Frank 26080115
These are the examples provided for [[/users/frank26080115/libraries/LPC1700CMSIS_Lib/]] Note, the entire "program" is not compilable!
I2C/sc16is750_int/i2c_interrupt_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_interrupt_test.c |
| frank26080115 | 0:bf7b9fba3924 | 3 | * @purpose An example of I2C using interrupt 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_int sc16is750_int |
| 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 | |
| frank26080115 | 0:bf7b9fba3924 | 44 | #if (USEDI2CDEV == 0) |
| frank26080115 | 0:bf7b9fba3924 | 45 | #define I2CDEV LPC_I2C0 |
| frank26080115 | 0:bf7b9fba3924 | 46 | #elif (USEDI2CDEV == 2) |
| frank26080115 | 0:bf7b9fba3924 | 47 | #define I2CDEV LPC_I2C2 |
| frank26080115 | 0:bf7b9fba3924 | 48 | #else |
| frank26080115 | 0:bf7b9fba3924 | 49 | #error "I2C device not defined!" |
| frank26080115 | 0:bf7b9fba3924 | 50 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 51 | |
| frank26080115 | 0:bf7b9fba3924 | 52 | /************************** PRIVATE VARIABLES *************************/ |
| frank26080115 | 0:bf7b9fba3924 | 53 | uint8_t menu1[] = |
| frank26080115 | 0:bf7b9fba3924 | 54 | "********************************************************************************\n\r" |
| frank26080115 | 0:bf7b9fba3924 | 55 | "Hello NXP Semiconductors \n\r" |
| frank26080115 | 0:bf7b9fba3924 | 56 | "I2C demo \n\r" |
| frank26080115 | 0:bf7b9fba3924 | 57 | "\t - MCU: LPC17xx \n\r" |
| frank26080115 | 0:bf7b9fba3924 | 58 | "\t - Core: ARM Cortex-M3 \n\r" |
| frank26080115 | 0:bf7b9fba3924 | 59 | "\t - Communicate via: UART0 - 115.2 kbps \n\r" |
| frank26080115 | 0:bf7b9fba3924 | 60 | " Communicate with I2C function on SC16IS750/760 Demo Board\n\r" |
| frank26080115 | 0:bf7b9fba3924 | 61 | " Use IO function on SC16IS740/750/760 chip to turn ON/OFF LEDs\n\r" |
| frank26080115 | 0:bf7b9fba3924 | 62 | "Press '1' to turn ON LEDs, '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 | __IO FlagStatus complete; |
| frank26080115 | 0:bf7b9fba3924 | 73 | |
| frank26080115 | 0:bf7b9fba3924 | 74 | /************************** PRIVATE FUNCTIONS *************************/ |
| frank26080115 | 0:bf7b9fba3924 | 75 | #if (USEDI2CDEV == 0) |
| frank26080115 | 0:bf7b9fba3924 | 76 | void I2C0_IRQHandler(void); |
| frank26080115 | 0:bf7b9fba3924 | 77 | #elif (USEDI2CDEV == 2) |
| frank26080115 | 0:bf7b9fba3924 | 78 | void I2C2_IRQHandler(void); |
| frank26080115 | 0:bf7b9fba3924 | 79 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 80 | |
| frank26080115 | 0:bf7b9fba3924 | 81 | void print_menu(void); |
| frank26080115 | 0:bf7b9fba3924 | 82 | void Error_Loop(uint8_t ErrorCode); |
| frank26080115 | 0:bf7b9fba3924 | 83 | |
| frank26080115 | 0:bf7b9fba3924 | 84 | |
| frank26080115 | 0:bf7b9fba3924 | 85 | #if (USEDI2CDEV == 0) |
| frank26080115 | 0:bf7b9fba3924 | 86 | /*----------------- INTERRUPT SERVICE ROUTINES --------------------------*/ |
