Diff: LAN9252.cpp

Revision:

0:3516fed95f0b

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/LAN9252.cpp	Mon Jan 18 03:46:20 2021 +0000
@@ -0,0 +1,137 @@
+
+#include "LAN9252.h"
+#include "LAN925X_SPI.h"
+#include <stdint.h>
+
+//=============================================================================//
+// LAN9252 RESET
+//=============================================================================//
+void LAN9252_RESET(void)
+{
+    uint32_t rdata;
+    uint32_t wdata;
+    uint32_t addr;
+    
+    addr = RESET_CTL;
+    LAN925X_SPI_WRITE(addr,ETHERCAT_RST);       
+    addr = BYTE_TEST;
+    rdata = LAN925X_SPI_READ(addr);
+    while(rdata!=0x87654321)
+    {
+        addr = BYTE_TEST;
+        rdata = LAN925X_SPI_READ(addr);
+    }
+}
+
+//=============================================================================//
+// LAN9252 EtherCAT CSR WRITE
+//=============================================================================//
+void LAN9252_EtherCAT_CSR_WRITE(uint8_t CSR_SIZE,uint16_t CSR_ADDR,uint32_t CSR_DATA)
+{
+
+    uint32_t rdata;
+    uint32_t wdata;
+    uint16_t addr;
+    addr = ECAT_CSR_DATA;
+    wdata = CSR_DATA;
+    LAN925X_SPI_WRITE(addr,wdata);
+
+    addr = ECAT_CSR_CMD;
+    wdata = (uint32_t)CSR_BUSY | (uint32_t)0<<30 | (uint32_t)CSR_SIZE<<16 | (uint32_t)CSR_ADDR; //Write
+    LAN925X_SPI_WRITE(addr,wdata);
+    
+    addr = ECAT_CSR_CMD;
+    rdata = LAN925X_SPI_READ(addr);
+    while(CSR_BUSY&rdata)
+    {
+        addr = ECAT_CSR_CMD;
+        rdata = LAN925X_SPI_READ(addr);
+    }
+
+}
+//=============================================================================//
+// LAN9252 EtherCAT CSR READ
+//=============================================================================//
+uint32_t LAN9252_EtherCAT_CSR_READ(uint8_t CSR_SIZE,uint16_t CSR_ADDR)
+{
+
+    uint32_t rdata;
+    uint32_t wdata;
+    uint16_t addr;
+    addr = ECAT_CSR_CMD;
+    wdata = (uint32_t)CSR_BUSY | (uint32_t)1<<30 | (uint32_t)CSR_SIZE<<16 | (uint32_t)CSR_ADDR; //Read
+    LAN925X_SPI_WRITE(addr,wdata);
+    
+    addr = ECAT_CSR_CMD;
+    rdata = LAN925X_SPI_READ(addr);
+    while(CSR_BUSY&rdata)
+    {
+        addr = ECAT_CSR_CMD;
+        rdata = LAN925X_SPI_READ(addr);
+    }
+    addr = ECAT_CSR_DATA;
+    rdata = LAN925X_SPI_READ(addr);
+    return rdata;
+}
+//=============================================================================//
+// LAN9252 EtherCAT Prossec RAM Read
+//=============================================================================//
+uint32_t LAN9252_EtherCAT_PRAM_READ(uint16_t PRAM_READ_LEN,uint16_t PRAM_READ_ADDR)
+{
+    uint32_t rdata;
+    uint32_t wdata;
+    uint32_t tmp;
+    uint16_t addr;
+    
+    addr = ECAT_PRAM_RD_ADDR_LEN;
+    wdata = (uint32_t)PRAM_READ_LEN<<16 | (uint32_t)PRAM_READ_ADDR; 
+    LAN925X_SPI_WRITE(addr,wdata);
+
+    addr = ECAT_PRAM_RD_CMD;
+    wdata = PRAM_READ_BUSY ; 
+    LAN925X_SPI_WRITE(addr,wdata);
+
+    addr = ECAT_PRAM_RD_DATA;
+    rdata = LAN925X_SPI_READ(addr);
+
+    addr = ECAT_PRAM_RD_CMD;
+    tmp = LAN925X_SPI_READ(addr);
+    while(PRAM_READ_BUSY&tmp)
+    {
+        addr = ECAT_PRAM_RD_CMD;
+        tmp = LAN925X_SPI_READ(addr);
+    }
+    return rdata;
+}
+//=============================================================================//
+// LAN9252 EtherCAT Prossec RAM Read
+//=============================================================================//
+void LAN9252_EtherCAT_PRAM_WRITE(uint16_t PRAM_WRITE_LEN,uint16_t PRAM_WRITE_ADDR, uint32_t PRAM_WR_DATA)
+{
+    uint32_t rdata;
+    uint32_t wdata;
+    uint32_t tmp;
+    uint16_t addr;
+
+    
+    addr = ECAT_PRAM_WR_DATA;
+    wdata = PRAM_WR_DATA; 
+    LAN925X_SPI_WRITE(addr,wdata);
+    
+    addr = ECAT_PRAM_WR_ADDR_LEN;
+    wdata = (uint32_t)PRAM_WRITE_LEN<<16 | (uint32_t)PRAM_WRITE_ADDR; 
+    LAN925X_SPI_WRITE(addr,wdata);
+
+    addr = ECAT_PRAM_WR_CMD;
+    wdata = PRAM_WRITE_BUSY ; 
+    LAN925X_SPI_WRITE(addr,wdata);
+
+    addr = ECAT_PRAM_WR_CMD;
+    tmp = LAN925X_SPI_READ(addr);
+    while(PRAM_WRITE_BUSY&tmp)
+    {
+        addr = ECAT_PRAM_WR_CMD;
+        tmp = LAN925X_SPI_READ(addr);
+    }
+}
+