GPIO_PIN0 undefined in rom/gpio.h #12
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Thanks @MakerAsia, looks like this got missed in the changes that normalised register names. We'll push a fix ASAP. |
igrr
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Sep 19, 2016
rom/gpio.h: Use new GPIO_PIN0_REG register name Closes github #12 See merge request !86
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Fixed in master. |
tim-nordell-nimbelink
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Feb 28, 2019
It's possible for esp_pm_impl_isr_hook(...) to be nested due to the fact that interrupts are nested on the ESP32. To fix this we need to place the acquiring of the lock into a critical section to ensure it does not get nested on the system, otherwise the system will never release the idle lock when this occurs and will not go into lower power states. A sample backtrace encountering this (the code was instrumented to go into a while(1) loop when the condition was hit to get this backtrace) from commit d7a7a68: #0 leave_idle () at esp-idf/components/esp32/pm_esp32.c:444 espressif#1 0x4008143a in esp_pm_impl_isr_hook () at esp-idf/components/esp32/pm_esp32.c:473 espressif#2 0x40082750 in _xt_medint2 () at esp-idf/components/freertos/xtensa_vectors.S:1243 espressif#3 0x4000bff0 in ?? () espressif#4 0x40090bb0 in vTaskExitCritical (mux=0x3ffbd230) at esp-idf/components/freertos/tasks.c:4304 espressif#5 0x40081758 in esp_pm_lock_acquire (handle=0x3ffbd218) at esp-idf/components/esp32/pm_locks.c:126 espressif#6 0x40081399 in leave_idle () at esp-idf/components/esp32/pm_esp32.c:440 espressif#7 0x4008143a in esp_pm_impl_isr_hook () at esp-idf/components/esp32/pm_esp32.c:473 espressif#8 0x400826b8 in _xt_lowint1 () at esp-idf/components/freertos/xtensa_vectors.S:1154 espressif#9 0x400d14b0 in esp_pm_impl_waiti () at esp-idf/components/esp32/pm_esp32.c:483 espressif#10 0x400d2c77 in esp_vApplicationIdleHook () at esp-idf/components/esp32/freertos_hooks.c:63 espressif#11 0x40091008 in prvIdleTask (pvParameters=0x0) at esp-idf/components/freertos/tasks.c:3412 espressif#12 0x40090344 in vPortTaskWrapper (pxCode=0x40090ffc <prvIdleTask>, pvParameters=0x0) at esp-idf/components/freertos/port.c:143 Signed-off-by: Tim Nordell <[email protected]>
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define GPIO_PIN_ADDR(i) (GPIO_PIN0 + i*4) -- line 41
GPIO_PIN0 should be GPIO_PIN0_REG
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