| frank26080115 | 0:bf7b9fba3924 | 87 | /*********************************************************************//** |
| frank26080115 | 0:bf7b9fba3924 | 88 | * @brief Main I2C0 interrupt handler sub-routine |
| frank26080115 | 0:bf7b9fba3924 | 89 | * @param[in] None |
| frank26080115 | 0:bf7b9fba3924 | 90 | * @return None |
| frank26080115 | 0:bf7b9fba3924 | 91 | **********************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 92 | void I2C0_IRQHandler(void){ |
| frank26080115 | 0:bf7b9fba3924 | 93 | // just call std int handler |
| frank26080115 | 0:bf7b9fba3924 | 94 | I2C_MasterHandler(I2CDEV); |
| frank26080115 | 0:bf7b9fba3924 | 95 | if (I2C_MasterTransferComplete(I2CDEV)){ |
| frank26080115 | 0:bf7b9fba3924 | 96 | complete = SET; |
| frank26080115 | 0:bf7b9fba3924 | 97 | } |
| frank26080115 | 0:bf7b9fba3924 | 98 | } |
| frank26080115 | 0:bf7b9fba3924 | 99 | #elif (USEDI2CDEV == 2) |
| frank26080115 | 0:bf7b9fba3924 | 100 | /*********************************************************************//** |
| frank26080115 | 0:bf7b9fba3924 | 101 | * @brief Main I2C2 interrupt handler sub-routine |
| frank26080115 | 0:bf7b9fba3924 | 102 | * @param[in] None |
| frank26080115 | 0:bf7b9fba3924 | 103 | * @return None |
| frank26080115 | 0:bf7b9fba3924 | 104 | **********************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 105 | void I2C2_IRQHandler(void){ |
| frank26080115 | 0:bf7b9fba3924 | 106 | // just call std int handler |
| frank26080115 | 0:bf7b9fba3924 | 107 | I2C_MasterHandler(I2CDEV); |
| frank26080115 | 0:bf7b9fba3924 | 108 | if (I2C_MasterTransferComplete(I2CDEV)){ |
| frank26080115 | 0:bf7b9fba3924 | 109 | complete = SET; |
| frank26080115 | 0:bf7b9fba3924 | 110 | } |
| frank26080115 | 0:bf7b9fba3924 | 111 | } |
| frank26080115 | 0:bf7b9fba3924 | 112 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 113 | |
| frank26080115 | 0:bf7b9fba3924 | 114 | /*-------------------------PRIVATE FUNCTIONS------------------------------*/ |
| frank26080115 | 0:bf7b9fba3924 | 115 | /*********************************************************************//** |
| frank26080115 | 0:bf7b9fba3924 | 116 | * @brief Print Welcome menu |
| frank26080115 | 0:bf7b9fba3924 | 117 | * @param[in] none |
| frank26080115 | 0:bf7b9fba3924 | 118 | * @return None |
| frank26080115 | 0:bf7b9fba3924 | 119 | **********************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 120 | void print_menu(void) |
| frank26080115 | 0:bf7b9fba3924 | 121 | { |
| frank26080115 | 0:bf7b9fba3924 | 122 | _DBG_(menu1); |
| frank26080115 | 0:bf7b9fba3924 | 123 | } |
| frank26080115 | 0:bf7b9fba3924 | 124 | |
| frank26080115 | 0:bf7b9fba3924 | 125 | |
| frank26080115 | 0:bf7b9fba3924 | 126 | /*********************************************************************//** |
| frank26080115 | 0:bf7b9fba3924 | 127 | * @brief A subroutine that will be called if there's any error |
