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main.c
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1 /*
2 * @brief Startup file for SPIFI programmer example
3 *
4 * @note
5 * Copyright(C) NXP Semiconductors, 2012
6 * All rights reserved.
7 *
8 * @par
9 * Software that is described herein is for illustrative purposes only
10 * which provides customers with programming information regarding the
11 * LPC products. This software is supplied "AS IS" without any warranties of
12 * any kind, and NXP Semiconductors and its licensor disclaim any and
13 * all warranties, express or implied, including all implied warranties of
14 * merchantability, fitness for a particular purpose and non-infringement of
15 * intellectual property rights. NXP Semiconductors assumes no responsibility
16 * or liability for the use of the software, conveys no license or rights under any
17 * patent, copyright, mask work right, or any other intellectual property rights in
18 * or to any products. NXP Semiconductors reserves the right to make changes
19 * in the software without notification. NXP Semiconductors also makes no
20 * representation or warranty that such application will be suitable for the
21 * specified use without further testing or modification.
22 *
23 * @par
24 * Permission to use, copy, modify, and distribute this software and its
25 * documentation is hereby granted, under NXP Semiconductors' and its
26 * licensor's relevant copyrights in the software, without fee, provided that it
27 * is used in conjunction with NXP Semiconductors microcontrollers. This
28 * copyright, permission, and disclaimer notice must appear in all copies of
29 * this code.
30 */
31
32 #include <string.h>
33
34 #include "flash_config.h"
35
76 // FIXME - needs standards formatting
77
78 static uint8_t data_buffer[PROG_SIZE];
79 static SPIFIobj spifi_obj;
80
81 /* Verify the spifi data */
82 static int verify_spifi_data(const uint8_t *buff, int size)
83 {
84 int i;
85 for (i = 0; i < size; i++) {
86 if (*buff++ == (uint8_t) i) break;
87 }
88 return i == size ? 0 : i;
89 }
90
91 /* Initializes the buffer from 00 to FF */
92 static void prepare_write_data(uint8_t *buff, int size)
93 {
94 int i;
95 for (i = 0; i < size; i ++) {
96 *buff++ = (uint8_t) i;
97 }
98 }
99
104 int main(void)
105 {
106 SPIFIobj *obj = &spifi_obj;
107 uint32_t spifi_clk_mhz;
108 SPIFIopers opers;
109 int ret;
110 spifi_rom_init(spifi);
111
112 /* Initialize the board & LEDs for error indication */
113 Board_Init();
114
115 /* Since this code runs from SPIFI no special initialization required here */
116 prepare_write_data(data_buffer, sizeof(data_buffer));
117
118 spifi_clk_mhz = Chip_Clock_GetRate(CLK_MX_SPIFI) / 1000000;
119
120 /* Typical time tCS is 20 ns min, we give 200 ns to be on safer side */
121 if (spifi_init(obj, spifi_clk_mhz / 5, S_RCVCLK | S_FULLCLK, spifi_clk_mhz)) {
122 DEBUGSTR("Error initializing SPIFI interface!\r\n");
123 Board_LED_Set(1, 1);
124 goto end_prog;
125 }
126
127 /* Prepare the operations structure */
128 memset(&opers, 0, sizeof(SPIFIopers));
129 opers.dest = (char *) SPIFI_WRITE_SECTOR_OFFSET;
130 opers.length = sizeof(data_buffer);
131 /* opers.options = S_VERIFY_PROG; */
132
133 /* NOTE: All interrupts must be disabled before calling program as
134 * any triggered interrupts might attempt to run a code from SPIFI area
135 */
136 ret = spifi_program(obj, (char *) data_buffer, &opers);
137 if (ret) {
138 DEBUGOUT("Error 0x%x: Programming of data buffer to SPIFI Failed!\r\n", ret);
139 Board_LED_Set(1, 1);
140 goto end_prog;
141 }
142 DEBUGSTR("SPIFI Programming successful!\r\n");
143
144 if (verify_spifi_data((uint8_t *) SPIFI_WRITE_SECTOR_ADDRESS, sizeof(data_buffer))) {
145 DEBUGSTR("Error verifying the SPIFI data\r\n");
146 Board_LED_Set(1, 1);
147 goto end_prog;
148 }
149 Board_LED_Set(0, 1);
150 DEBUGSTR("SPIFI Data verified!\r\n");
151
152 end_prog:
153 while(1) {__WFI();}
154 }