Valentin Haudiquet
064e8812a4
ESP32-S3 firmware acting as BMC for another board, controlling an ATX power supply and providing access to UART. Co-authored with GLM-5
123 lines
4.6 KiB
C
123 lines
4.6 KiB
C
#ifndef BMC_CONFIG_H
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#define BMC_CONFIG_H
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#include "driver/gpio.h"
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#include "driver/uart.h"
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// ============================================================================
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// Ethernet Configuration (W5500 SPI)
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// ============================================================================
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#define ETH_SPI_HOST SPI2_HOST
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#define ETH_SPI_MISO_GPIO GPIO_NUM_12
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#define ETH_SPI_MOSI_GPIO GPIO_NUM_11
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#define ETH_SPI_SCLK_GPIO GPIO_NUM_13
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#define ETH_SPI_CS_GPIO GPIO_NUM_14
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#define ETH_SPI_INT_GPIO GPIO_NUM_10
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#define ETH_SPI_RST_GPIO GPIO_NUM_9
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// MAC address (can be customized)
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#define ETH_MAC_ADDR {0x02, 0x00, 0x00, 0x12, 0x34, 0x56}
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// Network configuration (used if DHCP fails or is disabled)
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#define BMC_USE_DHCP 1
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#define BMC_STATIC_IP "192.168.1.100"
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#define BMC_NETMASK "255.255.255.0"
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#define BMC_GATEWAY "192.168.1.1"
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// ============================================================================
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// UART Serial Configuration
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// ============================================================================
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#define BMC_UART_NUM UART_NUM_1
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#define BMC_UART_TX_GPIO GPIO_NUM_43
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#define BMC_UART_RX_GPIO GPIO_NUM_44
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#define BMC_UART_BAUD_RATE 115200
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#define BMC_UART_BUF_SIZE 2048
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#define BMC_UART_TASK_STACK 4096
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#define BMC_UART_TASK_PRIO 5
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// ============================================================================
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// HTTP Server Configuration
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// ============================================================================
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#define BMC_HTTP_PORT 80
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#define BMC_HTTP_MAX_CONN 4
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#define BMC_HTTP_STACK_SIZE 8192
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// ============================================================================
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// GPIO Configuration
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// ============================================================================
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// Number of user-configurable GPIOs
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#define BMC_GPIO_COUNT 16
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// GPIO pin definitions with names and default modes
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typedef struct {
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gpio_num_t pin;
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const char *name;
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gpio_mode_t mode;
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int default_value;
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bool inverted; // Active-low logic
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bool is_input_only; // Some pins are input-only
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} bmc_gpio_def_t;
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// Predefined GPIO assignments
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#define BMC_GPIO_POWER_ON GPIO_NUM_4
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#define BMC_GPIO_POWER_OFF GPIO_NUM_5
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#define BMC_GPIO_RESET GPIO_NUM_6
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#define BMC_GPIO_STATUS_LED GPIO_NUM_7
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#define BMC_GPIO_PWR_GOOD GPIO_NUM_15
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#define BMC_GPIO_TEMP_ALERT GPIO_NUM_16
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#define BMC_GPIO_FAN_CTRL GPIO_NUM_17
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#define BMC_GPIO_USER_1 GPIO_NUM_18
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#define BMC_GPIO_USER_2 GPIO_NUM_21
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#define BMC_GPIO_USER_3 GPIO_NUM_35
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#define BMC_GPIO_USER_4 GPIO_NUM_36
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#define BMC_GPIO_USER_5 GPIO_NUM_37
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#define BMC_GPIO_USER_6 GPIO_NUM_38
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#define BMC_GPIO_USER_7 GPIO_NUM_47
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#define BMC_GPIO_USER_8 GPIO_NUM_48
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// Default GPIO configuration table
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static const bmc_gpio_def_t bmc_gpio_defaults[BMC_GPIO_COUNT] = {
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// Power control outputs
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{ BMC_GPIO_POWER_ON, "POWER_ON", GPIO_MODE_OUTPUT, 0, false, false},
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{ BMC_GPIO_POWER_OFF, "POWER_OFF", GPIO_MODE_OUTPUT, 0, false, false},
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{ BMC_GPIO_RESET, "RESET", GPIO_MODE_OUTPUT, 0, true, false}, // Active-low reset
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{BMC_GPIO_STATUS_LED, "STATUS_LED", GPIO_MODE_OUTPUT, 0, false, false},
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// Status inputs
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{ BMC_GPIO_PWR_GOOD, "PWR_GOOD", GPIO_MODE_INPUT, 0, false, false},
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{BMC_GPIO_TEMP_ALERT, "TEMP_ALERT", GPIO_MODE_INPUT, 0, true, false}, // Active-low alert
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// PWM output
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{ BMC_GPIO_FAN_CTRL, "FAN_CTRL", GPIO_MODE_OUTPUT, 0, false, false},
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// User-configurable GPIOs
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{ BMC_GPIO_USER_1, "USER_1", GPIO_MODE_INPUT, 0, false, false},
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{ BMC_GPIO_USER_2, "USER_2", GPIO_MODE_INPUT, 0, false, false},
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{ BMC_GPIO_USER_3, "USER_3", GPIO_MODE_INPUT, 0, false, false},
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{ BMC_GPIO_USER_4, "USER_4", GPIO_MODE_INPUT, 0, false, false},
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{ BMC_GPIO_USER_5, "USER_5", GPIO_MODE_INPUT, 0, false, true}, // Input-only on ESP32-S3
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{ BMC_GPIO_USER_6, "USER_6", GPIO_MODE_INPUT, 0, false, true}, // Input-only on ESP32-S3
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{ BMC_GPIO_USER_7, "USER_7", GPIO_MODE_INPUT, 0, false, true}, // Input-only on ESP32-S3
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{ BMC_GPIO_USER_8, "USER_8", GPIO_MODE_INPUT, 0, false, true}, // Input-only on ESP32-S3
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};
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// ============================================================================
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// Power Control Timing
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// ============================================================================
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#define BMC_POWER_ON_PULSE_MS 100
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#define BMC_POWER_OFF_PULSE_MS 5000
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#define BMC_RESET_PULSE_MS 100
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#define BMC_POWER_GOOD_DELAY_MS 2000
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// ============================================================================
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// Logging Tags
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// ============================================================================
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#define TAG_BMC "BMC"
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#define TAG_GPIO "GPIO"
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#define TAG_UART "UART"
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#define TAG_ETH "ETH"
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#define TAG_HTTP "HTTP"
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#endif // BMC_CONFIG_H
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