Frank 26080115
These are the examples provided for [[/users/frank26080115/libraries/LPC1700CMSIS_Lib/]] Note, the entire "program" is not compilable!
SSP/MicroWire/microwire_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 microwire_test.c |
| frank26080115 | 0:bf7b9fba3924 | 3 | * @purpose This example describes how to use SPP peripheral in |
| frank26080115 | 0:bf7b9fba3924 | 4 | * MicroWire frame format. |
| frank26080115 | 0:bf7b9fba3924 | 5 | * @version 2.0 |
| frank26080115 | 0:bf7b9fba3924 | 6 | * @date 21. May. 2010 |
| frank26080115 | 0:bf7b9fba3924 | 7 | * @author NXP MCU SW Application Team |
| frank26080115 | 0:bf7b9fba3924 | 8 | *--------------------------------------------------------------------- |
| frank26080115 | 0:bf7b9fba3924 | 9 | * Software that is described herein is for illustrative purposes only |
| frank26080115 | 0:bf7b9fba3924 | 10 | * which provides customers with programming information regarding the |
| frank26080115 | 0:bf7b9fba3924 | 11 | * products. This software is supplied "AS IS" without any warranties. |
| frank26080115 | 0:bf7b9fba3924 | 12 | * NXP Semiconductors assumes no responsibility or liability for the |
| frank26080115 | 0:bf7b9fba3924 | 13 | * use of the software, conveys no license or title under any patent, |
| frank26080115 | 0:bf7b9fba3924 | 14 | * copyright, or mask work right to the product. NXP Semiconductors |
| frank26080115 | 0:bf7b9fba3924 | 15 | * reserves the right to make changes in the software without |
| frank26080115 | 0:bf7b9fba3924 | 16 | * notification. NXP Semiconductors also make no representation or |
| frank26080115 | 0:bf7b9fba3924 | 17 | * warranty that such application will be suitable for the specified |
| frank26080115 | 0:bf7b9fba3924 | 18 | * use without further testing or modification. |
| frank26080115 | 0:bf7b9fba3924 | 19 | **********************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 20 | #include "lpc17xx_ssp.h" |
| frank26080115 | 0:bf7b9fba3924 | 21 | #include "lpc17xx_libcfg.h" |
| frank26080115 | 0:bf7b9fba3924 | 22 | #include "lpc17xx_pinsel.h" |
| frank26080115 | 0:bf7b9fba3924 | 23 | #include "debug_frmwrk.h" |
| frank26080115 | 0:bf7b9fba3924 | 24 | #include "lpc17xx_pinsel.h" |
| frank26080115 | 0:bf7b9fba3924 | 25 | |
| frank26080115 | 0:bf7b9fba3924 | 26 | /* Example group ----------------------------------------------------------- */ |
| frank26080115 | 0:bf7b9fba3924 | 27 | /** @defgroup SSP_MicroWire MicroWire |
| frank26080115 | 0:bf7b9fba3924 | 28 | * @ingroup SSP_Examples |
| frank26080115 | 0:bf7b9fba3924 | 29 | * @{ |
| frank26080115 | 0:bf7b9fba3924 | 30 | */ |
| frank26080115 | 0:bf7b9fba3924 | 31 | |
| frank26080115 | 0:bf7b9fba3924 | 32 | /************************** PRIVATE DEFINTIONS *************************/ |
| frank26080115 | 0:bf7b9fba3924 | 33 | /* Idle char */ |
| frank26080115 | 0:bf7b9fba3924 | 34 | #define IDLE_CHAR 0xFF |
| frank26080115 | 0:bf7b9fba3924 | 35 | |
| frank26080115 | 0:bf7b9fba3924 | 36 | /** Used SSP device as master definition */ |
| frank26080115 | 0:bf7b9fba3924 | 37 | #define USEDSSPDEV_M 0 |
| frank26080115 | 0:bf7b9fba3924 | 38 | |
| frank26080115 | 0:bf7b9fba3924 | 39 | /** Used SSP device as slave definition */ |
| frank26080115 | 0:bf7b9fba3924 | 40 | #define USEDSSPDEV_S 1 |
| frank26080115 | 0:bf7b9fba3924 | 41 | |
| frank26080115 | 0:bf7b9fba3924 | 42 | /** Max buffer length */ |
| frank26080115 | 0:bf7b9fba3924 | 43 | #define BUFFER_SIZE 0x40 |
| frank26080115 | 0:bf7b9fba3924 | 44 | |
| frank26080115 | 0:bf7b9fba3924 | 45 | /* These macro below is used in MiroWire Frame Format. |
