This commit is contained in:
2025-11-21 17:39:07 +01:00
parent ee55984c93
commit 55a1469b99
10 changed files with 295 additions and 86 deletions

2
.gitignore vendored
View File

@@ -1,3 +1,3 @@
/build
/.cache

6
.gitmodules vendored
View File

@@ -1,3 +1,3 @@
[submodule "libs/pico-sdk"]
path = libs/pico-sdk
url = https://github.com/raspberrypi/pico-sdk.git
[submodule "libs/adafruitGFX"]
path = libs/adafruitGFX
url = https://github.com/MarkWalter94/AdafruitGFX-RaspberryPICO.git

52
.vscode/launch.json vendored Normal file
View File

@@ -0,0 +1,52 @@
{
"version": "0.2.0",
"configurations": [
{
"name": "Pico Debug (Cortex-Debug)",
"cwd": "/usr/shere/openocd/scripts",
"type": "cortex-debug",
"executable": "${command:cmake.launchTargetPath}",
"request": "launch",
"servertype": "openocd",
// "serverpath": "${userHome}/.pico-sdk/openocd/0.12.0+dev/openocd.exe",
// "gdbPath": "${command:raspberry-pi-pico.getGDBPath}",
"gdbPath": "/usr/bin/arm-none-eabi-gdb",
"device": "RP2040",
"configFiles": [
"interface/cmsis-dap.cfg",
"target/rp2040.cfg"
],
"svdFile": "${PICO_SDK_PATH}/src/rp2040/hardware_regs/RP2040.svd",
"runToEntryPoint": "main",
// Fix for no_flash binaries, where monitor reset halt doesn't do what is expected
// Also works fine for flash binaries
"overrideLaunchCommands": [
"monitor reset init",
"load \"${command:cmake.launchTargetPath}\""
],
"openOCDLaunchCommands": [
"adapter speed 5000"
]
},
{
"name": "Pico Debug (Cortex-Debug with external OpenOCD)",
"cwd": "${workspaceRoot}",
"type": "cortex-debug",
"executable": "${command:cmake.launchTargetPath}",
"request": "launch",
"servertype": "external",
"gdbTarget": "localhost:3333",
// "gdbPath": "${command:raspberry-pi-pico.getGDBPath}",
"gdbPath": "/usr/bin/arm-none-eabi-gdb",
"device": "RP2040",
"svdFile": "${PICO_SDK_PATH}/src/rp2040/hardware_regs/RP2040.svd",
"runToEntryPoint": "main",
// Fix for no_flash binaries, where monitor reset halt doesn't do what is expected
// Also works fine for flash binaries
"overrideLaunchCommands": [
"monitor reset init",
"load \"${command:cmake.launchTargetPath}\""
]
},
]
}

View File

@@ -1,21 +1,31 @@
cmake_minimum_required(VERSION 3.13)
# initialize the SDK based on PICO_SDK_PATH
# note: this must happen before project()
include(libs/pico-sdk/pico_sdk_init.cmake)
set(PICO_SDK_PATH $ENV{PICO_SDK_PATH})
include(pico_sdk_import.cmake)
project(temp_sensor_debug)
project(temp_sensor)
# initialize the Raspberry Pi Pico SDK
pico_sdk_init()
add_executable(my_project
src/main.c
src/max31856.c
add_subdirectory(libs/adafruitGFX/AdafruitGFXPico)
add_executable(temp_sensor_debug
src/main.cpp
src/max31856.cpp
)
# Add pico_stdlib library which aggregates commonly used features
target_link_libraries(my_project pico_stdlib hardware_spi)
target_link_libraries(temp_sensor_debug pico_stdlib hardware_spi AdafruitGFXPico)
target_compile_options(temp_sensor_debug PRIVATE -Og)
pico_enable_stdio_usb(temp_sensor_debug 1)
pico_enable_stdio_uart(temp_sensor_debug 0)
# create map/bin/hex/uf2 file in addition to ELF.
pico_add_extra_outputs(my_project)
add_executable(temp_sensor
src/main.cpp
src/max31856.cpp
)
target_link_libraries(temp_sensor pico_stdlib hardware_spi AdafruitGFXPico)
target_compile_options(temp_sensor PRIVATE -Ofast)
pico_enable_stdio_usb(temp_sensor 1)
pico_enable_stdio_uart(temp_sensor 0)

