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update readme.md

This commit is contained in:
bigmagic 2020-12-02 10:29:38 +08:00
parent 7a1f0e0f67
commit 20de8e215a
4 changed files with 16 additions and 2 deletions
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6
bsp/raspberry-pi/raspi4-32/README.md
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@ -129,6 +129,12 @@ msh />
| HDMI | 支持 | - | | HDMI | 支持 | - |
| SDIO | 支持 | - | | SDIO | 支持 | - |
| ETH | 支持 | - | | ETH | 支持 | - |
| BSC | 支持 | - |
| DMA | 支持 | - |
| DSI LCD/TOUCH | 支持 | DSI接口的LCD和TOUCH |
| ILI9486 SPI LCD | 支持 | - |
| XPT2046 TOUCH | 支持 | - |
| BULETOOTH | 正在完善 | 支持reset，loadfirmware |
## 5. 注意事项 ## 5. 注意事项

2
bsp/raspberry-pi/raspi4-32/driver/drv_dma.c
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@ -99,7 +99,7 @@ rt_err_t dma_memcpy(void *src, void *dst, unsigned int size, unsigned int dch, u
return RT_EOK; return RT_EOK;
} }
void dma_init(rt_uint8_t dch) void dma_init(unsigned char dch)
{ {
rt_sem_init(&dma_sem, "dma_sem", 0, RT_IPC_FLAG_FIFO); rt_sem_init(&dma_sem, "dma_sem", 0, RT_IPC_FLAG_FIFO);

2
bsp/raspberry-pi/raspi4-32/driver/drv_dma.h
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@ -166,7 +166,7 @@
//TXFR_LEN //TXFR_LEN
//DMA Transfer Length //DMA Transfer Length
void dma_init(dch); void dma_init(unsigned char dch);
rt_err_t dma_memcpy(void *src, void *dst, unsigned int size, unsigned int dch, unsigned int timeout); rt_err_t dma_memcpy(void *src, void *dst, unsigned int size, unsigned int dch, unsigned int timeout);
#endif #endif

8
bsp/raspberry-pi/raspi4-32/link.lds
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@ -63,6 +63,14 @@ SECTIONS
_etext = .; _etext = .;
} }
__exidx_start = .;
.ARM.exidx : { *(.ARM.exidx* .gnu.linkonce.armexidx.*) }
__exidx_end = .;
__rodata_start = .;
.rodata : { *(.rodata) *(.rodata.*) }
__rodata_end = .;
.eh_frame_hdr : .eh_frame_hdr :
{ {
*(.eh_frame_hdr) *(.eh_frame_hdr)