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Пины и ШИМ для S3 (не проверено)

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Razvalyaev
2026-08-08 19:50:34 +03:00
parent be1a90afac
commit 34581913ff
2 changed files with 144 additions and 6 deletions
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37
OpticalChannelTester/Config.h
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@@ -3,23 +3,43 @@
#include <Arduino.h>
// ------------------------- Hardware configuration -------------------------
// Uncomment for the hand-wired prototype. The production PCB assignments
// below follow the physical header positions shown in the schematic.
// #define MAKETKA
#if CONFIG_IDF_TARGET_ESP32C3
constexpr bool TARGET_IS_C3 = true;
constexpr uint8_t GPIO_PWM = 3;
constexpr uint8_t GPIO_RX = 4;
#ifdef MAKETKA
constexpr uint8_t GPIO_BUTTON_MODE = 0;
constexpr uint8_t GPIO_BUTTON_START = 1;
#else
constexpr uint8_t GPIO_BUTTON_MODE = 1;
constexpr uint8_t GPIO_BUTTON_START = 0;
#endif
constexpr uint8_t GPIO_SDA = 6;
constexpr uint8_t GPIO_SCL = 7;
#elif CONFIG_IDF_TARGET_ESP32S3
constexpr bool TARGET_IS_C3 = false;
#ifdef MAKETKA
constexpr uint8_t GPIO_PWM = 4;
constexpr uint8_t GPIO_RX = 5;
constexpr uint8_t GPIO_BUTTON_MODE = 6;
constexpr uint8_t GPIO_BUTTON_START = 7;
constexpr uint8_t GPIO_BUTTON_MODE = 0;
constexpr uint8_t GPIO_BUTTON_START = 1;
constexpr uint8_t GPIO_SDA = 8;
constexpr uint8_t GPIO_SCL = 9;
#else
// The S3 SuperMini is fitted so its 5V and GND pins occupy the same PCB
// contacts as on the C3 SuperMini. Signals therefore follow header position.
constexpr uint8_t GPIO_PWM = 12;
constexpr uint8_t GPIO_RX = 13;
constexpr uint8_t GPIO_BUTTON_MODE = 10;
constexpr uint8_t GPIO_BUTTON_START = 9;
constexpr uint8_t GPIO_SDA = 44;
constexpr uint8_t GPIO_SCL = 1;
#endif
#else
#error "Only ESP32-C3 and ESP32-S3 are supported"
#endif
@@ -75,18 +95,23 @@ constexpr uint32_t S3_STRICT_MAX_HZ = 1000000;
// still fits both levels of the current PWM signal: 20, 40 or 80 MHz.
constexpr uint32_t CAPTURE_RESOLUTION_OPTIONS_HZ[] = {20000000, 40000000, 80000000};
constexpr uint32_t RMT_MAX_LEVEL_TICKS = 32766;
// Arduino-ESP32 uses the 40 MHz crystal as the default LEDC clock on C3/S3.
// C3 uses the 40 MHz crystal as the LEDC clock.
// Keep this explicit so the resolution calculation never asks LEDC for an
// impossible frequency/resolution combination.
constexpr uint32_t LEDC_SOURCE_CLOCK_HZ = 40000000;
constexpr uint8_t LEDC_CHANNEL = 0;
constexpr uint8_t LEDC_MAX_BITS = 14;
// S3 uses the dedicated MCPWM peripheral. A 40 MHz timer clock keeps the
// longest 1 kHz period within the S3's 16-bit MCPWM counter and makes every
// frequency in TEST_FREQUENCIES_HZ exact.
constexpr uint32_t MCPWM_RESOLUTION_HZ = 40000000;
constexpr uint32_t MCPWM_MAX_PERIOD_TICKS = 65535;
// -------------------------- Menu value arrays -----------------------------
// START and END deliberately have separate, independently cycling menu lists.
// Every value is exactly achievable from the 40 MHz XTAL with an integer LEDC
// divider. The test itself walks TEST_FREQUENCIES_HZ between the selected
// endpoints, so there is no separately configurable step.
// Every value is exactly achievable from a 40 MHz timer clock. The test walks
// TEST_FREQUENCIES_HZ between the selected endpoints, so there is no
// separately configurable step.
constexpr uint32_t START_FREQ_OPTIONS_HZ[] = {1000, 10000, 100000};
constexpr uint32_t END_FREQ_OPTIONS_HZ[] = {100000, 500000, 1000000};