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Commit e0d3f5b5 authored by Hyungsin's avatar Hyungsin
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drivers/at86rf2xx: add smart idle listening feature

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drivers/at86rf2xx/at86rf2xx.c
+ 12
− 0
View file @ e0d3f5b5
......@@ -106,6 +106,18 @@ 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);
......
drivers/at86rf2xx/at86rf2xx_getset.c
+ 61
− 0
View file @ e0d3f5b5
......@@ -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);
......
drivers/at86rf2xx/include/at86rf2xx_registers.h
+ 15
− 0
View file @ e0d3f5b5
......@@ -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
......
drivers/include/at86rf2xx.h
+ 58
− 0
View file @ e0d3f5b5
......@@ -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)
* @{
......@@ -314,6 +350,28 @@ 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
*
......
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