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Merge branch 'feature/dport_access' into 'master'

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soc: Dport access with pre-read register APB

See merge request idf/esp-idf!2257
This commit is contained in:
Angus Gratton
2018-05-15 15:32:28 +08:00
parent 0ae6a83768 8f80cc733d
commit d1066e9d7f
8 changed files with 467 additions and 158 deletions
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7
components/esp32/include/esp_dport_access.h
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@@ -26,7 +26,7 @@ void esp_dport_access_stall_other_cpu_end(void);
void esp_dport_access_int_init(void);
void esp_dport_access_int_pause(void);
void esp_dport_access_int_resume(void);
void esp_dport_access_read_buffer(uint32_t *buff_out, uint32_t address, uint32_t num_words);
//This routine does not stop the dport routines in any way that is recoverable. Please
//only call in case of panic().
void esp_dport_access_int_abort(void);
@@ -34,9 +34,14 @@ void esp_dport_access_int_abort(void);
#if defined(BOOTLOADER_BUILD) || defined(CONFIG_FREERTOS_UNICORE) || !defined(ESP_PLATFORM)
#define DPORT_STALL_OTHER_CPU_START()
#define DPORT_STALL_OTHER_CPU_END()
#define DPORT_STALL_OTHER_CPU_START()
#define DPORT_INTERRUPT_DISABLE()
#define DPORT_INTERRUPT_RESTORE()
#else
#define DPORT_STALL_OTHER_CPU_START() esp_dport_access_stall_other_cpu_start()
#define DPORT_STALL_OTHER_CPU_END() esp_dport_access_stall_other_cpu_end()
#define DPORT_INTERRUPT_DISABLE() unsigned int intLvl = XTOS_SET_INTLEVEL(XCHAL_EXCM_LEVEL)
#define DPORT_INTERRUPT_RESTORE() XTOS_RESTORE_JUST_INTLEVEL(intLvl)
#endif
#ifdef __cplusplus