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@0:0a841b89d614, 2010-10-11 (annotated)
- Committer:
- AjK
- Date:
- Mon Oct 11 10:34:55 2010 +0000
- Revision:
- 0:0a841b89d614
Totally Alpha quality as this project isn\t completed. Just publishing it as it answers many questions asked in the forums
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
AjK | 0:0a841b89d614 | 1 | /**************************************************************************** |
AjK | 0:0a841b89d614 | 2 | * Copyright 2010 Andy Kirkham, Stellar Technologies Ltd |
AjK | 0:0a841b89d614 | 3 | * |
AjK | 0:0a841b89d614 | 4 | * This file is part of the Satellite Observers Workbench (SOWB). |
AjK | 0:0a841b89d614 | 5 | * |
AjK | 0:0a841b89d614 | 6 | * SOWB is free software: you can redistribute it and/or modify |
AjK | 0:0a841b89d614 | 7 | * it under the terms of the GNU General Public License as published by |
AjK | 0:0a841b89d614 | 8 | * the Free Software Foundation, either version 3 of the License, or |
AjK | 0:0a841b89d614 | 9 | * (at your option) any later version. |
AjK | 0:0a841b89d614 | 10 | * |
AjK | 0:0a841b89d614 | 11 | * SOWB is distributed in the hope that it will be useful, |
AjK | 0:0a841b89d614 | 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
AjK | 0:0a841b89d614 | 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
AjK | 0:0a841b89d614 | 14 | * GNU General Public License for more details. |
AjK | 0:0a841b89d614 | 15 | * |
AjK | 0:0a841b89d614 | 16 | * You should have received a copy of the GNU General Public License |
AjK | 0:0a841b89d614 | 17 | * along with SOWB. If not, see <http://www.gnu.org/licenses/>. |
AjK | 0:0a841b89d614 | 18 | * |
AjK | 0:0a841b89d614 | 19 | * $Id: main.cpp 5 2010-07-12 20:51:11Z ajk $ |
AjK | 0:0a841b89d614 | 20 | * |
AjK | 0:0a841b89d614 | 21 | ***************************************************************************/ |
AjK | 0:0a841b89d614 | 22 | |
AjK | 0:0a841b89d614 | 23 | #include "sowb.h" |
AjK | 0:0a841b89d614 | 24 | #include "user.h" |
AjK | 0:0a841b89d614 | 25 | #include "flash.h" |
AjK | 0:0a841b89d614 | 26 | #include "ssp0.h" |
AjK | 0:0a841b89d614 | 27 | #include "gpio.h" |
AjK | 0:0a841b89d614 | 28 | |
AjK | 0:0a841b89d614 | 29 | char mac_addr[6]; |
AjK | 0:0a841b89d614 | 30 | |
AjK | 0:0a841b89d614 | 31 | /** _25AA02E48_mac_addr |
AjK | 0:0a841b89d614 | 32 | * |
AjK | 0:0a841b89d614 | 33 | * Get a copy of the MAC address with a null terminator. |
AjK | 0:0a841b89d614 | 34 | * |
AjK | 0:0a841b89d614 | 35 | * @param char *s a buffer, 7 bytes long, to hold the MAC+null |
AjK | 0:0a841b89d614 | 36 | */ |
AjK | 0:0a841b89d614 | 37 | void _25AA02E48_mac_addr(char *s) { |
AjK | 0:0a841b89d614 | 38 | memcpy(s, mac_addr, 6); |