| frank26080115 | 0:bf7b9fba3924 | 128 | * on I2C operation |
| frank26080115 | 0:bf7b9fba3924 | 129 | * @param[in] ErrorCode Error Code Input |
| frank26080115 | 0:bf7b9fba3924 | 130 | * @return None |
| frank26080115 | 0:bf7b9fba3924 | 131 | **********************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 132 | void Error_Loop(uint8_t ErrorCode) |
| frank26080115 | 0:bf7b9fba3924 | 133 | { |
| frank26080115 | 0:bf7b9fba3924 | 134 | /* |
| frank26080115 | 0:bf7b9fba3924 | 135 | * Insert your code here... |
| frank26080115 | 0:bf7b9fba3924 | 136 | */ |
| frank26080115 | 0:bf7b9fba3924 | 137 | while(1); |
| frank26080115 | 0:bf7b9fba3924 | 138 | } |
| frank26080115 | 0:bf7b9fba3924 | 139 | |
| frank26080115 | 0:bf7b9fba3924 | 140 | |
| frank26080115 | 0:bf7b9fba3924 | 141 | /*-------------------------MAIN FUNCTION------------------------------*/ |
| frank26080115 | 0:bf7b9fba3924 | 142 | /*********************************************************************//** |
| frank26080115 | 0:bf7b9fba3924 | 143 | * @brief c_entry: Main program body |
| frank26080115 | 0:bf7b9fba3924 | 144 | * @param[in] None |
| frank26080115 | 0:bf7b9fba3924 | 145 | * @return int |
| frank26080115 | 0:bf7b9fba3924 | 146 | **********************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 147 | int c_entry(void) |
| frank26080115 | 0:bf7b9fba3924 | 148 | { |
| frank26080115 | 0:bf7b9fba3924 | 149 | uint8_t tmpchar[2] = {0, 0}; |
| frank26080115 | 0:bf7b9fba3924 | 150 | __IO FlagStatus exitflag; |
| frank26080115 | 0:bf7b9fba3924 | 151 | PINSEL_CFG_Type PinCfg; |
| frank26080115 | 0:bf7b9fba3924 | 152 | I2C_M_SETUP_Type transferCfg; |
| frank26080115 | 0:bf7b9fba3924 | 153 | uint8_t SC16IS_RegStat; |
| frank26080115 | 0:bf7b9fba3924 | 154 | |
| frank26080115 | 0:bf7b9fba3924 | 155 | #if (USEDI2CDEV == 0) |
| frank26080115 | 0:bf7b9fba3924 | 156 | /* Disable I2C0 interrupt */ |
| frank26080115 | 0:bf7b9fba3924 | 157 | NVIC_DisableIRQ(I2C0_IRQn); |
| frank26080115 | 0:bf7b9fba3924 | 158 | /* preemption = 1, sub-priority = 1 */ |
| frank26080115 | 0:bf7b9fba3924 | 159 | NVIC_SetPriority(I2C0_IRQn, ((0x01<<3)|0x01)); |
| frank26080115 | 0:bf7b9fba3924 | 160 | #elif (USEDI2CDEV == 2) |
| frank26080115 | 0:bf7b9fba3924 | 161 | /* Disable I2C2 interrupt */ |
| frank26080115 | 0:bf7b9fba3924 | 162 | NVIC_DisableIRQ(I2C2_IRQn); |
| frank26080115 | 0:bf7b9fba3924 | 163 | /* preemption = 1, sub-priority = 1 */ |
| frank26080115 | 0:bf7b9fba3924 | 164 | NVIC_SetPriority(I2C2_IRQn, ((0x01<<3)|0x01)); |
| frank26080115 | 0:bf7b9fba3924 | 165 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 166 | |
| frank26080115 | 0:bf7b9fba3924 | 167 | /* Initialize debug via UART0 |
| frank26080115 | 0:bf7b9fba3924 | 168 | * 115200bps |
| frank26080115 | 0:bf7b9fba3924 | 169 | * 8 data bit |
| frank26080115 | 0:bf7b9fba3924 | 170 | * No parity |
