diff options
author | Thomas White <taw@physics.org> | 2023-02-05 22:08:05 +0100 |
---|---|---|
committer | Thomas White <taw@physics.org> | 2023-02-05 22:31:39 +0100 |
commit | f71dafdbcc6fba58158f49ccb1412cb93fd0c5b1 (patch) | |
tree | 94aa85a9afffc72392044c3774b6eeb0b3c6de23 |
Initial import
-rw-r--r-- | CMakeLists.txt | 14 | ||||
-rwxr-xr-x | compile | 10 | ||||
-rw-r--r-- | morningtown.c | 77 | ||||
-rw-r--r-- | pico_sdk_import.cmake | 73 |
4 files changed, 174 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt new file mode 100644 index 0000000..af55c1f --- /dev/null +++ b/CMakeLists.txt @@ -0,0 +1,14 @@ +cmake_minimum_required(VERSION 3.12) + +include(pico_sdk_import.cmake) + +project(morningtown C CXX ASM) +set(CMAKE_C_STANDARD 11) +set(CMAKE_CXX_STANDARD 17) + +# Initialize the SDK +pico_sdk_init() + +add_executable(morningtown morningtown.c) +target_link_libraries(morningtown pico_stdlib hardware_rtc) +pico_add_extra_outputs(morningtown) @@ -0,0 +1,10 @@ +#!/bin/sh + +export PICO_SDK_PATH=/mnt/datassd/2023/pico/pico-sdk/ +rm -rf build +mkdir build +cd build +cmake .. +cd .. +make -C build + diff --git a/morningtown.c b/morningtown.c new file mode 100644 index 0000000..85959fa --- /dev/null +++ b/morningtown.c @@ -0,0 +1,77 @@ +#include <pico/stdlib.h> +#include <hardware/rtc.h> +#include <pico/util/datetime.h> + +#define LED_GREEN 21 +#define LED_RED 22 + +static void alarm_callback() +{ + datetime_t t = {0}; + rtc_get_datetime(&t); + + if ( (t.hour == 7) && (t.min >= 15) ) { + gpio_put(LED_RED, 0); + gpio_put(LED_GREEN, 1); + } else if ( (t.hour >= 8) && (t.hour < 12) ) { + gpio_put(LED_RED, 1); + gpio_put(LED_GREEN, 1); + } else { + gpio_put(LED_RED, 0); + gpio_put(LED_GREEN, 0); + } +} + + +static void start_demo() +{ + int i; + for ( i=0; i<10; i++ ) { + gpio_put(LED_RED, 1); + gpio_put(LED_GREEN, 0); + sleep_ms(250); + gpio_put(LED_RED, 0); + gpio_put(LED_GREEN, 1); + sleep_ms(250); + } +} + + +int main() +{ + gpio_init(LED_GREEN); + gpio_init(LED_RED); + gpio_set_dir(LED_GREEN, GPIO_OUT); + gpio_set_dir(LED_RED, GPIO_OUT); + + datetime_t t = { + .year = 2023, + .month = 2, + .day = 5, + .dotw = 0, /* 0=Sunday */ + .hour = 22, + .min = 25, + .sec = 0 + }; + rtc_init(); + rtc_set_datetime(&t); + + /* Prove we're awake, then reset everything */ + start_demo(); + gpio_put(LED_RED, 0); + gpio_put(LED_GREEN, 0); + + datetime_t alarm = { + .year = -1, + .month = -1, + .day = -1, + .dotw = -1, + .hour = -1, + .min = -1, + .sec = 0 + }; + + rtc_set_alarm(&alarm, &alarm_callback); + + while (1); +} diff --git a/pico_sdk_import.cmake b/pico_sdk_import.cmake new file mode 100644 index 0000000..65f8a6f --- /dev/null +++ b/pico_sdk_import.cmake @@ -0,0 +1,73 @@ +# This is a copy of <PICO_SDK_PATH>/external/pico_sdk_import.cmake + +# This can be dropped into an external project