mirror of
https://github.com/d0k3/GodMode9.git
synced 2025-06-25 21:22:47 +00:00
9ecb90a2ba
- completely moved MCU interrupt handling outside of the critical section - refactored a bit of the PXI code and command names - merge the I2C read and write cmds to be one - remove SET_VMODE cmd, now it's always initialized to BGR565 on boot and to RGB565 on firmlaunch - atomic-ize more stuff
34 lines
610 B
C
Executable File
34 lines
610 B
C
Executable File
#include "common.h"
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#include "arm.h"
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#include "pxi.h"
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#include "shmem.h"
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bool spiflash_get_status(void)
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{
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return PXI_DoCMD(PXICMD_NVRAM_ONLINE, NULL, 0);
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}
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bool spiflash_read(u32 offset, u32 size, u8 *buf)
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{
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u32 args[2];
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while(size > 0) {
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u32 blksz = min(size, SPI_SHARED_BUFSZ);
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args[0] = offset;
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args[1] = blksz;
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ARM_WbDC_Range(ARM_GetSHMEM()->spiBuffer, blksz);
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PXI_DoCMD(PXICMD_NVRAM_READ, args, 2);
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ARM_InvDC_Range(ARM_GetSHMEM()->spiBuffer, blksz);
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ARM_DSB();
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memcpy(buf, ARM_GetSHMEM()->spiBuffer, blksz);
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buf += blksz;
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size -= blksz;
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offset += blksz;
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}
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return true;
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}
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