| frank26080115 | 0:bf7b9fba3924 | 171 | * 1 stop bit |
| frank26080115 | 0:bf7b9fba3924 | 172 | * No flow control |
| frank26080115 | 0:bf7b9fba3924 | 173 | */ |
| frank26080115 | 0:bf7b9fba3924 | 174 | debug_frmwrk_init(); |
| frank26080115 | 0:bf7b9fba3924 | 175 | |
| frank26080115 | 0:bf7b9fba3924 | 176 | // print welcome screen |
| frank26080115 | 0:bf7b9fba3924 | 177 | print_menu(); |
| frank26080115 | 0:bf7b9fba3924 | 178 | |
| frank26080115 | 0:bf7b9fba3924 | 179 | /* |
| frank26080115 | 0:bf7b9fba3924 | 180 | * Init I2C pin connect |
| frank26080115 | 0:bf7b9fba3924 | 181 | */ |
| frank26080115 | 0:bf7b9fba3924 | 182 | PinCfg.OpenDrain = 0; |
| frank26080115 | 0:bf7b9fba3924 | 183 | PinCfg.Pinmode = 0; |
| frank26080115 | 0:bf7b9fba3924 | 184 | #if (USEDI2CDEV == 0) |
| frank26080115 | 0:bf7b9fba3924 | 185 | PinCfg.Funcnum = 1; |
| frank26080115 | 0:bf7b9fba3924 | 186 | PinCfg.Pinnum = 27; |
| frank26080115 | 0:bf7b9fba3924 | 187 | PinCfg.Portnum = 0; |
| frank26080115 | 0:bf7b9fba3924 | 188 | PINSEL_ConfigPin(&PinCfg); |
| frank26080115 | 0:bf7b9fba3924 | 189 | PinCfg.Pinnum = 28; |
| frank26080115 | 0:bf7b9fba3924 | 190 | PINSEL_ConfigPin(&PinCfg); |
| frank26080115 | 0:bf7b9fba3924 | 191 | #elif (USEDI2CDEV == 2) |
| frank26080115 | 0:bf7b9fba3924 | 192 | PinCfg.Funcnum = 2; |
| frank26080115 | 0:bf7b9fba3924 | 193 | PinCfg.Pinnum = 10; |
| frank26080115 | 0:bf7b9fba3924 | 194 | PinCfg.Portnum = 0; |
| frank26080115 | 0:bf7b9fba3924 | 195 | PINSEL_ConfigPin(&PinCfg); |
| frank26080115 | 0:bf7b9fba3924 | 196 | PinCfg.Pinnum = 11; |
| frank26080115 | 0:bf7b9fba3924 | 197 | PINSEL_ConfigPin(&PinCfg); |
| frank26080115 | 0:bf7b9fba3924 | 198 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 199 | |
| frank26080115 | 0:bf7b9fba3924 | 200 | /* I2C block ------------------------------------------------------------------- */ |
| frank26080115 | 0:bf7b9fba3924 | 201 | // Initialize I2C peripheral |
| frank26080115 | 0:bf7b9fba3924 | 202 | I2C_Init(I2CDEV, 100000); |
| frank26080115 | 0:bf7b9fba3924 | 203 | |
| frank26080115 | 0:bf7b9fba3924 | 204 | /* Enable I2C1 operation */ |
| frank26080115 | 0:bf7b9fba3924 | 205 | I2C_Cmd(I2CDEV, ENABLE); |
| frank26080115 | 0:bf7b9fba3924 | 206 | |
| frank26080115 | 0:bf7b9fba3924 | 207 | // test |
| frank26080115 | 0:bf7b9fba3924 | 208 | complete = RESET; |
| frank26080115 | 0:bf7b9fba3924 | 209 | transferCfg.sl_addr7bit = SLVADDR; |
| frank26080115 | 0:bf7b9fba3924 | 210 | transferCfg.tx_data = NULL; |
| frank26080115 | 0:bf7b9fba3924 | 211 | transferCfg.tx_length = 0; |
| frank26080115 | 0:bf7b9fba3924 | 212 | transferCfg.rx_data = &SC16IS_RegStat; |
| frank26080115 | 0:bf7b9fba3924 | 213 | transferCfg.rx_length = 1; |
| frank26080115 | 0:bf7b9fba3924 | 214 | transferCfg.retransmissions_max = 2; |
| frank26080115 | 0:bf7b9fba3924 | 215 | I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_INTERRUPT); |
