diff --git a/drivers/at86rf2xx/at86rf2xx.c b/drivers/at86rf2xx/at86rf2xx.c
index a697a70d92c66f583b709d0c332454346b870b72..397904a38fb930cd34dd16aee04a23d042884e6f 100644
--- a/drivers/at86rf2xx/at86rf2xx.c
+++ b/drivers/at86rf2xx/at86rf2xx.c
@@ -94,6 +94,18 @@ void at86rf2xx_reset(at86rf2xx_t *dev)
tmp &= ~(AT86RF2XX_TRX_CTRL_1_MASK__IRQ_MASK_MODE);
at86rf2xx_reg_write(dev, AT86RF2XX_REG__TRX_CTRL_1, tmp);
+ /* configure smart idle listening feature */
+#if AT86RF2XX_SMART_IDLE_LISTENING
+ tmp = at86rf2xx_reg_read(dev, AT86RF2XX_REG__TRX_RPC);
+ tmp |= (AT86RF2XX_TRX_RPC_MASK__RX_RPC_EN |
+ AT86RF2XX_TRX_RPC_MASK__PDT_RPC_EN |
+ AT86RF2XX_TRX_RPC_MASK__PLL_RPC_EN |
+ AT86RF2XX_TRX_RPC_MASK__XAH_TX_RPC_EN |
+ AT86RF2XX_TRX_RPC_MASK__IPAN_RPC_EN);
+ at86rf2xx_reg_write(dev, AT86RF2XX_REG__TRX_RPC, tmp);
+ at86rf2xx_set_rxsensitivity(dev, RSSI_BASE_VAL);
+#endif
+
/* disable clock output to save power */
tmp = at86rf2xx_reg_read(dev, AT86RF2XX_REG__TRX_CTRL_0);
tmp &= ~(AT86RF2XX_TRX_CTRL_0_MASK__CLKM_CTRL);
diff --git a/drivers/at86rf2xx/at86rf2xx_getset.c b/drivers/at86rf2xx/at86rf2xx_getset.c
index 5d0df031dbeec979c2269d4543870ff9caa0d091..96bdd37a15c239984f5c7d9023f903b84f36e0ff 100644
--- a/drivers/at86rf2xx/at86rf2xx_getset.c
+++ b/drivers/at86rf2xx/at86rf2xx_getset.c
@@ -49,6 +49,19 @@ static const uint8_t dbm_to_tx_pow_915[] = { 0x1d, 0x1c, 0x1b, 0x1a, 0x19, 0x17,
0x04, 0x03, 0x02, 0x01, 0x00, 0x86,
0x40, 0x84, 0x83, 0x82, 0x80, 0xc1,
0xc0 };
+static const int16_t rx_sens_to_dbm[] = { -110, -98, -94, -91, -88, -85, -82,
+ -79, -76, -73, -70, -67, -63, -60, -57,
+ -54 };
+static const uint8_t dbm_to_rx_sens[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x01, 0x01, 0x01, 0x01, 0x02, 0x02,
+ 0x02, 0x03, 0x03, 0x03, 0x04, 0x04,
+ 0x04, 0x05, 0x05, 0x05, 0x06, 0x06,
+ 0x06, 0x07, 0x07, 0x07, 0x08, 0x08,
+ 0x08, 0x09, 0x09, 0x09, 0x0a, 0x0a,
+ 0x0a, 0x0b, 0x0b, 0x0b, 0x0b, 0x0c,
+ 0x0c, 0x0c, 0x0d, 0x0d, 0x0d, 0x0e,
+ 0x0e, 0x0e, 0x0f };
static int16_t _tx_pow_to_dbm_212b(uint8_t channel, uint8_t page, uint8_t reg)
{
@@ -84,6 +97,18 @@ static const uint8_t dbm_to_tx_pow[] = { 0x0f, 0x0f, 0x0f, 0x0e, 0x0e, 0x0e,
0x0e, 0x0d, 0x0d, 0x0d, 0x0c, 0x0c,
0x0b, 0x0b, 0x0a, 0x09, 0x08, 0x07,
0x06, 0x05, 0x03, 0x00 };
+static const int16_t rx_sens_to_dbm[] = { -101, -94, -91, -88, -85, -82, -79,
+ -76, -73, -70, -67, -64, -61, -58, -55,
+ -52 };
+static const uint8_t dbm_to_rx_sens[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x01, 0x01, 0x01, 0x02, 0x02,
+ 0x02, 0x03, 0x03, 0x03, 0x04, 0x04,
+ 0x04, 0x05, 0x05, 0x05, 0x06, 0x06,
+ 0x06, 0x07, 0x07, 0x07, 0x08, 0x08,
+ 0x08, 0x09, 0x09, 0x09, 0x0a, 0x0a,