| frank26080115 | 0:bf7b9fba3924 | 46 | * Since master in MicroWire Frame Format must send a Operation Command |
| frank26080115 | 0:bf7b9fba3924 | 47 | * to slave before each transmission between master and slave |
| frank26080115 | 0:bf7b9fba3924 | 48 | */ |
| frank26080115 | 0:bf7b9fba3924 | 49 | /* Write command */ |
| frank26080115 | 0:bf7b9fba3924 | 50 | #define MicroWire_WR_CMD ((uint8_t)(0x00)) |
| frank26080115 | 0:bf7b9fba3924 | 51 | /* Read command */ |
| frank26080115 | 0:bf7b9fba3924 | 52 | #define MicroWire_RD_CMD ((uint8_t)(0x01)) |
| frank26080115 | 0:bf7b9fba3924 | 53 | |
| frank26080115 | 0:bf7b9fba3924 | 54 | |
| frank26080115 | 0:bf7b9fba3924 | 55 | #if (USEDSSPDEV_M == USEDSSPDEV_S) |
| frank26080115 | 0:bf7b9fba3924 | 56 | #error "Master and Slave SSP device are duplicated!" |
| frank26080115 | 0:bf7b9fba3924 | 57 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 58 | |
| frank26080115 | 0:bf7b9fba3924 | 59 | #if (USEDSSPDEV_M == 0) |
| frank26080115 | 0:bf7b9fba3924 | 60 | #define SSPDEV_M LPC_SSP0 |
| frank26080115 | 0:bf7b9fba3924 | 61 | #elif (USEDSSPDEV_M == 1) |
| frank26080115 | 0:bf7b9fba3924 | 62 | #define SSPDEV_M LPC_SSP1 |
| frank26080115 | 0:bf7b9fba3924 | 63 | #elif |
| frank26080115 | 0:bf7b9fba3924 | 64 | #error "Master SSP device not defined!" |
| frank26080115 | 0:bf7b9fba3924 | 65 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 66 | |
| frank26080115 | 0:bf7b9fba3924 | 67 | #if (USEDSSPDEV_S == 0) |
| frank26080115 | 0:bf7b9fba3924 | 68 | #define SSPDEV_S LPC_SSP0 |
| frank26080115 | 0:bf7b9fba3924 | 69 | #elif (USEDSSPDEV_S == 1) |
| frank26080115 | 0:bf7b9fba3924 | 70 | #define SSPDEV_S LPC_SSP1 |
| frank26080115 | 0:bf7b9fba3924 | 71 | #elif |
| frank26080115 | 0:bf7b9fba3924 | 72 | #error "Slave SSP device not defined!" |
| frank26080115 | 0:bf7b9fba3924 | 73 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 74 | |
| frank26080115 | 0:bf7b9fba3924 | 75 | /* These variable below are used in Master SSP -------------------- */ |
| frank26080115 | 0:bf7b9fba3924 | 76 | /* Read data pointer */ |
| frank26080115 | 0:bf7b9fba3924 | 77 | uint8_t *pRdBuf_M; |
| frank26080115 | 0:bf7b9fba3924 | 78 | /* Index of read data mode */ |
| frank26080115 | 0:bf7b9fba3924 | 79 | uint32_t RdIdx_M; |
| frank26080115 | 0:bf7b9fba3924 | 80 | /* Length of data */ |
| frank26080115 | 0:bf7b9fba3924 | 81 | uint32_t DatLen_M; |
| frank26080115 | 0:bf7b9fba3924 | 82 | /* Master Rx Buffer */ |
| frank26080115 | 0:bf7b9fba3924 | 83 | uint8_t Master_Rx_Buf[BUFFER_SIZE]; |
| frank26080115 | 0:bf7b9fba3924 | 84 | |
| frank26080115 | 0:bf7b9fba3924 | 85 | |
| frank26080115 | 0:bf7b9fba3924 | 86 | /* These variable below are used in Slave SSP -------------------- */ |
| frank26080115 | 0:bf7b9fba3924 | 87 | /* Write data pointer */ |
| frank26080115 | 0:bf7b9fba3924 | 88 | uint8_t *pWrBuf_S; |
| frank26080115 | 0:bf7b9fba3924 | 89 | /* Index of write data mode */ |
| frank26080115 | 0:bf7b9fba3924 | 90 | uint32_t WrIdx_S; |
| frank26080115 | 0:bf7b9fba3924 | 91 | /* Length of data */ |
| frank26080115 | 0:bf7b9fba3924 | 92 | uint32_t DatLen_S; |
| frank26080115 | 0:bf7b9fba3924 | 93 | /* Slave Tx Buffer */ |
| frank26080115 | 0:bf7b9fba3924 | 94 | uint8_t Slave_Tx_Buf[BUFFER_SIZE]; |
| frank26080115 | 0:bf7b9fba3924 | 95 | /* Last command */ |
| frank26080115 | 0:bf7b9fba3924 | 96 | uint8_t Last_cmd; |
| frank26080115 | 0:bf7b9fba3924 | 97 | |
| frank26080115 | 0:bf7b9fba3924 | 98 | /************************** PRIVATE VARIABLES *************************/ |
| frank26080115 | 0:bf7b9fba3924 | 99 | uint8_t menu1[] = |
| frank26080115 | 0:bf7b9fba3924 | 100 | "********************************************************************************\n\r" |
