return x;
}
+uint16_t pmbus_data2linear_mode(uint16_t value, int exp)
+{
+ /* L = D * 2^(-e) */
+ if (exp < 0) {
+ return value << (-exp);
+ }
+ return value >> exp;
+}
+
+uint16_t pmbus_linear_mode2data(uint16_t value, int exp)
+{
+ /* D = L * 2^e */
+ if (exp < 0) {
+ return value >> (-exp);
+ }
+ return value << exp;
+}
+
void pmbus_send(PMBusDevice *pmdev, const uint8_t *data, uint16_t len)
{
if (pmdev->out_buf_len + len > SMBUS_DATA_MAX_LEN) {
*
* Y = (m * x - b) * 10^R
*
- * @return uint32_t
+ * @return uint16_t
*/
uint16_t pmbus_data2direct_mode(PMBusCoefficients c, uint32_t value);
uint32_t pmbus_direct_mode2data(PMBusCoefficients c, uint16_t value);
/**
+ * Convert sensor values to linear mode format
+ *
+ * L = D * 2^(-e)
+ *
+ * @return uint16
+ */
+uint16_t pmbus_data2linear_mode(uint16_t value, int exp);
+
+/**
+ * Convert linear mode formatted data into sensor reading
+ *
+ * D = L * 2^e
+ *
+ * @return uint16
+ */
+uint16_t pmbus_linear_mode2data(uint16_t value, int exp);
+
+/**
* @brief Send a block of data over PMBus
* Assumes that the bytes in the block are already ordered correctly,
* also assumes the length has been prepended to the block if necessary