| frank26080115 | 0:bf7b9fba3924 | 216 | while (complete == RESET); |
| frank26080115 | 0:bf7b9fba3924 | 217 | |
| frank26080115 | 0:bf7b9fba3924 | 218 | /* Configure SC16IS750 ---------------------------------------------------------- */ |
| frank26080115 | 0:bf7b9fba3924 | 219 | /* First, send some command to reset SC16IS740 chip via I2C bus interface */ |
| frank26080115 | 0:bf7b9fba3924 | 220 | complete = RESET; |
| frank26080115 | 0:bf7b9fba3924 | 221 | transferCfg.sl_addr7bit = SLVADDR; |
| frank26080115 | 0:bf7b9fba3924 | 222 | transferCfg.tx_data = (uint8_t *)iocon_cfg; |
| frank26080115 | 0:bf7b9fba3924 | 223 | transferCfg.tx_length = sizeof(iocon_cfg); |
| frank26080115 | 0:bf7b9fba3924 | 224 | transferCfg.rx_data = NULL; |
| frank26080115 | 0:bf7b9fba3924 | 225 | transferCfg.rx_length = 0; |
| frank26080115 | 0:bf7b9fba3924 | 226 | transferCfg.retransmissions_max = 2; |
| frank26080115 | 0:bf7b9fba3924 | 227 | I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_INTERRUPT); |
| frank26080115 | 0:bf7b9fba3924 | 228 | while (complete == RESET); |
| frank26080115 | 0:bf7b9fba3924 | 229 | |
| frank26080115 | 0:bf7b9fba3924 | 230 | complete = RESET; |
| frank26080115 | 0:bf7b9fba3924 | 231 | transferCfg.sl_addr7bit = SLVADDR; |
| frank26080115 | 0:bf7b9fba3924 | 232 | transferCfg.tx_data = (uint8_t *)iodir_cfg; |
| frank26080115 | 0:bf7b9fba3924 | 233 | transferCfg.tx_length = sizeof(iodir_cfg); |
| frank26080115 | 0:bf7b9fba3924 | 234 | transferCfg.rx_data = NULL; |
| frank26080115 | 0:bf7b9fba3924 | 235 | transferCfg.rx_length = 0; |
| frank26080115 | 0:bf7b9fba3924 | 236 | transferCfg.retransmissions_max = 2; |
| frank26080115 | 0:bf7b9fba3924 | 237 | I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_INTERRUPT); |
| frank26080115 | 0:bf7b9fba3924 | 238 | while (complete == RESET); |
| frank26080115 | 0:bf7b9fba3924 | 239 | |
| frank26080115 | 0:bf7b9fba3924 | 240 | complete = RESET; |
| frank26080115 | 0:bf7b9fba3924 | 241 | transferCfg.sl_addr7bit = SLVADDR; |
| frank26080115 | 0:bf7b9fba3924 | 242 | transferCfg.tx_data = (uint8_t *)iostate_cfg_0; |
| frank26080115 | 0:bf7b9fba3924 | 243 | transferCfg.tx_length = sizeof(iostate_cfg_0); |
| frank26080115 | 0:bf7b9fba3924 | 244 | transferCfg.rx_data = NULL; |
| frank26080115 | 0:bf7b9fba3924 | 245 | transferCfg.rx_length = 0; |
| frank26080115 | 0:bf7b9fba3924 | 246 | transferCfg.retransmissions_max = 2; |
| frank26080115 | 0:bf7b9fba3924 | 247 | I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_INTERRUPT); |
| frank26080115 | 0:bf7b9fba3924 | 248 | while (complete == RESET); |
| frank26080115 | 0:bf7b9fba3924 | 249 | |
| frank26080115 | 0:bf7b9fba3924 | 250 | |
| frank26080115 | 0:bf7b9fba3924 | 251 | /* Validate value of SC16IS750 register ------------------------------------------ */ |
