/tags/arch/ Recent content in arch on Shylock Hg Hugo -- gohugo.io en-us Sun, 25 Feb 2018 00:00:00 +0000 /post/2018/02/25/tips-of-constructing-environment-for-xtensa-esp32-elf/ Sun, 25 Feb 2018 00:00:00 +0000 /post/2018/02/25/tips-of-constructing-environment-for-xtensa-esp32-elf/ 1.Environment 1.x86_64 Linux 4.14.14-1-ARCH 2.Tips of build cross-toolchain 1.Need to build xtensa-esp32-elf toolchain locally. 2.If build fail for mistake of scm_ports.o interface.Then change the value of CT_GDB_CROSS_EXTRA_CONFIG_ARRAY to ”–with-guile=guile-2.0” in file crosstool-NG/.config. 3.The tookchain built included in crosstool-NG/builds/xtensa-esp32-elf/bin. 3.Tips of ESP-IDF ESP-IDF:The specific API/lib of esp-32. /post/2018/01/23/implement-fsm-by-c-language-in-a-special-apply/ Tue, 23 Jan 2018 00:00:00 +0000 /post/2018/01/23/implement-fsm-by-c-language-in-a-special-apply/ 1.Arch of AD602_G1S1 project. 2.FSM description 2.1Behavior abstract In this project,I abstract program to [states,events] matrix.So the main work of program is handle various events in states. 2.2Top map of FSM There is a simple top map of states switch below. 3.Implement by c language. 3.1 FSM arch definition /*!********** state id enum ***********/ typedef enum state_id { STATE_0_0, STATE_0_1, //!< more state id reserved } state_id_t; /*!********** state struct def ***********/ t ypedef const struct state { const state_id_t idx; const struct state * next; const struct state * back; const struct state * ex0; const struct state * ex1; void (*handler)(events_user_t * e_user, events_server_t * e_server); } state_t; 3.