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Initial pico w port

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bissen21 committed 2026-11-01 07:52:19 -06:00
1 parent 50e59ce2a2
commit ead5d48ce0
17 files changed
+184 -7818
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lib/DEV/DEV_Config.c
+47 -92
View File
@@ -29,37 +29,30 @@
******************************************************************************/
#include "config.h"
#include "DEV_Config.h"
#include "driver/gpio.h"
#include "driver/spi_master.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include <string.h>
#define SPI_PORT SPI2_HOST
#define SPI_PORT spi1
// /**
// * GPIO
// **/
// int EPD_RST_PIN;
// int EPD_DC_PIN;
// int EPD_CS_PIN;
// int EPD_BUSY_PIN;
// int EPD_CLK_PIN;
// int EPD_MOSI_PIN;
spi_device_handle_t spi_device;
/**
* GPIO
**/
int EPD_RST_PIN;
int EPD_DC_PIN;
int EPD_CS_PIN;
int EPD_BUSY_PIN;
int EPD_CLK_PIN;
int EPD_MOSI_PIN;
/**
* GPIO read and write
**/
void DEV_Digital_Write(UWORD Pin, UBYTE Value)
{
gpio_set_level(Pin, Value);
gpio_put(Pin, Value);
}
UBYTE DEV_Digital_Read(UWORD Pin)
{
return gpio_get_level(Pin);
return gpio_get(Pin);
}
/**
@@ -67,23 +60,12 @@ UBYTE DEV_Digital_Read(UWORD Pin)
**/
void DEV_SPI_WriteByte(uint8_t Value)
{
spi_transaction_t trans;
memset(&trans, 0, sizeof(spi_transaction_t));
trans.flags = SPI_TRANS_USE_TXDATA;
trans.length = 8;
trans.tx_data[0] = Value;
spi_device_transmit(spi_device, &trans);
spi_write_blocking(SPI_PORT, &Value, 1);
}
void DEV_SPI_Write_nByte(uint8_t *pData, uint32_t Len)
{
if (Len == 0) return;
spi_transaction_t trans;
memset(&trans, 0, sizeof(spi_transaction_t));
trans.length = 8*Len;
trans.tx_buffer = pData;
spi_device_transmit(spi_device, &trans);
spi_write_blocking(SPI_PORT, pData, Len);
}
/**
@@ -91,20 +73,12 @@ void DEV_SPI_Write_nByte(uint8_t *pData, uint32_t Len)
**/
void DEV_GPIO_Mode(UWORD Pin, UWORD Mode)
{
gpio_config_t io_conf = {
.pin_bit_mask = (1ULL << Pin),
.intr_type = GPIO_INTR_DISABLE,
.pull_down_en = GPIO_PULLDOWN_DISABLE,
.pull_up_en = GPIO_PULLUP_DISABLE
};
if(Mode == 0 || Mode == GPIO_MODE_INPUT) {
io_conf.mode = GPIO_MODE_INPUT;
io_conf.pull_up_en = GPIO_PULLUP_ENABLE;
gpio_init(Pin);
if(Mode == 0 || Mode == GPIO_IN) {
gpio_set_dir(Pin, GPIO_IN);
} else {
io_conf.mode = GPIO_MODE_OUTPUT;
gpio_set_dir(Pin, GPIO_OUT);
}
gpio_config(&io_conf);
}
/**
@@ -112,19 +86,17 @@ void DEV_GPIO_Mode(UWORD Pin, UWORD Mode)
**/
void DEV_Delay_ms(UDOUBLE xms)
{
vTaskDelay(pdMS_TO_TICKS(xms));
sleep_ms(xms);
}
void DEV_GPIO_Init(void)
{
// EPD_RST_PIN = 12;
// EPD_DC_PIN = 8;
// EPD_BUSY_PIN = 13;
// EPD_CS_PIN = 9;
// EPD_CLK_PIN = 10;
// EPD_MOSI_PIN = 11;
EPD_RST_PIN = EPD_RST_GPIO;
EPD_DC_PIN = EPD_DC_GPIO;
EPD_BUSY_PIN = EPD_BUSY_GPIO;
EPD_CS_PIN = EPD_CS_GPIO;
EPD_CLK_PIN = EPD_CLK_GPIO;
EPD_MOSI_PIN = EPD_MOSI_GPIO;
DEV_GPIO_Mode(EPD_RST_PIN, 1);
DEV_GPIO_Mode(EPD_DC_PIN, 1);
@@ -143,26 +115,9 @@ UBYTE DEV_Module_Init(void)
// GPIO Config
DEV_GPIO_Init();
spi_bus_config_t buscfg = {
.mosi_io_num = SPI_MOSI,
.miso_io_num = -1,
.sclk_io_num = SPI_CLK,
.quadwp_io_num = -1,
.quadhd_io_num = -1,
.max_transfer_sz = 4096
};
