LailaTheElf/tempMeter
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try to add dhcp

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This commit is contained in:
Laila van Reenen
2025-11-26 18:30:41 +01:00
parent 6a8cab04bf
commit 34049c9e97
5 changed files with 113 additions and 19 deletions
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6
src/config.h
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@@ -6,15 +6,17 @@
#define PIN_RGB_G 16
#define PIN_RGB_B 25
#define SPI_DRIVER spi0
#define SPI_BOUD 1E6
#define PIN_SPI_CLK 2
#define PIN_SPI_MISO 4
#define PIN_SPI_MOSI 3
#define PIN_MAX31856_CS 1
#define PIN_DISPLAY_CS 0
#define PIN_DISPLAY_DC 7
#define PIN_DISPLAY_RST 6
#define PIN_RST 6
#define PIN_W5500_CS 29
#define W5500_SPI_DRIVER spi0
#define W5500_SPI_DRIVER SPI_DRIVER
#endif

69
src/main.cpp
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@@ -9,10 +9,11 @@
#include "config.h"
#include "max31856.h"
#include "w5500_rp.h"
#include "wizchip_conf.h"
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);
Adafruit_SSD1306 display(128, 64, &spidev, PIN_DISPLAY_DC, PIN_RST, PIN_DISPLAY_CS);
void init_rbg()
{
@@ -42,16 +43,32 @@ void rgb_rainbow()
int main() {
stdio_init_all();
gpio_init(PIN_RST);
gpio_set_dir(PIN_RST, GPIO_OUT);
gpio_put(PIN_RST, 1);
init_rbg();
rgb_rainbow();
gpio_put(PIN_RST, 0);
gpio_set_function(PIN_SPI_CLK, GPIO_FUNC_SPI);
gpio_set_function(PIN_SPI_MOSI, GPIO_FUNC_SPI);
gpio_set_function(PIN_SPI_MISO, GPIO_FUNC_SPI);
spi_init(SPI_DRIVER, SPI_BOUD);
spi_set_format(SPI_DRIVER, 8, SPI_CPOL_0, SPI_CPHA_0, SPI_MSB_FIRST);
display.begin();
display.fillScreen(SSD1306_BLACK);
display.setTextColor(SSD1306_WHITE);
display.setTextSize(2); //12x16
display.setCursor(64-18, 32-8);
display.print("hoi");
display.display();
// init temp sensors
spi_set_format(SPI_MAX31856, SPI_MAX31856_BLOCK_SIZE, SPI_MAX31856_SPO, SPI_MAX31856_SPH, SPI_MAX31856_BIT_ORDER);
temp[0].pin_cs = PIN_MAX31856_CS;
max31856_init(&(temp[0]));
//temp[1].pin_cs = 5;
//max31856_init(&(temp[1]));
gpio_set_function(PIN_SPI_CLK, GPIO_FUNC_SPI);
gpio_set_function(PIN_SPI_MOSI, GPIO_FUNC_SPI);
gpio_set_function(PIN_SPI_MISO, GPIO_FUNC_SPI);
// 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_4 | MAX31856_REG_CR1_TC_TYPE_K);
@@ -61,12 +78,24 @@ int main() {
// init ethernet
w5500_rp_init();
display.begin();
display.fillScreen(SSD1306_BLACK);
display.setTextColor(SSD1306_WHITE);
display.setTextSize(2);
display.display();
wiz_NetInfo netinfo = {
.mac={'E', 'L', 'F', 177, 31, 252},
.ip={192, 254, 18, 91},
.sn={255, 255, 0, 0}, // subnet mask
.gw={0, 0, 0, 0},
.dns={0, 0, 0, 0},
.dhcp=NETINFO_DHCP
};
wizchip_setnetinfo(&netinfo);
rgb_rainbow();
if (!w5500_rp_dhcp()) {
display.fillScreen(SSD1306_BLACK);
display.setCursor(64-24, 32-8);
display.print("fail");
display.display();
sleep_ms(1000);
return 1;
}
rgb_rainbow();
@@ -74,6 +103,7 @@ int main() {
{
char cj_str[8];
char tc_str[8];
char ip[16];
spi_set_format(SPI_MAX31856, SPI_MAX31856_BLOCK_SIZE, SPI_MAX31856_SPO, SPI_MAX31856_SPH, SPI_MAX31856_BIT_ORDER);
sleep_ms(5);
@@ -82,13 +112,28 @@ int main() {
max31856_temp_t tc = max31856_get_tc_temp_c(&temp[0]);
snprintf(&tc_str[0], 8, "%i.%02uC", tc.i, tc.f);
printf("CJ temp: %s\n", &cj_str[0]);
printf("TC temp: %s\n", &tc_str[0]);
netinfo = {
.mac={255, 255, 255, 255, 255, 255},
.ip={255, 255, 255, 255},
.sn={255, 255, 255, 255}, // subnet mask
.gw={255, 255, 255, 255},
.dns={255, 255, 255, 255},
.dhcp=NETINFO_STATIC
};
wizchip_getnetinfo(&netinfo);
w5500_rp_print_netinfo(netinfo);
snprintf(&ip[0], 16, "%u.%u.%u.%u", netinfo.ip[0], netinfo.ip[1], netinfo.ip[2], netinfo.ip[3]);
// printf("CJ temp: %s\n", &cj_str[0]);
// printf("TC temp: %s\n", &tc_str[0]);
spi_set_format(spi0, 8, SPI_CPOL_0, SPI_CPHA_0, SPI_MSB_FIRST);
sleep_ms(5);
display.fillScreen(SSD1306_BLACK);
display.setCursor(0, 0);
display.setTextSize(1);
display.println(&ip[0]);
display.setTextSize(2);
display.print("CJ ");
display.println(&cj_str[0]);
display.print("TC ");

