trmnl/bb_epaper
0
0
Fork 0
mirror of https://github.com/usetrmnl/bb_epaper.git synced 2026-04-29 13:43:26 -07:00
Code Issues Packages Projects Releases Wiki Activity

minimal pico example working

Browse Source
This commit is contained in:
Laurence Bank
2024-09-27 20:27:42 +01:00
parent c7783eb2ce
commit 6dd4c815eb
2 changed files with 39 additions and 28 deletions
Download Patch File Download Diff File Expand all files Collapse all files
rpi_pico/epaper_example/CMakeLists.txt
+28
View File
@@ -1,3 +1,31 @@
# == DO NEVER EDIT THE NEXT LINES for Raspberry Pi Pico VS Code Extension to work ==
if(WIN32)
set(USERHOME $ENV{USERPROFILE})
else()
set(USERHOME $ENV{HOME})
endif()
set(sdkVersion 2.0.0)
set(toolchainVersion 13_2_Rel1)
set(picotoolVersion 2.0.0)
set(picoVscode ${USERHOME}/.pico-sdk/cmake/pico-vscode.cmake)
if (EXISTS ${picoVscode})
include(${picoVscode})
endif()
# ====================================================================================
# == DO NEVER EDIT THE NEXT LINES for Raspberry Pi Pico VS Code Extension to work ==
if(WIN32)
set(USERHOME $ENV{USERPROFILE})
else()
set(USERHOME $ENV{HOME})
endif()
set(sdkVersion 2.0.0)
set(toolchainVersion 13_2_Rel1)
set(picotoolVersion 2.0.0)
set(picoVscode ${USERHOME}/.pico-sdk/cmake/pico-vscode.cmake)
if (EXISTS ${picoVscode})
include(${picoVscode})
endif()
# ====================================================================================
# Generated Cmake Pico project file
cmake_minimum_required(VERSION 3.13)
rpi_pico/epaper_example/epaper_example.c
+11 -28
View File
@@ -11,6 +11,9 @@
#define PIN_CS 17
#define PIN_SCK 18
#define PIN_MOSI 19
#define PIN_BUSY 22
#define PIN_DC 21
#define PIN_RST 20
// I2C defines
// This example will use I2C0 on GPIO8 (SDA) and GPIO9 (SCL) running at 400KHz.
@@ -29,31 +32,11 @@ BBEPDISP bbep; // the main display structure
int main()
{
stdio_init_all();
// SPI initialisation. This example will use SPI at 1MHz.
spi_init(SPI_PORT, 1000*1000);
gpio_set_function(PIN_MISO, GPIO_FUNC_SPI);
gpio_set_function(PIN_CS, GPIO_FUNC_SIO);
gpio_set_function(PIN_SCK, GPIO_FUNC_SPI);
gpio_set_function(PIN_MOSI, GPIO_FUNC_SPI);
// Chip select is active-low, so we'll initialise it to a driven-high state
gpio_set_dir(PIN_CS, GPIO_OUT);
gpio_put(PIN_CS, 1);
// For more examples of SPI use see https://github.com/raspberrypi/pico-examples/tree/master/spi
// I2C Initialisation. Using it at 400Khz.
i2c_init(I2C_PORT, 400*1000);
gpio_set_function(I2C_SDA, GPIO_FUNC_I2C);
gpio_set_function(I2C_SCL, GPIO_FUNC_I2C);
gpio_pull_up(I2C_SDA);
gpio_pull_up(I2C_SCL);
// For more examples of I2C use see https://github.com/raspberrypi/pico-examples/tree/master/i2c
while (true) {
printf("Hello, world!\n");
sleep_ms(1000);
}
}
bbepSetPanelType(&bbep, EPD295_128x296); // must set this first
bbepInitIO(&bbep, PIN_DC, PIN_RST, PIN_BUSY, PIN_CS, PIN_MOSI, PIN_SCK, 8000000);
bbepFill(&bbep, BBEP_WHITE, 0);
bbepWriteString(&bbep, 0, 0, "RPI Pico2!", FONT_12x16, BBEP_BLACK);
bbepRefresh(&bbep, REFRESH_FULL);
bbepWaitBusy(&bbep);
bbepSleep(&bbep, DEEP_SLEEP);
} /* main() */