Frank 26080115
These are the examples provided for [[/users/frank26080115/libraries/LPC1700CMSIS_Lib/]] Note, the entire "program" is not compilable!
SSP/TI/ti_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 ti_test.c |
| frank26080115 | 0:bf7b9fba3924 | 3 | * @purpose This example describes how to use SPP using TI frame format |
| frank26080115 | 0:bf7b9fba3924 | 4 | * (interrupt mode) |
| 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 | |
| frank26080115 | 0:bf7b9fba3924 | 25 | /* Example group ----------------------------------------------------------- */ |
| frank26080115 | 0:bf7b9fba3924 | 26 | /** @defgroup SSP_TI TI |
| frank26080115 | 0:bf7b9fba3924 | 27 | * @ingroup SSP_Examples |
| frank26080115 | 0:bf7b9fba3924 | 28 | * @{ |
| frank26080115 | 0:bf7b9fba3924 | 29 | */ |
| frank26080115 | 0:bf7b9fba3924 | 30 | |
| frank26080115 | 0:bf7b9fba3924 | 31 | /************************** PRIVATE DEFINITIONS ***********************/ |
| frank26080115 | 0:bf7b9fba3924 | 32 | /* Idle char */ |
| frank26080115 | 0:bf7b9fba3924 | 33 | #define IDLE_CHAR 0xFF |
| frank26080115 | 0:bf7b9fba3924 | 34 | |
| frank26080115 | 0:bf7b9fba3924 | 35 | /** Used SSP device as master definition */ |
| frank26080115 | 0:bf7b9fba3924 | 36 | #define USEDSSPDEV_M 0 |
| frank26080115 | 0:bf7b9fba3924 | 37 | |
| frank26080115 | 0:bf7b9fba3924 | 38 | /** Used SSP device as slave definition */ |
| frank26080115 | 0:bf7b9fba3924 | 39 | #define USEDSSPDEV_S 1 |
| frank26080115 | 0:bf7b9fba3924 | 40 | |
| frank26080115 | 0:bf7b9fba3924 | 41 | /** Max buffer length */ |
| frank26080115 | 0:bf7b9fba3924 | 42 | #define BUFFER_SIZE 0x40 |
| frank26080115 | 0:bf7b9fba3924 | 43 | |
| frank26080115 | 0:bf7b9fba3924 | 44 | #if (USEDSSPDEV_M == USEDSSPDEV_S) |
| frank26080115 | 0:bf7b9fba3924 | 45 | #error "Master and Slave SSP device are duplicated!" |
| frank26080115 | 0:bf7b9fba3924 | 46 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 47 | |
| frank26080115 | 0:bf7b9fba3924 | 48 | #if (USEDSSPDEV_M == 0) |
| frank26080115 | 0:bf7b9fba3924 | 49 | #define SSPDEV_M LPC_SSP0 |
| frank26080115 | 0:bf7b9fba3924 | 50 | #elif (USEDSSPDEV_M == 1) |
| frank26080115 | 0:bf7b9fba3924 | 51 | #define SSPDEV_M LPC_SSP1 |
| frank26080115 | 0:bf7b9fba3924 | 52 | #elif |
| frank26080115 | 0:bf7b9fba3924 | 53 | #error "Master SSP device not defined!" |
| frank26080115 | 0:bf7b9fba3924 | 54 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 55 | |
| frank26080115 | 0:bf7b9fba3924 | 56 | #if (USEDSSPDEV_S == 0) |
| frank26080115 | 0:bf7b9fba3924 | 57 | #define SSPDEV_S LPC_SSP0 |
| frank26080115 | 0:bf7b9fba3924 | 58 | #elif (USEDSSPDEV_S == 1) |
| frank26080115 | 0:bf7b9fba3924 | 59 | #define SSPDEV_S LPC_SSP1 |
| frank26080115 | 0:bf7b9fba3924 | 60 | #elif |
| frank26080115 | 0:bf7b9fba3924 | 61 | #error "Slave SSP device not defined!" |
| frank26080115 | 0:bf7b9fba3924 | 62 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 63 | |
| frank26080115 | 0:bf7b9fba3924 | 64 | /************************** PRIVATE VARIABLES *************************/ |
| frank26080115 | 0:bf7b9fba3924 | 65 | uint8_t menu1[] = |