esp_err_t ret = spi_bus_initialize(SPI_PORT, &buscfg, 1);
ESP_ERROR_CHECK(ret);
spi_device_interface_config_t devcfg = {
.clock_speed_hz = 4000 * 1000,
.mode = 0,
.queue_size = 7,
.spics_io_num = -1
};
// Attach the device configuration to the initialized bus
ret = spi_bus_add_device(SPI_PORT, &devcfg, &spi_device);
ESP_ERROR_CHECK(ret);
spi_init(SPI_PORT, 4000 * 1000);
gpio_set_function(EPD_CLK_PIN, GPIO_FUNC_SPI);
gpio_set_function(EPD_MOSI_PIN, GPIO_FUNC_SPI);
printf("DEV_Module_Init OK \r\n");
return 0;
@@ -170,55 +125,55 @@ UBYTE DEV_Module_Init(void)
void DEV_GPIO_Init_1(void)
{
//spi_deinit(SPI_PORT);
//gpio_set_function(EPD_CLK_PIN, GPIO_FUNC_SPI);
//gpio_set_function(EPD_MOSI_PIN, GPIO_FUNC_SPI);
spi_deinit(SPI_PORT);
gpio_set_function(EPD_CLK_PIN, GPIO_FUNC_SPI);
gpio_set_function(EPD_MOSI_PIN, GPIO_FUNC_SPI);
}
void DEV_SPI_Init(void)
{
//spi_init(SPI_PORT, 4000 * 1000);
//gpio_set_function(EPD_CLK_PIN, GPIO_FUNC_SPI);
//gpio_set_function(EPD_MOSI_PIN, GPIO_FUNC_SPI);
spi_init(SPI_PORT, 4000 * 1000);
gpio_set_function(EPD_CLK_PIN, GPIO_FUNC_SPI);
gpio_set_function(EPD_MOSI_PIN, GPIO_FUNC_SPI);
}
void DEV_SPI_SendData(UBYTE Reg)
{
UBYTE i,j=Reg;
DEV_GPIO_Mode(SPI_MOSI, 1);
DEV_GPIO_Mode(SPI_CLK, 1);
DEV_GPIO_Mode(EPD_MOSI_PIN, 1);
DEV_GPIO_Mode(EPD_CLK_PIN, 1);
DEV_Digital_Write(EPD_CS_PIN, 0);
for(i = 0; i<8; i++)
{
DEV_Digital_Write(SPI_CLK, 0);
DEV_Digital_Write(EPD_CLK_PIN, 0);
if (j & 0x80)
{
DEV_Digital_Write(SPI_MOSI, 1);
DEV_Digital_Write(EPD_MOSI_PIN, 1);
}
else
{
DEV_Digital_Write(SPI_MOSI, 0);
DEV_Digital_Write(EPD_MOSI_PIN, 0);
}
DEV_Digital_Write(SPI_CLK, 1);
DEV_Digital_Write(EPD_CLK_PIN, 1);
j = j << 1;
}
DEV_Digital_Write(SPI_CLK, 0);
DEV_Digital_Write(EPD_CLK_PIN, 0);
DEV_Digital_Write(EPD_CS_PIN, 1);
}
UBYTE DEV_SPI_ReadData(void)
{
UBYTE i,j=0xff;
DEV_GPIO_Mode(SPI_MOSI, 0);
DEV_GPIO_Mode(SPI_CLK, 1);
DEV_GPIO_Mode(EPD_MOSI_PIN, 0);
DEV_GPIO_Mode(EPD_CLK_PIN, 1);
DEV_Digital_Write(EPD_CS_PIN, 0);
for(i = 0; i<8; i++)
{
DEV_Digital_Write(SPI_CLK, 0);
DEV_Digital_Write(EPD_CLK_PIN, 0);
j = j << 1;
if (DEV_Digital_Read(SPI_MOSI))
if (DEV_Digital_Read(EPD_MOSI_PIN))
{
j = j | 0x01;
}
@@ -226,9 +181,9 @@ UBYTE DEV_SPI_ReadData(void)
{
j= j & 0xfe;
}
DEV_Digital_Write(SPI_CLK, 1);
DEV_Digital_Write(EPD_CLK_PIN, 1);
}
DEV_Digital_Write(SPI_CLK, 0);
DEV_Digital_Write(EPD_CLK_PIN, 0);
DEV_Digital_Write(EPD_CS_PIN, 1);
return j;
}
lib/DEV/DEV_Config.h
+8 -8
View File
@@ -48,8 +48,8 @@
#ifndef _DEV_CONFIG_H_
#define _DEV_CONFIG_H_
//#include "pico/stdlib.h"
//#include "hardware/spi.h"
#include "pico/stdlib.h"
#include "hardware/spi.h"
#include "stdio.h"
/**
@@ -62,12 +62,12 @@
/**
* GPIOI config
**/
// extern int EPD_RST_PIN;
// extern int EPD_DC_PIN;
// extern int EPD_CS_PIN;
// extern int EPD_BUSY_PIN;
// extern int EPD_CLK_PIN;
// extern int EPD_MOSI_PIN;
extern int EPD_RST_PIN;
extern int EPD_DC_PIN;
extern int EPD_CS_PIN;
extern int EPD_BUSY_PIN;
extern int EPD_CLK_PIN;
extern int EPD_MOSI_PIN;
/*------------------------------------------------------------------------------------------------------*/
void DEV_Digital_Write(UWORD Pin, UBYTE Value);
lib/e-Paper/EPD_4in2_V2.c
+20 -22
View File
@@ -29,10 +29,7 @@