4
src/max31856.cpp
View File

@@ -13,8 +13,8 @@ void max31856_init(max31856_t *max)
gpio_put(max->pin_cs, 1);
// init SPI
spi_init(SPI_MAX31856, SPI_MAX31856_BOUD);
spi_set_format(SPI_MAX31856, SPI_MAX31856_BLOCK_SIZE, SPI_MAX31856_SPO, SPI_MAX31856_SPH, SPI_MAX31856_BIT_ORDER);
// spi_init(SPI_MAX31856, SPI_MAX31856_BOUD);
// spi_set_format(SPI_MAX31856, SPI_MAX31856_BLOCK_SIZE, SPI_MAX31856_SPO, SPI_MAX31856_SPH, SPI_MAX31856_BIT_ORDER);
max->initilzed = true;
}

49
src/w5500_rp.cpp
View File

@@ -1,9 +1,12 @@
#include <hardware/timer.h>
#include <pico/time.h>
#include <stdio.h>
#include <cstddef>
#include <cstdint>
#include <wizchip_conf.h>
#include "hardware/spi.h"
#include <pico/stdlib.h>
#include <wizchip_conf.h>
#include <dhcp.h>
#include "config.h"
#include "w5500_rp.h"
@@ -26,15 +29,57 @@ void w5500_rp_spi_read_burst(uint8_t *buffer, uint16_t size) {
}
void w5500_rp_spi_cs_select() {
spi_set_format(W5500_SPI_DRIVER, 8, SPI_CPOL_0, SPI_CPHA_0, SPI_MSB_FIRST);
gpio_put(PIN_W5500_CS, 0);
printf("pling\n");
}
void w5500_rp_spi_cs_deselect() {
gpio_put(PIN_W5500_CS, 1);
}
void w5500_rp_init() {
gpio_init(PIN_W5500_CS);
gpio_set_dir(PIN_W5500_CS, GPIO_OUT);
reg_wizchip_spi_cbfunc(&w5500_rp_spi_read_byte, &w5500_rp_spi_write_byte);
reg_wizchip_spiburst_cbfunc(&w5500_rp_spi_read_burst, &w5500_rp_spi_write_burst);
reg_wizchip_cs_cbfunc(w5500_rp_spi_cs_select, w5500_rp_spi_cs_deselect);
reg_wizchip_cris_cbfunc(NULL, NULL);
}
void w5500_rp_print_netinfo(wiz_NetInfo netinfo) {
printf("IP: %3u.%3u.%3u.%3u\n", netinfo.ip[0], netinfo.ip[1], netinfo.ip[2], netinfo.ip[3]);
printf("mask: %3u.%3u.%3u.%3u\n", netinfo.sn[0], netinfo.sn[1], netinfo.sn[2], netinfo.sn[3]);
printf("gate: %3u.%3u.%3u.%3u\n", netinfo.gw[0], netinfo.gw[1], netinfo.gw[2], netinfo.gw[3]);
printf("dns: %3u.%3u.%3u.%3u\n", netinfo.dns[0], netinfo.dns[1], netinfo.dns[2], netinfo.dns[3]);
printf("mac: %02x:%02x:%02x:%02x:%02x:%02x\n", netinfo.mac[0], netinfo.mac[1], netinfo.mac[2], netinfo.mac[3], netinfo.mac[4], netinfo.mac[5]);
}
bool dhcp_assigned = false;
uint8_t dhcp_buffer[1024];
void w5500_rp_dhcp_assigned() {
dhcp_assigned = true;
}
bool w5500_rp_dhcp() {
DHCP_init(1, &dhcp_buffer[0]);
reg_dhcp_cbfunc(NULL, NULL, NULL);
uint64_t second_time = time_us_64() + 1E6;
uint8_t seconds = 0;
while (DHCP_run() != DHCP_IP_LEASED) {
if (second_time > time_us_64()) {
second_time += 1E6;
DHCP_time_handler();
seconds++;
if (seconds > 60) {
DHCP_stop();
return false;
}
}
sleep_ms(100);
}
DHCP_stop();
return true;
}

4
src/w5500_rp.h
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@@ -1,8 +1,10 @@
#ifndef W5500_RP_H
#define W5500_RP_H
#include "hardware/spi.h"
#include <wizchip_conf.h>
void w5500_rp_init();
void w5500_rp_print_netinfo(wiz_NetInfo netinfo);
bool w5500_rp_dhcp();
#endif