| frank26080115 | 0:bf7b9fba3924 | 66 | "********************************************************************************\n\r" |
| frank26080115 | 0:bf7b9fba3924 | 67 | "Hello NXP Semiconductors \n\r" |
| frank26080115 | 0:bf7b9fba3924 | 68 | "SSP demo \n\r" |
| frank26080115 | 0:bf7b9fba3924 | 69 | "\t - MCU: LPC17xx \n\r" |
| frank26080115 | 0:bf7b9fba3924 | 70 | "\t - Core: ARM Cortex-M3 \n\r" |
| frank26080115 | 0:bf7b9fba3924 | 71 | "\t - Communicate via: UART0 - 115.200 kbps \n\r" |
| frank26080115 | 0:bf7b9fba3924 | 72 | " This example uses two SSP peripherals in TI frame format \n\r" |
| frank26080115 | 0:bf7b9fba3924 | 73 | " \t one is set as master mode and the other is set as slave mode. \n\r" |
| frank26080115 | 0:bf7b9fba3924 | 74 | "\t The master and slave transfer a number of data bytes together \n\r" |
| frank26080115 | 0:bf7b9fba3924 | 75 | "\t in interrupt mode \n\r" |
| frank26080115 | 0:bf7b9fba3924 | 76 | "********************************************************************************\n\r"; |
| frank26080115 | 0:bf7b9fba3924 | 77 | uint8_t menu2[] = "Demo terminated! \n\r"; |
| frank26080115 | 0:bf7b9fba3924 | 78 | |
| frank26080115 | 0:bf7b9fba3924 | 79 | // SSP Configuration structure variable |
| frank26080115 | 0:bf7b9fba3924 | 80 | SSP_CFG_Type SSP_ConfigStruct; |
| frank26080115 | 0:bf7b9fba3924 | 81 | |
| frank26080115 | 0:bf7b9fba3924 | 82 | /* These variable below are used in Master SSP interrupt mode -------------------- */ |
| frank26080115 | 0:bf7b9fba3924 | 83 | /* Read data pointer */ |
| frank26080115 | 0:bf7b9fba3924 | 84 | uint8_t *pRdBuf_M; |
| frank26080115 | 0:bf7b9fba3924 | 85 | /* Write data pointer */ |
| frank26080115 | 0:bf7b9fba3924 | 86 | uint8_t *pWrBuf_M; |
| frank26080115 | 0:bf7b9fba3924 | 87 | /* Index of read data mode */ |
| frank26080115 | 0:bf7b9fba3924 | 88 | uint32_t RdIdx_M; |
| frank26080115 | 0:bf7b9fba3924 | 89 | /* Index of write data mode */ |
| frank26080115 | 0:bf7b9fba3924 | 90 | uint32_t WrIdx_M; |
| frank26080115 | 0:bf7b9fba3924 | 91 | /* Length of data */ |
| frank26080115 | 0:bf7b9fba3924 | 92 | uint32_t DatLen_M; |
| frank26080115 | 0:bf7b9fba3924 | 93 | /* Status Flag indicates current SSP transmission complete or not */ |
| frank26080115 | 0:bf7b9fba3924 | 94 | __IO Bool complete_M; |
| frank26080115 | 0:bf7b9fba3924 | 95 | /* Master Tx Buffer */ |
| frank26080115 | 0:bf7b9fba3924 | 96 | uint8_t Master_Tx_Buf[BUFFER_SIZE]; |
| frank26080115 | 0:bf7b9fba3924 | 97 | /* Master Rx Buffer */ |
| frank26080115 | 0:bf7b9fba3924 | 98 | uint8_t Master_Rx_Buf[BUFFER_SIZE]; |
| frank26080115 | 0:bf7b9fba3924 | 99 | |
| frank26080115 | 0:bf7b9fba3924 | 100 | |
| frank26080115 | 0:bf7b9fba3924 | 101 | /* These variable below are used in Slave SSP interrupt mode -------------------- */ |
| frank26080115 | 0:bf7b9fba3924 | 102 | /* Read data pointer */ |
| frank26080115 | 0:bf7b9fba3924 | 103 | uint8_t *pRdBuf_S; |
| frank26080115 | 0:bf7b9fba3924 | 104 | /* Write data pointer */ |
| frank26080115 | 0:bf7b9fba3924 | 105 | uint8_t *pWrBuf_S; |
| frank26080115 | 0:bf7b9fba3924 | 106 | /* Index of read data mode */ |
| frank26080115 | 0:bf7b9fba3924 | 107 | uint32_t RdIdx_S; |