1
libs/adafruitGFX Submodule

Submodule libs/adafruitGFX added at 07bb0fae1b

Submodule libs/pico-sdk deleted from 6a7db34ff6

121
pico_sdk_import.cmake Normal file
View File

@@ -0,0 +1,121 @@
# 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()
# Copyright 2020 (c) 2020 Raspberry Pi (Trading) Ltd.
#
# Redistribution and use in source and binary forms, with or without modification, are permitted provided that the
# following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following
# disclaimer.
#
# 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided with the distribution.
#
# 3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
# INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 ()
if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT_TAG} AND (NOT PICO_SDK_FETCH_FROM_GIT_TAG))
set(PICO_SDK_FETCH_FROM_GIT_TAG $ENV{PICO_SDK_FETCH_FROM_GIT_TAG})
message("Using PICO_SDK_FETCH_FROM_GIT_TAG from environment ('${PICO_SDK_FETCH_FROM_GIT_TAG}')")
endif ()
if (PICO_SDK_FETCH_FROM_GIT AND NOT PICO_SDK_FETCH_FROM_GIT_TAG)
set(PICO_SDK_FETCH_FROM_GIT_TAG "master")
message("Using master as default value for PICO_SDK_FETCH_FROM_GIT_TAG")
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 "${PICO_SDK_FETCH_FROM_GIT_PATH}" CACHE FILEPATH "location to download SDK")
set(PICO_SDK_FETCH_FROM_GIT_TAG "${PICO_SDK_FETCH_FROM_GIT_TAG}" CACHE FILEPATH "release tag for 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 ()
FetchContent_Declare(
pico_sdk
GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
GIT_TAG ${PICO_SDK_FETCH_FROM_GIT_TAG}
)
if (NOT pico_sdk)
message("Downloading Raspberry Pi Pico SDK")
# GIT_SUBMODULES_RECURSE was added in 3.17
if (${CMAKE_VERSION} VERSION_GREATER_EQUAL "3.17.0")
FetchContent_Populate(
pico_sdk
QUIET
GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
GIT_TAG ${PICO_SDK_FETCH_FROM_GIT_TAG}
GIT_SUBMODULES_RECURSE FALSE
SOURCE_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-src
BINARY_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-build
SUBBUILD_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-subbuild
)
else ()
FetchContent_Populate(
pico_sdk
QUIET
GIT_REPOSITORY https://github.com/raspberrypi/pico-sdk
GIT_TAG ${PICO_SDK_FETCH_FROM_GIT_TAG}
SOURCE_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-src
BINARY_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-build
SUBBUILD_DIR ${FETCHCONTENT_BASE_DIR}/pico_sdk-subbuild
)
endif ()
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})

View File

@@ -1,65 +0,0 @@
#include <stdio.h>
#include "pico/stdlib.h"
#include "max31856.h"
// pin rgb led on Seeed XIAO RP2040
#define PIN_RGB_R 17
#define PIN_RGB_G 16
#define PIN_RGB_B 25
max31856_t temp[2];
void init_rbg()
{
gpio_init(PIN_RGB_R);
gpio_set_dir(PIN_RGB_R, GPIO_OUT);
gpio_init(PIN_RGB_G);
gpio_set_dir(PIN_RGB_G, GPIO_OUT);
gpio_init(PIN_RGB_B);
gpio_set_dir(PIN_RGB_B, GPIO_OUT);
}
void rgb_rainbow()
{
gpio_put(PIN_RGB_G, 1);
sleep_ms(250);
gpio_put(PIN_RGB_R, 0);
sleep_ms(250);
gpio_put(PIN_RGB_B, 1);
sleep_ms(250);
gpio_put(PIN_RGB_G, 0);
sleep_ms(250);
gpio_put(PIN_RGB_R, 1);
sleep_ms(250);
gpio_put(PIN_RGB_B, 0);
sleep_ms(250);
gpio_put(PIN_RGB_R, 0);
}
int main() {
setup_default_uart();
printf("Hello, world!\n");
init_rbg();
rgb_rainbow();
// init temp sensors
temp[0].pin_cs = 4;
max31856_init(&(temp[0]));
temp[1].pin_cs = 5;
max31856_init(&(temp[1]));
// config temp sensor 0
max31856_write8(&(temp[0]), MAX31856_REG_CR0, MAX31856_REG_CR0_CMODE | /*MAX31856_REG_CR0_OCFAULT |*/ MAX31856_REG_CR0_50HZ);
max31856_write8(&(temp[0]), MAX31856_REG_CR1, MAX31856_REG_CR1_AVGSEL_1 | MAX31856_REG_CR1_TC_TYPE_K);
// config temp sensor 1
max31856_write8(&(temp[1]), MAX31856_REG_CR0, MAX31856_REG_CR0_CMODE | /*MAX31856_REG_CR0_OCFAULT |*/ MAX31856_REG_CR0_50HZ);
max31856_write8(&(temp[1]), MAX31856_REG_CR1, MAX31856_REG_CR1_AVGSEL_1 | MAX31856_REG_CR1_TC_TYPE_K);
while (true)
{
rgb_rainbow();
}
return 0;
}

