mirror of
https://github.com/Polprzewodnikowy/SummerCart64.git
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97 lines
2.6 KiB
C
97 lines
2.6 KiB
C
#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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I2C_OK,
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I2C_ERROR_BUSY,
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I2C_ERROR_TIMEOUT,
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I2C_ERROR_NACK,
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} i2c_error_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_set_vector_table (uint32_t offset);
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void hw_enter_critical (void);
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void hw_exit_critical (void);
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void hw_delay_us (uint32_t delay_us);
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void hw_delay_ms (uint32_t delay_ms);
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void hw_systick_config (uint32_t period_ms, 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_read (uint8_t *data, int length);
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void hw_uart_write (uint8_t *data, int length);
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void hw_uart_write_wait_busy (void);
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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_rx (uint8_t *data, int length);
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void hw_spi_tx (uint8_t *data, int length);
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i2c_error_t hw_i2c_trx (uint8_t i2c_address, uint8_t *tx_data, uint8_t tx_length, uint8_t *rx_data, uint8_t rx_length);
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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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hw_flash_t hw_flash_read (uint32_t offset);
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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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void hw_reset (loader_parameters_t *parameters);
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void hw_loader_get_parameters (loader_parameters_t *parameters);
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void hw_adc_read_voltage_temperature (uint16_t *voltage, int16_t *temperature);
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void hw_primer_init (void);
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void hw_loader_init (void);
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void hw_app_init (void);
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#endif
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