stockcropper/SC-F001
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Refining logging

Browse Source
This commit is contained in:
Thaddeus Hughes
2026-01-13 18:35:31 -06:00
parent 49e728ec2b
commit 982ada9787
14 changed files with 594 additions and 507 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
main/i2c.c
View File

@@ -6,6 +6,7 @@
#include "esp_log.h"
#include "driver/i2c.h"
#include "esp_rom_sys.h"
#include "sensors.h"
#define I2C_PORT I2C_NUM_0
#define TCA_ADDR_READ 0x21
@@ -28,11 +29,12 @@
#define REPEAT_MS 200
#define REPEAT_START_MS 700
#define SAFETY_MASK 0b00111111
#define SAFETY_MASK 0b00110001 // & permissible channels (jack and sensors)
#define SENSOR_EN_MASK 0b00000001 // | need forced high
// Static Variables
static bool i2c_initted = false;
static bool safety_ok = false; // Safety interlock
//static bool safety_ok = false; // Safety interlock
static uint8_t last_relay_request = 0; // Track last relay request
// === I2C LOW-LEVEL ===
@@ -68,35 +70,22 @@ esp_err_t i2c_init(void) {
ESP_ERROR_CHECK(tca_write_word_8(TCA_REG_CONFIG1, 0b00000000));
i2c_initted = true;
safety_ok = false; // Start with safety not OK
//safety_ok = false; // Start with safety not OK
last_relay_request = 0;
return ESP_OK;
}
void i2c_set_safety_status(bool safe) {
safety_ok = safe;
if (!safe) {
// Safety tripped - immediately turn off all relays
ESP_LOGW("I2C", "Safety interlock activated");
tca_write_word_8(TCA_REG_OUTPUT1, last_relay_request & SAFETY_MASK);
} else {
// Safety cleared - restore last requested relay state
ESP_LOGI("I2C", "Safety interlock cleared");
}
}
esp_err_t i2c_set_relays(uint8_t states) {
last_relay_request = states; // Always track the request
if (!safety_ok) {
if (!get_is_safe()) {
// Safety interlock active - refuse to energize relays
ESP_LOGW("I2C", "Main relay operation blocked by safety interlock");
return tca_write_word_8(TCA_REG_OUTPUT1, states & SAFETY_MASK);
if (states!=0) ESP_LOGW("I2C", "Main relay operation blocked by safety interlock");
return tca_write_word_8(TCA_REG_OUTPUT1, (states | SENSOR_EN_MASK) & SAFETY_MASK);
}
return tca_write_word_8(TCA_REG_OUTPUT1, states);
return tca_write_word_8(TCA_REG_OUTPUT1, states | SENSOR_EN_MASK);
}
esp_err_t i2c_set_led1(uint8_t state) {
@@ -106,8 +95,8 @@ esp_err_t i2c_set_led1(uint8_t state) {
esp_err_t i2c_stop() {
if (!i2c_initted) return ESP_OK;
i2c_set_relays(0);
i2c_set_led1(0);
tca_write_word_8(TCA_REG_OUTPUT0, 0);
tca_write_word_8(TCA_REG_OUTPUT1, 0);
return ESP_OK;
}