91
src/main.cpp Normal file
View File

@@ -0,0 +1,91 @@
#include <stdio.h>
#include <pico/stdlib.h>
#include <Adafruit_SSD1306.h>
#include <Adafruit_SPIDevice.h>
#include <Adafruit_ILI9341.h>
#include "max31856.h"
// pin rgb led on Seeed XIAO RP2040
#define PIN_RGB_R 17
#define PIN_RGB_G 16
#define PIN_RGB_B 25
#define PIN_SPI_MISO 0
#define PIN_SPI_CLK 2
#define PIN_SPI_MOSI 3
#define PIN_MAX31856_CS 1
#define PIN_DISPLAY_CS 4
#define PIN_DISPLAY_DC 5
#define PIN_DISPLAY_RST 6
max31856_t temp[2];
Adafruit_SPIDevice spidev(PIN_DISPLAY_CS, PIN_SPI_CLK, PIN_SPI_MISO, PIN_SPI_MOSI);
Adafruit_SSD1306 display(128, 64, &spidev, PIN_DISPLAY_DC, PIN_DISPLAY_RST, PIN_DISPLAY_CS);
void init_rbg()
{
gpio_init(PIN_RGB_R);
gpio_set_dir(PIN_RGB_R, GPIO_OUT);
gpio_init(PIN_RGB_G);
gpio_set_dir(PIN_RGB_G, GPIO_OUT);
gpio_init(PIN_RGB_B);
gpio_set_dir(PIN_RGB_B, GPIO_OUT);
}
void rgb_rainbow()
{
gpio_put(PIN_RGB_G, 1);
sleep_ms(250);
gpio_put(PIN_RGB_R, 0);
sleep_ms(250);
gpio_put(PIN_RGB_B, 1);
sleep_ms(250);
gpio_put(PIN_RGB_G, 0);
sleep_ms(250);
gpio_put(PIN_RGB_R, 1);
sleep_ms(250);
gpio_put(PIN_RGB_B, 0);
sleep_ms(250);
}
int main() {
stdio_init_all();
rgb_rainbow();
rgb_rainbow();
printf("Hello, world!\n");
init_rbg();
rgb_rainbow();
rgb_rainbow();
display.begin();
// init temp sensors
// temp[0].pin_cs = PIN_MAX31856_CS;
// max31856_init(&(temp[0]));
// // temp[1].pin_cs = 5;
// //max31856_init(&(temp[1]));
// // config temp sensor 0
// max31856_write8(&(temp[0]), MAX31856_REG_CR0, MAX31856_REG_CR0_CMODE | /*MAX31856_REG_CR0_OCFAULT |*/ MAX31856_REG_CR0_50HZ);
// max31856_write8(&(temp[0]), MAX31856_REG_CR1, MAX31856_REG_CR1_AVGSEL_1 | MAX31856_REG_CR1_TC_TYPE_K);
// // config temp sensor 1
// //max31856_write8(&(temp[1]), MAX31856_REG_CR0, MAX31856_REG_CR0_CMODE | /*MAX31856_REG_CR0_OCFAULT |*/ MAX31856_REG_CR0_50HZ);
// //max31856_write8(&(temp[1]), MAX31856_REG_CR1, MAX31856_REG_CR1_AVGSEL_1 | MAX31856_REG_CR1_TC_TYPE_K);
display.fillScreen(SSD1306_WHITE);
display.setTextColor(SSD1306_BLACK);
display.print("Henlo doggo");
rgb_rainbow();
while (true)
{
display.fillScreen(SSD1306_WHITE);
rgb_rainbow();
display.fillScreen(SSD1306_BLACK);
rgb_rainbow();
}
return 0;
}

View File

@@ -39,7 +39,7 @@ int max31856_write8(max31856_t *max, uint8_t addr, uint8_t value)
{
return -1;
}
const uint8_t buff[2] = {addr | 0x80, value};
uint8_t buff[2] = {addr | 0x80, value};
gpio_put(max->pin_cs, 0);
spi_write_blocking(SPI_MAX31856, &buff[0], 2);
gpio_put(max->pin_cs, 1);
@@ -53,8 +53,8 @@ uint8_t max31856_read8(max31856_t *max, uint8_t addr)
{
return -1;
}
const uint16_t buff_tx = (addr & 0x7F)<<8;
const uint8_t buff_rx[] = {0, 0};
uint16_t buff_tx = (addr & 0x7F)<<8;
uint8_t buff_rx[] = {0, 0};
gpio_put(max->pin_cs, 0);
spi_read_blocking(SPI_MAX31856, buff_tx, &buff_rx[0], 2);
gpio_put(max->pin_cs, 1);
@@ -68,8 +68,8 @@ uint16_t max31856_read16(max31856_t *max, uint8_t addr)
{
return -1;
}
const uint16_t buff_tx = (addr & 0x7F)<<8;
const uint8_t buff_rx[] = {0, 0, 0};
uint16_t buff_tx = (addr & 0x7F)<<8;
uint8_t buff_rx[] = {0, 0, 0};
gpio_put(max->pin_cs, 0);
spi_read_blocking(SPI_MAX31856, buff_tx, &buff_rx[0], 3);
gpio_put(max->pin_cs, 1);