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tidier. minified more. hard reset.

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This commit is contained in:
Thaddeus Hughes
2025-12-30 20:02:44 -06:00
parent d46cb252fb
commit 40a2b3765c
19 changed files with 913 additions and 194 deletions
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40
main/i2c.c
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@@ -24,11 +24,9 @@
#define TCA_REG_CONFIG1 0x07
// Debounce & Repeat Settings
#define DEBOUNCE_US 50000
#define REPEAT_US 200000
#define REPEAT_START_US 700000
#define MAX_REPEATS 100
#define DEBOUNCE_MS 50
#define REPEAT_MS 200
#define REPEAT_START_MS 700
// Static Variables
static bool i2c_initted = false;
@@ -87,8 +85,8 @@ esp_err_t i2c_stop() {
#define N_BTNS 2
static bool debounced_state[N_BTNS] = {false};
static bool last_known_state[N_BTNS] = {false};
static int64_t last_stable_time[N_BTNS] = {0};
static int64_t last_change_time[N_BTNS] = {0};
static uint64_t last_stable_time[N_BTNS] = {0};
static uint64_t last_change_time[N_BTNS] = {0};
static uint8_t claimed_repeats[N_BTNS] = {0};
esp_err_t i2c_poll_buttons() {
for (uint8_t btn = 0; btn < N_BTNS; ++btn) {
@@ -100,13 +98,13 @@ esp_err_t i2c_poll_buttons() {
uint8_t raw_buttons = (uint8_t)(port_val & 0x0F);
uint8_t raw_states = ~raw_buttons & 0x0F;
int64_t now = esp_timer_get_time() / 1000;
uint64_t now = esp_timer_get_time() / 1000;
for (uint8_t btn = 0; btn < N_BTNS; ++btn) {
bool raw_pressed = (raw_states & (1 << btn)) != 0;
if (raw_pressed != debounced_state[btn]) {
if (now - last_stable_time[btn] >= DEBOUNCE_US) {
if (now - last_stable_time[btn] >= DEBOUNCE_MS) {
debounced_state[btn] = raw_pressed;
last_stable_time[btn] = now;
last_change_time[btn] = now;
@@ -133,9 +131,9 @@ bool i2c_get_button_state(uint8_t button) {
bool i2c_get_button_repeat(uint8_t btn) {
if (btn >= N_BTNS || !debounced_state[btn]) return false;
int64_t now = esp_timer_get_time();
if (now + DEBOUNCE_US < last_change_time[btn]) return false;
if ((now - last_change_time[btn]) > (REPEAT_START_US + REPEAT_US * claimed_repeats[btn])) {
uint64_t now = esp_timer_get_time() / 1000;
if (now + DEBOUNCE_MS < last_change_time[btn]) return false;
if ((now - last_change_time[btn]) > (REPEAT_START_MS + REPEAT_MS * claimed_repeats[btn])) {
claimed_repeats[btn]++;
return true;
}
@@ -147,15 +145,18 @@ int8_t i2c_get_button_repeats(uint8_t btn) {
return 0;
if (btn >= N_BTNS || !debounced_state[btn]) return false;
int64_t now = esp_timer_get_time();
if (now + DEBOUNCE_US < last_change_time[btn]) return false;
if ((now - last_change_time[btn]) > (REPEAT_START_US + REPEAT_US * claimed_repeats[btn])) {
uint64_t now = esp_timer_get_time() / 1000;
if (now + DEBOUNCE_MS < last_change_time[btn]) return false;
if ((now - last_change_time[btn]) > (REPEAT_START_MS + REPEAT_MS * claimed_repeats[btn])) {
claimed_repeats[btn]++;
if (claimed_repeats[btn] > MAX_REPEATS)
claimed_repeats[btn] = MAX_REPEATS;
if (claimed_repeats[btn] > 100)
claimed_repeats[btn] = 100;
ESP_LOGI("BTN", "RPT %d", (uint8_t)claimed_repeats[btn]+2);
return claimed_repeats[btn]+1;
}
if (debounced_state[btn] && !last_known_state[btn]) {
ESP_LOGI("BTN", "FST %d", 1);
return 1;
}
@@ -166,6 +167,9 @@ int64_t i2c_get_button_ms(uint8_t btn) {
if (!i2c_get_button_state(btn))
return 0;
int64_t now = esp_timer_get_time();
uint64_t now = esp_timer_get_time() / 1000;
return now - last_change_time[btn];
}
int64_t i2c_get_button_us(uint8_t btn) {
return i2c_get_button_ms(btn)*1000;
}