| frank26080115 | 0:bf7b9fba3924 | 108 | /* Index of write data mode */ |
| frank26080115 | 0:bf7b9fba3924 | 109 | uint32_t WrIdx_S; |
| frank26080115 | 0:bf7b9fba3924 | 110 | /* Length of data */ |
| frank26080115 | 0:bf7b9fba3924 | 111 | uint32_t DatLen_S; |
| frank26080115 | 0:bf7b9fba3924 | 112 | /* Status Flag indicates current SSP transmission complete or not */ |
| frank26080115 | 0:bf7b9fba3924 | 113 | __IO Bool complete_S; |
| frank26080115 | 0:bf7b9fba3924 | 114 | /* Slave Tx Buffer */ |
| frank26080115 | 0:bf7b9fba3924 | 115 | uint8_t Slave_Tx_Buf[BUFFER_SIZE]; |
| frank26080115 | 0:bf7b9fba3924 | 116 | /* Slave Rx Buffer */ |
| frank26080115 | 0:bf7b9fba3924 | 117 | uint8_t Slave_Rx_Buf[BUFFER_SIZE]; |
| frank26080115 | 0:bf7b9fba3924 | 118 | |
| frank26080115 | 0:bf7b9fba3924 | 119 | |
| frank26080115 | 0:bf7b9fba3924 | 120 | /************************** PRIVATE FUNCTIONS *************************/ |
| frank26080115 | 0:bf7b9fba3924 | 121 | void SSP0_IRQHandler(void); |
| frank26080115 | 0:bf7b9fba3924 | 122 | void SSP1_IRQHandler(void); |
| frank26080115 | 0:bf7b9fba3924 | 123 | void ssp_Master_IntHandler(void); |
| frank26080115 | 0:bf7b9fba3924 | 124 | void ssp_Slave_IntHandler(void); |
| frank26080115 | 0:bf7b9fba3924 | 125 | |
| frank26080115 | 0:bf7b9fba3924 | 126 | int32_t ssp_MasterReadWrite (LPC_SSP_TypeDef *SSPx, |
| frank26080115 | 0:bf7b9fba3924 | 127 | void *rbuffer, |
| frank26080115 | 0:bf7b9fba3924 | 128 | void *wbuffer, |
| frank26080115 | 0:bf7b9fba3924 | 129 | uint32_t length); |
| frank26080115 | 0:bf7b9fba3924 | 130 | int32_t ssp_SlaveReadWrite (LPC_SSP_TypeDef *SSPx, |
| frank26080115 | 0:bf7b9fba3924 | 131 | void *rbuffer, |
| frank26080115 | 0:bf7b9fba3924 | 132 | void *wbuffer, |
| frank26080115 | 0:bf7b9fba3924 | 133 | uint32_t length); |
| frank26080115 | 0:bf7b9fba3924 | 134 | void print_menu(void); |
| frank26080115 | 0:bf7b9fba3924 | 135 | void Buffer_Init(void); |
| frank26080115 | 0:bf7b9fba3924 | 136 | void Buffer_Verify(void); |
| frank26080115 | 0:bf7b9fba3924 | 137 | void Error_Loop(void); |
| frank26080115 | 0:bf7b9fba3924 | 138 | |
| frank26080115 | 0:bf7b9fba3924 | 139 | /*----------------- INTERRUPT SERVICE ROUTINES --------------------------*/ |
| frank26080115 | 0:bf7b9fba3924 | 140 | /*********************************************************************//** |
| frank26080115 | 0:bf7b9fba3924 | 141 | * @brief SSP Master Interrupt sub-routine used for reading |
| frank26080115 | 0:bf7b9fba3924 | 142 | * and writing handler |
| frank26080115 | 0:bf7b9fba3924 | 143 | * @param None |
| frank26080115 | 0:bf7b9fba3924 | 144 | * @return None |
| frank26080115 | 0:bf7b9fba3924 | 145 | ***********************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 146 | void ssp_Master_IntHandler(void) |
| frank26080115 | 0:bf7b9fba3924 | 147 | { |
| frank26080115 | 0:bf7b9fba3924 | 148 | uint16_t tmp; |
| frank26080115 | 0:bf7b9fba3924 | 149 | |
| frank26080115 | 0:bf7b9fba3924 | 150 | /* Clear all interrupt */ |
| frank26080115 | 0:bf7b9fba3924 | 151 | SSP_ClearIntPending(SSPDEV_M, SSP_INTCLR_ROR); |
| frank26080115 | 0:bf7b9fba3924 | 152 | SSP_ClearIntPending(SSPDEV_M, SSP_INTCLR_RT); |