| frank26080115 | 0:bf7b9fba3924 | 101 | "Hello NXP Semiconductors \n\r" |
| frank26080115 | 0:bf7b9fba3924 | 102 | "SSP demo \n\r" |
| frank26080115 | 0:bf7b9fba3924 | 103 | "\t - MCU: LPC17xx \n\r" |
| frank26080115 | 0:bf7b9fba3924 | 104 | "\t - Core: ARM Cortex-M3 \n\r" |
| frank26080115 | 0:bf7b9fba3924 | 105 | "\t - Communicate via: UART0 - 115200 bps \n\r" |
| frank26080115 | 0:bf7b9fba3924 | 106 | " This example uses two SSP peripherals in MicroWire frame format \n\r" |
| frank26080115 | 0:bf7b9fba3924 | 107 | " \t one is set as master mode and the other is set as slave mode. \n\r" |
| frank26080115 | 0:bf7b9fba3924 | 108 | "\t The master and slave transfer a number of data bytes together \n\r" |
| frank26080115 | 0:bf7b9fba3924 | 109 | "\t in polling mode \n\r" |
| frank26080115 | 0:bf7b9fba3924 | 110 | "********************************************************************************\n\r"; |
| frank26080115 | 0:bf7b9fba3924 | 111 | |
| frank26080115 | 0:bf7b9fba3924 | 112 | // SSP Configuration structure variable |
| frank26080115 | 0:bf7b9fba3924 | 113 | SSP_CFG_Type SSP_ConfigStruct; |
| frank26080115 | 0:bf7b9fba3924 | 114 | |
| frank26080115 | 0:bf7b9fba3924 | 115 | /************************** PRIVATE FUNCTIONS *************************/ |
| frank26080115 | 0:bf7b9fba3924 | 116 | void ssp_MW_SendCMD(LPC_SSP_TypeDef *SSPx, uint8_t cmd); |
| frank26080115 | 0:bf7b9fba3924 | 117 | uint16_t ssp_MW_GetRSP(LPC_SSP_TypeDef *SSPx); |
| frank26080115 | 0:bf7b9fba3924 | 118 | uint8_t ssp_MW_GetCMD(LPC_SSP_TypeDef *SSPx); |
| frank26080115 | 0:bf7b9fba3924 | 119 | void ssp_MW_SendRSP(LPC_SSP_TypeDef *SSPx, uint16_t Rsp); |
| frank26080115 | 0:bf7b9fba3924 | 120 | void print_menu(void); |
| frank26080115 | 0:bf7b9fba3924 | 121 | void Buffer_Init(void); |
| frank26080115 | 0:bf7b9fba3924 | 122 | void Buffer_Verify(void); |
| frank26080115 | 0:bf7b9fba3924 | 123 | void Error_Loop(void); |
| frank26080115 | 0:bf7b9fba3924 | 124 | |
| frank26080115 | 0:bf7b9fba3924 | 125 | /*-------------------------PRIVATE FUNCTIONS------------------------------*/ |
| frank26080115 | 0:bf7b9fba3924 | 126 | /*********************************************************************//** |
| frank26080115 | 0:bf7b9fba3924 | 127 | * @brief Send command to slave in master mode |
| frank26080115 | 0:bf7b9fba3924 | 128 | * @param[in] None |
| frank26080115 | 0:bf7b9fba3924 | 129 | * @return None |
| frank26080115 | 0:bf7b9fba3924 | 130 | **********************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 131 | void ssp_MW_SendCMD(LPC_SSP_TypeDef *SSPx, uint8_t cmd) |
| frank26080115 | 0:bf7b9fba3924 | 132 | { |
| frank26080115 | 0:bf7b9fba3924 | 133 | // wait for current SSP activity complete |
| frank26080115 | 0:bf7b9fba3924 | 134 | while (SSP_GetStatus(SSPx, SSP_STAT_BUSY) == SET); |
| frank26080115 | 0:bf7b9fba3924 | 135 | |
| frank26080115 | 0:bf7b9fba3924 | 136 | SSP_SendData(SSPx, (uint16_t) cmd); |
| frank26080115 | 0:bf7b9fba3924 | 137 | } |
| frank26080115 | 0:bf7b9fba3924 | 138 | |
| frank26080115 | 0:bf7b9fba3924 | 139 | /*********************************************************************//** |
| frank26080115 | 0:bf7b9fba3924 | 140 | * @brief Get respond from slave after sending a command in master mode |
| frank26080115 | 0:bf7b9fba3924 | 141 | * @param[in] None |
| frank26080115 | 0:bf7b9fba3924 | 142 | * @return None |
| frank26080115 | 0:bf7b9fba3924 | 143 | **********************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 144 | uint16_t ssp_MW_GetRSP(LPC_SSP_TypeDef *SSPx) |
| frank26080115 | 0:bf7b9fba3924 | 145 | { |
| frank26080115 | 0:bf7b9fba3924 | 146 | while (SSP_GetStatus(SSPx, SSP_STAT_RXFIFO_NOTEMPTY) == RESET); |
