77 lines
2.8 KiB
C
77 lines
2.8 KiB
C
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#include <stdio.h>
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#include <sdkconfig.h>
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#include <freertos/FreeRTOS.h>
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#include <freertos/task.h>
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#include <freertos/queue.h>
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#include "ili9341.h"
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#include "pax_gfx.h"
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#include "rp2040.h"
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#include "hardware.h"
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void test_adc(xQueueHandle buttonQueue, pax_buf_t* pax_buffer, ILI9341* ili9341) {
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bool quit = false;
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RP2040* rp2040 = get_rp2040();
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const pax_font_t* font = pax_get_font("saira regular");
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while (!quit) {
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bool error = false;
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float vbat = 0;
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if (rp2040_read_vbat(rp2040, &vbat) != ESP_OK) {
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error = true;
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}
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float vusb = 0;
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if (rp2040_read_vusb(rp2040, &vusb) != ESP_OK) {
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error = true;
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}
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/*uint16_t raw_temperature = 0;
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if (rp2040_read_temp(rp2040, &raw_temperature) != ESP_OK) {
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error = true;
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}
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uint8_t charging = 0;
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if (rp2040_get_charging(rp2040, &charging) != ESP_OK) {
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error = true;
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}*/
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//const float conversion_factor = 3.3f / (1 << 12); // 12-bit ADC with 3.3v vref
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//float vtemperature = raw_temperature * conversion_factor; // Inside of RP2040 chip
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//float temperature = 27 - (vtemperature - 0.706) / 0.001721; // From https://raspberrypi.github.io/pico-sdk-doxygen/group__hardware__adc.html
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pax_noclip(pax_buffer);
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pax_background(pax_buffer, 0x325aa8);
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pax_draw_text(pax_buffer, 0xFFFFFFFF, font, 18, 0, 20*0, "Analog inputs");
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char buffer[64];
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snprintf(buffer, sizeof(buffer), "Battery voltage %f v", vbat);
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pax_draw_text(pax_buffer, 0xFFFFFFFF, font, 18, 0, 20*1, buffer);
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snprintf(buffer, sizeof(buffer), "USB voltage %f v", vusb);
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pax_draw_text(pax_buffer, 0xFFFFFFFF, font, 18, 0, 20*2, buffer);
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/*snprintf(buffer, sizeof(buffer), "Temperature %f *c", temperature);
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pax_draw_text(pax_buffer, 0xFFFFFFFF, font, 18, 0, 20*3, buffer);
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snprintf(buffer, sizeof(buffer), "Charging %02X", charging);
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pax_draw_text(pax_buffer, 0xFFFFFFFF, font, 18, 0, 20*4, buffer);*/
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pax_draw_text(pax_buffer, 0xFFFFFFFF, font, 18, 0, 20*5, (error ? "ERROR" : ""));
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ili9341_write(ili9341, pax_buffer->buf);
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rp2040_input_message_t buttonMessage = {0};
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if (xQueueReceive(buttonQueue, &buttonMessage, 250 / portTICK_PERIOD_MS) == pdTRUE) {
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uint8_t pin = buttonMessage.input;
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bool value = buttonMessage.state;
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if (value) {
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switch(pin) {
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case RP2040_INPUT_BUTTON_HOME:
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case RP2040_INPUT_BUTTON_BACK:
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quit = true;
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default:
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break;
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}
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}
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}
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}
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}
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