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arch/risc-v/espressif: Add ULP wakeup modes
Add ULP wakeup modes for esp32[-c6|-p4] Signed-off-by: Eren Terzioglu <eren.terzioglu@espressif.com>
This commit is contained in:
Eren Terzioglu
simbit18
@@ -643,6 +643,271 @@ config ESPRESSIF_ULP_ENABLE_UBSAN
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But note that it will increase code size significantly and it can happen that
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application will not fit into RTC RAM
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choice ESPRESSIF_ULP_WAKEUP_SOURCE
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prompt "LP Coprocessor wakeup source"
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default ESPRESSIF_ULP_WAKEUP_HP_CPU
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config ESPRESSIF_ULP_WAKEUP_HP_CPU
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bool "Wakeup by HP core"
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config ESPRESSIF_ULP_WAKEUP_LP_UART
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depends on ESPRESSIF_LP_UART
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bool "Wakeup by LP UART RX"
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config ESPRESSIF_ULP_WAKEUP_LP_IO
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bool "Wakeup by LP IO interrupt"
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config ESPRESSIF_ULP_WAKEUP_LP_TIMER
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bool "Wakeup by LP timer"
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endchoice # ESPRESSIF_ULP_WAKEUP_SOURCE
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menu "ULP Wakeup LP IO Sources"
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depends on ESPRESSIF_ULP_WAKEUP_LP_IO
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menu "GPIOs to wakeup ULP when low"
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config ESPRESSIF_ULP_WAKEUP_LP_IO0_LOW
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bool "LP_IO0"
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default n
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---help---
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Wakeup ULP when LP_GPIO0 is low.
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config ESPRESSIF_ULP_WAKEUP_LP_IO1_LOW
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bool "LP_IO1"
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default n
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---help---
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Wakeup ULP when LP_GPIO1 is low.
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config ESPRESSIF_ULP_WAKEUP_LP_IO2_LOW
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bool "LP_IO2"
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default n
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---help---
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Wakeup ULP when LP_GPIO2 is low.
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config ESPRESSIF_ULP_WAKEUP_LP_IO3_LOW
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bool "LP_IO3"
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default n
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---help---
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Wakeup ULP when LP_GPIO3 is low.
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config ESPRESSIF_ULP_WAKEUP_LP_IO4_LOW
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bool "LP_IO4"
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default n
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---help---
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Wakeup ULP when LP_GPIO4 is low.
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config ESPRESSIF_ULP_WAKEUP_LP_IO5_LOW
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bool "LP_IO5"
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default n
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---help---
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Wakeup ULP when LP_GPIO5 is low.
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config ESPRESSIF_ULP_WAKEUP_LP_IO6_LOW
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bool "LP_IO6"
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default n
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---help---
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Wakeup ULP when LP_GPIO6 is low.
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config ESPRESSIF_ULP_WAKEUP_LP_IO7_LOW
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bool "LP_IO7"
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default n
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---help---
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Wakeup ULP when LP_GPIO7 is low.
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config ESPRESSIF_ULP_WAKEUP_LP_IO8_LOW
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bool "LP_IO8"
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default n
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depends on ARCH_CHIP_ESP32P4
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---help---
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Wakeup ULP when LP_GPIO8 is low
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config ESPRESSIF_ULP_WAKEUP_LP_IO9_LOW
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bool "LP_IO9"
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default n
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depends on ARCH_CHIP_ESP32P4
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---help---
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Wakeup ULP when LP_GPIO9 is low
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config ESPRESSIF_ULP_WAKEUP_LP_IO10_LOW
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bool "LP_IO10"
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default n
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depends on ARCH_CHIP_ESP32P4
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---help---
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Wakeup ULP when LP_GPIO10 is low
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config ESPRESSIF_ULP_WAKEUP_LP_IO11_LOW
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bool "LP_IO11"
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default n
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depends on ARCH_CHIP_ESP32P4
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---help---
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Wakeup ULP when LP_GPIO11 is low
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config ESPRESSIF_ULP_WAKEUP_LP_IO12_LOW
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bool "LP_IO12"
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default n
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depends on ARCH_CHIP_ESP32P4
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---help---
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Wakeup ULP when LP_GPIO12 is low
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config ESPRESSIF_ULP_WAKEUP_LP_IO13_LOW
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bool "LP_IO13"
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default n
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depends on ARCH_CHIP_ESP32P4
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---help---
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Wakeup ULP when LP_GPIO13 is low
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config ESPRESSIF_ULP_WAKEUP_LP_IO14_LOW
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bool "LP_IO14"
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default n
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depends on ARCH_CHIP_ESP32P4
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---help---
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Wakeup ULP when LP_GPIO14 is low
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endmenu # GPIOs to wakeup ULP when low
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menu "GPIOs to wakeup ULP when high"
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config ESPRESSIF_ULP_WAKEUP_LP_IO0_HIGH
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bool "LP_IO0"
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default n
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---help---
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Wakeup ULP when LP_GPIO0 is high.
