eeeck/the-waterinator
1
1
Fork 0
Code Issues 1 Pull Requests Actions Packages Projects Releases Wiki Activity

Configure multiple slave management

Browse Source
This commit is contained in:
Erick
2025-12-13 12:40:00 +01:00
parent 9fab98af61
commit 72974c41a7
1 changed files with 9 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files
firmware/esp32/main/i2c.cpp
+9 -8
View File
@@ -20,18 +20,19 @@ static const char* TAG = "I2C";
TaskHandle_t i2c_task_handle = NULL; TaskHandle_t i2c_task_handle = NULL;
i2c_master_bus_handle_t bus_handle; i2c_master_bus_handle_t bus_handle;
i2c_master_dev_handle_t slave_handles[SLAVES_NUMBER]; static i2c_master_dev_handle_t slave_handles[SLAVES_NUMBER];
uint8_t slave_count = 0; uint8_t slave_count = 0;
uint8_t slave_addrs[SLAVES_NUMBER];
static void register_slave(int addr) { uint8_t data_rd[DATA_LENGTH];
i2c_device_config_t slave_dev_cfg = {
.dev_addr_length = I2C_ADDR_BIT_LEN_7,
.device_address = addr,
.scl_speed_hz = 100000, // 100kHz or 400kHz
};
static void register_slave(uint8_t addr) {
i2c_device_config_t slave_dev_cfg = {};
slave_dev_cfg.dev_addr_length = I2C_ADDR_BIT_LEN_7;
slave_dev_cfg.device_address = addr;
slave_dev_cfg.scl_speed_hz = 100000;
ESP_ERROR_CHECK(i2c_master_bus_add_device(bus_handle, &slave_dev_cfg, &slave_handles[slave_count])); ESP_ERROR_CHECK(i2c_master_bus_add_device(bus_handle, &slave_dev_cfg, &slave_handles[slave_count]));
slave_count++; slave_addrs[slave_count++] = addr;
} }
static void i2c_init(void) { static void i2c_init(void) {