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spi通讯成功

xuxinyi 4 months ago
parent
commit
6b5e899f48
1 changed files with 34 additions and 5 deletions
  1. 34 5
      testSpiFlash.lua

+ 34 - 5
testSpiFlash.lua

@@ -18,15 +18,44 @@ log.info("spi1",spi.SPI_1)
 log.info("testSpiFlash.init",result)
 local s = string.fromHex("9f000000000000")
 
+--SPI收发字节
+-- function drv_spi_read_write_byte(txDat)
+--     -- local ret = spi.send_recv(spi.SPI_1,txDat)
+--     log.info("testSpiFlash.readFlashID",spi.send_recv(spi.SPI_1,s):toHex())--收发读写
+-- end
+
+-- function SX126xWriteRegisters(address,buffer,size)
+--     local command = string.fromHex("0D071400000000")
+--     log.info("testSpiFlash.readFlashID",spi.send_recv(spi.SPI_1,s):toHex())--收发读写
+--     -- drv_spi_read_write_byte(0x0D)
+--     -- drv_spi_read_write_byte(( address & 0xFF00 ) >> 8 );
+--     -- drv_spi_read_write_byte(address & 0x00FF );
+-- end
+
 sys.taskInit(function ()
     sys.wait(5000)
     while true do
-        log.info("testSpiFlash.readFlashID",spi.send_recv(spi.SPI_1,s):toHex())--收发读写
+        log.info("send start")--收发读写
+        local command = string.fromHex("1D0740000000")
+        log.info("testSpiFlash.readFlashID",spi.send_recv(spi.SPI_1,command):toHex())--收发读写
+        -- log.info("testSpiFlash.readFlashID",spi.send_recv(spi.SPI_1,string.fromHex("1D")):toHex())--收发读写
+        -- log.info("testSpiFlash.readFlashID",spi.send_recv(spi.SPI_1,string.fromHex("07")):toHex())--收发读写
+        -- log.info("testSpiFlash.readFlashID",spi.send_recv(spi.SPI_1,string.fromHex("40")):toHex())--收发读写
+        -- log.info("testSpiFlash.readFlashID",spi.send_recv(spi.SPI_1,string.fromHex("00")):toHex())--收发读写
+        -- log.info("testSpiFlash.readFlashID",spi.send_recv(spi.SPI_1,string.fromHex("00")):toHex())--收发读写
+        -- log.info("testSpiFlash.sendCommand",spi.send(spi.SPI_1,string.char(0x0d)))--发数据
+        -- log.info("testSpiFlash.sendCommand",spi.send(spi.SPI_1,string.char(0x07)))--发数据
+        -- log.info("testSpiFlash.sendCommand",spi.send(spi.SPI_1,string.char(0x14)))--发数据
+        -- log.info("testSpiFlash.sendCommand",spi.send(spi.SPI_1,string.char(0xff)))--发数据
+        -- log.info("testSpiFlash.readFlashID",spi.recv(spi.SPI_1,2):toHex())--收数据
+
+        log.info("send end")--收发读写
+        -- log.info("testSpiFlash.readFlashID",spi.send_recv(spi.SPI_1,s):toHex())--收发读写
 
-        --下面方法和上面的等价
-        log.info("testSpiFlash.sendCommand",spi.send(spi.SPI_1,string.char(0x9f)))--发数据
-        log.info("testSpiFlash.readFlashID",spi.recv(spi.SPI_1,6):toHex())--收数据
-        sys.wait(200)
+        -- --下面方法和上面的等价
+        -- log.info("testSpiFlash.sendCommand",spi.send(spi.SPI_1,string.char(0x9f)))--发数据
+        -- log.info("testSpiFlash.readFlashID",spi.recv(spi.SPI_1,6):toHex())--收数据
+        sys.wait(2000)
     end
     spi.close(spi.SPI_1)
 end)