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at86rf2xx: add NETOPT_TX_RETRIES_NEEDED support

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This commit is contained in:
Koen Zandberg 2017-08-18 13:41:45 +02:00
parent 938ba0b3c5
commit 15c22e9ab7
3 changed files with 55 additions and 0 deletions
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14
drivers/at86rf2xx/at86rf2xx_netdev.c
View File

@ -294,6 +294,14 @@ static int _get(netdev_t *netdev, netopt_t opt, void *val, size_t max_len)
!!(dev->netdev.flags & AT86RF2XX_OPT_CSMA);
return sizeof(netopt_enable_t);
/* Only radios with the XAH_CTRL_2 register support frame retry reporting */
#if AT86RF2XX_HAVE_RETRIES
case NETOPT_TX_RETRIES_NEEDED:
assert(max_len >= sizeof(uint8_t));
*((uint8_t *)val) = dev->tx_retries;
return sizeof(uint8_t);
#endif
default:
/* Can still be handled in second switch */
break;
@ -578,6 +586,12 @@ static void _isr(netdev_t *netdev)
at86rf2xx_set_state(dev, dev->idle_state);
DEBUG("[at86rf2xx] return to state 0x%x\n", dev->idle_state);
}
/* Only radios with the XAH_CTRL_2 register support frame retry reporting */
#if AT86RF2XX_HAVE_RETRIES
dev->tx_retries = ( at86rf2xx_reg_read(dev, AT86RF2XX_REG__XAH_CTRL_2) &
AT86RF2XX_XAH_CTRL_2__ARET_FRAME_RETRIES_MASK ) >>
AT86RF2XX_XAH_CTRL_2__ARET_FRAME_RETRIES_OFFSET;
#endif
DEBUG("[at86rf2xx] EVT - TX_END\n");

22
drivers/at86rf2xx/include/at86rf2xx_registers.h
View File

@ -24,6 +24,8 @@
#ifndef AT86RF2XX_REGISTERS_H
#define AT86RF2XX_REGISTERS_H
#include "at86rf2xx.h"
#ifdef __cplusplus
extern "C" {
#endif
@ -93,6 +95,9 @@ extern "C" {
#endif
#define AT86RF2XX_REG__XAH_CTRL_1 (0x17)
#define AT86RF2XX_REG__FTN_CTRL (0x18)
#if AT86RF2XX_HAVE_RETRIES
#define AT86RF2XX_REG__XAH_CTRL_2 (0x19)
#endif
#define AT86RF2XX_REG__PLL_CF (0x1A)
#define AT86RF2XX_REG__PLL_DCU (0x1B)
#define AT86RF2XX_REG__PART_NUM (0x1C)
@ -329,6 +334,23 @@ extern "C" {
#define AT86RF2XX_XAH_CTRL_1__AACK_PROM_MODE (0x02)
/** @} */
/**
* @name Bitfield definitions for the XAH_CTRL_2 register
*
* This register contains both the CSMA-CA retry counter and the frame retry
* counter. At this moment only the at86rf232 and the at86rf233 support this
* register.
*
* @{
*/
#if AT86RF2XX_HAVE_RETRIES
#define AT86RF2XX_XAH_CTRL_2__ARET_FRAME_RETRIES_MASK (0xF0)
#define AT86RF2XX_XAH_CTRL_2__ARET_FRAME_RETRIES_OFFSET (4)
#define AT86RF2XX_XAH_CTRL_2__ARET_CSMA_RETRIES_MASK (0x0E)
#define AT86RF2XX_XAH_CTRL_2__ARET_CSMA_RETRIES_OFFSET (1)
#endif
/** @} */
/**
* @name Bitfield definitions for the CSMA_SEED_1 register
* @{

19
drivers/include/at86rf2xx.h
View File

@ -91,6 +91,20 @@ extern "C" {
# define RSSI_BASE_VAL (-91)
#endif
#if defined(DOXYGEN) || defined(MODULE_AT86RF232) || defined(MODULE_AT86RF233)
/**
* @brief Frame retry counter reporting
*
* The AT86RF2XX_HAVE_RETRIES flag enables support for NETOPT_TX_RETRIES NEEDED
* operation. Required for this functionality is the XAH_CTRL_2 register which
* contains the frame retry counter. Only the at86rf232 and the at86rf233
* support this register.
*/
#define AT86RF2XX_HAVE_RETRIES (1)
#else
#define AT86RF2XX_HAVE_RETRIES (0)
#endif
/**
* @name Flags for device internal states (see datasheet)
* @{
@ -167,6 +181,11 @@ typedef struct {
uint8_t pending_tx; /**< keep track of pending TX calls
this is required to know when to
return to @ref at86rf2xx_t::idle_state */
#if AT86RF2XX_HAVE_RETRIES
/* Only radios with the XAH_CTRL_2 register support frame retry reporting */
uint8_t tx_retries; /**< Number of NOACK retransmissions */
#endif
/** @} */
} at86rf2xx_t;
/**