These are the examples provided for [[/users/frank26080115/libraries/LPC1700CMSIS_Lib/]] Note, the entire "program" is not compilable!
I2C/sc16is750_polling/i2c_polling_test.c@0:bf7b9fba3924, 2011-03-20 (annotated)
- Committer:
- frank26080115
- Date:
- Sun Mar 20 05:38:56 2011 +0000
- Revision:
- 0:bf7b9fba3924
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
frank26080115 | 0:bf7b9fba3924 | 1 | /***********************************************************************//** |
frank26080115 | 0:bf7b9fba3924 | 2 | * @file i2c_polling_test.c |
frank26080115 | 0:bf7b9fba3924 | 3 | * @purpose An example of I2C using polling mode to test the I2C driver. |
frank26080115 | 0:bf7b9fba3924 | 4 | * Using I2C at mode I2C master/8bit on LPC1766 to communicate with |
frank26080115 | 0:bf7b9fba3924 | 5 | * SC16IS750/760 Demo Board |
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_i2c.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 | |
frank26080115 | 0:bf7b9fba3924 | 26 | /* Example group ----------------------------------------------------------- */ |
frank26080115 | 0:bf7b9fba3924 | 27 | /** @defgroup I2C_sc16is750_polling sc16is750_polling |
frank26080115 | 0:bf7b9fba3924 | 28 | * @ingroup I2C_Examples |
frank26080115 | 0:bf7b9fba3924 | 29 | * @{ |
frank26080115 | 0:bf7b9fba3924 | 30 | */ |
frank26080115 | 0:bf7b9fba3924 | 31 | |
frank26080115 | 0:bf7b9fba3924 | 32 | /************************** PRIVATE DEFINITIONS *************************/ |
frank26080115 | 0:bf7b9fba3924 | 33 | /** Used I2C device definition, should be 0 or 2 */ |
frank26080115 | 0:bf7b9fba3924 | 34 | #define USEDI2CDEV 0 |
frank26080115 | 0:bf7b9fba3924 | 35 | |
frank26080115 | 0:bf7b9fba3924 | 36 | /* Definition of internal register of SC16IS750/760 */ |
frank26080115 | 0:bf7b9fba3924 | 37 | #define IODIR 0x0A |
frank26080115 | 0:bf7b9fba3924 | 38 | #define IOSTATE 0x0B |
frank26080115 | 0:bf7b9fba3924 | 39 | #define IOCON 0x0E |
frank26080115 | 0:bf7b9fba3924 | 40 | #define SLVADDR (0x90>>1) |
frank26080115 | 0:bf7b9fba3924 | 41 | #define REGS_ADDR(n) (n<<3) |
frank26080115 | 0:bf7b9fba3924 | 42 | |
frank26080115 | 0:bf7b9fba3924 | 43 | #if (USEDI2CDEV == 0) |
frank26080115 | 0:bf7b9fba3924 | 44 | #define I2CDEV LPC_I2C0 |
frank26080115 | 0:bf7b9fba3924 | 45 | #elif (USEDI2CDEV == 2) |
frank26080115 | 0:bf7b9fba3924 | 46 | #define I2CDEV LPC_I2C2 |
frank26080115 | 0:bf7b9fba3924 | 47 | #else |
frank26080115 | 0:bf7b9fba3924 | 48 | #error "I2C device not defined!" |
frank26080115 | 0:bf7b9fba3924 | 49 | #endif |
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 | "I2C 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 - 115.2 kbps \n\r" |
frank26080115 | 0:bf7b9fba3924 | 59 | " An example of I2C using polling mode to test the I2C driver \n\r" |
frank26080115 | 0:bf7b9fba3924 | 60 | " Using I2C at mode I2C master/8bit on LPC1766 to communicate with \n\r" |
frank26080115 | 0:bf7b9fba3924 | 61 | " SC16IS750/760 Demo Board \n\r" |