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config ESPRESSIF_ULP_WAKEUP_LP_IO1_HIGH
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bool "LP_IO1"
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default n
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---help---
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Wakeup ULP when LP_GPIO1 is high.
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config ESPRESSIF_ULP_WAKEUP_LP_IO2_HIGH
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bool "LP_IO2"
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default n
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---help---
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Wakeup ULP when LP_GPIO2 is high.
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config ESPRESSIF_ULP_WAKEUP_LP_IO3_HIGH
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bool "LP_IO3"
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default n
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---help---
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Wakeup ULP when LP_GPIO3 is high.
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config ESPRESSIF_ULP_WAKEUP_LP_IO4_HIGH
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bool "LP_IO4"
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default n
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---help---
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Wakeup ULP when LP_GPIO4 is high.
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config ESPRESSIF_ULP_WAKEUP_LP_IO5_HIGH
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bool "LP_IO5"
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default n
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---help---
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Wakeup ULP when LP_GPIO5 is high.
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config ESPRESSIF_ULP_WAKEUP_LP_IO6_HIGH
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bool "LP_IO6"
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default n
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---help---
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Wakeup ULP when LP_GPIO6 is high.
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config ESPRESSIF_ULP_WAKEUP_LP_IO7_HIGH
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bool "LP_IO7"
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default n
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---help---
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Wakeup ULP when LP_GPIO7 is high.
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config ESPRESSIF_ULP_WAKEUP_LP_IO8_HIGH
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bool "LP_IO8"
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default n
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depends on ARCH_CHIP_ESP32P4
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---help---
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Wakeup ULP when LP_GPIO8 is high
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config ESPRESSIF_ULP_WAKEUP_LP_IO9_HIGH
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bool "LP_IO9"
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default n
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depends on ARCH_CHIP_ESP32P4
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---help---
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Wakeup ULP when LP_GPIO9 is high
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config ESPRESSIF_ULP_WAKEUP_LP_IO10_HIGH
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bool "LP_IO10"
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default n
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depends on ARCH_CHIP_ESP32P4
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---help---
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Wakeup ULP when LP_GPIO10 is high
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config ESPRESSIF_ULP_WAKEUP_LP_IO11_HIGH
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bool "LP_IO11"
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default n
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depends on ARCH_CHIP_ESP32P4
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---help---
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Wakeup ULP when LP_GPIO11 is high
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config ESPRESSIF_ULP_WAKEUP_LP_IO12_HIGH
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bool "LP_IO12"
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default n
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depends on ARCH_CHIP_ESP32P4
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---help---
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Wakeup ULP when LP_GPIO12 is high
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config ESPRESSIF_ULP_WAKEUP_LP_IO13_HIGH
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bool "LP_IO13"
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default n
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depends on ARCH_CHIP_ESP32P4
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---help---
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Wakeup ULP when LP_GPIO13 is high
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config ESPRESSIF_ULP_WAKEUP_LP_IO14_HIGH
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bool "LP_IO14"
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default n
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depends on ARCH_CHIP_ESP32P4
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---help---
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Wakeup ULP when LP_GPIO14 is high
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endmenu # GPIOs to wakeup ULP when high
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endmenu # ULP Wakeup LP IO Sources
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config ESPRESSIF_ULP_WAKEUP_SLEEP_DURATION_US
