These are the examples provided for [[/users/frank26080115/libraries/LPC1700CMSIS_Lib/]] Note, the entire "program" is not compilable!

Committer:
frank26080115
Date:
Sun Mar 20 05:38:56 2011 +0000
Revision:
0:bf7b9fba3924

        

Who changed what in which revision?

UserRevisionLine numberNew contents of line
frank26080115 0:bf7b9fba3924 1 /***********************************************************************//**
frank26080115 0:bf7b9fba3924 2 * @file spi_interrupt_test.c
frank26080115 0:bf7b9fba3924 3 * @purpose This example describes how to use SPI at mode SPI master/8bit
frank26080115 0:bf7b9fba3924 4 * on LPC1768 to communicate with SC16IS750/760 Demo board
frank26080115 0:bf7b9fba3924 5 * in interrupt mode
frank26080115 0:bf7b9fba3924 6 * @version 2.0
frank26080115 0:bf7b9fba3924 7 * @date 21. May. 2010
frank26080115 0:bf7b9fba3924 8 * @author NXP MCU SW Application Team
frank26080115 0:bf7b9fba3924 9 *---------------------------------------------------------------------
frank26080115 0:bf7b9fba3924 10 * Software that is described herein is for illustrative purposes only
frank26080115 0:bf7b9fba3924 11 * which provides customers with programming information regarding the
frank26080115 0:bf7b9fba3924 12 * products. This software is supplied "AS IS" without any warranties.
frank26080115 0:bf7b9fba3924 13 * NXP Semiconductors assumes no responsibility or liability for the
frank26080115 0:bf7b9fba3924 14 * use of the software, conveys no license or title under any patent,
frank26080115 0:bf7b9fba3924 15 * copyright, or mask work right to the product. NXP Semiconductors
frank26080115 0:bf7b9fba3924 16 * reserves the right to make changes in the software without
frank26080115 0:bf7b9fba3924 17 * notification. NXP Semiconductors also make no representation or
frank26080115 0:bf7b9fba3924 18 * warranty that such application will be suitable for the specified
frank26080115 0:bf7b9fba3924 19 * use without further testing or modification.
frank26080115 0:bf7b9fba3924 20 **********************************************************************/
frank26080115 0:bf7b9fba3924 21 #include "lpc17xx_spi.h"
frank26080115 0:bf7b9fba3924 22 #include "lpc17xx_libcfg.h"
frank26080115 0:bf7b9fba3924 23 #include "lpc17xx_pinsel.h"
frank26080115 0:bf7b9fba3924 24 #include "debug_frmwrk.h"
frank26080115 0:bf7b9fba3924 25 #include "lpc17xx_gpio.h"
frank26080115 0:bf7b9fba3924 26
frank26080115 0:bf7b9fba3924 27 /* Example group ----------------------------------------------------------- */
frank26080115 0:bf7b9fba3924 28 /** @defgroup SPI_sc16is750_int sc16is750_int
frank26080115 0:bf7b9fba3924 29 * @ingroup SPI_Examples
frank26080115 0:bf7b9fba3924 30 * @{
frank26080115 0:bf7b9fba3924 31 */
frank26080115 0:bf7b9fba3924 32
frank26080115 0:bf7b9fba3924 33 /************************** PRIVATE DEFINTIONS *********************/
