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spi: limit esp32 dma workaround only on esp32

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This commit is contained in:
Armando
2022-09-15 18:26:12 +08:00
committed by wanlei
parent c0ba33a99d
commit 9061efd3d1
6 changed files with 37 additions and 18 deletions
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16
components/driver/spi_common.c
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@@ -783,11 +783,10 @@ static dmaworkaround_cb_t dmaworkaround_cb;
static void *dmaworkaround_cb_arg;
static portMUX_TYPE dmaworkaround_mux = portMUX_INITIALIZER_UNLOCKED;
static int dmaworkaround_waiting_for_chan = 0;
#endif
bool IRAM_ATTR spicommon_dmaworkaround_req_reset(int dmachan, dmaworkaround_cb_t cb, void *arg)
{
#if CONFIG_IDF_TARGET_ESP32
int otherchan = (dmachan == 1) ? 2 : 1;
bool ret;
portENTER_CRITICAL_ISR(&dmaworkaround_mux);
@@ -804,24 +803,15 @@ bool IRAM_ATTR spicommon_dmaworkaround_req_reset(int dmachan, dmaworkaround_cb_t
}
portEXIT_CRITICAL_ISR(&dmaworkaround_mux);
return ret;
#else
//no need to reset
return true;
#endif
}
bool IRAM_ATTR spicommon_dmaworkaround_reset_in_progress(void)
{
#if CONFIG_IDF_TARGET_ESP32
return (dmaworkaround_waiting_for_chan != 0);
#else
return false;
#endif
}
void IRAM_ATTR spicommon_dmaworkaround_idle(int dmachan)
{
#if CONFIG_IDF_TARGET_ESP32
portENTER_CRITICAL_ISR(&dmaworkaround_mux);
dmaworkaround_channels_busy[dmachan-1] = 0;
if (dmaworkaround_waiting_for_chan == dmachan) {
@@ -833,14 +823,12 @@ void IRAM_ATTR spicommon_dmaworkaround_idle(int dmachan)
}
portEXIT_CRITICAL_ISR(&dmaworkaround_mux);
#endif
}
void IRAM_ATTR spicommon_dmaworkaround_transfer_active(int dmachan)
{
#if CONFIG_IDF_TARGET_ESP32
portENTER_CRITICAL_ISR(&dmaworkaround_mux);
dmaworkaround_channels_busy[dmachan-1] = 1;
portEXIT_CRITICAL_ISR(&dmaworkaround_mux);
#endif
}
#endif //#if CONFIG_IDF_TARGET_ESP32