| frank26080115 | 0:bf7b9fba3924 | 153 | |
| frank26080115 | 0:bf7b9fba3924 | 154 | /* check if RX FIFO contains data */ |
| frank26080115 | 0:bf7b9fba3924 | 155 | while (SSP_GetStatus(SSPDEV_M, SSP_STAT_RXFIFO_NOTEMPTY) == SET) |
| frank26080115 | 0:bf7b9fba3924 | 156 | { |
| frank26080115 | 0:bf7b9fba3924 | 157 | tmp = SSP_ReceiveData(SSPDEV_M); |
| frank26080115 | 0:bf7b9fba3924 | 158 | if ((pRdBuf_M!= NULL) && (RdIdx_M < DatLen_M)) |
| frank26080115 | 0:bf7b9fba3924 | 159 | { |
| frank26080115 | 0:bf7b9fba3924 | 160 | *(pRdBuf_M + RdIdx_M) = (uint8_t) tmp; |
| frank26080115 | 0:bf7b9fba3924 | 161 | } |
| frank26080115 | 0:bf7b9fba3924 | 162 | RdIdx_M++; |
| frank26080115 | 0:bf7b9fba3924 | 163 | } |
| frank26080115 | 0:bf7b9fba3924 | 164 | |
| frank26080115 | 0:bf7b9fba3924 | 165 | /* Check if TX FIFO is not full */ |
| frank26080115 | 0:bf7b9fba3924 | 166 | while ((SSP_GetStatus(SSPDEV_M, SSP_STAT_TXFIFO_NOTFULL) == SET) |
| frank26080115 | 0:bf7b9fba3924 | 167 | && (WrIdx_M < DatLen_M)) |
| frank26080115 | 0:bf7b9fba3924 | 168 | { |
| frank26080115 | 0:bf7b9fba3924 | 169 | /* check if RX FIFO contains data */ |
| frank26080115 | 0:bf7b9fba3924 | 170 | while (SSP_GetStatus(SSPDEV_M, SSP_STAT_RXFIFO_NOTEMPTY) == SET) |
| frank26080115 | 0:bf7b9fba3924 | 171 | { |
| frank26080115 | 0:bf7b9fba3924 | 172 | tmp = SSP_ReceiveData(SSPDEV_M); |
| frank26080115 | 0:bf7b9fba3924 | 173 | if ((pRdBuf_M!= NULL) && (RdIdx_M < DatLen_M)) |
| frank26080115 | 0:bf7b9fba3924 | 174 | { |
| frank26080115 | 0:bf7b9fba3924 | 175 | *(pRdBuf_M + RdIdx_M) = (uint8_t) tmp; |
| frank26080115 | 0:bf7b9fba3924 | 176 | } |
| frank26080115 | 0:bf7b9fba3924 | 177 | RdIdx_M++; |
| frank26080115 | 0:bf7b9fba3924 | 178 | } |
| frank26080115 | 0:bf7b9fba3924 | 179 | |
| frank26080115 | 0:bf7b9fba3924 | 180 | if (pWrBuf_M != NULL) |
| frank26080115 | 0:bf7b9fba3924 | 181 | { |
| frank26080115 | 0:bf7b9fba3924 | 182 | SSP_SendData(SSPDEV_M, (uint16_t)(*(pWrBuf_M + WrIdx_M))); |
| frank26080115 | 0:bf7b9fba3924 | 183 | } |
| frank26080115 | 0:bf7b9fba3924 | 184 | else |
| frank26080115 | 0:bf7b9fba3924 | 185 | { |
| frank26080115 | 0:bf7b9fba3924 | 186 | SSP_SendData(SSPDEV_M, IDLE_CHAR); |
| frank26080115 | 0:bf7b9fba3924 | 187 | } |
| frank26080115 | 0:bf7b9fba3924 | 188 | WrIdx_M++; |
| frank26080115 | 0:bf7b9fba3924 | 189 | } |
| frank26080115 | 0:bf7b9fba3924 | 190 | |
| frank26080115 | 0:bf7b9fba3924 | 191 | /* There're more data to send */ |
| frank26080115 | 0:bf7b9fba3924 | 192 | if (WrIdx_M < DatLen_M) |
| frank26080115 | 0:bf7b9fba3924 | 193 | { |
| frank26080115 | 0:bf7b9fba3924 | 194 | SSP_IntConfig(SSPDEV_M, SSP_INTCFG_TX, ENABLE); |
| frank26080115 | 0:bf7b9fba3924 | 195 | } |
| frank26080115 | 0:bf7b9fba3924 | 196 | /* Otherwise */ |
| frank26080115 | 0:bf7b9fba3924 | 197 | else |
| frank26080115 | 0:bf7b9fba3924 | 198 | { |
| frank26080115 | 0:bf7b9fba3924 | 199 | SSP_IntConfig(SSPDEV_M, SSP_INTCFG_TX, DISABLE); |
| frank26080115 | 0:bf7b9fba3924 | 200 | } |
| frank26080115 | 0:bf7b9fba3924 | 201 | |
| frank26080115 | 0:bf7b9fba3924 | 202 | /* There're more data to receive */ |
| frank26080115 | 0:bf7b9fba3924 | 203 | if (RdIdx_M < DatLen_M) |