frank26080115 | 0:bf7b9fba3924 | 62 | " Press '1' to turn ON, '2' to turn OFF LEDs \n\r" |
frank26080115 | 0:bf7b9fba3924 | 63 | "********************************************************************************\n\r"; |
frank26080115 | 0:bf7b9fba3924 | 64 | uint8_t menu2[] = "Demo terminated! \n\r"; |
frank26080115 | 0:bf7b9fba3924 | 65 | |
frank26080115 | 0:bf7b9fba3924 | 66 | /* Define array data with match data to set internal register value of SC16IS740/750/760 */ |
frank26080115 | 0:bf7b9fba3924 | 67 | uint8_t iocon_cfg[2] = {REGS_ADDR(IOCON), 0x00}; |
frank26080115 | 0:bf7b9fba3924 | 68 | uint8_t iodir_cfg[2] = {REGS_ADDR(IODIR), 0xFF}; |
frank26080115 | 0:bf7b9fba3924 | 69 | uint8_t iostate_cfg_0[2] = {REGS_ADDR(IOSTATE), 0x00}; |
frank26080115 | 0:bf7b9fba3924 | 70 | uint8_t iostate_cfg_1[2] = {REGS_ADDR(IOSTATE), 0xFF}; |
frank26080115 | 0:bf7b9fba3924 | 71 | |
frank26080115 | 0:bf7b9fba3924 | 72 | |
frank26080115 | 0:bf7b9fba3924 | 73 | /************************** PRIVATE FUNCTIONS *************************/ |
frank26080115 | 0:bf7b9fba3924 | 74 | void print_menu(void); |
frank26080115 | 0:bf7b9fba3924 | 75 | void Error_Loop(uint32_t ErrorCode); |
frank26080115 | 0:bf7b9fba3924 | 76 | |
frank26080115 | 0:bf7b9fba3924 | 77 | /*-------------------------PRIVATE FUNCTIONS------------------------------*/ |
frank26080115 | 0:bf7b9fba3924 | 78 | /*********************************************************************//** |
frank26080115 | 0:bf7b9fba3924 | 79 | * @brief Print Welcome menu |
frank26080115 | 0:bf7b9fba3924 | 80 | * @param[in] none |
frank26080115 | 0:bf7b9fba3924 | 81 | * @return None |
frank26080115 | 0:bf7b9fba3924 | 82 | **********************************************************************/ |
frank26080115 | 0:bf7b9fba3924 | 83 | void print_menu(void) |
frank26080115 | 0:bf7b9fba3924 | 84 | { |
frank26080115 | 0:bf7b9fba3924 | 85 | _DBG_(menu1); |
frank26080115 | 0:bf7b9fba3924 | 86 | } |
frank26080115 | 0:bf7b9fba3924 | 87 | |
frank26080115 | 0:bf7b9fba3924 | 88 | |
frank26080115 | 0:bf7b9fba3924 | 89 | /*********************************************************************//** |
frank26080115 | 0:bf7b9fba3924 | 90 | * @brief A subroutine that will be called if there's any error |
frank26080115 | 0:bf7b9fba3924 | 91 | * on I2C operation |
frank26080115 | 0:bf7b9fba3924 | 92 | * @param[in] ErrorCode Error Code Input |
frank26080115 | 0:bf7b9fba3924 | 93 | * @return None |
frank26080115 | 0:bf7b9fba3924 | 94 | **********************************************************************/ |
frank26080115 | 0:bf7b9fba3924 | 95 | void Error_Loop(uint32_t ErrorCode) |
frank26080115 | 0:bf7b9fba3924 | 96 | { |
frank26080115 | 0:bf7b9fba3924 | 97 | uint32_t test; |
frank26080115 | 0:bf7b9fba3924 | 98 | |
frank26080115 | 0:bf7b9fba3924 | 99 | // for testing purpose |
frank26080115 | 0:bf7b9fba3924 | 100 | test = ErrorCode; |
frank26080115 | 0:bf7b9fba3924 | 101 | /* |
frank26080115 | 0:bf7b9fba3924 | 102 | * Insert your code here... |
frank26080115 | 0:bf7b9fba3924 | 103 | */ |
