Sam Shi / Mbed 2 deprecated unytefont

customized font for Unyte

Dependencies:   Adafruit_GFX_customizedfont BLE_API USBDevice mbed

Fork of mbed-os-example-mbed5-blinky by mbed-os-examples

flc.c@32:a1b2391b0c35, 2017-07-18 (annotated)

Committer:
SamShiSS
Date:
Tue Jul 18 14:57:27 2017 +0000
Revision:
32:a1b2391b0c35
customized Unyte font

Who changed what in which revision?

UserRevisionLine numberNew contents of line
SamShiSS 32:a1b2391b0c35 1 /*******************************************************************************
SamShiSS 32:a1b2391b0c35 2 * Copyright (C) 2014 Maxim Integrated Products, Inc., All Rights Reserved.
SamShiSS 32:a1b2391b0c35 3 *
SamShiSS 32:a1b2391b0c35 4 * Permission is hereby granted, free of charge, to any person obtaining a
SamShiSS 32:a1b2391b0c35 5 * copy of this software and associated documentation files (the "Software"),
SamShiSS 32:a1b2391b0c35 6 * to deal in the Software without restriction, including without limitation
SamShiSS 32:a1b2391b0c35 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
SamShiSS 32:a1b2391b0c35 8 * and/or sell copies of the Software, and to permit persons to whom the
SamShiSS 32:a1b2391b0c35 9 * Software is furnished to do so, subject to the following conditions:
SamShiSS 32:a1b2391b0c35 10 *
SamShiSS 32:a1b2391b0c35 11 * The above copyright notice and this permission notice shall be included
SamShiSS 32:a1b2391b0c35 12 * in all copies or substantial portions of the Software.
SamShiSS 32:a1b2391b0c35 13 *
SamShiSS 32:a1b2391b0c35 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
SamShiSS 32:a1b2391b0c35 15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
SamShiSS 32:a1b2391b0c35 16 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
SamShiSS 32:a1b2391b0c35 17 * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
SamShiSS 32:a1b2391b0c35 18 * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
SamShiSS 32:a1b2391b0c35 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
SamShiSS 32:a1b2391b0c35 20 * OTHER DEALINGS IN THE SOFTWARE.
SamShiSS 32:a1b2391b0c35 21 *
SamShiSS 32:a1b2391b0c35 22 * Except as contained in this notice, the name of Maxim Integrated
SamShiSS 32:a1b2391b0c35 23 * Products, Inc. shall not be used except as stated in the Maxim Integrated
SamShiSS 32:a1b2391b0c35 24 * Products, Inc. Branding Policy.
SamShiSS 32:a1b2391b0c35 25 *
SamShiSS 32:a1b2391b0c35 26 * The mere transfer of this software does not imply any licenses
SamShiSS 32:a1b2391b0c35 27 * of trade secrets, proprietary technology, copyrights, patents,
SamShiSS 32:a1b2391b0c35 28 * trademarks, maskwork rights, or any other form of intellectual
SamShiSS 32:a1b2391b0c35 29 * property whatsoever. Maxim Integrated Products, Inc. retains all
SamShiSS 32:a1b2391b0c35 30 * ownership rights.
SamShiSS 32:a1b2391b0c35 31 *******************************************************************************
SamShiSS 32:a1b2391b0c35 32 */
SamShiSS 32:a1b2391b0c35 33
SamShiSS 32:a1b2391b0c35 34 /* $Revision: 3277 $ $Date: 2014-10-02 13:39:01 -0500 (Thu, 02 Oct 2014) $ */
SamShiSS 32:a1b2391b0c35 35
SamShiSS 32:a1b2391b0c35 36 #include "./mxc_config.h"
SamShiSS 32:a1b2391b0c35 37
SamShiSS 32:a1b2391b0c35 38 #include <stdint.h>
SamShiSS 32:a1b2391b0c35 39 #include <string.h>
SamShiSS 32:a1b2391b0c35 40
SamShiSS 32:a1b2391b0c35 41 #include "./flc.h"
SamShiSS 32:a1b2391b0c35 42 #include "./icc_regs.h"
SamShiSS 32:a1b2391b0c35 43
SamShiSS 32:a1b2391b0c35 44
SamShiSS 32:a1b2391b0c35 45 int32_t FLC_Erase(uint32_t address, uint8_t erase_code, uint8_t unlock_key)
SamShiSS 32:a1b2391b0c35 46 {
SamShiSS 32:a1b2391b0c35 47 if(!MXC_ICC->ctrl_stat_f.enable) {
SamShiSS 32:a1b2391b0c35 48 return -1;
