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avr: added routine to count used buffers. fixed a bug.

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This commit is contained in:
Martin Preuss
2025-02-14 22:42:46 +01:00
parent 6e25647c0a
commit b60de3994c
2 changed files with 43 additions and 1 deletions
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17
avr/modules/network/buffer.asm
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@@ -112,7 +112,7 @@ NET_Buffer_Locate:
ror xl
ldi r17, LOW(netBuffers)
add xl, r17
ldi r16, HIGH(netBuffers)
ldi r17, HIGH(netBuffers)
adc xh, r17
sec
NET_Buffer_Locate_end:
@@ -121,5 +121,20 @@ NET_Buffer_Locate_end:
; ---------------------------------------------------------------------------
; @routine NET_Buffer_CountUsed
;
; @return r16 number of buffers in use
; @param X pointer to start of buffers
; @param %0 constant maxBytes per buffer (including statusbyte in front)
; @param %1 constant maxBuffers
; @clobbers r16, r17, r18, X
NET_Buffer_CountUsed:
ldi xl, LOW(netBuffers)
ldi xh, HIGH(netBuffers)
m_fixedbuf_count_used NET_BUFFERS_SIZE, NET_BUFFERS_NUM
ret
; @end