| frank26080115 | 0:bf7b9fba3924 | 204 | { |
| frank26080115 | 0:bf7b9fba3924 | 205 | SSP_IntConfig(SSPDEV_M, SSP_INTCFG_ROR, ENABLE); |
| frank26080115 | 0:bf7b9fba3924 | 206 | SSP_IntConfig(SSPDEV_M, SSP_INTCFG_RT, ENABLE); |
| frank26080115 | 0:bf7b9fba3924 | 207 | SSP_IntConfig(SSPDEV_M, SSP_INTCFG_RX, ENABLE); |
| frank26080115 | 0:bf7b9fba3924 | 208 | } |
| frank26080115 | 0:bf7b9fba3924 | 209 | /* Otherwise */ |
| frank26080115 | 0:bf7b9fba3924 | 210 | else |
| frank26080115 | 0:bf7b9fba3924 | 211 | { |
| frank26080115 | 0:bf7b9fba3924 | 212 | SSP_IntConfig(SSPDEV_M, SSP_INTCFG_ROR, DISABLE); |
| frank26080115 | 0:bf7b9fba3924 | 213 | SSP_IntConfig(SSPDEV_M, SSP_INTCFG_RT, DISABLE); |
| frank26080115 | 0:bf7b9fba3924 | 214 | SSP_IntConfig(SSPDEV_M, SSP_INTCFG_RX, DISABLE); |
| frank26080115 | 0:bf7b9fba3924 | 215 | } |
| frank26080115 | 0:bf7b9fba3924 | 216 | |
| frank26080115 | 0:bf7b9fba3924 | 217 | /* Set Flag if both Read and Write completed */ |
| frank26080115 | 0:bf7b9fba3924 | 218 | if ((WrIdx_M == DatLen_M) && (RdIdx_M == DatLen_M)) |
| frank26080115 | 0:bf7b9fba3924 | 219 | { |
| frank26080115 | 0:bf7b9fba3924 | 220 | complete_M = TRUE; |
| frank26080115 | 0:bf7b9fba3924 | 221 | } |
| frank26080115 | 0:bf7b9fba3924 | 222 | } |
| frank26080115 | 0:bf7b9fba3924 | 223 | |
| frank26080115 | 0:bf7b9fba3924 | 224 | |
| frank26080115 | 0:bf7b9fba3924 | 225 | |
| frank26080115 | 0:bf7b9fba3924 | 226 | /*********************************************************************//** |
| frank26080115 | 0:bf7b9fba3924 | 227 | * @brief SSP Slave Interrupt sub-routine used for reading |
| frank26080115 | 0:bf7b9fba3924 | 228 | * and writing handler |
| frank26080115 | 0:bf7b9fba3924 | 229 | * @param None |
| frank26080115 | 0:bf7b9fba3924 | 230 | * @return None |
| frank26080115 | 0:bf7b9fba3924 | 231 | ***********************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 232 | void ssp_Slave_IntHandler(void) |
| frank26080115 | 0:bf7b9fba3924 | 233 | { |
| frank26080115 | 0:bf7b9fba3924 | 234 | uint16_t tmp; |
| frank26080115 | 0:bf7b9fba3924 | 235 | |
| frank26080115 | 0:bf7b9fba3924 | 236 | /* Clear all interrupt */ |
| frank26080115 | 0:bf7b9fba3924 | 237 | SSP_ClearIntPending(SSPDEV_S, SSP_INTCLR_ROR); |
| frank26080115 | 0:bf7b9fba3924 | 238 | SSP_ClearIntPending(SSPDEV_S, SSP_INTCLR_RT); |
| frank26080115 | 0:bf7b9fba3924 | 239 | |
| frank26080115 | 0:bf7b9fba3924 | 240 | /* check if RX FIFO contains data */ |
| frank26080115 | 0:bf7b9fba3924 | 241 | while (SSP_GetStatus(SSPDEV_S, SSP_STAT_RXFIFO_NOTEMPTY) == SET) |
| frank26080115 | 0:bf7b9fba3924 | 242 | { |
| frank26080115 | 0:bf7b9fba3924 | 243 | tmp = SSP_ReceiveData(SSPDEV_S); |
| frank26080115 | 0:bf7b9fba3924 | 244 | if ((pRdBuf_S!= NULL) && (RdIdx_S < DatLen_S)) |
| frank26080115 | 0:bf7b9fba3924 | 245 | { |
| frank26080115 | 0:bf7b9fba3924 | 246 | *(pRdBuf_S + RdIdx_S) = (uint8_t) tmp; |
| frank26080115 | 0:bf7b9fba3924 | 247 | } |
| frank26080115 | 0:bf7b9fba3924 | 248 | RdIdx_S++; |
| frank26080115 | 0:bf7b9fba3924 | 249 | } |
| frank26080115 | 0:bf7b9fba3924 | 250 | |
