update to driver version 1.1.0

update main.c to changed sensor API,
initiaize driver with i2c address,
update signature for sensirion_i2c_hal_read/write

Author: LeonieFierz

sample-implementations/RaspberryPi_Pico/main.c

@@ -24,6 +24,9 @@ int main(void) {
     gpio_pull_up(sda_pin);
     gpio_pull_up(scl_pin);
 
+    // Initialize driver with i2c address 
+    scd4x_init(SCD41_I2C_ADDR_62);
+
     int status;
 
     // Stop any ongoing measurement.
@@ -34,15 +37,13 @@ int main(void) {
     }
 
     // Get serial number.
-    uint16_t one;
-    uint16_t two;
-    uint16_t three;
-    status = scd4x_get_serial_number(&one, &two, &three);
+    uint16_t serial_number[3] = {0};
+    status = scd4x_get_serial_number(serial_number, 3);
     if (status) {
         printf("Unable to get sensor serial number. Error: %d\n", status);
         return status;
     }
-    printf("Sensor serial number is: 0x%x 0x%x 0x%x\n", (int)one, (int)two, (int)three);
+    printf("Sensor serial number is: 0x%x 0x%x 0x%x\n", (int)serial_number[0], (int)serial_number[1], (int)serial_number[2]);
 
     // Start the readings.
     status = scd4x_start_periodic_measurement();
@@ -57,9 +58,9 @@ int main(void) {
         bool dataReady;
         do {
             sleep_ms(10);
-            status = scd4x_get_data_ready_flag(&dataReady);
+            status = scd4x_get_data_ready_status(&dataReady);
             if (status) {
-                printf("Unable to get sensor readiness flag. Error %d.\n", status);
+                printf("Unable to get sensor readiness status. Error %d.\n", status);
                 return status;
             }
         } while (!dataReady);

sample-implementations/RaspberryPi_Pico/sensirion_i2c_hal.c

@@ -46,7 +46,7 @@
  * @param count   number of bytes to read from I2C and store in the buffer
  * @returns 0 on success, error code otherwise
  */
-int8_t sensirion_i2c_hal_read(uint8_t address, uint8_t* data, uint16_t count) {
+int8_t sensirion_i2c_hal_read(uint8_t address, uint8_t* data, uint8_t count) {
     const bool nostop = true; // master retains control of the bus after the read
     return !i2c_read_blocking(i2c_default, address, data, count, nostop);
 }
@@ -63,7 +63,7 @@ int8_t sensirion_i2c_hal_read(uint8_t address, uint8_t* data, uint16_t count) {
  * @returns 0 on success, error code otherwise
  */
 int8_t sensirion_i2c_hal_write(uint8_t address, const uint8_t* data,
-                               uint16_t count) {
+                               uint8_t count) {
     const bool nostop = true; // master retains control of the bus after the write
     return !i2c_write_blocking(i2c_default, address, data, count, nostop);
 }