to help locate this SDK +# It should be include()ed prior to project() + +if (DEFINED ENV{PICO_SDK_PATH} AND (NOT PICO_SDK_PATH)) + set(PICO_SDK_PATH $ENV{PICO_SDK_PATH}) + message("Using PICO_SDK_PATH from environment ('${PICO_SDK_PATH}')") +endif () + +if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT} AND (NOT PICO_SDK_FETCH_FROM_GIT)) + set(PICO_SDK_FETCH_FROM_GIT $ENV{PICO_SDK_FETCH_FROM_GIT}) + message("Using PICO_SDK_FETCH_FROM_GIT from environment ('${PICO_SDK_FETCH_FROM_GIT}')") +endif () + +if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT_PATH} AND (NOT PICO_SDK_FETCH_FROM_GIT_PATH)) + set(PICO_SDK_FETCH_FROM_GIT_PATH $ENV{PICO_SDK_FETCH_FROM_GIT_PATH}) + message("Using PICO_SDK_FETCH_FROM_GIT_PATH from environment ('${PICO_SDK_FETCH_FROM_GIT_PATH}')") +endif () + +set(PICO_SDK_PATH "${PICO_SDK_PATH}" CACHE PATH "Path to the Raspberry Pi Pico SDK") +set(PICO_SDK_FETCH_FROM_GIT "${PICO_SDK_FETCH_FROM_GIT}" CACHE BOOL "Set to ON to fetch copy of SDK from git if not otherwise locatable") +set(PICO_SDK_FETCH_FROM_GIT_PATH "${PICO_SDK_FETCH_FROM_GIT_PATH}" CACHE FILEPATH "location to download SDK") + +if (NOT PICO_SDK_PATH) + if (PICO_SDK_FETCH_FROM_GIT) + include(FetchContent) + set(FETCHCONTENT_BASE_DIR_SAVE ${FETCHCONTENT_BASE_DIR}) + if (PICO_SDK_FETCH_FROM_GIT_PATH) + get_filename_component(FETCHCONTENT_BASE_DIR "${PICO_SDK_FETCH_FROM_GIT_PATH}" REALPATH BASE_DIR "${CMAKE_SOURCE_DIR}") + endif () + # GIT_SUBMODULES_RECURSE was added in 3.17 + if (${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.17.0") + FetchContent_Declare( + pico_sdk + GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk + GIT_TAG master + GIT_SUBMODULES_RECURSE FALSE + ) + else () + FetchContent_Declare( + pico_sdk + GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk + GIT_TAG master + ) + endif () + + if (NOT pico_sdk) + message("Downloading Raspberry Pi Pico SDK") + FetchContent_Populate(pico_sdk) + set(PICO_SDK_PATH ${pico_sdk_SOURCE_DIR}) + endif () + set(FETCHCONTENT_BASE_DIR ${FETCHCONTENT_BASE_DIR_SAVE}) + else () + message(FATAL_ERROR + "SDK location was not specified. Please set PICO_SDK_PATH or set PICO_SDK_FETCH_FROM_GIT to on to fetch from git." + ) + endif () +endif () + +get_filename_component(PICO_SDK_PATH "${PICO_SDK_PATH}" REALPATH BASE_DIR "${CMAKE_BINARY_DIR}") +if (NOT EXISTS ${PICO_SDK_PATH}) + message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' not found") +endif () + +set(PICO_SDK_INIT_CMAKE_FILE ${PICO_SDK_PATH}/pico_sdk_init.cmake) +if (NOT EXISTS ${PICO_SDK_INIT_CMAKE_FILE}) + message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' does not appear to contain the Raspberry Pi Pico SDK") +endif () + +set(PICO_SDK_PATH ${PICO_SDK_PATH} CACHE PATH "Path to the Raspberry Pi Pico SDK" FORCE) + +include(${PICO_SDK_INIT_CMAKE_FILE}) |