| frank26080115 | 0:bf7b9fba3924 | 251 | /* Check if TX FIFO is not full */ |
| frank26080115 | 0:bf7b9fba3924 | 252 | while ((SSP_GetStatus(SSPDEV_S, SSP_STAT_TXFIFO_NOTFULL) == SET) |
| frank26080115 | 0:bf7b9fba3924 | 253 | && (WrIdx_S < DatLen_S)) |
| frank26080115 | 0:bf7b9fba3924 | 254 | { |
| frank26080115 | 0:bf7b9fba3924 | 255 | /* check if RX FIFO contains data */ |
| frank26080115 | 0:bf7b9fba3924 | 256 | while (SSP_GetStatus(SSPDEV_S, SSP_STAT_RXFIFO_NOTEMPTY) == SET) |
| frank26080115 | 0:bf7b9fba3924 | 257 | { |
| frank26080115 | 0:bf7b9fba3924 | 258 | tmp = SSP_ReceiveData(SSPDEV_S); |
| frank26080115 | 0:bf7b9fba3924 | 259 | if ((pRdBuf_S!= NULL) && (RdIdx_S < DatLen_S)) |
| frank26080115 | 0:bf7b9fba3924 | 260 | { |
| frank26080115 | 0:bf7b9fba3924 | 261 | *(pRdBuf_S + RdIdx_S) = (uint8_t) tmp; |
| frank26080115 | 0:bf7b9fba3924 | 262 | } |
| frank26080115 | 0:bf7b9fba3924 | 263 | RdIdx_S++; |
| frank26080115 | 0:bf7b9fba3924 | 264 | } |
| frank26080115 | 0:bf7b9fba3924 | 265 | |
| frank26080115 | 0:bf7b9fba3924 | 266 | if (pWrBuf_S != NULL) |
| frank26080115 | 0:bf7b9fba3924 | 267 | { |
| frank26080115 | 0:bf7b9fba3924 | 268 | SSP_SendData(SSPDEV_S, (uint16_t)(*(pWrBuf_S + WrIdx_S))); |
| frank26080115 | 0:bf7b9fba3924 | 269 | } |
| frank26080115 | 0:bf7b9fba3924 | 270 | else |
| frank26080115 | 0:bf7b9fba3924 | 271 | { |
| frank26080115 | 0:bf7b9fba3924 | 272 | SSP_SendData(SSPDEV_S, IDLE_CHAR); |
| frank26080115 | 0:bf7b9fba3924 | 273 | } |
| frank26080115 | 0:bf7b9fba3924 | 274 | WrIdx_S++; |
| frank26080115 | 0:bf7b9fba3924 | 275 | } |
| frank26080115 | 0:bf7b9fba3924 | 276 | |
| frank26080115 | 0:bf7b9fba3924 | 277 | /* There're more data to send */ |
| frank26080115 | 0:bf7b9fba3924 | 278 | if (WrIdx_S < DatLen_S) |
| frank26080115 | 0:bf7b9fba3924 | 279 | { |
| frank26080115 | 0:bf7b9fba3924 | 280 | SSP_IntConfig(SSPDEV_S, SSP_INTCFG_TX, ENABLE); |
| frank26080115 | 0:bf7b9fba3924 | 281 | } |
| frank26080115 | 0:bf7b9fba3924 | 282 | /* Otherwise */ |
| frank26080115 | 0:bf7b9fba3924 | 283 | else |
| frank26080115 | 0:bf7b9fba3924 | 284 | { |
| frank26080115 | 0:bf7b9fba3924 | 285 | SSP_IntConfig(SSPDEV_S, SSP_INTCFG_TX, DISABLE); |
| frank26080115 | 0:bf7b9fba3924 | 286 | } |
| frank26080115 | 0:bf7b9fba3924 | 287 | |
| frank26080115 | 0:bf7b9fba3924 | 288 | /* There're more data to receive */ |
| frank26080115 | 0:bf7b9fba3924 | 289 | if (RdIdx_S < DatLen_S) |
| frank26080115 | 0:bf7b9fba3924 | 290 | { |
| frank26080115 | 0:bf7b9fba3924 | 291 | SSP_IntConfig(SSPDEV_S, SSP_INTCFG_ROR, ENABLE); |
| frank26080115 | 0:bf7b9fba3924 | 292 | SSP_IntConfig(SSPDEV_S, SSP_INTCFG_RT, ENABLE); |
| frank26080115 | 0:bf7b9fba3924 | 293 | SSP_IntConfig(SSPDEV_S, SSP_INTCFG_RX, ENABLE); |
| frank26080115 | 0:bf7b9fba3924 | 294 | } |
| frank26080115 | 0:bf7b9fba3924 | 295 | /* Otherwise */ |
| frank26080115 | 0:bf7b9fba3924 | 296 | else |
| frank26080115 | 0:bf7b9fba3924 | 297 | { |
| frank26080115 | 0:bf7b9fba3924 | 298 | SSP_IntConfig(SSPDEV_S, SSP_INTCFG_ROR, DISABLE); |
| frank26080115 | 0:bf7b9fba3924 | 299 | SSP_IntConfig(SSPDEV_S, SSP_INTCFG_RT, DISABLE); |
| frank26080115 | 0:bf7b9fba3924 | 300 | SSP_IntConfig(SSPDEV_S, SSP_INTCFG_RX, DISABLE); |
