Satellite Observers Workbench. NOT yet complete, just published for forum posters to \"cherry pick\" pieces of code as requiered as an example.
flash/25AA02EE48.c
- Committer:
- AjK
- Date:
- 2010-10-11
- Revision:
- 0:0a841b89d614
File content as of revision 0:0a841b89d614:
/**************************************************************************** * Copyright 2010 Andy Kirkham, Stellar Technologies Ltd * * This file is part of the Satellite Observers Workbench (SOWB). * * SOWB is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * SOWB is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with SOWB. If not, see <http://www.gnu.org/licenses/>. * * $Id: main.cpp 5 2010-07-12 20:51:11Z ajk $ * ***************************************************************************/ #include "sowb.h" #include "user.h" #include "flash.h" #include "ssp0.h" #include "gpio.h" char mac_addr[6]; /** _25AA02E48_mac_addr * * Get a copy of the MAC address with a null terminator. * * @param char *s a buffer, 7 bytes long, to hold the MAC+null */ void _25AA02E48_mac_addr(char *s) { memcpy(s, mac_addr, 6); s[6] = '\0'; } /** _25AA02E48_mac_addr_printable * * Create a string that represents the MAC addr as a * printable ASCII string. The caller is responsible * for allocating enough space in the buffer pointed * to by s to hold the string. * * @param char *s a buffer, 18 bytes long, to hold the MAC * @param char divider A character to divide the bytes or 0 */ void _25AA02E48_mac_addr_printable(char *s, char divider) { if (divider != 0) { sprintf(s, "%02X%c%02X%c%02X%c%02X%c%02X%c%02X", mac_addr[0], divider, mac_addr[1], divider, mac_addr[2], divider, mac_addr[3], divider, mac_addr[4], divider, mac_addr[5]); } else { sprintf(s, "%02X%02X%02X%02X%02X%02X", mac_addr[0], mac_addr[1], mac_addr[2], mac_addr[3], mac_addr[4], mac_addr[5]); } } /** _25AA02E48_init */ void _25AA02E48_init(void) { /* Assumes SSP0 is already _init() */ while(!SSP0_request()) WHILE_WAITING_DO_PROCESS_FUNCTIONS; LPC_SSP0->CPSR = _25AA02E48_SSP_INIT_CPSR; AA02E48_CS_ASSERT; FLASH_SHORT_COMMAND(FLASH_READ); SSP0_WRITE_BYTE(0xFA); SSP0_FLUSH_RX_FIFO; for (int i = 0; i < 6; i++) { SSP0_WRITE_BYTE(0x00); while(SSP0_IS_BUSY || (LPC_SSP0->SR & (1UL << 2)) == 0); mac_addr[i] = (char)LPC_SSP0->DR; } AA02E48_CS_DEASSERT; LPC_SSP0->CPSR = FLASH_SSP_INIT_CPSR; SSP0_release(); }