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ULP: add functions for stopping/restarting the ulp-riscv

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Closes https://github.com/espressif/esp-idf/issues/8232
This commit is contained in:
Marius Vikhammer
2022-01-19 10:57:31 +08:00
parent 6e00f10fd4
commit ff6f927b5f
11 changed files with 200 additions and 22 deletions
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21
components/ulp/ulp_riscv.c
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@@ -97,6 +97,27 @@ esp_err_t ulp_riscv_run(void)
#endif
}
void ulp_riscv_timer_stop(void)
{
CLEAR_PERI_REG_MASK(RTC_CNTL_ULP_CP_TIMER_REG, RTC_CNTL_ULP_CP_SLP_TIMER_EN);
}
void ulp_riscv_timer_resume(void)
{
SET_PERI_REG_MASK(RTC_CNTL_ULP_CP_TIMER_REG, RTC_CNTL_ULP_CP_SLP_TIMER_EN);
}
void ulp_riscv_halt(void)
{
ulp_riscv_timer_stop();
/* suspends the ulp operation*/
SET_PERI_REG_MASK(RTC_CNTL_COCPU_CTRL_REG, RTC_CNTL_COCPU_DONE);
/* Resets the processor */
SET_PERI_REG_MASK(RTC_CNTL_COCPU_CTRL_REG, RTC_CNTL_COCPU_SHUT_RESET_EN);
}
esp_err_t ulp_riscv_load_binary(const uint8_t* program_binary, size_t program_size_bytes)
{
if (program_binary == NULL) {