| frank26080115 | 0:bf7b9fba3924 | 301 | } |
| frank26080115 | 0:bf7b9fba3924 | 302 | |
| frank26080115 | 0:bf7b9fba3924 | 303 | /* Set Flag if both Read and Write completed */ |
| frank26080115 | 0:bf7b9fba3924 | 304 | if ((WrIdx_S == DatLen_S) && (RdIdx_S == DatLen_S)) |
| frank26080115 | 0:bf7b9fba3924 | 305 | { |
| frank26080115 | 0:bf7b9fba3924 | 306 | complete_S = TRUE; |
| frank26080115 | 0:bf7b9fba3924 | 307 | } |
| frank26080115 | 0:bf7b9fba3924 | 308 | } |
| frank26080115 | 0:bf7b9fba3924 | 309 | |
| frank26080115 | 0:bf7b9fba3924 | 310 | |
| frank26080115 | 0:bf7b9fba3924 | 311 | /*********************************************************************//** |
| frank26080115 | 0:bf7b9fba3924 | 312 | * @brief SSP0 Interrupt used for reading and writing handler |
| frank26080115 | 0:bf7b9fba3924 | 313 | * @param None |
| frank26080115 | 0:bf7b9fba3924 | 314 | * @return None |
| frank26080115 | 0:bf7b9fba3924 | 315 | ***********************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 316 | void SSP0_IRQHandler(void) |
| frank26080115 | 0:bf7b9fba3924 | 317 | { |
| frank26080115 | 0:bf7b9fba3924 | 318 | #if (USEDSSPDEV_M == 0) |
| frank26080115 | 0:bf7b9fba3924 | 319 | ssp_Master_IntHandler(); |
| frank26080115 | 0:bf7b9fba3924 | 320 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 321 | |
| frank26080115 | 0:bf7b9fba3924 | 322 | #if (USEDSSPDEV_S == 0) |
| frank26080115 | 0:bf7b9fba3924 | 323 | ssp_Slave_IntHandler(); |
| frank26080115 | 0:bf7b9fba3924 | 324 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 325 | } |
| frank26080115 | 0:bf7b9fba3924 | 326 | |
| frank26080115 | 0:bf7b9fba3924 | 327 | /*********************************************************************//** |
| frank26080115 | 0:bf7b9fba3924 | 328 | * @brief SSP1 Interrupt used for reading and writing handler |
| frank26080115 | 0:bf7b9fba3924 | 329 | * @param None |
| frank26080115 | 0:bf7b9fba3924 | 330 | * @return None |
| frank26080115 | 0:bf7b9fba3924 | 331 | ***********************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 332 | void SSP1_IRQHandler(void) |
| frank26080115 | 0:bf7b9fba3924 | 333 | { |
| frank26080115 | 0:bf7b9fba3924 | 334 | #if (USEDSSPDEV_M == 1) |
| frank26080115 | 0:bf7b9fba3924 | 335 | ssp_Master_IntHandler(); |
| frank26080115 | 0:bf7b9fba3924 | 336 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 337 | |
| frank26080115 | 0:bf7b9fba3924 | 338 | #if (USEDSSPDEV_S == 1) |
| frank26080115 | 0:bf7b9fba3924 | 339 | ssp_Slave_IntHandler(); |
| frank26080115 | 0:bf7b9fba3924 | 340 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 341 | } |
| frank26080115 | 0:bf7b9fba3924 | 342 | |
| frank26080115 | 0:bf7b9fba3924 | 343 | |
| frank26080115 | 0:bf7b9fba3924 | 344 | /*-------------------------PRIVATE FUNCTIONS------------------------------*/ |
| frank26080115 | 0:bf7b9fba3924 | 345 | /*********************************************************************//** |
| frank26080115 | 0:bf7b9fba3924 | 346 | * @brief SSP Read write in polling mode function (Master mode) |
| frank26080115 | 0:bf7b9fba3924 | 347 | * @param[in] SSPdev: Pointer to SSP device |