SamShiSS 32:a1b2391b0c35 49 }
SamShiSS 32:a1b2391b0c35 50
SamShiSS 32:a1b2391b0c35 51 mxc_flc_ctrl_t fcntl = MXC_FLC->ctrl_f;
SamShiSS 32:a1b2391b0c35 52 fcntl.erase_code = 0; /* clear erase code */
SamShiSS 32:a1b2391b0c35 53 fcntl.auto_incre_mode = 0; /* clear burst */
SamShiSS 32:a1b2391b0c35 54 MXC_FLC->ctrl_f = fcntl;
SamShiSS 32:a1b2391b0c35 55
SamShiSS 32:a1b2391b0c35 56 fcntl.flsh_unlock = unlock_key;
SamShiSS 32:a1b2391b0c35 57 fcntl.erase_code = erase_code;
SamShiSS 32:a1b2391b0c35 58 MXC_FLC->ctrl_f = fcntl;
SamShiSS 32:a1b2391b0c35 59
SamShiSS 32:a1b2391b0c35 60 MXC_FLC->faddr = (address & MXC_FLC_PAGE_ERASE_MSK); /* set bank address */
SamShiSS 32:a1b2391b0c35 61
SamShiSS 32:a1b2391b0c35 62 fcntl = MXC_FLC->ctrl_f;
SamShiSS 32:a1b2391b0c35 63 fcntl.page_erase = 1; /* set and start erase operation */
SamShiSS 32:a1b2391b0c35 64 MXC_FLC->ctrl_f = fcntl;
SamShiSS 32:a1b2391b0c35 65
SamShiSS 32:a1b2391b0c35 66 do {
SamShiSS 32:a1b2391b0c35 67 fcntl = MXC_FLC->ctrl_f;
SamShiSS 32:a1b2391b0c35 68 } while (fcntl.pending); /* wait until done */
SamShiSS 32:a1b2391b0c35 69
SamShiSS 32:a1b2391b0c35 70 fcntl = MXC_FLC->ctrl_f;
SamShiSS 32:a1b2391b0c35 71 fcntl.erase_code = 0; /* lock flash */
SamShiSS 32:a1b2391b0c35 72 fcntl.flsh_unlock = 0;
SamShiSS 32:a1b2391b0c35 73 MXC_FLC->ctrl_f = fcntl;
SamShiSS 32:a1b2391b0c35 74
SamShiSS 32:a1b2391b0c35 75 return 0;
SamShiSS 32:a1b2391b0c35 76 }
SamShiSS 32:a1b2391b0c35 77
SamShiSS 32:a1b2391b0c35 78 int32_t FLC_WriteBlock(uint32_t address, const void *data, uint32_t length, uint8_t unlock_key)
SamShiSS 32:a1b2391b0c35 79 {
SamShiSS 32:a1b2391b0c35 80 uint32_t *word = (uint32_t *) data;
SamShiSS 32:a1b2391b0c35 81
SamShiSS 32:a1b2391b0c35 82 if(!MXC_ICC->ctrl_stat_f.enable) {
SamShiSS 32:a1b2391b0c35 83 return -1;
SamShiSS 32:a1b2391b0c35 84 }
SamShiSS 32:a1b2391b0c35 85
SamShiSS 32:a1b2391b0c35 86 if(address & 3) { /* address needs to be aligned with word */
SamShiSS 32:a1b2391b0c35 87 return -1;
SamShiSS 32:a1b2391b0c35 88 }
SamShiSS 32:a1b2391b0c35 89
SamShiSS 32:a1b2391b0c35 90 length = length & 0xfffffffc;
SamShiSS 32:a1b2391b0c35 91
SamShiSS 32:a1b2391b0c35 92 mxc_flc_ctrl_t fcntl = MXC_FLC->ctrl_f;
SamShiSS 32:a1b2391b0c35 93 fcntl.erase_code = 0; /* clear erase code */
SamShiSS 32:a1b2391b0c35 94 fcntl.auto_incre_mode = 0; /* clear burst */
SamShiSS 32:a1b2391b0c35 95 MXC_FLC->ctrl_f = fcntl;
SamShiSS 32:a1b2391b0c35 96
SamShiSS 32:a1b2391b0c35 97 fcntl.flsh_unlock = unlock_key; /* set unlock */
SamShiSS 32:a1b2391b0c35 98 MXC_FLC->ctrl_f = fcntl;
SamShiSS 32:a1b2391b0c35 99
SamShiSS 32:a1b2391b0c35 100 while (length)
SamShiSS 32:a1b2391b0c35 101 {
SamShiSS 32:a1b2391b0c35 102 MXC_FLC->faddr = address;
SamShiSS 32:a1b2391b0c35 103 MXC_FLC->fdata = *word;
SamShiSS 32:a1b2391b0c35 104
SamShiSS 32:a1b2391b0c35 105 fcntl = MXC_FLC->ctrl_f;
SamShiSS 32:a1b2391b0c35 106 fcntl.write = 1;
SamShiSS 32:a1b2391b0c35 107 MXC_FLC->ctrl_f = fcntl;
SamShiSS 32:a1b2391b0c35 108
SamShiSS 32:a1b2391b0c35 109 address += 4;
SamShiSS 32:a1b2391b0c35 110 word++;
SamShiSS 32:a1b2391b0c35 111 length -= 4;
SamShiSS 32:a1b2391b0c35 112
SamShiSS 32:a1b2391b0c35 113 do {
SamShiSS 32:a1b2391b0c35 114 fcntl = MXC_FLC->ctrl_f;
SamShiSS 32:a1b2391b0c35 115 } while (fcntl.pending);
SamShiSS 32:a1b2391b0c35 116 }
SamShiSS 32:a1b2391b0c35 117
SamShiSS 32:a1b2391b0c35 118 fcntl = MXC_FLC->ctrl_f;
SamShiSS 32:a1b2391b0c35 119 fcntl.erase_code = 0; /* lock flash */
SamShiSS 32:a1b2391b0c35 120 fcntl.flsh_unlock = 0;
SamShiSS 32:a1b2391b0c35 121 MXC_FLC->ctrl_f = fcntl;
SamShiSS 32:a1b2391b0c35 122
SamShiSS 32:a1b2391b0c35 123 return 0;
SamShiSS 32:a1b2391b0c35 124 }
SamShiSS 32:a1b2391b0c35 125