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Add interrupt allocation scheme / interrupt sharing. Also modifies drivers and examples. Also allows interrupts

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to be marked specifically as having a handler that's all in IRAM.
This commit is contained in:
Jeroen Domburg
2016-11-25 17:33:51 +08:00
parent 505282bab1
commit 655fd2986a
29 changed files with 1142 additions and 161 deletions
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8
components/ethernet/emac_main.c
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@@ -35,6 +35,7 @@
#include "esp_err.h"
#include "esp_log.h"
#include "esp_eth.h"
#include "esp_intr_alloc.h"
#include "emac_common.h"
#include "emac_desc.h"
@@ -305,19 +306,16 @@ static void IRAM_ATTR emac_process_intr(void *arg)
}
}
//ToDo: this should only be called once because this allocates the interrupt as well.
static void emac_enable_intr()
{
//init emac intr
REG_SET_FIELD(DPORT_PRO_EMAC_INT_MAP_REG, DPORT_PRO_EMAC_INT_MAP, ETS_EMAC_INUM);
xt_set_interrupt_handler(ETS_EMAC_INUM, emac_process_intr, NULL);
xt_ints_on(1 << ETS_EMAC_INUM);
esp_intr_alloc(ETS_ETH_MAC_INTR_SOURCE, 0, emac_process_intr, NULL, NULL);
REG_WRITE(EMAC_DMAINTERRUPT_EN_REG, EMAC_INTR_ENABLE_BIT);
}
static void emac_disable_intr()
{
xt_ints_off(1 << ETS_EMAC_INUM);
REG_WRITE(EMAC_DMAINTERRUPT_EN_REG, 0);
}