avr: added module ds1307.

2026-04-27 00:39:02 +02:00
parent 14edff1369
commit accc7d41a2
9 changed files with 438 additions and 0 deletions
--- a/avr/modules/rtc/ds1307/recv.asm
+++ b/avr/modules/rtc/ds1307/recv.asm
@@ -0,0 +1,57 @@
+; ***************************************************************************
+; copyright   : (C) 2026 by Martin Preuss
+; email       : martin@libchipcard.de
+;
+; ***************************************************************************
+; * This file is part of the project "AqHome".                              *
+; * Please see toplevel file COPYING of that project for license details.   *
+; ***************************************************************************
+
+
+
+; ***************************************************************************
+; defs
+
+
+; ***************************************************************************
+; code
+
+.cseg
+
+Ds1307_OnPacketReceived:
+  adiw xh:xl, NETMSG_OFFS_CMD               ; command
+  ld r16, X
+  sbiw xh:xl, NETMSG_OFFS_CMD
+  cpi r16, NETMSG_CMD_TIME_REQSET
+  breq Ds1307_OnPacketReceived_set
+  clc                                       ; unexpected msg
+  ret
+Ds1307_OnPacketReceived_set:
+  ldi zl, LOW(ds1307RecvBuffer)
+  ldi zh, HIGH(ds1307RecvBuffer)
+  bigcall netMsgTimeRead                    ; r22=sender, r23=command, r25:r24=msg id
+  
+  push r22
+    push r15
+      in r15, SREG
+      cli
+      clr r16
+      ldi r17, 7
+      ldi zl, LOW(ds1307RecvBuffer)
+      ldi zh, HIGH(ds1307RecvBuffer)
+      rcall ds1307SendData                  ; (r16, r17, r18, r19, r20, r22, Z)
+      out SREG, r15
+    pop r15
+  pop r22
+  
+  lds r16, ds1307Flags
+  sbr r16, (1<<DS1307_FLAGS_VALID_BIT)
+  sts ds1307Flags, r16
+#ifdef MODULES_NETWORK
+  rcall Ds1307RespondToSetTime
+#endif
+  sec
+  ret
+; @end
+
+