| frank26080115 | 0:bf7b9fba3924 | 252 | /* This section will dump out value of register that set through I2C bus */ |
| frank26080115 | 0:bf7b9fba3924 | 253 | complete = RESET; |
| frank26080115 | 0:bf7b9fba3924 | 254 | transferCfg.sl_addr7bit = SLVADDR; |
| frank26080115 | 0:bf7b9fba3924 | 255 | transferCfg.tx_data = NULL; //(uint8_t *)iocon_cfg; |
| frank26080115 | 0:bf7b9fba3924 | 256 | transferCfg.tx_length = 0;//1; |
| frank26080115 | 0:bf7b9fba3924 | 257 | transferCfg.rx_data = &SC16IS_RegStat; |
| frank26080115 | 0:bf7b9fba3924 | 258 | transferCfg.rx_length = 1; |
| frank26080115 | 0:bf7b9fba3924 | 259 | transferCfg.retransmissions_max = 2; |
| frank26080115 | 0:bf7b9fba3924 | 260 | I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_INTERRUPT); |
| frank26080115 | 0:bf7b9fba3924 | 261 | while (complete == RESET); |
| frank26080115 | 0:bf7b9fba3924 | 262 | |
| frank26080115 | 0:bf7b9fba3924 | 263 | complete = RESET; |
| frank26080115 | 0:bf7b9fba3924 | 264 | transferCfg.sl_addr7bit = SLVADDR; |
| frank26080115 | 0:bf7b9fba3924 | 265 | transferCfg.tx_data = (uint8_t *)iodir_cfg; |
| frank26080115 | 0:bf7b9fba3924 | 266 | transferCfg.tx_length = 1; |
| frank26080115 | 0:bf7b9fba3924 | 267 | transferCfg.rx_data = &SC16IS_RegStat; |
| frank26080115 | 0:bf7b9fba3924 | 268 | transferCfg.rx_length = 1; |
| frank26080115 | 0:bf7b9fba3924 | 269 | transferCfg.retransmissions_max = 2; |
| frank26080115 | 0:bf7b9fba3924 | 270 | I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_INTERRUPT); |
| frank26080115 | 0:bf7b9fba3924 | 271 | while (complete == RESET); |
| frank26080115 | 0:bf7b9fba3924 | 272 | |
| frank26080115 | 0:bf7b9fba3924 | 273 | complete = RESET; |
| frank26080115 | 0:bf7b9fba3924 | 274 | transferCfg.sl_addr7bit = SLVADDR; |
| frank26080115 | 0:bf7b9fba3924 | 275 | transferCfg.tx_data = (uint8_t *)iostate_cfg_0; |
| frank26080115 | 0:bf7b9fba3924 | 276 | transferCfg.tx_length = 1; |
| frank26080115 | 0:bf7b9fba3924 | 277 | transferCfg.rx_data = &SC16IS_RegStat; |
| frank26080115 | 0:bf7b9fba3924 | 278 | transferCfg.rx_length = 1; |
| frank26080115 | 0:bf7b9fba3924 | 279 | transferCfg.retransmissions_max = 2; |
| frank26080115 | 0:bf7b9fba3924 | 280 | I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_INTERRUPT); |
| frank26080115 | 0:bf7b9fba3924 | 281 | while (complete == RESET); |
| frank26080115 | 0:bf7b9fba3924 | 282 | |
| frank26080115 | 0:bf7b9fba3924 | 283 | |
| frank26080115 | 0:bf7b9fba3924 | 284 | // Reset exit flag |
| frank26080115 | 0:bf7b9fba3924 | 285 | exitflag = RESET; |
| frank26080115 | 0:bf7b9fba3924 | 286 | |
| frank26080115 | 0:bf7b9fba3924 | 287 | /* Read some data from the buffer */ |
| frank26080115 | 0:bf7b9fba3924 | 288 | while (exitflag == RESET){ |
| frank26080115 | 0:bf7b9fba3924 | 289 | |
| frank26080115 | 0:bf7b9fba3924 | 290 | while((tmpchar[0] = _DG) == 0); |
| frank26080115 | 0:bf7b9fba3924 | 291 | |
| frank26080115 | 0:bf7b9fba3924 | 292 | if (tmpchar[0] == 27){ |
