update: 优化demo/spislave

openLuat · Apr 1, 2024 · 026da4c · 026da4c
1 parent ed661be
commit 026da4c
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Showing 2 changed files with 11 additions and 3 deletions.
diff --git a/demo/spislave/master/main.lua b/demo/spislave/master/main.lua
@@ -16,11 +16,17 @@ tmpbuff = zbuff.create(4)
 
 function xt804_read(addr, len)
     -- 尝试读取
+    if not len or len < 1 or len > 1500 then
+        return
+    end
+    tmpbuff:seek(0)
     PIN_CS(0)
     spi.send(SPI_ID, string.char(addr & 0xFF))
-    local data = spi.recv(SPI_ID, len)
+    local data = spi.recv(SPI_ID, len, tmpbuff)
+    -- local data = spi.recv(SPI_ID, len)
     PIN_CS(1)
-    return data
+    return tmpbuff:query(0, len)
+    -- return data
 end
 
 

diff --git a/demo/spislave/slave/main.lua b/demo/spislave/slave/main.lua
@@ -39,13 +39,15 @@ sys.taskInit(function()
     wbuff[3] = 0x16
     local count = 0
     while true do
+        --wbuff:seek(0)
         wbuff[7] = count & 0xFF
-        wbuff[8] = count >> 8
+        wbuff[8] = (count >> 8) & 0xFF
         if spislave.ready(2) then
             spislave.write(2, 0, wbuff, 16 + 4)
         else
             log.info("spislave", "当前不可写入")
         end
+        --log.info("wbuff数据", wbuff[7], wbuff[8])
         sys.wait(1000)
         count = count + 1
     end