45 lines
1.8 KiB
C
45 lines
1.8 KiB
C
#ifndef __KBOOT_H__
|
|
#define __KBOOT_H__
|
|
|
|
// Includes:
|
|
|
|
#include <stdint.h>
|
|
#include <stddef.h>
|
|
|
|
// Macros:
|
|
|
|
#define BOOTLOADER_TAG 0x6766636B
|
|
#define BOOTLOADER_TIMEOUT_MS 100
|
|
|
|
// bits for bootloader_config_t.enabledPeripherals
|
|
#define ENABLE_PERIPHERAL_UART (1<<0)
|
|
#define ENABLE_PERIPHERAL_I2C (1<<1)
|
|
#define ENABLE_PERIPHERAL_SPI (1<<2)
|
|
#define ENABLE_PERIPHERAL_CAN (1<<3)
|
|
#define ENABLE_PERIPHERAL_USB_HID (1<<4)
|
|
#define ENABLE_PERIPHERAL_USB_MSC (1<<7)
|
|
|
|
// Typedefs:
|
|
|
|
typedef struct {
|
|
uint32_t tag; // Magic number to verify bootloader configuration is valid. Must be set to 'kcfg'.
|
|
uint32_t reserved[3];
|
|
uint8_t enabledPeripherals; // Bitfield of peripherals to enable.
|
|
// bit 0 - LPUART, bit 1 - I2C, bit 2 - SPI, bit 3 - CAN, bit 4 - USB
|
|
uint8_t i2cSlaveAddress; // If not 0xFF, used as the 7-bit I2C slave address.
|
|
// If 0xFF, defaults to 0x10 for I2C slave address.
|
|
uint16_t peripheralDetectionTimeoutMs; // Timeout in milliseconds for active peripheral detection.
|
|
// If 0xFFFF, defaults to 5 seconds.
|
|
uint16_t reserved2[2];
|
|
uint32_t reserved3;
|
|
uint8_t clockFlags; // The flags in the clockFlags configuration field are enabled if the corresponding bit is cleared (0).
|
|
// bit 0 - HighSpeed Enable high speed mode (i.e., 48 MHz).
|
|
uint8_t clockDivider; // Inverted value of the divider to use for core and bus clocks when in high speed mode.
|
|
} bootloader_config_t;
|
|
|
|
// Functions:
|
|
|
|
extern void JumpToKboot(void);
|
|
|
|
#endif
|