#
******************************************************************************/
#include "EPD_4in2_V2.h"
#include "DEV_Config.h"
#include "Debug.h"
#include "config.h"
#include <string.h>
const unsigned char LUT_ALL[233]={
0x01, 0x0A, 0x1B, 0x0F, 0x03, 0x01, 0x01,
@@ -111,26 +108,17 @@ static void EPD_4IN2_V2_SendData(UBYTE Data)
DEV_Digital_Write(EPD_CS_PIN, 1);
}
static void EPD_4IN2_V2_SendDataBuffer(UBYTE *Data, UWORD Length)
{
DEV_Digital_Write(EPD_DC_PIN, 1);
DEV_Digital_Write(EPD_CS_PIN, 0);
DEV_SPI_Write_nByte(Data, Length);
DEV_Digital_Write(EPD_CS_PIN, 1);
}
/******************************************************************************
function : Wait until the busy_pin goes LOW
parameter:
******************************************************************************/
void EPD_4IN2_V2_ReadBusy(void)
{
printf("Waiting for e-Paper BUSY (GPIO%d=%d)...\r\n",
EPD_BUSY_PIN, DEV_Digital_Read(EPD_BUSY_PIN));
Debug("e-Paper busy\r\n");
while(DEV_Digital_Read(EPD_BUSY_PIN) == 1) { //LOW: idle, HIGH: busy
DEV_Delay_ms(10);
}
printf("e-Paper BUSY released.\r\n");
Debug("e-Paper busy release\r\n");
}
/******************************************************************************
@@ -342,19 +330,21 @@ parameter:
void EPD_4IN2_V2_Clear(void)
{
UWORD Width, Height;
UBYTE white_row[EPD_4IN2_V2_WIDTH / 8];
Width = (EPD_4IN2_V2_WIDTH % 8 == 0)? (EPD_4IN2_V2_WIDTH / 8 ): (EPD_4IN2_V2_WIDTH / 8 + 1);
Height = EPD_4IN2_V2_HEIGHT;
memset(white_row, 0xFF, sizeof(white_row));
EPD_4IN2_V2_SendCommand(0x24);
for (UWORD j = 0; j < Height; j++) {
EPD_4IN2_V2_SendDataBuffer(white_row, Width);
for (UWORD i = 0; i < Width; i++) {
EPD_4IN2_V2_SendData(0xFF);
}
}
EPD_4IN2_V2_SendCommand(0x26);
for (UWORD j = 0; j < Height; j++) {
EPD_4IN2_V2_SendDataBuffer(white_row, Width);
for (UWORD i = 0; i < Width; i++) {
EPD_4IN2_V2_SendData(0xFF);
}
}
EPD_4IN2_V2_TurnOnDisplay();
}
@@ -371,12 +361,16 @@ void EPD_4IN2_V2_Display(UBYTE *Image)
EPD_4IN2_V2_SendCommand(0x24);
for (UWORD j = 0; j < Height; j++) {
EPD_4IN2_V2_SendDataBuffer(&Image[j * Width], Width);
for (UWORD i = 0; i < Width; i++) {
EPD_4IN2_V2_SendData(Image[i + j * Width]);
}
}
EPD_4IN2_V2_SendCommand(0x26);
for (UWORD j = 0; j < Height; j++) {
EPD_4IN2_V2_SendDataBuffer(&Image[j * Width], Width);
for (UWORD i = 0; i < Width; i++) {
EPD_4IN2_V2_SendData(Image[i + j * Width]);
}
}
EPD_4IN2_V2_TurnOnDisplay();
}
@@ -393,12 +387,16 @@ void EPD_4IN2_V2_Display_Fast(UBYTE *Image)
EPD_4IN2_V2_SendCommand(0x24);
for (UWORD j = 0; j < Height; j++) {
EPD_4IN2_V2_SendDataBuffer(&Image[j * Width], Width);
for (UWORD i = 0; i < Width; i++) {
EPD_4IN2_V2_SendData(Image[i + j * Width]);
}
}
EPD_4IN2_V2_SendCommand(0x26);
for (UWORD j = 0; j < Height; j++) {
EPD_4IN2_V2_SendDataBuffer(&Image[j * Width], Width);
for (UWORD i = 0; i < Width; i++) {
EPD_4IN2_V2_SendData(Image[i + j * Width]);
}
}
EPD_4IN2_V2_TurnOnDisplay_Fast();
}
lib/e-Paper/EPD_4in2_V2.h
+1 -5
View File
@@ -31,11 +31,7 @@
#ifndef _EPD_4IN2_V2_H_
#define _EPD_4IN2_V2_H_
#include <stdint.h>
#define UBYTE uint8_t
#define UWORD uint16_t
#define UDOUBLE uint32_t
#include "DEV_Config.h"
// Display resolution
#define EPD_4IN2_V2_WIDTH 400