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int "Sleep duration of LP Coprocessor in us"
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depends on ESPRESSIF_ULP_WAKEUP_LP_TIMER
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default 1000000
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choice ESPRESSIF_ULP_WAKEUP_LPUART_MODE
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prompt "LP Coprocessor UART Wakeup Mode"
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depends on ESPRESSIF_ULP_WAKEUP_LP_UART
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default ESPRESSIF_ULP_WAKEUP_LPUART_START_BIT_MODE
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config ESPRESSIF_ULP_WAKEUP_LPUART_ACTIVE_EDGE_THRESHOLD_MODE
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bool "Wake-up triggered by active edge threshold"
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config ESPRESSIF_ULP_WAKEUP_LPUART_FIFO_THRESHOLD_MODE
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bool "Wake-up triggered by the number of bytes received in the RX FIFO"
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config ESPRESSIF_ULP_WAKEUP_LPUART_START_BIT_MODE
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bool "Wake-up triggered by the detection of a start bit"
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config ESPRESSIF_ULP_WAKEUP_LPUART_CHAR_SEQ_MODE
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bool "Wake-up triggered by detecting a specific character sequence"
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endchoice # ESPRESSIF_ULP_WAKEUP_LPUART_MODE
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config ESPRESSIF_ULP_WAKEUP_LPUART_ACTIVE_EDGE_THRESHOLD
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int "Number of RXD edge changes to to trigger wake-up"
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depends on ESPRESSIF_ULP_WAKEUP_LPUART_ACTIVE_EDGE_THRESHOLD_MODE
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default 3
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config ESPRESSIF_ULP_WAKEUP_LPUART_FIFO_THRESHOLD
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int "Number of bytes needed to receive in the RX FIFO to trigger wake-up"
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depends on ESPRESSIF_ULP_WAKEUP_LPUART_FIFO_THRESHOLD_MODE
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default 8
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config ESPRESSIF_ULP_WAKEUP_LPUART_CHAR_SEQ
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string "Character sequence to trigger wake-up"
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depends on ESPRESSIF_ULP_WAKEUP_LPUART_CHAR_SEQ_MODE
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default "esp"
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endmenu # LP Core (Low-power core) Coprocessor Configuration
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menu "PM Configuration"
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@@ -32,6 +32,11 @@
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#include "ulp_lp_core.h"
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#include "ulp/ulp_var_map.h"
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#include "esp_ulp.h"
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#include "driver/rtc_io.h"
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#include "ulp_lp_core_lp_uart_shared.h"
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#include "hal/uart_ll.h"
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/****************************************************************************
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* Pre-processor Definitions
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@@ -65,7 +70,20 @@ static const struct file_operations g_esp_ulp_fops =
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ulp_lp_core_cfg_t cfg =
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{
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_HP_CPU
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.wakeup_source = ULP_LP_CORE_WAKEUP_SOURCE_HP_CPU,
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#endif
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_TIMER
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.wakeup_source = ULP_LP_CORE_WAKEUP_SOURCE_LP_TIMER,
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.lp_timer_sleep_duration_us =
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CONFIG_ESPRESSIF_ULP_WAKEUP_SLEEP_DURATION_US,
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#endif
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO
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.wakeup_source = ULP_LP_CORE_WAKEUP_SOURCE_LP_IO,
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#endif
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_UART
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.wakeup_source = ULP_LP_CORE_WAKEUP_SOURCE_LP_UART,
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#endif
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};
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/****************************************************************************
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@@ -76,6 +94,231 @@ ulp_lp_core_cfg_t cfg =
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* Private Functions
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****************************************************************************/
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_UART
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/****************************************************************************
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* Name: esp_ulp_wakeup_lpuart_init
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*
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* Description:
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* Configure LPUART to use as ULP wakeup source.