frank26080115 0:bf7b9fba3924 34 // PORT number that /CS pin assigned on
frank26080115 0:bf7b9fba3924 35 #define CS_PORT_NUM 0
frank26080115 0:bf7b9fba3924 36 // PIN number that /CS pin assigned on
frank26080115 0:bf7b9fba3924 37 #define CS_PIN_NUM 16
frank26080115 0:bf7b9fba3924 38
frank26080115 0:bf7b9fba3924 39 /* Idle char */
frank26080115 0:bf7b9fba3924 40 #define IDLE_CHAR 0xFF
frank26080115 0:bf7b9fba3924 41
frank26080115 0:bf7b9fba3924 42 // Define macro used in command when using SPI with SC16IS740
frank26080115 0:bf7b9fba3924 43 #define SC16IS740_WR_CMD(x) ((uint8_t) (x << 3))
frank26080115 0:bf7b9fba3924 44 #define SC16IS740_RD_CMD(x) ((uint8_t) ((x << 3) | 0x80))
frank26080115 0:bf7b9fba3924 45
frank26080115 0:bf7b9fba3924 46 // Define register address of SC16IS740
frank26080115 0:bf7b9fba3924 47 #define SC16IS740_IODIR_REG 0x0A
frank26080115 0:bf7b9fba3924 48 #define SC16IS740_IOSTATE_REG 0x0B
frank26080115 0:bf7b9fba3924 49 #define SC16IS740_IOCON_REG 0x0E
frank26080115 0:bf7b9fba3924 50
frank26080115 0:bf7b9fba3924 51 /************************** PRIVATE VARIABLES *************************/
frank26080115 0:bf7b9fba3924 52 uint8_t menu1[] =
frank26080115 0:bf7b9fba3924 53 "********************************************************************************\n\r"
frank26080115 0:bf7b9fba3924 54 "Hello NXP Semiconductors \n\r"
frank26080115 0:bf7b9fba3924 55 "SPI demo \n\r"
frank26080115 0:bf7b9fba3924 56 "\t - MCU: LPC17xx \n\r"
frank26080115 0:bf7b9fba3924 57 "\t - Core: ARM Cortex-M3 \n\r"
frank26080115 0:bf7b9fba3924 58 "\t - Communicate via: UART0 - 115200bps \n\r"
frank26080115 0:bf7b9fba3924 59 " Communicate with SPI function on SC16IS750/760 Demo Board\n\r"
frank26080115 0:bf7b9fba3924 60 " Use IO function on SC16IS740/750/760 chip to turn ON/OFF LEDs\n\r"
frank26080115 0:bf7b9fba3924 61 "Press '1' to turn ON LEDs, '2' to turn OFF LEDs \n\r"
frank26080115 0:bf7b9fba3924 62 "********************************************************************************\n\r";
frank26080115 0:bf7b9fba3924 63 uint8_t menu2[] = "Demo terminated! \n\r";
frank26080115 0:bf7b9fba3924 64
frank26080115 0:bf7b9fba3924 65 uint8_t iocon_cfg[2] = {SC16IS740_WR_CMD(SC16IS740_IOCON_REG), 0x00};
frank26080115 0:bf7b9fba3924 66 uint8_t iodir_cfg[2] = {SC16IS740_WR_CMD(SC16IS740_IODIR_REG), 0xFF};
frank26080115 0:bf7b9fba3924 67 uint8_t iostate_on[2] = {SC16IS740_WR_CMD(SC16IS740_IOSTATE_REG), 0x00};
frank26080115 0:bf7b9fba3924 68 uint8_t iostate_off[2] = {SC16IS740_WR_CMD(SC16IS740_IOSTATE_REG), 0xFF};
frank26080115 0:bf7b9fba3924 69 uint8_t spireadbuf[2];
frank26080115 0:bf7b9fba3924 70
frank26080115 0:bf7b9fba3924 71 /* Status Flag indicates current SPI transmission complete or not */
frank26080115 0:bf7b9fba3924 72 __IO FlagStatus complete;
frank26080115 0:bf7b9fba3924 73