frank26080115 | 0:bf7b9fba3924 | 104 | while(1); |
frank26080115 | 0:bf7b9fba3924 | 105 | } |
frank26080115 | 0:bf7b9fba3924 | 106 | |
frank26080115 | 0:bf7b9fba3924 | 107 | |
frank26080115 | 0:bf7b9fba3924 | 108 | /*-------------------------MAIN FUNCTION------------------------------*/ |
frank26080115 | 0:bf7b9fba3924 | 109 | /*********************************************************************//** |
frank26080115 | 0:bf7b9fba3924 | 110 | * @brief c_entry: Main program body |
frank26080115 | 0:bf7b9fba3924 | 111 | * @param[in] None |
frank26080115 | 0:bf7b9fba3924 | 112 | * @return int |
frank26080115 | 0:bf7b9fba3924 | 113 | **********************************************************************/ |
frank26080115 | 0:bf7b9fba3924 | 114 | int c_entry(void) |
frank26080115 | 0:bf7b9fba3924 | 115 | { |
frank26080115 | 0:bf7b9fba3924 | 116 | uint8_t tmpchar[2] = {0, 0}; |
frank26080115 | 0:bf7b9fba3924 | 117 | __IO FlagStatus exitflag; |
frank26080115 | 0:bf7b9fba3924 | 118 | PINSEL_CFG_Type PinCfg; |
frank26080115 | 0:bf7b9fba3924 | 119 | I2C_M_SETUP_Type transferCfg; |
frank26080115 | 0:bf7b9fba3924 | 120 | uint8_t SC16IS_RegStat; |
frank26080115 | 0:bf7b9fba3924 | 121 | |
frank26080115 | 0:bf7b9fba3924 | 122 | /* Initialize debug via UART0 |
frank26080115 | 0:bf7b9fba3924 | 123 | * 115200bps |
frank26080115 | 0:bf7b9fba3924 | 124 | * 8 data bit |
frank26080115 | 0:bf7b9fba3924 | 125 | * No parity |
frank26080115 | 0:bf7b9fba3924 | 126 | * 1 stop bit |
frank26080115 | 0:bf7b9fba3924 | 127 | * No flow control |
frank26080115 | 0:bf7b9fba3924 | 128 | */ |
frank26080115 | 0:bf7b9fba3924 | 129 | debug_frmwrk_init(); |
frank26080115 | 0:bf7b9fba3924 | 130 | |
frank26080115 | 0:bf7b9fba3924 | 131 | // print welcome screen |
frank26080115 | 0:bf7b9fba3924 | 132 | print_menu(); |
frank26080115 | 0:bf7b9fba3924 | 133 | |
frank26080115 | 0:bf7b9fba3924 | 134 | /* |
frank26080115 | 0:bf7b9fba3924 | 135 | * Init I2C pin connect |
frank26080115 | 0:bf7b9fba3924 | 136 | */ |
frank26080115 | 0:bf7b9fba3924 | 137 | PinCfg.OpenDrain = 0; |
frank26080115 | 0:bf7b9fba3924 | 138 | PinCfg.Pinmode = 0; |
frank26080115 | 0:bf7b9fba3924 | 139 | #if (USEDI2CDEV == 0) |
frank26080115 | 0:bf7b9fba3924 | 140 | PinCfg.Funcnum = 1; |
frank26080115 | 0:bf7b9fba3924 | 141 | PinCfg.Pinnum = 27; |
frank26080115 | 0:bf7b9fba3924 | 142 | PinCfg.Portnum = 0; |
frank26080115 | 0:bf7b9fba3924 | 143 | PINSEL_ConfigPin(&PinCfg); |
frank26080115 | 0:bf7b9fba3924 | 144 | PinCfg.Pinnum = 28; |
frank26080115 | 0:bf7b9fba3924 | 145 | PINSEL_ConfigPin(&PinCfg); |
frank26080115 | 0:bf7b9fba3924 | 146 | #elif (USEDI2CDEV == 2) |
frank26080115 | 0:bf7b9fba3924 | 147 | PinCfg.Funcnum = 2; |
frank26080115 | 0:bf7b9fba3924 | 148 | PinCfg.Pinnum = 10; |
frank26080115 | 0:bf7b9fba3924 | 149 | PinCfg.Portnum = 0; |
frank26080115 | 0:bf7b9fba3924 | 150 | PINSEL_ConfigPin(&PinCfg); |
frank26080115 | 0:bf7b9fba3924 | 151 | PinCfg.Pinnum = 11; |
frank26080115 | 0:bf7b9fba3924 | 152 | PINSEL_ConfigPin(&PinCfg); |
