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https://github.com/Polprzewodnikowy/SummerCart64.git
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56 lines
1.9 KiB
C
56 lines
1.9 KiB
C
#ifndef SYS_H__
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#define SYS_H__
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#include <stddef.h>
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#include <stdint.h>
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#define __NAKED__ __attribute__((naked))
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typedef volatile uint8_t * io8_t;
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typedef volatile uint32_t * io32_t;
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#define RAM (*((io32_t) 0x00000000))
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#define BOOTLOADER (*((io32_t) 0x10000000))
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#define GPIO (*((io32_t) 0x20000000))
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#define GPIO_O (*((io8_t) 0x20000000))
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#define GPIO_I (*((io8_t) 0x20000001))
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#define GPIO_OE (*((io8_t) 0x20000002))
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#define I2C_SR (*((io8_t) 0x30000000))
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#define I2C_DR (*((io8_t) 0x30000004))
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#define USB_SCR (*((io8_t) 0x40000000))
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#define USB_DR (*((io8_t) 0x40000004))
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#define UART_SCR (*((io8_t) 0x50000000))
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#define UART_DR (*((io8_t) 0x50000004))
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#define DMA_SCR (*((io8_t) 0x60000000))
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#define DMA_MADDR (*((io32_t) 0x60000004))
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#define DMA_ID_LEN (*((io32_t) 0x60000008))
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#define SDRAM (*((io32_t) 0x68000000))
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#define I2C_SR_START (1 << 0)
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#define I2C_SR_STOP (1 << 1)
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#define I2C_SR_MACK (1 << 2)
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#define I2C_SR_ACK (1 << 3)
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#define I2C_SR_BUSY (1 << 4)
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#define I2C_ADDR_READ (1 << 0)
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#define USB_SCR_RXNE (1 << 0)
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#define USB_SCR_TXE (1 << 1)
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#define USB_SCR_FLUSH_RX (1 << 2)
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#define USB_SCR_FLUSH_TX (1 << 3)
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#define UART_SCR_RXNE (1 << 0)
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#define UART_SCR_TXE (1 << 1)
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#define DMA_SCR_START (1 << 0)
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#define DMA_SCR_STOP (1 << 1)
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#define DMA_SCR_DIR (1 << 2)
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#define DMA_SCR_BUSY (1 << 3)
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#define DMA_ID_USB (0)
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#define DMA_ID_SD (1)
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#endif
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