| frank26080115 | 0:bf7b9fba3924 | 147 | return (SSP_ReceiveData(SSPx)); |
| frank26080115 | 0:bf7b9fba3924 | 148 | } |
| frank26080115 | 0:bf7b9fba3924 | 149 | |
| frank26080115 | 0:bf7b9fba3924 | 150 | /*********************************************************************//** |
| frank26080115 | 0:bf7b9fba3924 | 151 | * @brief Get command from master in slave mode |
| frank26080115 | 0:bf7b9fba3924 | 152 | * @param[in] None |
| frank26080115 | 0:bf7b9fba3924 | 153 | * @return None |
| frank26080115 | 0:bf7b9fba3924 | 154 | **********************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 155 | uint8_t ssp_MW_GetCMD(LPC_SSP_TypeDef *SSPx) |
| frank26080115 | 0:bf7b9fba3924 | 156 | { |
| frank26080115 | 0:bf7b9fba3924 | 157 | // Wait for coming CMD |
| frank26080115 | 0:bf7b9fba3924 | 158 | while (SSP_GetStatus(SSPx, SSP_STAT_RXFIFO_NOTEMPTY) == RESET); |
| frank26080115 | 0:bf7b9fba3924 | 159 | |
| frank26080115 | 0:bf7b9fba3924 | 160 | return ((uint8_t)(SSP_ReceiveData(SSPx))); |
| frank26080115 | 0:bf7b9fba3924 | 161 | } |
| frank26080115 | 0:bf7b9fba3924 | 162 | |
| frank26080115 | 0:bf7b9fba3924 | 163 | /*********************************************************************//** |
| frank26080115 | 0:bf7b9fba3924 | 164 | * @brief Send respond to master in slave mode |
| frank26080115 | 0:bf7b9fba3924 | 165 | * @param[in] None |
| frank26080115 | 0:bf7b9fba3924 | 166 | * @return None |
| frank26080115 | 0:bf7b9fba3924 | 167 | **********************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 168 | void ssp_MW_SendRSP(LPC_SSP_TypeDef *SSPx, uint16_t Rsp) |
| frank26080115 | 0:bf7b9fba3924 | 169 | { |
| frank26080115 | 0:bf7b9fba3924 | 170 | // wait for current SSP activity complete |
| frank26080115 | 0:bf7b9fba3924 | 171 | while (SSP_GetStatus(SSPx, SSP_STAT_BUSY) == SET); |
| frank26080115 | 0:bf7b9fba3924 | 172 | |
| frank26080115 | 0:bf7b9fba3924 | 173 | SSP_SendData(SSPx, Rsp); |
| frank26080115 | 0:bf7b9fba3924 | 174 | } |
| frank26080115 | 0:bf7b9fba3924 | 175 | |
| frank26080115 | 0:bf7b9fba3924 | 176 | /*********************************************************************//** |
| frank26080115 | 0:bf7b9fba3924 | 177 | * @brief Initialize buffer |
| frank26080115 | 0:bf7b9fba3924 | 178 | * @param[in] None |
| frank26080115 | 0:bf7b9fba3924 | 179 | * @return None |
| frank26080115 | 0:bf7b9fba3924 | 180 | **********************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 181 | void Buffer_Init(void) |
| frank26080115 | 0:bf7b9fba3924 | 182 | { |
| frank26080115 | 0:bf7b9fba3924 | 183 | uint8_t i; |
| frank26080115 | 0:bf7b9fba3924 | 184 | |
| frank26080115 | 0:bf7b9fba3924 | 185 | for (i = 0; i < BUFFER_SIZE; i++) { |
| frank26080115 | 0:bf7b9fba3924 | 186 | Slave_Tx_Buf[i] = i; |
| frank26080115 | 0:bf7b9fba3924 | 187 | Master_Rx_Buf[i] = 0; |
| frank26080115 | 0:bf7b9fba3924 | 188 | } |
| frank26080115 | 0:bf7b9fba3924 | 189 | |
| frank26080115 | 0:bf7b9fba3924 | 190 | } |
| frank26080115 | 0:bf7b9fba3924 | 191 | |
| frank26080115 | 0:bf7b9fba3924 | 192 | /*********************************************************************//** |
| frank26080115 | 0:bf7b9fba3924 | 193 | * @brief Verify buffer |
| frank26080115 | 0:bf7b9fba3924 | 194 | * @param[in] none |
| frank26080115 | 0:bf7b9fba3924 | 195 | * @return None |
| frank26080115 | 0:bf7b9fba3924 | 196 | **********************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 197 | void Buffer_Verify(void) |
| frank26080115 | 0:bf7b9fba3924 | 198 | { |
| frank26080115 | 0:bf7b9fba3924 | 199 | uint8_t i; |
| frank26080115 | 0:bf7b9fba3924 | 200 | uint8_t *pSTx = (uint8_t *) &Slave_Tx_Buf[0]; |
