Mouse code for the MacroRat
mbed-dev/targets/TARGET_ARM_SSG/TARGET_MPS2/ethernet_api.c
- Committer:
- sahilmgandhi
- Date:
- 2017-05-14
- Revision:
- 18:6a4db94011d3
File content as of revision 18:6a4db94011d3:
/* mbed Microcontroller Library * Copyright (c) 2006-2015 ARM Limited * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ #include <string.h> #include "ethernet_api.h" #include "mps2_ethernet_api.h" #include "cmsis.h" #include "mbed_interface.h" #include "mbed_toolchain.h" #include "mbed_error.h" #include "ETH_MPS2.h" #include "mbed_wait_api.h" #define TX_PKT_SIZE 256 #define RX_PKT_SIZE 300 // Types #undef FALSE #undef TRUE #define FALSE 0 #define TRUE 1 /*---------------------------------------------------------------------------- Ethernet Device initialize *----------------------------------------------------------------------------*/ int ethernet_init() { int error; error = 0; if(smsc9220_check_id()) { error = TRUE; } if(smsc9220_soft_reset()) { error = TRUE; } smsc9220_set_txfifo(5); // Sets automatic flow control thresholds, and backpressure // threshold to defaults specified. SMSC9220->AFC_CFG = 0x006E3740; if(smsc9220_wait_eeprom()) { error = TRUE; } // Configure GPIOs as LED outputs. SMSC9220->GPIO_CFG = 0x70070000; smsc9220_init_irqs(); /* Configure MAC addresses here if needed. */ if(smsc9220_check_phy()) { error = TRUE; } if(smsc9220_reset_phy()) { error = TRUE; return error; } wait_ms(100); // Checking whether phy reset completed successfully. { unsigned short phyreset; phyreset = 0; smsc9220_phy_regread(SMSC9220_PHY_BCONTROL, &phyreset); if(phyreset & (1 << 15)) { error = TRUE; return error; } } /* Advertise capabilities */ smsc9220_advertise_cap(); /* Begin to establish link */ smsc9220_establish_link(); // bit [12] of BCONTROL seems self-clearing. // Although it's not so in the manual. /* Interrupt threshold */ SMSC9220->FIFO_INT = 0xFF000000; smsc9220_enable_mac_xmit(); smsc9220_enable_xmit(); SMSC9220->RX_CFG = 0; smsc9220_enable_mac_recv(); // Rx status FIFO level irq threshold SMSC9220->FIFO_INT &= ~(0xFF); // Clear 2 bottom nibbles // This sleep is compulsory otherwise txmit/receive will fail. wait_ms(2000); return error; } /*---------------------------------------------------------------------------- Ethernet Device Uninitialize *----------------------------------------------------------------------------*/ void ethernet_free() { } int ethernet_write(const char *data, int size) { return 0; } int ethernet_send() { return 0; } int ethernet_receive() { return 0; } // Read from an recevied ethernet packet. // After receive returnd a number bigger than 0 it is // possible to read bytes from this packet. // Read will write up to size bytes into data. // It is possible to use read multible times. // Each time read will start reading after the last read byte before. int ethernet_read(char *data, int dlen) { return 0; } void ethernet_address(char *mac) { mbed_mac_address(mac); } int ethernet_link(void) { return 0; } void ethernet_set_link(int speed, int duplex) { smsc9220_establish_link(); }