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* Zero (OK) on success, or -1 (ERROR) in case of failure.
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*
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****************************************************************************/
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static int esp_ulp_wakeup_lpuart_init(void)
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{
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uart_wakeup_cfg_t wake_up_cfg =
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{
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LPUART_ACTIVE_EDGE_THRESHOLD_MODE
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.wakeup_mode = UART_WK_MODE_ACTIVE_THRESH,
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.rx_edge_threshold =
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CONFIG_ESPRESSIF_ULP_WAKEUP_LPUART_ACTIVE_EDGE_THRESHOLD
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#endif
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LPUART_FIFO_THRESHOLD_MODE
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.wakeup_mode = UART_WK_MODE_FIFO_THRESH,
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.rx_fifo_threshold = CONFIG_ESPRESSIF_ULP_WAKEUP_LPUART_FIFO_THRESHOLD
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#endif
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LPUART_START_BIT_MODE
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.wakeup_mode = UART_WK_MODE_START_BIT,
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#endif
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LPUART_CHAR_SEQ_MODE
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.wakeup_mode = UART_WK_MODE_CHAR_SEQ,
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.wake_chars_seq = CONFIG_ESPRESSIF_ULP_WAKEUP_LPUART_CHAR_SEQ
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#endif
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};
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return uart_wakeup_setup(LP_UART_NUM_0, &wake_up_cfg);
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}
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#endif
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO
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/****************************************************************************
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* Name: esp_ulp_get_high_io_mask
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*
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* Description:
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* Get ULP wakeup high IO mask value from configured wakeup pins.
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* A 64-bit unsigned integer where each bit corresponds to an RTC GPIO pin
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* that has been configured high as an ULP wakeup source.
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*
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****************************************************************************/
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static uint64_t esp_ulp_get_high_io_mask(void)
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{
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uint64_t io_mask = 0;
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO0_HIGH
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io_mask |= BIT(0);
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#endif
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO1_HIGH
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io_mask |= BIT(1);
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#endif
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO2_HIGH
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io_mask |= BIT(2);
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#endif
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO3_HIGH
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io_mask |= BIT(3);
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#endif
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO4_HIGH
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io_mask |= BIT(4);
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#endif
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO5_HIGH
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io_mask |= BIT(5);
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#endif
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO6_HIGH
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io_mask |= BIT(6);
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#endif
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO7_HIGH
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io_mask |= BIT(7);
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#endif
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO8_HIGH
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io_mask |= BIT(8);
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#endif
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO9_HIGH
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io_mask |= BIT(9);
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#endif
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO10_HIGH
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io_mask |= BIT(10);
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#endif
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO11_HIGH
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io_mask |= BIT(11);
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#endif
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO12_HIGH
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io_mask |= BIT(12);
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#endif
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO13_HIGH
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io_mask |= BIT(13);
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#endif
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO14_HIGH
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io_mask |= BIT(14);
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#endif
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return io_mask;
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}
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/****************************************************************************
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* Name: esp_ulp_get_low_io_mask
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*
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* Description:
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* Get ULP wakeup low IO mask value from configured wakeup pins.
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* A 64-bit unsigned integer where each bit corresponds to an RTC GPIO pin
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* that has been configured low as an ULP wakeup source.
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*
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****************************************************************************/
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static uint64_t esp_ulp_get_low_io_mask(void)
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{
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uint64_t io_mask = 0;
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO0_LOW
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io_mask |= BIT(0);
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#endif
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO1_LOW
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io_mask |= BIT(1);
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#endif
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO2_LOW
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io_mask |= BIT(2);
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#endif
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO3_LOW
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io_mask |= BIT(3);
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#endif
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO4_LOW
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io_mask |= BIT(4);
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#endif
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO5_LOW
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io_mask |= BIT(5);
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#endif
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO6_LOW
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io_mask |= BIT(6);
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#endif
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#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO7_LOW
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||||
io_mask |= BIT(7);
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO8_LOW
|
||||
io_mask |= BIT(8);
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO9_LOW
|
||||
io_mask |= BIT(9);
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO10_LOW
|
||||
io_mask |= BIT(10);
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO11_LOW
|
||||
io_mask |= BIT(11);
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO12_LOW
|
||||
io_mask |= BIT(12);
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO13_LOW
|
||||
io_mask |= BIT(13);
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO14_LOW
|
||||
io_mask |= BIT(14);
|
||||
#endif
|
||||
|
||||
return io_mask;
|
||||
}
|
||||
|
||||
/****************************************************************************
|
||||
* Name: esp_ulp_wakeup_io_init
|
||||
*
|
||||
* Description:
|
||||
* Configure GPIO to use as ULP wakeup source.
