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Commit 5c655fc9 authored by iliya's avatar iliya
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feat: uint16_transfer done

parent 7f58054c
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......@@ -13,13 +13,13 @@
#define P2M 0x02
#define P2P 0x03
#define BURST4 0x04
#define WORD32_TRANSFER 0x2
#define BURST1 0x0
#define HALFWORD16_TRANSFER 0x1
#define INCREMENT 1
#define TERMINAL_INTERRUPT 0x80000000
#define DMA_CFG ((BURST4 << 12) | (BURST4 << 15) \
| (WORD32_TRANSFER << 18) | (WORD32_TRANSFER << 21) | (INCREMENT << 26) | (INCREMENT << 27) | \
#define DMA_CFG ((BURST1 << 12) | (BURST1 << 15) \
| (HALFWORD16_TRANSFER << 18) | (HALFWORD16_TRANSFER << 21) | \
TERMINAL_INTERRUPT)
void DMA_Init(uint32_t *src, uint32_t *dest, uint32_t len, uint32_t LLI);
......
......@@ -51,7 +51,6 @@ void init_dma_ssp0()
void ssp_DMA_uint16_transfer(uint16_t *words, uint16_t word_len, bool is_incr)
{
LPC_GPDMACH0->DMACCSrcAddr = (uint32_t)words; //DMA_SRC;
LPC_GPDMACH0->DMACCControl = (word_len & 0xFFF) | DMA_CFG;
LPC_GPDMACH0->DMACCControl = (word_len & 0xFFF) | DMA_CFG | (is_incr << 26) | (is_incr << 27);
}
......@@ -54,7 +54,16 @@ void DMA_IRQHandler()
// initiate the first transfer by calling send_dma_order()
void write_spi(uint8_t cmd, data_type_t cmd_type, uint16_t *data, uint32_t byte_len)
{
switch (cmd_type) {
case COORD:
break;
case DATA_PTR:
break;
case DATA_RPT:
break;
default:
break;
}
}
......
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