Add i2c implementation example for Atmel MCUs

Author: cordu-dev

examples/dps310_i2c.c

@@ -0,0 +1,64 @@
+#include "dps310_i2c.h"
+
+// Atmel includes
+#include "delay.h"
+
+// App includes
+#include "app_i2c.h"
+
+// Sensor driver includes
+#include "dps310_errors.h"
+
+
+void dps310_i2c_init(void) {
+}
+
+void dps310_i2c_release(void) {
+}
+
+int8_t dps310_i2c_read(uint8_t address, uint8_t reg, uint8_t *data, uint16_t count) {
+    int8_t ret;
+    uint8_t buff[1];
+
+    buff[0] = reg;
+
+    ret = app_i2c_write_wait(address, buff, 1);
+
+    if (ret != STATUS_OK) {
+        return DPS310_I2C_FAIL_ERROR;
+    }
+
+    delay_ms(10);
+
+    ret = app_i2c_read_wait(address, data, count);
+
+    if (ret != STATUS_OK) {
+        return DPS310_I2C_FAIL_ERROR;
+    }
+
+    return DPS310_OK;
+}
+
+int8_t dps310_i2c_write(uint8_t address, uint8_t reg, const uint8_t *data, uint16_t count) {
+    int8_t ret;
+    uint16_t count_with_reg = count + 1;
+    uint8_t buff[DPS310_I2C_MAX_BUFF_SIZE];
+
+    buff[0] = reg;
+
+    for (uint8_t i = 1; i < count_with_reg; i++) {
+        buff[i] = data[i - 1];
+    }
+
+    ret = app_i2c_write_wait(address, buff, count_with_reg);
+
+    if (ret != STATUS_OK) {
+        return DPS310_I2C_FAIL_ERROR;
+    }
+
+    return DPS310_OK;
+}
+
+void dps310_i2c_delay_ms(uint32_t delay) {
+    delay_ms(delay);
+}