|
||||
*
|
||||
* Input Parameters:
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* Zero (OK) on success, or -1 (ERROR) in case of failure.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
static int esp_ulp_wakeup_io_init(void)
|
||||
{
|
||||
int ret = OK;
|
||||
int pin_mask;
|
||||
gpio_int_type_t wake_up_type;
|
||||
uint64_t io_mask_low = esp_ulp_get_low_io_mask();
|
||||
uint64_t io_mask_high = esp_ulp_get_high_io_mask();
|
||||
|
||||
for (int i = 0; i < CONFIG_SOC_RTCIO_PIN_COUNT; i++)
|
||||
{
|
||||
pin_mask = BIT(i);
|
||||
if ((io_mask_low & pin_mask) != 0 ||
|
||||
(io_mask_high & pin_mask) != 0)
|
||||
{
|
||||
ret = esp_rtcio_config_gpio(i, ESP_RTC_GPIO_MODE_INPUT_OUTPUT);
|
||||
if (ret != OK)
|
||||
{
|
||||
ferr("Failed to configure pin: %d\n", i);
|
||||
return ret;
|
||||
}
|
||||
|
||||
wake_up_type = GPIO_INTR_HIGH_LEVEL;
|
||||
if ((io_mask_low & pin_mask) != 0)
|
||||
{
|
||||
wake_up_type = GPIO_INTR_LOW_LEVEL;
|
||||
}
|
||||
|
||||
rtc_gpio_wakeup_enable(i, wake_up_type);
|
||||
}
|
||||
}
|
||||
|
||||
return OK;
|
||||
}
|
||||
#endif
|
||||
|
||||
/****************************************************************************
|
||||
* Name: esp_ulp_ioctl
|
||||
*
|
||||
@@ -220,11 +463,30 @@ int esp_ulp_load_bin(const char *buffer, size_t buflen)
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
* Returns OK on success; a negated errno value on failure
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void esp_ulp_init(void)
|
||||
int esp_ulp_init(void)
|
||||
{
|
||||
int ret = OK;
|
||||
#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_IO
|
||||
ret = esp_ulp_wakeup_io_init();
|
||||
if (ret != OK)
|
||||
{
|
||||
return ret;
|
||||
}
|
||||
|
||||
#endif
|
||||
#ifdef CONFIG_ESPRESSIF_ULP_WAKEUP_LP_UART
|
||||
esp_ulp_wakeup_lpuart_init();
|
||||
if (ret != OK)
|
||||
{
|
||||
ferr("Failed to LP UART wakeup\n");
|
||||
return ret;
|
||||
}
|
||||
|
||||
#endif
|
||||
esp_ulp_register();
|
||||
return ret;
|
||||
}
|
||||
|
||||
@@ -30,6 +30,8 @@
|
||||
#include <nuttx/config.h>
|
||||
#include <sys/types.h>
|
||||
|
||||
#include "espressif/esp_rtc_gpio.h"
|
||||
|
||||
#ifndef __ASSEMBLY__
|
||||
|
||||
#undef EXTERN
|
||||
@@ -72,11 +74,11 @@ int esp_ulp_load_bin(const char *buffer, size_t buflen);
|
||||
* None
|
||||
*
|
||||
* Returned Value:
|
||||
* None
|
||||
* Returns OK on success; a negated errno value on failure
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void esp_ulp_init(void);
|
||||
int esp_ulp_init(void);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user