| frank26080115 | 0:bf7b9fba3924 | 201 | uint8_t *pMRx = (uint8_t *) &Master_Rx_Buf[0]; |
| frank26080115 | 0:bf7b9fba3924 | 202 | |
| frank26080115 | 0:bf7b9fba3924 | 203 | for ( i = 0; i < BUFFER_SIZE; i++ ) |
| frank26080115 | 0:bf7b9fba3924 | 204 | { |
| frank26080115 | 0:bf7b9fba3924 | 205 | if (*pMRx++ != *pSTx++) |
| frank26080115 | 0:bf7b9fba3924 | 206 | { |
| frank26080115 | 0:bf7b9fba3924 | 207 | /* Call Error Loop */ |
| frank26080115 | 0:bf7b9fba3924 | 208 | Error_Loop(); |
| frank26080115 | 0:bf7b9fba3924 | 209 | } |
| frank26080115 | 0:bf7b9fba3924 | 210 | } |
| frank26080115 | 0:bf7b9fba3924 | 211 | } |
| frank26080115 | 0:bf7b9fba3924 | 212 | |
| frank26080115 | 0:bf7b9fba3924 | 213 | /*********************************************************************//** |
| frank26080115 | 0:bf7b9fba3924 | 214 | * @brief Error Loop (called by Buffer_Verify() if any error) |
| frank26080115 | 0:bf7b9fba3924 | 215 | * @param[in] none |
| frank26080115 | 0:bf7b9fba3924 | 216 | * @return None |
| frank26080115 | 0:bf7b9fba3924 | 217 | **********************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 218 | void Error_Loop(void) |
| frank26080115 | 0:bf7b9fba3924 | 219 | { |
| frank26080115 | 0:bf7b9fba3924 | 220 | /* Loop forever */ |
| frank26080115 | 0:bf7b9fba3924 | 221 | _DBG_("Verify fail!\n\r"); |
| frank26080115 | 0:bf7b9fba3924 | 222 | while (1); |
| frank26080115 | 0:bf7b9fba3924 | 223 | } |
| frank26080115 | 0:bf7b9fba3924 | 224 | |
| frank26080115 | 0:bf7b9fba3924 | 225 | /*********************************************************************//** |
| frank26080115 | 0:bf7b9fba3924 | 226 | * @brief Print Welcome menu |
| frank26080115 | 0:bf7b9fba3924 | 227 | * @param[in] none |
| frank26080115 | 0:bf7b9fba3924 | 228 | * @return None |
| frank26080115 | 0:bf7b9fba3924 | 229 | **********************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 230 | void print_menu(void) |
| frank26080115 | 0:bf7b9fba3924 | 231 | { |
| frank26080115 | 0:bf7b9fba3924 | 232 | _DBG(menu1); |
| frank26080115 | 0:bf7b9fba3924 | 233 | } |
| frank26080115 | 0:bf7b9fba3924 | 234 | |
| frank26080115 | 0:bf7b9fba3924 | 235 | |
| frank26080115 | 0:bf7b9fba3924 | 236 | /*-------------------------MAIN FUNCTION------------------------------*/ |
| frank26080115 | 0:bf7b9fba3924 | 237 | /*********************************************************************//** |
| frank26080115 | 0:bf7b9fba3924 | 238 | * @brief c_entry: Main MICROWIRE program body |
| frank26080115 | 0:bf7b9fba3924 | 239 | * @param[in] None |
| frank26080115 | 0:bf7b9fba3924 | 240 | * @return int |
| frank26080115 | 0:bf7b9fba3924 | 241 | **********************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 242 | int c_entry(void) |
| frank26080115 | 0:bf7b9fba3924 | 243 | { |
| frank26080115 | 0:bf7b9fba3924 | 244 | uint32_t cnt; |
| frank26080115 | 0:bf7b9fba3924 | 245 | PINSEL_CFG_Type PinCfg; |
| frank26080115 | 0:bf7b9fba3924 | 246 | |
| frank26080115 | 0:bf7b9fba3924 | 247 | /* Initialize debug via UART0 |
| frank26080115 | 0:bf7b9fba3924 | 248 | * 115200bps |
| frank26080115 | 0:bf7b9fba3924 | 249 | * 8 data bit |
| frank26080115 | 0:bf7b9fba3924 | 250 | * No parity |
| frank26080115 | 0:bf7b9fba3924 | 251 | * 1 stop bit |
| frank26080115 | 0:bf7b9fba3924 | 252 | * No flow control |
| frank26080115 | 0:bf7b9fba3924 | 253 | */ |
| frank26080115 | 0:bf7b9fba3924 | 254 | debug_frmwrk_init(); |
| frank26080115 | 0:bf7b9fba3924 | 255 | |
| frank26080115 | 0:bf7b9fba3924 | 256 | // print welcome screen |
| frank26080115 | 0:bf7b9fba3924 | 257 | print_menu(); |
| frank26080115 | 0:bf7b9fba3924 | 258 | |
