mirror of
https://github.com/Polprzewodnikowy/SummerCart64.git
synced 2024-11-29 08:44:15 +01:00
93 lines
2.9 KiB
C
93 lines
2.9 KiB
C
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#ifndef HW_H__
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#define HW_H__
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#include <stdint.h>
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#define GPIO_PORT_PIN(p, n) ((((p) & 0x07) << 4) | ((n) & 0x0F))
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typedef enum {
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GPIO_ID_N64_RESET = GPIO_PORT_PIN(0, 0),
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GPIO_ID_N64_CIC_CLK = GPIO_PORT_PIN(0, 1),
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GPIO_ID_N64_CIC_DQ = GPIO_PORT_PIN(0, 2),
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GPIO_ID_LED = GPIO_PORT_PIN(0, 3),
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GPIO_ID_SPI_CS = GPIO_PORT_PIN(0, 4),
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GPIO_ID_SPI_CLK = GPIO_PORT_PIN(0, 5),
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GPIO_ID_SPI_MISO = GPIO_PORT_PIN(0, 6),
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GPIO_ID_SPI_MOSI = GPIO_PORT_PIN(0, 7),
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GPIO_ID_UART_TX = GPIO_PORT_PIN(0, 9),
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GPIO_ID_UART_RX = GPIO_PORT_PIN(0, 10),
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GPIO_ID_FPGA_INT = GPIO_PORT_PIN(1, 2),
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GPIO_ID_I2C_SCL = GPIO_PORT_PIN(1, 6),
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GPIO_ID_I2C_SDA = GPIO_PORT_PIN(1, 7),
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GPIO_ID_RTC_MFP = GPIO_PORT_PIN(1, 9),
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} gpio_id_t;
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typedef enum {
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GPIO_IRQ_FALLING = 0b01,
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GPIO_IRQ_RISING = 0b10,
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} gpio_irq_t;
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typedef enum {
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TIM_ID_CIC = 0,
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TIM_ID_RTC = 1,
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TIM_ID_SD = 2,
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TIM_ID_DD = 3,
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TIM_ID_LED = 4,
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} tim_id_t;
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typedef enum {
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SPI_TX,
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SPI_RX,
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} spi_direction_t;
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typedef uint64_t hw_flash_t;
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typedef enum {
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LOADER_FLAGS_UPDATE_MCU = (1 << 0),
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LOADER_FLAGS_UPDATE_FPGA = (1 << 1),
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LOADER_FLAGS_UPDATE_BOOTLOADER = (1 << 2),
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} loader_parameters_flags_t;
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typedef struct {
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uint32_t magic;
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loader_parameters_flags_t flags;
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uint32_t mcu_address;
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uint32_t fpga_address;
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uint32_t bootloader_address;
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} loader_parameters_t;
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void hw_gpio_irq_setup (gpio_id_t id, gpio_irq_t irq, void (*callback)(void));
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uint32_t hw_gpio_get (gpio_id_t id);
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void hw_gpio_set (gpio_id_t id);
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void hw_gpio_reset (gpio_id_t id);
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void hw_uart_write (uint8_t *data, int length);
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void hw_spi_start (void);
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void hw_spi_stop (void);
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void hw_spi_trx (uint8_t *data, int length, spi_direction_t direction);
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void hw_i2c_read (uint8_t i2c_address, uint8_t address, uint8_t *data, uint8_t length, void (*callback)(void));
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void hw_i2c_write (uint8_t i2c_address, uint8_t address, uint8_t *data, uint8_t length, void (*callback)(void));
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uint32_t hw_i2c_get_error (void);
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void hw_i2c_disable_irq (void);
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void hw_i2c_enable_irq (void);
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void hw_tim_setup (tim_id_t id, uint16_t delay, void (*callback)(void));
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void hw_tim_stop (tim_id_t id);
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void hw_tim_disable_irq (tim_id_t id);
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void hw_tim_enable_irq (tim_id_t id);
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void hw_delay_ms (uint32_t ms);
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void hw_crc32_reset (void);
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uint32_t hw_crc32_calculate (uint8_t *data, uint32_t length);
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uint32_t hw_flash_size (void);
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void hw_flash_erase (void);
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void hw_flash_program (uint32_t offset, hw_flash_t value);
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hw_flash_t hw_flash_read (uint32_t offset);
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void hw_loader_reset (loader_parameters_t *parameters);
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void hw_loader_get_parameters (loader_parameters_t *parameters);
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void hw_init (void);
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void hw_loader_init (void);
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#endif
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