frank26080115 | 0:bf7b9fba3924 | 153 | #endif |
frank26080115 | 0:bf7b9fba3924 | 154 | |
frank26080115 | 0:bf7b9fba3924 | 155 | /* I2C block ------------------------------------------------------------------- */ |
frank26080115 | 0:bf7b9fba3924 | 156 | // Initialize I2C peripheral |
frank26080115 | 0:bf7b9fba3924 | 157 | I2C_Init(I2CDEV, 100000); |
frank26080115 | 0:bf7b9fba3924 | 158 | |
frank26080115 | 0:bf7b9fba3924 | 159 | /* Enable I2C1 operation */ |
frank26080115 | 0:bf7b9fba3924 | 160 | I2C_Cmd(I2CDEV, ENABLE); |
frank26080115 | 0:bf7b9fba3924 | 161 | |
frank26080115 | 0:bf7b9fba3924 | 162 | /* Configure SC16IS750 ---------------------------------------------------------- */ |
frank26080115 | 0:bf7b9fba3924 | 163 | /* First, send some command to reset SC16IS740 chip via I2C bus interface */ |
frank26080115 | 0:bf7b9fba3924 | 164 | transferCfg.sl_addr7bit = SLVADDR; |
frank26080115 | 0:bf7b9fba3924 | 165 | transferCfg.tx_data = (uint8_t *)iocon_cfg; |
frank26080115 | 0:bf7b9fba3924 | 166 | transferCfg.tx_length = sizeof(iocon_cfg); |
frank26080115 | 0:bf7b9fba3924 | 167 | transferCfg.rx_data = NULL; |
frank26080115 | 0:bf7b9fba3924 | 168 | transferCfg.rx_length = 0; |
frank26080115 | 0:bf7b9fba3924 | 169 | transferCfg.retransmissions_max = 2; |
frank26080115 | 0:bf7b9fba3924 | 170 | if (I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_POLLING) \ |
frank26080115 | 0:bf7b9fba3924 | 171 | == ERROR){ |
frank26080115 | 0:bf7b9fba3924 | 172 | Error_Loop(transferCfg.status); |
frank26080115 | 0:bf7b9fba3924 | 173 | } |
frank26080115 | 0:bf7b9fba3924 | 174 | |
frank26080115 | 0:bf7b9fba3924 | 175 | transferCfg.sl_addr7bit = SLVADDR; |
frank26080115 | 0:bf7b9fba3924 | 176 | transferCfg.tx_data = (uint8_t *)iodir_cfg; |
frank26080115 | 0:bf7b9fba3924 | 177 | transferCfg.tx_length = sizeof(iodir_cfg); |
frank26080115 | 0:bf7b9fba3924 | 178 | transferCfg.rx_data = NULL; |
frank26080115 | 0:bf7b9fba3924 | 179 | transferCfg.rx_length = 0; |
frank26080115 | 0:bf7b9fba3924 | 180 | transferCfg.retransmissions_max = 2; |
frank26080115 | 0:bf7b9fba3924 | 181 | if (I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_POLLING) \ |
frank26080115 | 0:bf7b9fba3924 | 182 | == ERROR){ |
frank26080115 | 0:bf7b9fba3924 | 183 | Error_Loop(transferCfg.status); |
frank26080115 | 0:bf7b9fba3924 | 184 | } |
frank26080115 | 0:bf7b9fba3924 | 185 | |
frank26080115 | 0:bf7b9fba3924 | 186 | transferCfg.sl_addr7bit = SLVADDR; |
frank26080115 | 0:bf7b9fba3924 | 187 | transferCfg.tx_data = (uint8_t *)iostate_cfg_0; |
frank26080115 | 0:bf7b9fba3924 | 188 | transferCfg.tx_length = sizeof(iostate_cfg_0); |
frank26080115 | 0:bf7b9fba3924 | 189 | transferCfg.rx_data = NULL; |
frank26080115 | 0:bf7b9fba3924 | 190 | transferCfg.rx_length = 0; |
frank26080115 | 0:bf7b9fba3924 | 191 | transferCfg.retransmissions_max = 2; |
frank26080115 | 0:bf7b9fba3924 | 192 | if (I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_POLLING) \ |