| frank26080115 | 0:bf7b9fba3924 | 293 | /* ESC key, set exit flag */ |
| frank26080115 | 0:bf7b9fba3924 | 294 | _DBG_(menu2); |
| frank26080115 | 0:bf7b9fba3924 | 295 | exitflag = SET; |
| frank26080115 | 0:bf7b9fba3924 | 296 | } |
| frank26080115 | 0:bf7b9fba3924 | 297 | else if (tmpchar[0] == 'r'){ |
| frank26080115 | 0:bf7b9fba3924 | 298 | print_menu(); |
| frank26080115 | 0:bf7b9fba3924 | 299 | } |
| frank26080115 | 0:bf7b9fba3924 | 300 | else{ |
| frank26080115 | 0:bf7b9fba3924 | 301 | if (tmpchar[0] == '1'){ |
| frank26080115 | 0:bf7b9fba3924 | 302 | // LEDs are ON now... |
| frank26080115 | 0:bf7b9fba3924 | 303 | transferCfg.sl_addr7bit = SLVADDR; |
| frank26080115 | 0:bf7b9fba3924 | 304 | transferCfg.tx_data = (uint8_t *)iostate_cfg_0; |
| frank26080115 | 0:bf7b9fba3924 | 305 | transferCfg.tx_length = sizeof(iostate_cfg_0); |
| frank26080115 | 0:bf7b9fba3924 | 306 | transferCfg.rx_data = NULL; |
| frank26080115 | 0:bf7b9fba3924 | 307 | transferCfg.rx_length = 0; |
| frank26080115 | 0:bf7b9fba3924 | 308 | transferCfg.retransmissions_max = 2; |
| frank26080115 | 0:bf7b9fba3924 | 309 | if (I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_POLLING) \ |
| frank26080115 | 0:bf7b9fba3924 | 310 | == ERROR){ |
| frank26080115 | 0:bf7b9fba3924 | 311 | Error_Loop(transferCfg.status); |
| frank26080115 | 0:bf7b9fba3924 | 312 | } |
| frank26080115 | 0:bf7b9fba3924 | 313 | } |
| frank26080115 | 0:bf7b9fba3924 | 314 | else if (tmpchar[0] == '2') |
| frank26080115 | 0:bf7b9fba3924 | 315 | { |
| frank26080115 | 0:bf7b9fba3924 | 316 | // LEDs are OFF now... |
| frank26080115 | 0:bf7b9fba3924 | 317 | transferCfg.sl_addr7bit = SLVADDR; |
| frank26080115 | 0:bf7b9fba3924 | 318 | transferCfg.tx_data = (uint8_t *)iostate_cfg_1; |
| frank26080115 | 0:bf7b9fba3924 | 319 | transferCfg.tx_length = sizeof(iostate_cfg_1); |
| frank26080115 | 0:bf7b9fba3924 | 320 | transferCfg.rx_data = NULL; |
| frank26080115 | 0:bf7b9fba3924 | 321 | transferCfg.rx_length = 0; |
| frank26080115 | 0:bf7b9fba3924 | 322 | transferCfg.retransmissions_max = 2; |
| frank26080115 | 0:bf7b9fba3924 | 323 | if (I2C_MasterTransferData(I2CDEV, &transferCfg, I2C_TRANSFER_POLLING) \ |
| frank26080115 | 0:bf7b9fba3924 | 324 | == ERROR){ |
| frank26080115 | 0:bf7b9fba3924 | 325 | Error_Loop(transferCfg.status); |
| frank26080115 | 0:bf7b9fba3924 | 326 | } |
| frank26080115 | 0:bf7b9fba3924 | 327 | } |
| frank26080115 | 0:bf7b9fba3924 | 328 | /* Then Echo it back */ |
| frank26080115 | 0:bf7b9fba3924 | 329 | _DBG_(tmpchar); |
| frank26080115 | 0:bf7b9fba3924 | 330 | } |
| frank26080115 | 0:bf7b9fba3924 | 331 | } |
| frank26080115 | 0:bf7b9fba3924 | 332 | |
| frank26080115 | 0:bf7b9fba3924 | 333 | // wait for current transmission complete - THR must be empty |
| frank26080115 | 0:bf7b9fba3924 | 334 | while (UART_CheckBusy(LPC_UART0) == SET); |