frank26080115 0:bf7b9fba3924 74 // SPI Configuration structure variable
frank26080115 0:bf7b9fba3924 75 SPI_CFG_Type SPI_ConfigStruct;
frank26080115 0:bf7b9fba3924 76 // SPI Data Setup structure variable
frank26080115 0:bf7b9fba3924 77 SPI_DATA_SETUP_Type xferConfig;
frank26080115 0:bf7b9fba3924 78
frank26080115 0:bf7b9fba3924 79
frank26080115 0:bf7b9fba3924 80 /************************** PRIVATE FUNCTIONS *************************/
frank26080115 0:bf7b9fba3924 81 void SPI_IRQHandler(void);
frank26080115 0:bf7b9fba3924 82
frank26080115 0:bf7b9fba3924 83 void CS_Init(void);
frank26080115 0:bf7b9fba3924 84 void CS_Force(int32_t state);
frank26080115 0:bf7b9fba3924 85 void print_menu(void);
frank26080115 0:bf7b9fba3924 86
frank26080115 0:bf7b9fba3924 87 /*----------------- INTERRUPT SERVICE ROUTINES --------------------------*/
frank26080115 0:bf7b9fba3924 88 /*********************************************************************//**
frank26080115 0:bf7b9fba3924 89 * @brief SPI Interrupt used for reading and writing handler
frank26080115 0:bf7b9fba3924 90 * @param None
frank26080115 0:bf7b9fba3924 91 * @return None
frank26080115 0:bf7b9fba3924 92 ***********************************************************************/
frank26080115 0:bf7b9fba3924 93 void SPI_IRQHandler(void)
frank26080115 0:bf7b9fba3924 94 {
frank26080115 0:bf7b9fba3924 95 SPI_DATA_SETUP_Type *xf_setup;
frank26080115 0:bf7b9fba3924 96 uint16_t tmp;
frank26080115 0:bf7b9fba3924 97 uint8_t dataword;
frank26080115 0:bf7b9fba3924 98
frank26080115 0:bf7b9fba3924 99 xf_setup = &xferConfig;
frank26080115 0:bf7b9fba3924 100
frank26080115 0:bf7b9fba3924 101 if(SPI_GetDataSize(LPC_SPI) == 8)
frank26080115 0:bf7b9fba3924 102 dataword = 0;
frank26080115 0:bf7b9fba3924 103 else dataword = 1;
frank26080115 0:bf7b9fba3924 104
frank26080115 0:bf7b9fba3924 105 /* Dummy read to clear SPI interrupt flag */
frank26080115 0:bf7b9fba3924 106 SPI_ClearIntPending(LPC_SPI);
frank26080115 0:bf7b9fba3924 107
frank26080115 0:bf7b9fba3924 108 // save status
frank26080115 0:bf7b9fba3924 109 tmp = SPI_GetStatus(LPC_SPI);
frank26080115 0:bf7b9fba3924 110 xf_setup->status = tmp;
frank26080115 0:bf7b9fba3924 111 // Check for error
frank26080115 0:bf7b9fba3924 112 if (tmp & (SPI_SPSR_ABRT | SPI_SPSR_MODF | SPI_SPSR_ROVR | SPI_SPSR_WCOL)){
frank26080115 0:bf7b9fba3924 113 xf_setup->status |= SPI_STAT_ERROR;
frank26080115 0:bf7b9fba3924 114 // Disable Interrupt and call call-back
frank26080115 0:bf7b9fba3924 115 SPI_IntCmd(LPC_SPI, DISABLE);
frank26080115 0:bf7b9fba3924 116 // Set Complete Flag
frank26080115 0:bf7b9fba3924 117 complete = SET;
frank26080115 0:bf7b9fba3924 118 return;
frank26080115 0:bf7b9fba3924 119 }
frank26080115 0:bf7b9fba3924 120
frank26080115 0:bf7b9fba3924 121 /* Check SPI complete flag */