+ 0x0a, 0x0b, 0x0b, 0x0b, 0x0c, 0x0c,
+ 0x0c, 0x0d, 0x0d, 0x0d, 0x0e, 0x0e,
+ 0x0e, 0x0f };
#else
static const int16_t tx_pow_to_dbm[] = { 3, 3, 2, 2, 1, 1, 0,
-1, -2, -3, -4, -5, -7, -9, -12, -17 };
@@ -91,6 +116,18 @@ static const uint8_t dbm_to_tx_pow[] = { 0x0f, 0x0f, 0x0f, 0x0e, 0x0e, 0x0e,
0x0e, 0x0d, 0x0d, 0x0c, 0x0c, 0x0b,
0x0b, 0x0a, 0x09, 0x08, 0x07, 0x06,
0x05, 0x03, 0x00 };
+static const int16_t rx_sens_to_dbm[] = { -101, -91, -88, -85, -82, -79, -76
+ -73, -70, -67, -64, -61, -58, -55, -52,
+ -49 };
+static const uint8_t dbm_to_rx_sens[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+ 0x00, 0x00, 0x00, 0x00, 0x01, 0x01,
+ 0x01, 0x02, 0x02, 0x02, 0x03, 0x03,
+ 0x03, 0x04, 0x04, 0x04, 0x05, 0x05,
+ 0x05, 0x06, 0x06, 0x06, 0x07, 0x07,
+ 0x07, 0x08, 0x08, 0x08, 0x09, 0x09,
+ 0x09, 0x0a, 0x0a, 0x0a, 0x0b, 0x0b,
+ 0x0b, 0x0c, 0x0c, 0x0c, 0x0d, 0x0d,
+ 0x0d, 0x0e, 0x0e, 0x0e, 0x0f };
#endif
uint16_t at86rf2xx_get_addr_short(const at86rf2xx_t *dev)
@@ -229,6 +266,30 @@ void at86rf2xx_set_txpower(const at86rf2xx_t *dev, int16_t txpower)
#endif
}
+int16_t at86rf2xx_get_rxsensitivity(const at86rf2xx_t *dev)
+{
+ uint8_t rxsens = at86rf2xx_reg_read(dev, AT86RF2XX_REG__RX_SYN)
+ & AT86RF2XX_RX_SYN__RX_PDT_LEVEL;
+ return rx_sens_to_dbm[rxsens];
+}
+
+void at86rf2xx_set_rxsensitivity(const at86rf2xx_t *dev, int16_t rxsens)
+{
+ rxsens += MIN_RX_SENSITIVITY;
+
+ if (rxsens < 0) {
+ rxsens = 0;
+ }
+ else if (rxsens > MAX_RX_SENSITIVITY) {
+ rxsens = MAX_RX_SENSITIVITY;
+ }
+
+ uint8_t tmp = at86rf2xx_reg_read(dev, AT86RF2XX_REG__RX_SYN);
+ tmp &= ~(AT86RF2XX_RX_SYN__RX_PDT_LEVEL);
+ tmp |= (dbm_to_rx_sens[rxsens] & AT86RF2XX_RX_SYN__RX_PDT_LEVEL);
+ at86rf2xx_reg_write(dev, AT86RF2XX_REG__RX_SYN, tmp);
+}
+
uint8_t at86rf2xx_get_max_retries(const at86rf2xx_t *dev)
{
return (at86rf2xx_reg_read(dev, AT86RF2XX_REG__XAH_CTRL_0) >> 4);
diff --git a/drivers/at86rf2xx/include/at86rf2xx_registers.h b/drivers/at86rf2xx/include/at86rf2xx_registers.h
index 9c9fa3379ddf7cda1bd330b837bb597ae49befaf..2b770eeefbdfacd3f3a2460eb03aaa9553c58330 100644
--- a/drivers/at86rf2xx/include/at86rf2xx_registers.h
+++ b/drivers/at86rf2xx/include/at86rf2xx_registers.h
@@ -92,6 +92,8 @@ extern "C" {
#define AT86RF2XX_REG__RX_SYN (0x15)
#ifdef MODULE_AT86RF212B
#define AT86RF2XX_REG__RF_CTRL_0 (0x16)
+#elif defined(MODULE_AT86RF233)
+#define AT86RF2XX_REG__TRX_RPC (0x16)
#endif
#define AT86RF2XX_REG__XAH_CTRL_1 (0x17)
#define AT86RF2XX_REG__FTN_CTRL (0x18)
@@ -375,6 +377,19 @@ extern "C" {
#endif
/** @} */
+/**
+ * @name Bitfield definitions for the TRX_RPC register
+ * @{
+ */
+#ifdef MODULE_AT86RF233
+#define AT86RF2XX_TRX_RPC_MASK__RX_RPC_CTRL_MAXPWR (0xC0)