frank26080115 | 0:bf7b9fba3924 | 193 | == ERROR){ |
frank26080115 | 0:bf7b9fba3924 | 194 | Error_Loop(transferCfg.status); |
frank26080115 | 0:bf7b9fba3924 | 195 | } |
frank26080115 | 0:bf7b9fba3924 | 196 | |
frank26080115 | 0:bf7b9fba3924 | 197 | |
frank26080115 | 0:bf7b9fba3924 | 198 | /* Validate value of SC16IS750 register ------------------------------------------ */ |
frank26080115 | 0:bf7b9fba3924 | 199 | /* This section will dump out value of register that set through I2C bus */ |
frank26080115 | 0:bf7b9fba3924 | 200 | |
frank26080115 | 0:bf7b9fba3924 | 201 | transferCfg.sl_addr7bit = SLVADDR; |
frank26080115 | 0:bf7b9fba3924 | 202 | transferCfg.tx_data = (uint8_t *)iocon_cfg; |
frank26080115 | 0:bf7b9fba3924 | 203 | transferCfg.tx_length = 1; |
frank26080115 | 0:bf7b9fba3924 | 204 | transferCfg.rx_data = (uint8_t *)&SC16IS_RegStat; |
frank26080115 | 0:bf7b9fba3924 | 205 | transferCfg.rx_length = 1; |
frank26080115 | 0:bf7b9fba3924 | 206 | transferCfg.retransmissions_max = 2; |
frank26080115 | 0:bf7b9fba3924 | 207 | if (I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_POLLING) \ |
frank26080115 | 0:bf7b9fba3924 | 208 | == ERROR){ |
frank26080115 | 0:bf7b9fba3924 | 209 | Error_Loop(transferCfg.status); |
frank26080115 | 0:bf7b9fba3924 | 210 | } |
frank26080115 | 0:bf7b9fba3924 | 211 | |
frank26080115 | 0:bf7b9fba3924 | 212 | transferCfg.sl_addr7bit = SLVADDR; |
frank26080115 | 0:bf7b9fba3924 | 213 | transferCfg.tx_data = (uint8_t *)iodir_cfg; |
frank26080115 | 0:bf7b9fba3924 | 214 | transferCfg.tx_length = 1; |
frank26080115 | 0:bf7b9fba3924 | 215 | transferCfg.rx_data = (uint8_t *)&SC16IS_RegStat; |
frank26080115 | 0:bf7b9fba3924 | 216 | transferCfg.rx_length = 1; |
frank26080115 | 0:bf7b9fba3924 | 217 | transferCfg.retransmissions_max = 2; |
frank26080115 | 0:bf7b9fba3924 | 218 | if (I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_POLLING) \ |
frank26080115 | 0:bf7b9fba3924 | 219 | == ERROR){ |
frank26080115 | 0:bf7b9fba3924 | 220 | Error_Loop(transferCfg.status); |
frank26080115 | 0:bf7b9fba3924 | 221 | } |
frank26080115 | 0:bf7b9fba3924 | 222 | |
frank26080115 | 0:bf7b9fba3924 | 223 | transferCfg.sl_addr7bit = SLVADDR; |
frank26080115 | 0:bf7b9fba3924 | 224 | transferCfg.tx_data = (uint8_t *)iostate_cfg_0; |
frank26080115 | 0:bf7b9fba3924 | 225 | transferCfg.tx_length = 1; |
frank26080115 | 0:bf7b9fba3924 | 226 | transferCfg.rx_data = (uint8_t *)&SC16IS_RegStat; |
frank26080115 | 0:bf7b9fba3924 | 227 | transferCfg.rx_length = 1; |
frank26080115 | 0:bf7b9fba3924 | 228 | transferCfg.retransmissions_max = 2; |
frank26080115 | 0:bf7b9fba3924 | 229 | if (I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_POLLING) \ |
frank26080115 | 0:bf7b9fba3924 | 230 | == ERROR){ |
frank26080115 | 0:bf7b9fba3924 | 231 | Error_Loop(transferCfg.status); |
frank26080115 | 0:bf7b9fba3924 | 232 | } |
frank26080115 | 0:bf7b9fba3924 | 233 | |
frank26080115 | 0:bf7b9fba3924 | 234 | // Reset exit flag |
frank26080115 | 0:bf7b9fba3924 | 235 | exitflag = RESET; |
