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This commit is contained in:
lilian 2016-11-26 15:14:40 +01:00
parent f19fdc37be
commit 20ab2176fb
3 changed files with 65 additions and 65 deletions
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34
core/esp_spi.c
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@ -248,33 +248,33 @@ size_t spi_transfer(uint8_t bus, const void *out_data, void *in_data, size_t len
static void _repeat_send(uint8_t bus, uint32_t* dword,int32_t* repeats,spi_word_size_t size)
{
uint8_t i = 0 ;
while(*repeats > 0)
{
uint16_t bytes_to_transfer = __min(*repeats * size , _SPI_BUF_SIZE);
_wait(bus);
_set_size(bus,bytes_to_transfer);
for(i = 0; i < (bytes_to_transfer + 3) / 4;i++)
SPI(bus).W[i] = *dword; //need test with memcpy !
_start(bus);
*repeats -= (bytes_to_transfer / size ) ;
}
_wait(bus);
uint8_t i = 0 ;
while(*repeats > 0)
{
uint16_t bytes_to_transfer = __min(*repeats * size , _SPI_BUF_SIZE);
_wait(bus);
_set_size(bus,bytes_to_transfer);
for(i = 0; i < (bytes_to_transfer + 3) / 4;i++)
SPI(bus).W[i] = *dword; //need test with memcpy !
_start(bus);
*repeats -= (bytes_to_transfer / size ) ;
}
_wait(bus);
}
void spi_repeat_send_8(uint8_t bus, uint8_t data,int32_t repeats)
{
uint32_t dword = data << 24 | data << 16 | data << 8 | data;
_repeat_send(bus,&dword,&repeats, SPI_8BIT);
uint32_t dword = data << 24 | data << 16 | data << 8 | data;
_repeat_send(bus,&dword,&repeats, SPI_8BIT);
}
void spi_repeat_send_16(uint8_t bus, uint16_t data,int32_t repeats)
{
uint32_t dword = data << 16 | data;
_repeat_send(bus,&dword,&repeats, SPI_16BIT);
uint32_t dword = data << 16 | data;
_repeat_send(bus,&dword,&repeats, SPI_16BIT);
}
void spi_repeat_send_32(uint8_t bus, uint32_t data,int32_t repeats)
{
_repeat_send(bus,&data,&repeats, SPI_32BIT);
_repeat_send(bus,&data,&repeats, SPI_32BIT);
}