63 lines
1.9 KiB
C
63 lines
1.9 KiB
C
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#include "soc/dport_reg.h"
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#include "sdkconfig.h"
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#include "esp_err.h"
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#include "eri.h"
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#include "xtensa-debug-module.h"
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typedef enum {
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TRAX_DOWNCOUNT_WORDS,
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TRAX_DOWNCOUNT_INSTRUCTIONS
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} trax_downcount_unit_t;
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typedef enum {
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TRAX_ENA_NONE = 0,
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TRAX_ENA_PRO,
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TRAX_ENA_APP,
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TRAX_ENA_PRO_APP,
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TRAX_ENA_PRO_APP_SWAP
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} trax_ena_select_t;
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/**
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* @brief Enable the trax memory blocks to be used as Trax memory.
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*
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* @param pro_cpu_enable : true if Trax needs to be enabled for the pro CPU
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* @param app_cpu_enable : true if Trax needs to be enabled for the pro CPU
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* @param swap_regions : Normally, the pro CPU writes to Trax mem block 0 while
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* the app cpu writes to block 1. Setting this to true
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* inverts this.
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*
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* @return esp_err_t. Fails with ESP_ERR_NO_MEM if Trax enable is requested for 2 CPUs
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* but memmap only has room for 1, or if Trax memmap is disabled
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* entirely.
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*/
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int trax_enable(trax_ena_select_t ena);
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/**
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* @brief Start a Trax trace on the current CPU
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*
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* @param units_until_stop : Set the units of the delay that gets passed to
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* trax_trigger_traceend_after_delay. One of TRAX_DOWNCOUNT_WORDS
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* or TRAX_DOWNCOUNT_INSTRUCTIONS.
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*
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* @return esp_err_t. Fails with ESP_ERR_NO_MEM if Trax is disabled.
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*/
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int trax_start_trace(trax_downcount_unit_t units_until_stop);
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/**
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* @brief Trigger a Trax trace stop after the indicated delay. If this is called
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* before and the previous delay hasn't ended yet, this will overwrite
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* that delay with the new value. The delay will always start at the time
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* the function is called.
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*
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* @param delay : The delay to stop the trace in, in the unit indicated to
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* trax_start_trace. Note: the trace memory has 4K words available.
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*
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* @return esp_err_t
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*/
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int trax_trigger_traceend_after_delay(int delay);
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