| frank26080115 | 0:bf7b9fba3924 | 335 | |
| frank26080115 | 0:bf7b9fba3924 | 336 | // DeInitialize UART0 peripheral |
| frank26080115 | 0:bf7b9fba3924 | 337 | UART_DeInit(LPC_UART0); |
| frank26080115 | 0:bf7b9fba3924 | 338 | I2C_DeInit(I2CDEV); |
| frank26080115 | 0:bf7b9fba3924 | 339 | |
| frank26080115 | 0:bf7b9fba3924 | 340 | /* Loop forever */ |
| frank26080115 | 0:bf7b9fba3924 | 341 | while(1); |
| frank26080115 | 0:bf7b9fba3924 | 342 | return 1; |
| frank26080115 | 0:bf7b9fba3924 | 343 | } |
| frank26080115 | 0:bf7b9fba3924 | 344 | |
| frank26080115 | 0:bf7b9fba3924 | 345 | /* With ARM and GHS toolsets, the entry point is main() - this will |
| frank26080115 | 0:bf7b9fba3924 | 346 | allow the linker to generate wrapper code to setup stacks, allocate |
| frank26080115 | 0:bf7b9fba3924 | 347 | heap area, and initialize and copy code and data segments. For GNU |
| frank26080115 | 0:bf7b9fba3924 | 348 | toolsets, the entry point is through __start() in the crt0_gnu.asm |
| frank26080115 | 0:bf7b9fba3924 | 349 | file, and that startup code will setup stacks and data */ |
| frank26080115 | 0:bf7b9fba3924 | 350 | int main(void) |
| frank26080115 | 0:bf7b9fba3924 | 351 | { |
| frank26080115 | 0:bf7b9fba3924 | 352 | return c_entry(); |
| frank26080115 | 0:bf7b9fba3924 | 353 | } |
| frank26080115 | 0:bf7b9fba3924 | 354 | |
| frank26080115 | 0:bf7b9fba3924 | 355 | |
| frank26080115 | 0:bf7b9fba3924 | 356 | #ifdef DEBUG |
| frank26080115 | 0:bf7b9fba3924 | 357 | /******************************************************************************* |
| frank26080115 | 0:bf7b9fba3924 | 358 | * @brief Reports the name of the source file and the source line number |
| frank26080115 | 0:bf7b9fba3924 | 359 | * where the CHECK_PARAM error has occurred. |
| frank26080115 | 0:bf7b9fba3924 | 360 | * @param[in] file Pointer to the source file name |
| frank26080115 | 0:bf7b9fba3924 | 361 | * @param[in] line assert_param error line source number |
| frank26080115 | 0:bf7b9fba3924 | 362 | * @return None |
| frank26080115 | 0:bf7b9fba3924 | 363 | *******************************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 364 | void check_failed(uint8_t *file, uint32_t line) |
| frank26080115 | 0:bf7b9fba3924 | 365 | { |
| frank26080115 | 0:bf7b9fba3924 | 366 | /* User can add his own implementation to report the file name and line number, |
| frank26080115 | 0:bf7b9fba3924 | 367 | ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ |
| frank26080115 | 0:bf7b9fba3924 | 368 | |
| frank26080115 | 0:bf7b9fba3924 | 369 | /* Infinite loop */ |
| frank26080115 | 0:bf7b9fba3924 | 370 | while(1); |
| frank26080115 | 0:bf7b9fba3924 | 371 | } |
| frank26080115 | 0:bf7b9fba3924 | 372 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 373 | |
| frank26080115 | 0:bf7b9fba3924 | 374 | /* |
| frank26080115 | 0:bf7b9fba3924 | 375 | * @} |
| frank26080115 | 0:bf7b9fba3924 | 376 | */ |