| frank26080115 | 0:bf7b9fba3924 | 259 | /* |
| frank26080115 | 0:bf7b9fba3924 | 260 | * Initialize SSP pin connect |
| frank26080115 | 0:bf7b9fba3924 | 261 | * P0.6 - SSEL1 |
| frank26080115 | 0:bf7b9fba3924 | 262 | * P0.7 - SCK1 |
| frank26080115 | 0:bf7b9fba3924 | 263 | * P0.8 - MISO1 |
| frank26080115 | 0:bf7b9fba3924 | 264 | * P0.9 - MOSI1 |
| frank26080115 | 0:bf7b9fba3924 | 265 | */ |
| frank26080115 | 0:bf7b9fba3924 | 266 | PinCfg.Funcnum = 2; |
| frank26080115 | 0:bf7b9fba3924 | 267 | PinCfg.OpenDrain = 0; |
| frank26080115 | 0:bf7b9fba3924 | 268 | PinCfg.Pinmode = 0; |
| frank26080115 | 0:bf7b9fba3924 | 269 | PinCfg.Portnum = 0; |
| frank26080115 | 0:bf7b9fba3924 | 270 | PinCfg.Pinnum = 6; |
| frank26080115 | 0:bf7b9fba3924 | 271 | PINSEL_ConfigPin(&PinCfg); |
| frank26080115 | 0:bf7b9fba3924 | 272 | PinCfg.Pinnum = 7; |
| frank26080115 | 0:bf7b9fba3924 | 273 | PINSEL_ConfigPin(&PinCfg); |
| frank26080115 | 0:bf7b9fba3924 | 274 | PinCfg.Pinnum = 8; |
| frank26080115 | 0:bf7b9fba3924 | 275 | PINSEL_ConfigPin(&PinCfg); |
| frank26080115 | 0:bf7b9fba3924 | 276 | PinCfg.Pinnum = 9; |
| frank26080115 | 0:bf7b9fba3924 | 277 | PINSEL_ConfigPin(&PinCfg); |
| frank26080115 | 0:bf7b9fba3924 | 278 | |
| frank26080115 | 0:bf7b9fba3924 | 279 | |
| frank26080115 | 0:bf7b9fba3924 | 280 | /* |
| frank26080115 | 0:bf7b9fba3924 | 281 | * Initialize SSP pin connect |
| frank26080115 | 0:bf7b9fba3924 | 282 | * P0.15 - SCK |
| frank26080115 | 0:bf7b9fba3924 | 283 | * P0.16 - SSEL |
| frank26080115 | 0:bf7b9fba3924 | 284 | * P0.17 - MISO |
| frank26080115 | 0:bf7b9fba3924 | 285 | * P0.18 - MOSI |
| frank26080115 | 0:bf7b9fba3924 | 286 | */ |
| frank26080115 | 0:bf7b9fba3924 | 287 | PinCfg.Funcnum = 2; |
| frank26080115 | 0:bf7b9fba3924 | 288 | PinCfg.OpenDrain = 0; |
| frank26080115 | 0:bf7b9fba3924 | 289 | PinCfg.Pinmode = 0; |
| frank26080115 | 0:bf7b9fba3924 | 290 | PinCfg.Portnum = 0; |
| frank26080115 | 0:bf7b9fba3924 | 291 | PinCfg.Pinnum = 15; |
| frank26080115 | 0:bf7b9fba3924 | 292 | PINSEL_ConfigPin(&PinCfg); |
| frank26080115 | 0:bf7b9fba3924 | 293 | PinCfg.Pinnum = 17; |
| frank26080115 | 0:bf7b9fba3924 | 294 | PINSEL_ConfigPin(&PinCfg); |
| frank26080115 | 0:bf7b9fba3924 | 295 | PinCfg.Pinnum = 18; |
| frank26080115 | 0:bf7b9fba3924 | 296 | PINSEL_ConfigPin(&PinCfg); |
| frank26080115 | 0:bf7b9fba3924 | 297 | PinCfg.Pinnum = 16; |
| frank26080115 | 0:bf7b9fba3924 | 298 | PINSEL_ConfigPin(&PinCfg); |
| frank26080115 | 0:bf7b9fba3924 | 299 | |
| frank26080115 | 0:bf7b9fba3924 | 300 | |
| frank26080115 | 0:bf7b9fba3924 | 301 | /* Initializing Master SSP device section ------------------------------------------- */ |
| frank26080115 | 0:bf7b9fba3924 | 302 | // initialize SSP configuration structure to default |
| frank26080115 | 0:bf7b9fba3924 | 303 | SSP_ConfigStructInit(&SSP_ConfigStruct); |
| frank26080115 | 0:bf7b9fba3924 | 304 | // Re-configure SSP to MicroWire frame format |
| frank26080115 | 0:bf7b9fba3924 | 305 | SSP_ConfigStruct.FrameFormat = SSP_FRAME_MICROWIRE; |
| frank26080115 | 0:bf7b9fba3924 | 306 | // Initialize SSP peripheral with parameter given in structure above |
| frank26080115 | 0:bf7b9fba3924 | 307 | SSP_Init(SSPDEV_M, &SSP_ConfigStruct); |
| frank26080115 | 0:bf7b9fba3924 | 308 | |
| frank26080115 | 0:bf7b9fba3924 | 309 | // Enable SSP peripheral |
| frank26080115 | 0:bf7b9fba3924 | 310 | SSP_Cmd(SSPDEV_M, ENABLE); |
| frank26080115 | 0:bf7b9fba3924 | 311 | |
| frank26080115 | 0:bf7b9fba3924 | 312 | |
| frank26080115 | 0:bf7b9fba3924 | 313 | /* Initializing Slave SSP device section ------------------------------------------- */ |
