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16 … low power modes. The main difference from the FSM ULP is this variant can be programmed in C usin…
23 …:`Getting Started Guide <../../get-started/index>`, then the toolchain should already be installed.
30 To compile the ULP-RISC-V code as part of the component, the following steps must be taken:
32 1. The ULP-RISC-V code, written in C or assembly (must use the `.S` extension), must be placed into…
34 … the component (via ``idf_component_register``), this directory should not be added to the ``SRC_D…
47 …_binary`` specifies the ULP binary name. The name specified here will also be used by other genera…
49 …rgument specifies the list of component source files which include the header file to be generated.
50 … the dependencies correctly and ensure that the generated header file will be created before any o…
61 …me.elf``). The Map file (``ulp_app_name.map``) generated at this stage may be useful for debugging…
63 …5. **Dump the contents of the ELF file into a binary** (``ulp_app_name.bin``) which can then be em…
69 8. **Add the generated binary to the list of binary files** to be embedded into the application.
74 Global symbols defined in the ULP-RISC-V program may be used inside the main program.
104 …e generated header file should be included using an ``include`` statement. This will allow the ULP…
119 …be enabled in menuconfig to reserve memory for the ULP. "RTC slow memory reserved for coprocessor"…
148 …EG`` register. When starting the ULP, ``RTC_CNTL_ULP_CP_TIMER_1_REG`` will be used to set the numb…
154 …. Once the program halts, the ULP coprocessor will power down, and the timer will be started again.
156 …LP_CP_SLP_TIMER_EN`` bit in the ``RTC_CNTL_STATE0_REG`` register. This can be done both from the U…