frank26080115 0:bf7b9fba3924 122 if (tmp & SPI_SPSR_SPIF){
frank26080115 0:bf7b9fba3924 123 // Read data from SPI data
frank26080115 0:bf7b9fba3924 124 tmp = SPI_ReceiveData(LPC_SPI);
frank26080115 0:bf7b9fba3924 125 if (xf_setup->rx_data != NULL)
frank26080115 0:bf7b9fba3924 126 {
frank26080115 0:bf7b9fba3924 127 if (dataword == 0){
frank26080115 0:bf7b9fba3924 128 *(uint8_t *)((uint8_t *)(xf_setup->rx_data) + xf_setup->counter) = (uint8_t) tmp;
frank26080115 0:bf7b9fba3924 129 } else {
frank26080115 0:bf7b9fba3924 130 *(uint16_t *)((uint8_t *)(xf_setup->rx_data) + xf_setup->counter) = (uint8_t) tmp;
frank26080115 0:bf7b9fba3924 131 }
frank26080115 0:bf7b9fba3924 132 }
frank26080115 0:bf7b9fba3924 133 // Increase counter
frank26080115 0:bf7b9fba3924 134 if (dataword == 0){
frank26080115 0:bf7b9fba3924 135 xf_setup->counter++;
frank26080115 0:bf7b9fba3924 136 } else {
frank26080115 0:bf7b9fba3924 137 xf_setup->counter += 2;
frank26080115 0:bf7b9fba3924 138 }
frank26080115 0:bf7b9fba3924 139 }
frank26080115 0:bf7b9fba3924 140
frank26080115 0:bf7b9fba3924 141 if (xf_setup->counter < xf_setup->length){
frank26080115 0:bf7b9fba3924 142 // Write data to buffer
frank26080115 0:bf7b9fba3924 143 if(xf_setup->tx_data == NULL){
frank26080115 0:bf7b9fba3924 144 if (dataword == 0){
frank26080115 0:bf7b9fba3924 145 SPI_SendData(LPC_SPI, 0xFF);
frank26080115 0:bf7b9fba3924 146 } else {
frank26080115 0:bf7b9fba3924 147 SPI_SendData(LPC_SPI, 0xFFFF);
frank26080115 0:bf7b9fba3924 148 }
frank26080115 0:bf7b9fba3924 149 } else {
frank26080115 0:bf7b9fba3924 150 if (dataword == 0){
frank26080115 0:bf7b9fba3924 151 SPI_SendData(LPC_SPI, (*(uint8_t *)((uint8_t *)(xf_setup->tx_data) + xf_setup->counter)));
frank26080115 0:bf7b9fba3924 152 } else {
frank26080115 0:bf7b9fba3924 153 SPI_SendData(LPC_SPI, (*(uint16_t *)((uint8_t *)(xf_setup->tx_data) + xf_setup->counter)));
frank26080115 0:bf7b9fba3924 154 }
frank26080115 0:bf7b9fba3924 155 }
frank26080115 0:bf7b9fba3924 156 }
frank26080115 0:bf7b9fba3924 157 // No more data to send
frank26080115 0:bf7b9fba3924 158 else {
frank26080115 0:bf7b9fba3924 159 xf_setup->status |= SPI_STAT_DONE;
frank26080115 0:bf7b9fba3924 160 // Disable Interrupt and call call-back
frank26080115 0:bf7b9fba3924 161 SPI_IntCmd(LPC_SPI, DISABLE);
frank26080115 0:bf7b9fba3924 162 // Set Complete Flag
frank26080115 0:bf7b9fba3924 163 complete = SET;
frank26080115 0:bf7b9fba3924 164 }
frank26080115 0:bf7b9fba3924 165 }
frank26080115 0:bf7b9fba3924 166
frank26080115 0:bf7b9fba3924 167 /*-------------------------PRIVATE FUNCTIONS------------------------------*/
frank26080115 0:bf7b9fba3924 168 /*********************************************************************//**
frank26080115 0:bf7b9fba3924 169 * @brief Initialize CS pin as GPIO function to drive /CS pin