| frank26080115 | 0:bf7b9fba3924 | 314 | // initialize SSP configuration structure to default |
| frank26080115 | 0:bf7b9fba3924 | 315 | SSP_ConfigStructInit(&SSP_ConfigStruct); |
| frank26080115 | 0:bf7b9fba3924 | 316 | /* Re-configure mode for SSP device */ |
| frank26080115 | 0:bf7b9fba3924 | 317 | SSP_ConfigStruct.Mode = SSP_SLAVE_MODE; |
| frank26080115 | 0:bf7b9fba3924 | 318 | // Re-configure SSP to MicroWire frame format |
| frank26080115 | 0:bf7b9fba3924 | 319 | SSP_ConfigStruct.FrameFormat = SSP_FRAME_MICROWIRE; |
| frank26080115 | 0:bf7b9fba3924 | 320 | // Initialize SSP peripheral with parameter given in structure above |
| frank26080115 | 0:bf7b9fba3924 | 321 | SSP_Init(SSPDEV_S, &SSP_ConfigStruct); |
| frank26080115 | 0:bf7b9fba3924 | 322 | |
| frank26080115 | 0:bf7b9fba3924 | 323 | // Enable SSP peripheral |
| frank26080115 | 0:bf7b9fba3924 | 324 | SSP_Cmd(SSPDEV_S, ENABLE); |
| frank26080115 | 0:bf7b9fba3924 | 325 | |
| frank26080115 | 0:bf7b9fba3924 | 326 | |
| frank26080115 | 0:bf7b9fba3924 | 327 | /* Initializing Buffer section ------------------------------------------------- */ |
| frank26080115 | 0:bf7b9fba3924 | 328 | Buffer_Init(); |
| frank26080115 | 0:bf7b9fba3924 | 329 | |
| frank26080115 | 0:bf7b9fba3924 | 330 | /* Start Transmit/Receive between Master and Slave ----------------------------- */ |
| frank26080115 | 0:bf7b9fba3924 | 331 | pRdBuf_M = (uint8_t *)&Master_Rx_Buf[0]; |
| frank26080115 | 0:bf7b9fba3924 | 332 | RdIdx_M = 0; |
| frank26080115 | 0:bf7b9fba3924 | 333 | DatLen_M = BUFFER_SIZE; |
| frank26080115 | 0:bf7b9fba3924 | 334 | pWrBuf_S = (uint8_t *)&Slave_Tx_Buf[0]; |
| frank26080115 | 0:bf7b9fba3924 | 335 | WrIdx_S = 0; |
| frank26080115 | 0:bf7b9fba3924 | 336 | DatLen_S = BUFFER_SIZE; |
| frank26080115 | 0:bf7b9fba3924 | 337 | /* Force Last command to Read command as default */ |
| frank26080115 | 0:bf7b9fba3924 | 338 | Last_cmd = MicroWire_RD_CMD; |
| frank26080115 | 0:bf7b9fba3924 | 339 | |
| frank26080115 | 0:bf7b9fba3924 | 340 | /* Clear all remaining data in RX FIFO */ |
| frank26080115 | 0:bf7b9fba3924 | 341 | while (SSP_GetStatus(SSPDEV_M, SSP_STAT_RXFIFO_NOTEMPTY)) |
| frank26080115 | 0:bf7b9fba3924 | 342 | { |
| frank26080115 | 0:bf7b9fba3924 | 343 | SSP_ReceiveData(SSPDEV_M); |
| frank26080115 | 0:bf7b9fba3924 | 344 | } |
| frank26080115 | 0:bf7b9fba3924 | 345 | while (SSP_GetStatus(SSPDEV_S, SSP_STAT_RXFIFO_NOTEMPTY)) |
| frank26080115 | 0:bf7b9fba3924 | 346 | { |
| frank26080115 | 0:bf7b9fba3924 | 347 | SSP_ReceiveData(SSPDEV_S); |
| frank26080115 | 0:bf7b9fba3924 | 348 | } |
| frank26080115 | 0:bf7b9fba3924 | 349 | |
| frank26080115 | 0:bf7b9fba3924 | 350 | for (cnt = 0; cnt < BUFFER_SIZE; cnt++) |
| frank26080115 | 0:bf7b9fba3924 | 351 | { |
| frank26080115 | 0:bf7b9fba3924 | 352 | /* The slave must initialize data in FIFO for immediately transfer from master |
| frank26080115 | 0:bf7b9fba3924 | 353 | * due to last received command |
| frank26080115 | 0:bf7b9fba3924 | 354 | */ |
| frank26080115 | 0:bf7b9fba3924 | 355 | if (Last_cmd == MicroWire_RD_CMD) |
| frank26080115 | 0:bf7b9fba3924 | 356 | { |
| frank26080115 | 0:bf7b9fba3924 | 357 | // Then send the respond to master, this contains data |
| frank26080115 | 0:bf7b9fba3924 | 358 | ssp_MW_SendRSP(SSPDEV_S, (uint16_t) *(pWrBuf_S + WrIdx_S++)); |
| frank26080115 | 0:bf7b9fba3924 | 359 | } |
| frank26080115 | 0:bf7b9fba3924 | 360 | else |
| frank26080115 | 0:bf7b9fba3924 | 361 | { |
| frank26080115 | 0:bf7b9fba3924 | 362 | // Then send the respond to master, this contains data |
| frank26080115 | 0:bf7b9fba3924 | 363 | ssp_MW_SendRSP(SSPDEV_S, 0xFF); |
| frank26080115 | 0:bf7b9fba3924 | 364 | } |
