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fix removeApbChangeCallback() error in spiStopBus() #3675

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Merged
merged 2 commits into from
Jan 26, 2020
Merged

fix removeApbChangeCallback() error in spiStopBus() #3675

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d1e7854
fix removeApbChangeCallback() error in spiStopBus()
stickbreaker Jan 26, 2020
b73a44a
Update esp32-hal-spi.c
stickbreaker Jan 26, 2020
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29 changes: 18 additions & 11 deletions cores/esp32/esp32-hal-spi.c
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Original file line number Diff line number Diff line change
Expand Up @@ -384,12 +384,8 @@ static void _on_apb_change(void * arg, apb_change_ev_t ev_type, uint32_t old_apb
}
}

void spiStopBus(spi_t * spi)
static void spiInitBus(spi_t * spi)
{
if(!spi) {
return;
}
SPI_MUTEX_LOCK();
spi->dev->slave.trans_done = 0;
spi->dev->slave.slave_mode = 0;
spi->dev->pin.val = 0;
Expand All @@ -399,8 +395,19 @@ void spiStopBus(spi_t * spi)
spi->dev->ctrl1.val = 0;
spi->dev->ctrl2.val = 0;
spi->dev->clock.val = 0;
SPI_MUTEX_UNLOCK();
}

void spiStopBus(spi_t * spi)
{
if(!spi) {
return;
}

removeApbChangeCallback(spi, _on_apb_change);

SPI_MUTEX_LOCK();
spiInitBus(spi);
SPI_MUTEX_UNLOCK();
}

spi_t * spiStartBus(uint8_t spi_num, uint32_t clockDiv, uint8_t dataMode, uint8_t bitOrder)
Expand Down Expand Up @@ -431,12 +438,8 @@ spi_t * spiStartBus(uint8_t spi_num, uint32_t clockDiv, uint8_t dataMode, uint8_
DPORT_CLEAR_PERI_REG_MASK(DPORT_PERIP_RST_EN_REG, DPORT_SPI_RST_1);
}

spiStopBus(spi);
spiSetDataMode(spi, dataMode);
spiSetBitOrder(spi, bitOrder);
spiSetClockDiv(spi, clockDiv);

SPI_MUTEX_LOCK();
spiInitBus(spi);
spi->dev->user.usr_mosi = 1;
spi->dev->user.usr_miso = 1;
spi->dev->user.doutdin = 1;
Expand All @@ -447,6 +450,10 @@ spi_t * spiStartBus(uint8_t spi_num, uint32_t clockDiv, uint8_t dataMode, uint8_
}
SPI_MUTEX_UNLOCK();

spiSetDataMode(spi, dataMode);
spiSetBitOrder(spi, bitOrder);
spiSetClockDiv(spi, clockDiv);

addApbChangeCallback(spi, _on_apb_change);
return spi;
}
Expand Down