frank26080115 0:bf7b9fba3924 170 * due to definition of CS_PORT_NUM and CS_PORT_NUM
frank26080115 0:bf7b9fba3924 171 * @param None
frank26080115 0:bf7b9fba3924 172 * @return None
frank26080115 0:bf7b9fba3924 173 ***********************************************************************/
frank26080115 0:bf7b9fba3924 174 void CS_Init(void)
frank26080115 0:bf7b9fba3924 175 {
frank26080115 0:bf7b9fba3924 176 GPIO_SetDir(CS_PORT_NUM, (1<<CS_PIN_NUM), 1);
frank26080115 0:bf7b9fba3924 177 GPIO_SetValue(CS_PORT_NUM, (1<<CS_PIN_NUM));
frank26080115 0:bf7b9fba3924 178 }
frank26080115 0:bf7b9fba3924 179
frank26080115 0:bf7b9fba3924 180
frank26080115 0:bf7b9fba3924 181 /*********************************************************************//**
frank26080115 0:bf7b9fba3924 182 * @brief Drive CS output pin to low/high level to select slave device
frank26080115 0:bf7b9fba3924 183 * via /CS pin state
frank26080115 0:bf7b9fba3924 184 * @param[in] state State of CS output pin that will be driven:
frank26080115 0:bf7b9fba3924 185 * - 0: Drive CS pin to low level
frank26080115 0:bf7b9fba3924 186 * - 1: Drive CS pin to high level
frank26080115 0:bf7b9fba3924 187 * @return None
frank26080115 0:bf7b9fba3924 188 ***********************************************************************/
frank26080115 0:bf7b9fba3924 189 void CS_Force(int32_t state)
frank26080115 0:bf7b9fba3924 190 {
frank26080115 0:bf7b9fba3924 191 if (state){
frank26080115 0:bf7b9fba3924 192 GPIO_SetValue(CS_PORT_NUM, (1<<CS_PIN_NUM));
frank26080115 0:bf7b9fba3924 193 }else{
frank26080115 0:bf7b9fba3924 194 GPIO_ClearValue(CS_PORT_NUM, (1<<CS_PIN_NUM));
frank26080115 0:bf7b9fba3924 195 }
frank26080115 0:bf7b9fba3924 196 }
frank26080115 0:bf7b9fba3924 197
frank26080115 0:bf7b9fba3924 198
frank26080115 0:bf7b9fba3924 199 /*********************************************************************//**
frank26080115 0:bf7b9fba3924 200 * @brief Print Welcome menu
frank26080115 0:bf7b9fba3924 201 * @param[in] none
frank26080115 0:bf7b9fba3924 202 * @return None
frank26080115 0:bf7b9fba3924 203 **********************************************************************/
frank26080115 0:bf7b9fba3924 204 void print_menu(void)
frank26080115 0:bf7b9fba3924 205 {
frank26080115 0:bf7b9fba3924 206 _DBG(menu1);
frank26080115 0:bf7b9fba3924 207 }
frank26080115 0:bf7b9fba3924 208
frank26080115 0:bf7b9fba3924 209 /*-------------------------MAIN FUNCTION------------------------------*/
frank26080115 0:bf7b9fba3924 210 /*********************************************************************//**
frank26080115 0:bf7b9fba3924 211 * @brief c_entry: Main SPI program body
frank26080115 0:bf7b9fba3924 212 * @param[in] None
frank26080115 0:bf7b9fba3924 213 * @return int
frank26080115 0:bf7b9fba3924 214 **********************************************************************/
frank26080115 0:bf7b9fba3924 215 int c_entry(void)