| frank26080115 | 0:bf7b9fba3924 | 365 | /* Master must send a read command to slave, |
| frank26080115 | 0:bf7b9fba3924 | 366 | * the slave then respond with its data in FIFO |
| frank26080115 | 0:bf7b9fba3924 | 367 | */ |
| frank26080115 | 0:bf7b9fba3924 | 368 | ssp_MW_SendCMD(SSPDEV_M, MicroWire_RD_CMD); |
| frank26080115 | 0:bf7b9fba3924 | 369 | |
| frank26080115 | 0:bf7b9fba3924 | 370 | // Master receive respond |
| frank26080115 | 0:bf7b9fba3924 | 371 | *(pRdBuf_M + RdIdx_M++) = (uint8_t) ssp_MW_GetRSP(SSPDEV_M); |
| frank26080115 | 0:bf7b9fba3924 | 372 | |
| frank26080115 | 0:bf7b9fba3924 | 373 | // Re-assign Last command |
| frank26080115 | 0:bf7b9fba3924 | 374 | Last_cmd = ssp_MW_GetCMD(SSPDEV_S); |
| frank26080115 | 0:bf7b9fba3924 | 375 | } |
| frank26080115 | 0:bf7b9fba3924 | 376 | |
| frank26080115 | 0:bf7b9fba3924 | 377 | /* Verify buffer */ |
| frank26080115 | 0:bf7b9fba3924 | 378 | Buffer_Verify(); |
| frank26080115 | 0:bf7b9fba3924 | 379 | |
| frank26080115 | 0:bf7b9fba3924 | 380 | _DBG_("Verify success!\n\r"); |
| frank26080115 | 0:bf7b9fba3924 | 381 | |
| frank26080115 | 0:bf7b9fba3924 | 382 | /* Loop forever */ |
| frank26080115 | 0:bf7b9fba3924 | 383 | while(1); |
| frank26080115 | 0:bf7b9fba3924 | 384 | return 1; |
| frank26080115 | 0:bf7b9fba3924 | 385 | } |
| frank26080115 | 0:bf7b9fba3924 | 386 | |
| frank26080115 | 0:bf7b9fba3924 | 387 | /* With ARM and GHS toolsets, the entry point is main() - this will |
| frank26080115 | 0:bf7b9fba3924 | 388 | allow the linker to generate wrapper code to setup stacks, allocate |
| frank26080115 | 0:bf7b9fba3924 | 389 | heap area, and initialize and copy code and data segments. For GNU |
| frank26080115 | 0:bf7b9fba3924 | 390 | toolsets, the entry point is through __start() in the crt0_gnu.asm |
| frank26080115 | 0:bf7b9fba3924 | 391 | file, and that startup code will setup stacks and data */ |
| frank26080115 | 0:bf7b9fba3924 | 392 | int main(void) |
| frank26080115 | 0:bf7b9fba3924 | 393 | { |
| frank26080115 | 0:bf7b9fba3924 | 394 | return c_entry(); |
| frank26080115 | 0:bf7b9fba3924 | 395 | } |
| frank26080115 | 0:bf7b9fba3924 | 396 | |
| frank26080115 | 0:bf7b9fba3924 | 397 | |
| frank26080115 | 0:bf7b9fba3924 | 398 | #ifdef DEBUG |
| frank26080115 | 0:bf7b9fba3924 | 399 | /******************************************************************************* |
| frank26080115 | 0:bf7b9fba3924 | 400 | * @brief Reports the name of the source file and the source line number |
| frank26080115 | 0:bf7b9fba3924 | 401 | * where the CHECK_PARAM error has occurred. |
| frank26080115 | 0:bf7b9fba3924 | 402 | * @param[in] file Pointer to the source file name |
| frank26080115 | 0:bf7b9fba3924 | 403 | * @param[in] line assert_param error line source number |
| frank26080115 | 0:bf7b9fba3924 | 404 | * @return None |
| frank26080115 | 0:bf7b9fba3924 | 405 | *******************************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 406 | void check_failed(uint8_t *file, uint32_t line) |
| frank26080115 | 0:bf7b9fba3924 | 407 | { |
| frank26080115 | 0:bf7b9fba3924 | 408 | /* User can add his own implementation to report the file name and line number, |
| frank26080115 | 0:bf7b9fba3924 | 409 | ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ |
| frank26080115 | 0:bf7b9fba3924 | 410 | |
| frank26080115 | 0:bf7b9fba3924 | 411 | /* Infinite loop */ |
| frank26080115 | 0:bf7b9fba3924 | 412 | while(1); |
| frank26080115 | 0:bf7b9fba3924 | 413 | } |
| frank26080115 | 0:bf7b9fba3924 | 414 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 415 | |
| frank26080115 | 0:bf7b9fba3924 | 416 | /* |
| frank26080115 | 0:bf7b9fba3924 | 417 | * @} |
| frank26080115 | 0:bf7b9fba3924 | 418 | */ |