+#define AT86RF2XX_TRX_RPC_MASK__RX_RPC_EN (0x20)
+#define AT86RF2XX_TRX_RPC_MASK__PDT_RPC_EN (0x10)
+#define AT86RF2XX_TRX_RPC_MASK__PLL_RPC_EN (0x08)
+#define AT86RF2XX_TRX_RPC_MASK__XAH_TX_RPC_EN (0x04)
+#define AT86RF2XX_TRX_RPC_MASK__IPAN_RPC_EN (0x02)
+#endif
+
#ifdef __cplusplus
}
#endif
diff --git a/drivers/include/at86rf2xx.h b/drivers/include/at86rf2xx.h
index 76038f4fc5b6e477cccc4b29a434f29bd5ae6a92..72bfd6025fca25d943a016b2bb7864837eed155c 100644
--- a/drivers/include/at86rf2xx.h
+++ b/drivers/include/at86rf2xx.h
@@ -94,6 +94,28 @@ extern "C" {
# define RSSI_BASE_VAL (-91)
#endif
+/**
+ * @brief Max Receiver sensitivity value in dBm
+ */
+#if MODULE_AT86RF233
+# define MAX_RX_SENSITIVITY (-52)
+#elif MODULE_AT86RF212B
+# define MAX_RX_SENSITIVITY (-54)
+#else
+# define MAX_RX_SENSITIVITY (-49)
+#endif
+
+/**
+ * @brief Min Receiver sensitivity value in dBm
+ */
+#if MODULE_AT86RF233
+# define MIN_RX_SENSITIVITY (-101)
+#elif MODULE_AT86RF212B
+# define MIN_RX_SENSITIVITY (-110)
+#else
+# define MIN_RX_SENSITIVITY (-101)
+#endif
+
#if defined(DOXYGEN) || defined(MODULE_AT86RF232) || defined(MODULE_AT86RF233)
/**
* @brief Frame retry counter reporting
@@ -108,6 +130,20 @@ extern "C" {
#define AT86RF2XX_HAVE_RETRIES (0)
#endif
+/**
+ * @brief Smart idle listening feature
+ *
+ * This feature optimizes radio operation in the listening mode, reducing
+ * current consumption by ~50%. It is supported by only at86rf233.
+ */
+#ifdef MODULE_AT86RF233
+#ifndef AT86RF2XX_SMART_IDLE_LISTENING
+#define AT86RF2XX_SMART_IDLE_LISTENING (1)
+#endif
+#else
+#define AT86RF2XX_SMART_IDLE_LISTENING (0)
+#endif
+
/**
* @name Flags for device internal states (see datasheet)
* @{
@@ -310,6 +346,28 @@ int16_t at86rf2xx_get_txpower(const at86rf2xx_t *dev);
*/
void at86rf2xx_set_txpower(const at86rf2xx_t *dev, int16_t txpower);
+/**
+ * @brief Get the configured receiver sensitivity of the given device [in dBm]
+ *
+ * @param[in] dev device to read from
+ *
+ * @return configured receiver sensitivity in dBm
+ */
+int16_t at86rf2xx_get_rxsensitivity(const at86rf2xx_t *dev);
+
+/**
+ * @brief Set the receiver sensitivity of the given device [in dBm]
+ *
+ * If the device does not support the exact dBm value given, it will set a value
+ * as close as possible to the given value. If the given value is larger or
+ * lower then the maximal or minimal possible value, the min or max value is
+ * set, respectively.
+ *
+ * @param[in] dev device to write to
+ * @param[in] rxsens rx sensitivity in dBm
+ */
+void at86rf2xx_set_rxsensitivity(const at86rf2xx_t *dev, int16_t rxsens);
+
/**
* @brief Get the maximum number of retransmissions
*