frank26080115 0:bf7b9fba3924 216 {
frank26080115 0:bf7b9fba3924 217 uint8_t tmpchar[2] = {0, 0};
frank26080115 0:bf7b9fba3924 218 PINSEL_CFG_Type PinCfg;
frank26080115 0:bf7b9fba3924 219 __IO FlagStatus exitflag;
frank26080115 0:bf7b9fba3924 220
frank26080115 0:bf7b9fba3924 221 /*
frank26080115 0:bf7b9fba3924 222 * Initialize SPI pin connect
frank26080115 0:bf7b9fba3924 223 * P0.15 - SCK;
frank26080115 0:bf7b9fba3924 224 * P0.16 - SSEL - used as GPIO
frank26080115 0:bf7b9fba3924 225 * P0.17 - MISO
frank26080115 0:bf7b9fba3924 226 * P0.18 - MOSI
frank26080115 0:bf7b9fba3924 227 */
frank26080115 0:bf7b9fba3924 228 PinCfg.Funcnum = 3;
frank26080115 0:bf7b9fba3924 229 PinCfg.OpenDrain = 0;
frank26080115 0:bf7b9fba3924 230 PinCfg.Pinmode = 0;
frank26080115 0:bf7b9fba3924 231 PinCfg.Portnum = 0;
frank26080115 0:bf7b9fba3924 232 PinCfg.Pinnum = 15;
frank26080115 0:bf7b9fba3924 233 PINSEL_ConfigPin(&PinCfg);
frank26080115 0:bf7b9fba3924 234 PinCfg.Pinnum = 17;
frank26080115 0:bf7b9fba3924 235 PINSEL_ConfigPin(&PinCfg);
frank26080115 0:bf7b9fba3924 236 PinCfg.Pinnum = 18;
frank26080115 0:bf7b9fba3924 237 PINSEL_ConfigPin(&PinCfg);
frank26080115 0:bf7b9fba3924 238 PinCfg.Pinnum = 16;
frank26080115 0:bf7b9fba3924 239 PinCfg.Funcnum = 0;
frank26080115 0:bf7b9fba3924 240 PINSEL_ConfigPin(&PinCfg);
frank26080115 0:bf7b9fba3924 241
frank26080115 0:bf7b9fba3924 242 /* Initialize debug via UART0
frank26080115 0:bf7b9fba3924 243 * – 115200bps
frank26080115 0:bf7b9fba3924 244 * – 8 data bit
frank26080115 0:bf7b9fba3924 245 * – No parity
frank26080115 0:bf7b9fba3924 246 * – 1 stop bit
frank26080115 0:bf7b9fba3924 247 * – No flow control
frank26080115 0:bf7b9fba3924 248 */
frank26080115 0:bf7b9fba3924 249 debug_frmwrk_init();
frank26080115 0:bf7b9fba3924 250
frank26080115 0:bf7b9fba3924 251 // print welcome screen
frank26080115 0:bf7b9fba3924 252 print_menu();
frank26080115 0:bf7b9fba3924 253
frank26080115 0:bf7b9fba3924 254 // initialize SPI configuration structure to default
frank26080115 0:bf7b9fba3924 255 SPI_ConfigStructInit(&SPI_ConfigStruct);
frank26080115 0:bf7b9fba3924 256 // Initialize SPI peripheral with parameter given in structure above
frank26080115 0:bf7b9fba3924 257 SPI_Init(LPC_SPI, &SPI_ConfigStruct);
frank26080115 0:bf7b9fba3924 258
frank26080115 0:bf7b9fba3924 259 // Initialize /CS pin to GPIO function
frank26080115 0:bf7b9fba3924 260 CS_Init();
frank26080115 0:bf7b9fba3924 261
frank26080115 0:bf7b9fba3924 262 /* preemption = 1, sub-priority = 1 */
frank26080115 0:bf7b9fba3924 263 NVIC_SetPriority(SPI_IRQn, ((0x01<<3)|0x01));
frank26080115 0:bf7b9fba3924 264 /* Enable SSP0 interrupt */
frank26080115 0:bf7b9fba3924 265 NVIC_EnableIRQ(SPI_IRQn);
frank26080115 0:bf7b9fba3924 266
frank26080115 0:bf7b9fba3924 267 /* First, send some command to reset SC16IS740 chip via SPI bus interface
