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Adding workaround for nrf52 anomaly 89 #180

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Adding workaround for nrf52 anomaly 89 #180

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6 changes: 6 additions & 0 deletions nrfx/drivers/src/nrfx_spim.c
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Original file line number Diff line number Diff line change
Expand Up @@ -687,6 +687,12 @@ void nrfx_spim_uninit(nrfx_spim_t const * p_instance)
}
#endif

#if NRFX_CHECK(NRFX_SPIM_NRF52_ANOMALY_89_WORKAROUND_ENABLED)
p_instance->p_reg->POWER = 0;
p_instance->p_reg->POWER;
p_instance->p_reg->POWER = 1;
#endif

#if NRFX_CHECK(NRFX_PRS_ENABLED)
nrfx_prs_release(p_instance->p_reg);
#endif
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5 changes: 5 additions & 0 deletions nrfx/drivers/src/nrfx_twim.c
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Expand Up @@ -412,6 +412,11 @@ void nrfx_twim_disable(nrfx_twim_t const * p_instance)

p_cb->int_mask = 0;
nrfy_twim_stop(p_instance->p_twim);
#if NRFX_CHECK(NRFX_TWIM_NRF52_ANOMALY_89_WORKAROUND_ENABLED)
p_instance->p_twim->POWER = 0;
p_instance->p_twim->POWER;
p_instance->p_twim->POWER = 1;
#endif
p_cb->state = NRFX_DRV_STATE_INITIALIZED;
p_cb->busy = false;
NRFX_LOG_INFO("Instance disabled: %d.", p_instance->drv_inst_idx);
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8 changes: 6 additions & 2 deletions nrfx/mdk/nrf52.h
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Expand Up @@ -1182,6 +1182,8 @@ typedef struct { /*!< (@ 0x40003000) SPIM0 Struct
__IM uint32_t RESERVED13[26];
__IOM uint32_t ORC; /*!< (@ 0x000005C0) Over-read character. Character clocked out in
case and over-read of the TXD buffer. */
__IM uint32_t RESERVED15[654];
__IOM uint32_t POWER; /*!< (@ 0x00000FFC) Peripheral power control */
} NRF_SPIM_Type; /*!< Size = 1476 (0x5c4) */


Expand Down Expand Up @@ -1339,7 +1341,9 @@ typedef struct { /*!< (@ 0x40003000) TWIM0 Struct
__IOM TWIM_TXD_Type TXD; /*!< (@ 0x00000544) TXD EasyDMA channel */
__IM uint32_t RESERVED14[13];
__IOM uint32_t ADDRESS; /*!< (@ 0x00000588) Address used in the TWI transfer */
} NRF_TWIM_Type; /*!< Size = 1420 (0x58c) */
__IM uint32_t RESERVED15[668];
__IOM uint32_t POWER; /*!< (@ 0x00000FFC) Peripheral power control */
} NRF_TWIM_Type; /*!< Size = 4096 (0x1000) */



Expand Down Expand Up @@ -2121,7 +2125,7 @@ typedef struct { /*!< (@ 0x4001E000) NVMC Structu
__IM uint32_t READY; /*!< (@ 0x00000400) Ready flag */
__IM uint32_t RESERVED1[64];
__IOM uint32_t CONFIG; /*!< (@ 0x00000504) Configuration register */

union {
__IOM uint32_t ERASEPAGE; /*!< (@ 0x00000508) Register for erasing a page in Code area */
__IOM uint32_t ERASEPCR1; /*!< (@ 0x00000508) Deprecated register - Register for erasing a
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18 changes: 18 additions & 0 deletions nrfx/templates/nrfx_config_nrf52832.h
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Expand Up @@ -999,6 +999,15 @@
#define NRFX_SPIM_NRF52_ANOMALY_109_WORKAROUND_ENABLED 0
#endif

/**
* @brief NRFX_SPIM_NRF52_ANOMALY_89_WORKAROUND_ENABLED - Enables nRF52 Anomaly 89 workaround for SPIM.
*
* Boolean. Accepted values 0 and 1.
*/
#ifndef NRFX_SPIM_NRF52_ANOMALY_89_WORKAROUND_ENABLED
#define NRFX_SPIM_NRF52_ANOMALY_89_WORKAROUND_ENABLED 0
#endif

/**
* @brief NRFX_SPIM_CONFIG_LOG_LEVEL
*
Expand Down Expand Up @@ -1353,6 +1362,15 @@
#define NRFX_TWIM_NRF52_ANOMALY_109_WORKAROUND_ENABLED 0
#endif

/**
* @brief NRFX_TWIM_NRF52_ANOMALY_89_WORKAROUND_ENABLED - Enables nRF52 Anomaly 89 workaround for TWIM.
*
* Boolean. Accepted values 0 and 1.
*/
#ifndef NRFX_TWIM_NRF52_ANOMALY_89_WORKAROUND_ENABLED
#define NRFX_TWIM_NRF52_ANOMALY_89_WORKAROUND_ENABLED 0
#endif

/**
* @brief NRFX_TWIM_CONFIG_LOG_LEVEL
*
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