_42);
|
|
|
|
ESP_ERROR_CHECK(i2c_param_config(WIRES_I2C_NUM, &wires_conf));
|
|
ESP_ERROR_CHECK(i2c_driver_install(WIRES_I2C_NUM, wires_conf.mode, 0, 0, 0));
|
|
|
|
gpio_config_t int_pin_conf = {};
|
|
// delta_pin_conf.intr_type = GPIO_INTR_LOW_LEVEL;
|
|
int_pin_conf.mode = GPIO_MODE_INPUT;
|
|
int_pin_conf.pin_bit_mask = (1ULL<<WIRES_PIN_DELTA);
|
|
int_pin_conf.pull_up_en = GPIO_PULLUP_ENABLE;
|
|
gpio_config(&int_pin_conf);
|
|
|
|
receive_button();
|
|
receive_wires();
|
|
|
|
xTaskCreate(poll_wires_task, "poll_wires", 4096, NULL, 10, NULL);
|
|
}
|
|
|
|
uint8_t get_wires(void) {
|
|
return wires_state;
|
|
}
|
|
uint8_t get_cut_wires(void) {
|
|
uint8_t return_ = wires_cut;
|
|
wires_cut = 0;
|
|
return return_;
|
|
}
|
|
|
|
bool get_help_button(void) {
|
|
return button_state;
|
|
}
|
|
bool get_help_button_pressed(void) {
|
|
bool return_ = button_pressed;
|
|
button_pressed = false;
|
|
return return_;
|
|
}
|
|
bool get_help_button_released(void) {
|
|
bool return_ = button_released;
|
|
button_released = false;
|
|
return return_;
|
|
}
|
|
|
|
void clear_wires_pressed_released_cut(void) {
|
|
wires_cut = 0;
|
|
button_pressed = false;
|
|
button_released = false;
|
|
}
|
|
|
|
void strike(char* reason) {
|
|
ESP_LOGW("strike!", "%s", reason);
|
|
lcd_set_cursor(&lcd, 0, 3);
|
|
lcd_print(&lcd, reason);
|
|
set_game_time(get_game_time() - STRIKE_TIME_PENALTY);
|
|
uint8_t reg = 6;
|
|
ESP_ERROR_CHECK_WITHOUT_ABORT(i2c_master_write_to_device(WIRES_I2C_NUM, WIRES_I2C_ADDR, ®, 1, (100 / portTICK_PERIOD_MS)));
|
|
}
|
|
|
|
void set_leds(uint8_t led_states) {
|
|
buf[0] = 5; // register 5
|
|
buf[1] = led_states;
|
|
ESP_ERROR_CHECK_WITHOUT_ABORT(i2c_master_write_to_device(WIRES_I2C_NUM, WIRES_I2C_ADDR, buf, 2, (100 / portTICK_PERIOD_MS)));
|
|
}
|
|
|
|
static uint8_t receive_delta(void) {
|
|
uint8_t reg = 1;
|
|
buf[0] = 0;
|
|
ESP_ERROR_CHECK_WITHOUT_ABORT(i2c_master_write_read_device(WIRES_I2C_NUM, WIRES_I2C_ADDR, ®, 1, buf, 1, (100 / portTICK_PERIOD_MS)));
|
|
return buf[0];
|
|
}
|
|
|
|
static void receive_wires(void) {
|
|
uint8_t reg = 2;
|
|
buf[0] = 0;
|
|
ESP_ERROR_CHECK_WITHOUT_ABORT(i2c_master_write_read_device(WIRES_I2C_NUM, WIRES_I2C_ADDR, ®, 1, buf, 1, (100 / portTICK_PERIOD_MS)));
|
|
uint8_t new_wires = buf[0];
|
|
|
|
uint8_t just_cut = ~new_wires & wires_state;
|
|
wires_cut |= just_cut;
|
|
|
|
wires_state = new_wires;
|
|
}
|
|
|
|
static void receive_button(void) {
|
|
uint8_t reg = 3;
|
|
buf[0] = 0;
|
|
ESP_ERROR_CHECK_WITHOUT_ABORT(i2c_master_write_read_device(WIRES_I2C_NUM, WIRES_I2C_ADDR, ®, 1, buf, 1, (100 / portTICK_PERIOD_MS)));
|
|
bool new_button = buf[0] != 0;
|
|
|
|
bool just_pressed = new_button & !button_state;
|
|
button_pressed |= just_pressed;
|
|
|
|
bool just_released = !new_button & button_state;
|
|
button_released |= just_released;
|
|
|
|
button_state = new_button;
|
|
}
|
|
|
|
static void poll_wires_task(void *arg) {
|
|
while (1) {
|
|
bool new_data = gpio_get_level(WIRES_PIN_DELTA) == 0;
|
|
if (new_data) {
|
|
uint8_t delta = receive_delta();
|
|
if (delta == 0) ESP_LOGW(TAG, "delta pin was low, but delta register returned 0");
|
|
|
|
if (delta & (1 << DELTA_BIT_WIRES)) receive_wires();
|
|
if (delta & (1 << DELTA_BIT_BUTTON)) receive_button();
|
|
}
|
|
vTaskDelay(pdMS_TO_TICKS(10));
|
|
}
|
|
|
|
vTaskDelete(NULL);
|
|
}
|