frank26080115 0:bf7b9fba3924 268 * note driver /CS pin to low state before transferring by CS_Enable() function
frank26080115 0:bf7b9fba3924 269 */
frank26080115 0:bf7b9fba3924 270 complete = RESET;
frank26080115 0:bf7b9fba3924 271 CS_Force(0);
frank26080115 0:bf7b9fba3924 272 xferConfig.tx_data = iocon_cfg;
frank26080115 0:bf7b9fba3924 273 xferConfig.rx_data = spireadbuf;
frank26080115 0:bf7b9fba3924 274 xferConfig.length = sizeof (iocon_cfg);
frank26080115 0:bf7b9fba3924 275 SPI_ReadWrite(LPC_SPI, &xferConfig, SPI_TRANSFER_INTERRUPT);
frank26080115 0:bf7b9fba3924 276 while (complete == RESET);
frank26080115 0:bf7b9fba3924 277 CS_Force(1);
frank26080115 0:bf7b9fba3924 278
frank26080115 0:bf7b9fba3924 279 complete = RESET;
frank26080115 0:bf7b9fba3924 280 CS_Force(0);
frank26080115 0:bf7b9fba3924 281 xferConfig.tx_data = iodir_cfg;
frank26080115 0:bf7b9fba3924 282 xferConfig.rx_data = spireadbuf;
frank26080115 0:bf7b9fba3924 283 xferConfig.length = sizeof (iodir_cfg);
frank26080115 0:bf7b9fba3924 284 SPI_ReadWrite(LPC_SPI, &xferConfig, SPI_TRANSFER_INTERRUPT);
frank26080115 0:bf7b9fba3924 285 while (complete == RESET);
frank26080115 0:bf7b9fba3924 286 CS_Force(1);
frank26080115 0:bf7b9fba3924 287
frank26080115 0:bf7b9fba3924 288 // Reset exit flag
frank26080115 0:bf7b9fba3924 289 exitflag = RESET;
frank26080115 0:bf7b9fba3924 290
frank26080115 0:bf7b9fba3924 291 // Start to use SPI polling mode
frank26080115 0:bf7b9fba3924 292 /* Read some data from the buffer */
frank26080115 0:bf7b9fba3924 293 while (exitflag == RESET)
frank26080115 0:bf7b9fba3924 294 {
frank26080115 0:bf7b9fba3924 295 while((tmpchar[0] = _DG) == 0);
frank26080115 0:bf7b9fba3924 296
frank26080115 0:bf7b9fba3924 297 if (tmpchar[0] == 27){
frank26080115 0:bf7b9fba3924 298 /* ESC key, set exit flag */
frank26080115 0:bf7b9fba3924 299 _DBG_(menu2);
frank26080115 0:bf7b9fba3924 300 exitflag = SET;
frank26080115 0:bf7b9fba3924 301 }
frank26080115 0:bf7b9fba3924 302 else if (tmpchar[0] == 'r'){
frank26080115 0:bf7b9fba3924 303 print_menu();
frank26080115 0:bf7b9fba3924 304 } else {
frank26080115 0:bf7b9fba3924 305 if (tmpchar[0] == '1')
frank26080115 0:bf7b9fba3924 306 {
frank26080115 0:bf7b9fba3924 307 // LEDs are ON now...
frank26080115 0:bf7b9fba3924 308 CS_Force(0);
frank26080115 0:bf7b9fba3924 309 xferConfig.tx_data = iostate_on;
frank26080115 0:bf7b9fba3924 310 xferConfig.rx_data = spireadbuf;
frank26080115 0:bf7b9fba3924 311 xferConfig.length = sizeof (iostate_on);
frank26080115 0:bf7b9fba3924 312 SPI_ReadWrite(LPC_SPI, &xferConfig, SPI_TRANSFER_POLLING);
frank26080115 0:bf7b9fba3924 313 CS_Force(1);
frank26080115 0:bf7b9fba3924 314 }
frank26080115 0:bf7b9fba3924 315 else if (tmpchar[0] == '2')
frank26080115 0:bf7b9fba3924 316 {
frank26080115 0:bf7b9fba3924 317 // LEDs are OFF now...