frank26080115 | 0:bf7b9fba3924 | 236 | |
frank26080115 | 0:bf7b9fba3924 | 237 | /* Read some data from the buffer */ |
frank26080115 | 0:bf7b9fba3924 | 238 | while (exitflag == RESET){ |
frank26080115 | 0:bf7b9fba3924 | 239 | |
frank26080115 | 0:bf7b9fba3924 | 240 | while((tmpchar[0] = _DG) == 0); |
frank26080115 | 0:bf7b9fba3924 | 241 | |
frank26080115 | 0:bf7b9fba3924 | 242 | if (tmpchar[0] == 27){ |
frank26080115 | 0:bf7b9fba3924 | 243 | /* ESC key, set exit flag */ |
frank26080115 | 0:bf7b9fba3924 | 244 | _DBG_(menu2); |
frank26080115 | 0:bf7b9fba3924 | 245 | exitflag = SET; |
frank26080115 | 0:bf7b9fba3924 | 246 | } |
frank26080115 | 0:bf7b9fba3924 | 247 | else if (tmpchar[0] == 'r'){ |
frank26080115 | 0:bf7b9fba3924 | 248 | print_menu(); |
frank26080115 | 0:bf7b9fba3924 | 249 | } |
frank26080115 | 0:bf7b9fba3924 | 250 | else{ |
frank26080115 | 0:bf7b9fba3924 | 251 | if (tmpchar[0] == '1'){ |
frank26080115 | 0:bf7b9fba3924 | 252 | // LEDs are ON now... |
frank26080115 | 0:bf7b9fba3924 | 253 | transferCfg.sl_addr7bit = SLVADDR; |
frank26080115 | 0:bf7b9fba3924 | 254 | transferCfg.tx_data = (uint8_t *)iostate_cfg_0; |
frank26080115 | 0:bf7b9fba3924 | 255 | transferCfg.tx_length = sizeof(iostate_cfg_0); |
frank26080115 | 0:bf7b9fba3924 | 256 | transferCfg.rx_data = NULL; |
frank26080115 | 0:bf7b9fba3924 | 257 | transferCfg.rx_length = 0; |
frank26080115 | 0:bf7b9fba3924 | 258 | transferCfg.retransmissions_max = 2; |
frank26080115 | 0:bf7b9fba3924 | 259 | if (I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_POLLING) \ |
frank26080115 | 0:bf7b9fba3924 | 260 | == ERROR){ |
frank26080115 | 0:bf7b9fba3924 | 261 | Error_Loop(transferCfg.status); |
frank26080115 | 0:bf7b9fba3924 | 262 | } |
frank26080115 | 0:bf7b9fba3924 | 263 | } |
frank26080115 | 0:bf7b9fba3924 | 264 | else if (tmpchar[0] == '2') |
frank26080115 | 0:bf7b9fba3924 | 265 | { |
frank26080115 | 0:bf7b9fba3924 | 266 | // LEDs are OFF now... |
frank26080115 | 0:bf7b9fba3924 | 267 | transferCfg.sl_addr7bit = SLVADDR; |
frank26080115 | 0:bf7b9fba3924 | 268 | transferCfg.tx_data = (uint8_t *)iostate_cfg_1; |
frank26080115 | 0:bf7b9fba3924 | 269 | transferCfg.tx_length = sizeof(iostate_cfg_1); |
frank26080115 | 0:bf7b9fba3924 | 270 | transferCfg.rx_data = NULL; |
frank26080115 | 0:bf7b9fba3924 | 271 | transferCfg.rx_length = 0; |
frank26080115 | 0:bf7b9fba3924 | 272 | transferCfg.retransmissions_max = 2; |
frank26080115 | 0:bf7b9fba3924 | 273 | if (I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_POLLING) \ |
frank26080115 | 0:bf7b9fba3924 | 274 | == ERROR){ |
frank26080115 | 0:bf7b9fba3924 | 275 | Error_Loop(transferCfg.status); |
frank26080115 | 0:bf7b9fba3924 | 276 | } |
frank26080115 | 0:bf7b9fba3924 | 277 | } |
frank26080115 | 0:bf7b9fba3924 | 278 | /* Then Echo it back */ |
frank26080115 | 0:bf7b9fba3924 | 279 | _DBG_(tmpchar); |
frank26080115 | 0:bf7b9fba3924 | 280 | } |
frank26080115 | 0:bf7b9fba3924 | 281 | } |
frank26080115 | 0:bf7b9fba3924 | 282 | |