AjK | 0:0a841b89d614 | 39 | s[6] = '\0'; |
AjK | 0:0a841b89d614 | 40 | } |
AjK | 0:0a841b89d614 | 41 | |
AjK | 0:0a841b89d614 | 42 | /** _25AA02E48_mac_addr_printable |
AjK | 0:0a841b89d614 | 43 | * |
AjK | 0:0a841b89d614 | 44 | * Create a string that represents the MAC addr as a |
AjK | 0:0a841b89d614 | 45 | * printable ASCII string. The caller is responsible |
AjK | 0:0a841b89d614 | 46 | * for allocating enough space in the buffer pointed |
AjK | 0:0a841b89d614 | 47 | * to by s to hold the string. |
AjK | 0:0a841b89d614 | 48 | * |
AjK | 0:0a841b89d614 | 49 | * @param char *s a buffer, 18 bytes long, to hold the MAC |
AjK | 0:0a841b89d614 | 50 | * @param char divider A character to divide the bytes or 0 |
AjK | 0:0a841b89d614 | 51 | */ |
AjK | 0:0a841b89d614 | 52 | void _25AA02E48_mac_addr_printable(char *s, char divider) { |
AjK | 0:0a841b89d614 | 53 | if (divider != 0) { |
AjK | 0:0a841b89d614 | 54 | sprintf(s, "%02X%c%02X%c%02X%c%02X%c%02X%c%02X", |
AjK | 0:0a841b89d614 | 55 | mac_addr[0], divider, mac_addr[1], divider, mac_addr[2], divider, |
AjK | 0:0a841b89d614 | 56 | mac_addr[3], divider, mac_addr[4], divider, mac_addr[5]); |
AjK | 0:0a841b89d614 | 57 | } |
AjK | 0:0a841b89d614 | 58 | else { |
AjK | 0:0a841b89d614 | 59 | sprintf(s, "%02X%02X%02X%02X%02X%02X", |
AjK | 0:0a841b89d614 | 60 | mac_addr[0], mac_addr[1], mac_addr[2], |
AjK | 0:0a841b89d614 | 61 | mac_addr[3], mac_addr[4], mac_addr[5]); |
AjK | 0:0a841b89d614 | 62 | } |
AjK | 0:0a841b89d614 | 63 | } |
AjK | 0:0a841b89d614 | 64 | |
AjK | 0:0a841b89d614 | 65 | /** _25AA02E48_init |
AjK | 0:0a841b89d614 | 66 | */ |
AjK | 0:0a841b89d614 | 67 | void _25AA02E48_init(void) { |
AjK | 0:0a841b89d614 | 68 | |
AjK | 0:0a841b89d614 | 69 | /* Assumes SSP0 is already _init() */ |
AjK | 0:0a841b89d614 | 70 | |
AjK | 0:0a841b89d614 | 71 | while(!SSP0_request()) WHILE_WAITING_DO_PROCESS_FUNCTIONS; |
AjK | 0:0a841b89d614 | 72 | |
AjK | 0:0a841b89d614 | 73 | LPC_SSP0->CPSR = _25AA02E48_SSP_INIT_CPSR; |
AjK | 0:0a841b89d614 | 74 | AA02E48_CS_ASSERT; |
AjK | 0:0a841b89d614 | 75 | FLASH_SHORT_COMMAND(FLASH_READ); |
AjK | 0:0a841b89d614 | 76 | SSP0_WRITE_BYTE(0xFA); |
AjK | 0:0a841b89d614 | 77 | SSP0_FLUSH_RX_FIFO; |
AjK | 0:0a841b89d614 | 78 | |
AjK | 0:0a841b89d614 | 79 | for (int i = 0; i < 6; i++) { |
AjK | 0:0a841b89d614 | 80 | SSP0_WRITE_BYTE(0x00); |
AjK | 0:0a841b89d614 | 81 | while(SSP0_IS_BUSY || (LPC_SSP0->SR & (1UL << 2)) == 0); |
AjK | 0:0a841b89d614 | 82 | mac_addr[i] = (char)LPC_SSP0->DR; |
AjK | 0:0a841b89d614 | 83 | } |
AjK | 0:0a841b89d614 | 84 | |
AjK | 0:0a841b89d614 | 85 | AA02E48_CS_DEASSERT; |
AjK | 0:0a841b89d614 | 86 | LPC_SSP0->CPSR = FLASH_SSP_INIT_CPSR; |
AjK | 0:0a841b89d614 | 87 | SSP0_release(); |
AjK | 0:0a841b89d614 | 88 | } |