frank26080115 0:bf7b9fba3924 318 CS_Force(0);
frank26080115 0:bf7b9fba3924 319 xferConfig.tx_data = iostate_off;
frank26080115 0:bf7b9fba3924 320 xferConfig.rx_data = spireadbuf;
frank26080115 0:bf7b9fba3924 321 xferConfig.length = sizeof (iostate_off);
frank26080115 0:bf7b9fba3924 322 SPI_ReadWrite(LPC_SPI, &xferConfig, SPI_TRANSFER_POLLING);
frank26080115 0:bf7b9fba3924 323 CS_Force(1);
frank26080115 0:bf7b9fba3924 324 }
frank26080115 0:bf7b9fba3924 325 /* Then Echo it back */
frank26080115 0:bf7b9fba3924 326 _DBG_(tmpchar);
frank26080115 0:bf7b9fba3924 327 }
frank26080115 0:bf7b9fba3924 328 }
frank26080115 0:bf7b9fba3924 329 // DeInitialize UART0 peripheral
frank26080115 0:bf7b9fba3924 330 SPI_DeInit(LPC_SPI);
frank26080115 0:bf7b9fba3924 331 /* Loop forever */
frank26080115 0:bf7b9fba3924 332 while(1);
frank26080115 0:bf7b9fba3924 333 return 1;
frank26080115 0:bf7b9fba3924 334 }
frank26080115 0:bf7b9fba3924 335
frank26080115 0:bf7b9fba3924 336 /* With ARM and GHS toolsets, the entry point is main() - this will
frank26080115 0:bf7b9fba3924 337 allow the linker to generate wrapper code to setup stacks, allocate
frank26080115 0:bf7b9fba3924 338 heap area, and initialize and copy code and data segments. For GNU
frank26080115 0:bf7b9fba3924 339 toolsets, the entry point is through __start() in the crt0_gnu.asm
frank26080115 0:bf7b9fba3924 340 file, and that startup code will setup stacks and data */
frank26080115 0:bf7b9fba3924 341 int main(void)
frank26080115 0:bf7b9fba3924 342 {
frank26080115 0:bf7b9fba3924 343 return c_entry();
frank26080115 0:bf7b9fba3924 344 }
frank26080115 0:bf7b9fba3924 345
frank26080115 0:bf7b9fba3924 346
frank26080115 0:bf7b9fba3924 347 #ifdef DEBUG
frank26080115 0:bf7b9fba3924 348 /*******************************************************************************
frank26080115 0:bf7b9fba3924 349 * @brief Reports the name of the source file and the source line number
frank26080115 0:bf7b9fba3924 350 * where the CHECK_PARAM error has occurred.
frank26080115 0:bf7b9fba3924 351 * @param[in] file Pointer to the source file name
frank26080115 0:bf7b9fba3924 352 * @param[in] line assert_param error line source number
frank26080115 0:bf7b9fba3924 353 * @return None
frank26080115 0:bf7b9fba3924 354 *******************************************************************************/
frank26080115 0:bf7b9fba3924 355 void check_failed(uint8_t *file, uint32_t line)
frank26080115 0:bf7b9fba3924 356 {
frank26080115 0:bf7b9fba3924 357 /* User can add his own implementation to report the file name and line number,
frank26080115 0:bf7b9fba3924 358 ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
frank26080115 0:bf7b9fba3924 359
frank26080115 0:bf7b9fba3924 360 /* Infinite loop */
frank26080115 0:bf7b9fba3924 361 while(1);
frank26080115 0:bf7b9fba3924 362 }
frank26080115 0:bf7b9fba3924 363 #endif
frank26080115 0:bf7b9fba3924 364
frank26080115 0:bf7b9fba3924 365 /*
frank26080115 0:bf7b9fba3924 366 * @}
frank26080115 0:bf7b9fba3924 367 */