frank26080115 | 0:bf7b9fba3924 | 283 | // wait for current transmission complete - THR must be empty |
frank26080115 | 0:bf7b9fba3924 | 284 | while (UART_CheckBusy(LPC_UART0)==SET); |
frank26080115 | 0:bf7b9fba3924 | 285 | |
frank26080115 | 0:bf7b9fba3924 | 286 | // DeInitialize UART0 peripheral |
frank26080115 | 0:bf7b9fba3924 | 287 | UART_DeInit(LPC_UART0); |
frank26080115 | 0:bf7b9fba3924 | 288 | I2C_DeInit(I2CDEV); |
frank26080115 | 0:bf7b9fba3924 | 289 | /* Loop forever */ |
frank26080115 | 0:bf7b9fba3924 | 290 | while(1); |
frank26080115 | 0:bf7b9fba3924 | 291 | return 1; |
frank26080115 | 0:bf7b9fba3924 | 292 | } |
frank26080115 | 0:bf7b9fba3924 | 293 | |
frank26080115 | 0:bf7b9fba3924 | 294 | /* With ARM and GHS toolsets, the entry point is main() - this will |
frank26080115 | 0:bf7b9fba3924 | 295 | allow the linker to generate wrapper code to setup stacks, allocate |
frank26080115 | 0:bf7b9fba3924 | 296 | heap area, and initialize and copy code and data segments. For GNU |
frank26080115 | 0:bf7b9fba3924 | 297 | toolsets, the entry point is through __start() in the crt0_gnu.asm |
frank26080115 | 0:bf7b9fba3924 | 298 | file, and that startup code will setup stacks and data */ |
frank26080115 | 0:bf7b9fba3924 | 299 | int main(void) |
frank26080115 | 0:bf7b9fba3924 | 300 | { |
frank26080115 | 0:bf7b9fba3924 | 301 | return c_entry(); |
frank26080115 | 0:bf7b9fba3924 | 302 | } |
frank26080115 | 0:bf7b9fba3924 | 303 | |
frank26080115 | 0:bf7b9fba3924 | 304 | |
frank26080115 | 0:bf7b9fba3924 | 305 | #ifdef DEBUG |
frank26080115 | 0:bf7b9fba3924 | 306 | /******************************************************************************* |
frank26080115 | 0:bf7b9fba3924 | 307 | * @brief Reports the name of the source file and the source line number |
frank26080115 | 0:bf7b9fba3924 | 308 | * where the CHECK_PARAM error has occurred. |
frank26080115 | 0:bf7b9fba3924 | 309 | * @param[in] file Pointer to the source file name |
frank26080115 | 0:bf7b9fba3924 | 310 | * @param[in] line assert_param error line source number |
frank26080115 | 0:bf7b9fba3924 | 311 | * @return None |
frank26080115 | 0:bf7b9fba3924 | 312 | *******************************************************************************/ |
frank26080115 | 0:bf7b9fba3924 | 313 | void check_failed(uint8_t *file, uint32_t line) |
frank26080115 | 0:bf7b9fba3924 | 314 | { |
frank26080115 | 0:bf7b9fba3924 | 315 | /* User can add his own implementation to report the file name and line number, |
frank26080115 | 0:bf7b9fba3924 | 316 | ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ |
frank26080115 | 0:bf7b9fba3924 | 317 | |
frank26080115 | 0:bf7b9fba3924 | 318 | /* Infinite loop */ |
frank26080115 | 0:bf7b9fba3924 | 319 | while(1); |
frank26080115 | 0:bf7b9fba3924 | 320 | } |
frank26080115 | 0:bf7b9fba3924 | 321 | #endif |
frank26080115 | 0:bf7b9fba3924 | 322 | |
frank26080115 | 0:bf7b9fba3924 | 323 | /* |
frank26080115 | 0:bf7b9fba3924 | 324 | * @} |
frank26080115 | 0:bf7b9fba3924 | 325 | */ |