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lilian 2016-12-05 12:45:40 +01:00
parent 47cd73ae02
commit 8767a8a0a9
1 changed files with 8 additions and 8 deletions
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16
core/esp_spi.c
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@ -224,20 +224,20 @@ uint32_t spi_transfer_32(uint8_t bus, uint32_t data)
static void _rearm_extras_bit(uint8_t bus, bool arm) {
if(!_minimal_pins[bus]) return ;
static uint8_t status = 0 ;
static uint8_t status[2] ;
if (arm)
{
if (status & (0x01<<(4*bus))) SPI(bus).USER0 |= (SPI_USER0_ADDR) ;
if (status & (0x02<<(4*bus))) SPI(bus).USER0 |= (SPI_USER0_COMMAND) ;
if (status & (0x04<<(4*bus))) SPI(bus).USER0 |= (SPI_USER0_DUMMY | SPI_USER0_MISO);
status &= ~(0x0F<<(4*bus));
if (status[bus] & 0x01) SPI(bus).USER0 |= (SPI_USER0_ADDR) ;
if (status[bus] & 0x02) SPI(bus).USER0 |= (SPI_USER0_COMMAND) ;
if (status[bus] & 0x04) SPI(bus).USER0 |= (SPI_USER0_DUMMY | SPI_USER0_MISO);
status[bus] = 0;
}
else
{
if (SPI(bus).USER0 & SPI_USER0_ADDR) { SPI(bus).USER0 &= ~(SPI_USER0_ADDR) ; status |= 0x01<<(4*bus) ; }
if (SPI(bus).USER0 & SPI_USER0_COMMAND) { SPI(bus).USER0 &= ~(SPI_USER0_COMMAND) ; status |= 0x02<<(4*bus) ; }
if (SPI(bus).USER0 & SPI_USER0_DUMMY) { SPI(bus).USER0 &= ~(SPI_USER0_DUMMY | SPI_USER0_MISO); status |= 0x04<<(4*bus) ; }
if (SPI(bus).USER0 & SPI_USER0_ADDR) { SPI(bus).USER0 &= ~(SPI_USER0_ADDR) ; status[bus] |= 0x01 ; }
if (SPI(bus).USER0 & SPI_USER0_COMMAND) { SPI(bus).USER0 &= ~(SPI_USER0_COMMAND) ; status[bus] |= 0x02 ; }
if (SPI(bus).USER0 & SPI_USER0_DUMMY) { SPI(bus).USER0 &= ~(SPI_USER0_DUMMY | SPI_USER0_MISO); status[bus] |= 0x04 ; }
}
}