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Wrap dirty IRQ flag cleanup for v307 into a conditional

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cpq committed 2023-11-22 15:41:45 +00:00
1 parent f86c14abb3
commit 82916a1cef
2 files changed
+16 -6
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mongoose.c
+8 -3
View File
@@ -9292,8 +9292,9 @@ __attribute__((interrupt())) // For RISCV CH32V307, which share the same MAC
#endif
void ETH_IRQHandler(void);
void ETH_IRQHandler(void) {
if (ETH->DMASR & MG_BIT(6)) { // Frame received, loop
for (uint32_t i = 0; i < 10; i++) { // read as they arrive but not forever
if (ETH->DMASR & MG_BIT(6)) { // Frame received, loop
ETH->DMASR = MG_BIT(16) | MG_BIT(6); // Clear flag
for (uint32_t i = 0; i < 10; i++) { // read as they arrive but not forever
if (s_rxdesc[s_rxno][0] & MG_BIT(31)) break; // exit when done
if (((s_rxdesc[s_rxno][0] & (MG_BIT(8) | MG_BIT(9))) ==
(MG_BIT(8) | MG_BIT(9))) &&
@@ -9307,7 +9308,11 @@ void ETH_IRQHandler(void) {
if (++s_rxno >= ETH_DESC_CNT) s_rxno = 0;
}
}
ETH->DMASR = ~0; // Clear flags
#ifdef __riscv
ETH->DMASR = ~0; // TODO: do more fine-grained flag cleanup
#else
ETH->DMASR = MG_BIT(7); // Clear possible RBUS while processing
#endif
ETH->DMARPDR = 0; // and resume RX
}
src/drivers/stm32.c
+8 -3
View File
@@ -200,8 +200,9 @@ __attribute__((interrupt())) // For RISCV CH32V307, which share the same MAC
#endif
void ETH_IRQHandler(void);
void ETH_IRQHandler(void) {
if (ETH->DMASR & MG_BIT(6)) { // Frame received, loop
for (uint32_t i = 0; i < 10; i++) { // read as they arrive but not forever
if (ETH->DMASR & MG_BIT(6)) { // Frame received, loop
ETH->DMASR = MG_BIT(16) | MG_BIT(6); // Clear flag
for (uint32_t i = 0; i < 10; i++) { // read as they arrive but not forever
if (s_rxdesc[s_rxno][0] & MG_BIT(31)) break; // exit when done
if (((s_rxdesc[s_rxno][0] & (MG_BIT(8) | MG_BIT(9))) ==
(MG_BIT(8) | MG_BIT(9))) &&
@@ -215,7 +216,11 @@ void ETH_IRQHandler(void) {
if (++s_rxno >= ETH_DESC_CNT) s_rxno = 0;
}
}
ETH->DMASR = ~0; // Clear flags
#ifdef __riscv
ETH->DMASR = ~0; // TODO: do more fine-grained flag cleanup
#else
ETH->DMASR = MG_BIT(7); // Clear possible RBUS while processing
#endif
ETH->DMARPDR = 0; // and resume RX
}