| frank26080115 | 0:bf7b9fba3924 | 348 | * @param[out] rbuffer: pointer to read buffer |
| frank26080115 | 0:bf7b9fba3924 | 349 | * @param[in] wbuffer: pointer to write buffer |
| frank26080115 | 0:bf7b9fba3924 | 350 | * @param[in] length: length of data to read and write |
| frank26080115 | 0:bf7b9fba3924 | 351 | * @return 0 if there no data to send, otherwise return 1 |
| frank26080115 | 0:bf7b9fba3924 | 352 | ***********************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 353 | int32_t ssp_MasterReadWrite (LPC_SSP_TypeDef *SSPx, |
| frank26080115 | 0:bf7b9fba3924 | 354 | void *rbuffer, |
| frank26080115 | 0:bf7b9fba3924 | 355 | void *wbuffer, |
| frank26080115 | 0:bf7b9fba3924 | 356 | uint32_t length) |
| frank26080115 | 0:bf7b9fba3924 | 357 | { |
| frank26080115 | 0:bf7b9fba3924 | 358 | uint16_t tmp; |
| frank26080115 | 0:bf7b9fba3924 | 359 | pRdBuf_M = (uint8_t *) rbuffer; |
| frank26080115 | 0:bf7b9fba3924 | 360 | pWrBuf_M = (uint8_t *) wbuffer; |
| frank26080115 | 0:bf7b9fba3924 | 361 | DatLen_M = length; |
| frank26080115 | 0:bf7b9fba3924 | 362 | RdIdx_M = 0; |
| frank26080115 | 0:bf7b9fba3924 | 363 | WrIdx_M = 0; |
| frank26080115 | 0:bf7b9fba3924 | 364 | |
| frank26080115 | 0:bf7b9fba3924 | 365 | // wait for current SSP activity complete |
| frank26080115 | 0:bf7b9fba3924 | 366 | while (SSP_GetStatus(SSPx, SSP_STAT_BUSY)); |
| frank26080115 | 0:bf7b9fba3924 | 367 | |
| frank26080115 | 0:bf7b9fba3924 | 368 | /* Clear all remaining data in RX FIFO */ |
| frank26080115 | 0:bf7b9fba3924 | 369 | while (SSP_GetStatus(SSPx, SSP_STAT_RXFIFO_NOTEMPTY)) |
| frank26080115 | 0:bf7b9fba3924 | 370 | { |
| frank26080115 | 0:bf7b9fba3924 | 371 | tmp = SSP_ReceiveData(SSPx); |
| frank26080115 | 0:bf7b9fba3924 | 372 | } |
| frank26080115 | 0:bf7b9fba3924 | 373 | |
| frank26080115 | 0:bf7b9fba3924 | 374 | #if (USEDSSPDEV_M == 0) |
| frank26080115 | 0:bf7b9fba3924 | 375 | if (length != 0) |
| frank26080115 | 0:bf7b9fba3924 | 376 | { |
| frank26080115 | 0:bf7b9fba3924 | 377 | SSP0_IRQHandler(); |
| frank26080115 | 0:bf7b9fba3924 | 378 | } |
| frank26080115 | 0:bf7b9fba3924 | 379 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 380 | #if (USEDSSPDEV_M == 1) |
| frank26080115 | 0:bf7b9fba3924 | 381 | if (length != 0) |
| frank26080115 | 0:bf7b9fba3924 | 382 | { |
| frank26080115 | 0:bf7b9fba3924 | 383 | SSP1_IRQHandler(); |
| frank26080115 | 0:bf7b9fba3924 | 384 | } |
| frank26080115 | 0:bf7b9fba3924 | 385 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 386 | |
| frank26080115 | 0:bf7b9fba3924 | 387 | // Return 0 |
| frank26080115 | 0:bf7b9fba3924 | 388 | return 0; |
| frank26080115 | 0:bf7b9fba3924 | 389 | } |
| frank26080115 | 0:bf7b9fba3924 | 390 | |
| frank26080115 | 0:bf7b9fba3924 | 391 | /*********************************************************************//** |
| frank26080115 | 0:bf7b9fba3924 | 392 | * @brief SSP Read write in polling mode function (Slave mode) |
| frank26080115 | 0:bf7b9fba3924 | 393 | * @param[in] SSPdev: Pointer to SSP device |
| frank26080115 | 0:bf7b9fba3924 | 394 | * @param[out] rbuffer: pointer to read buffer |
| frank26080115 | 0:bf7b9fba3924 | 395 | * @param[in] wbuffer: pointer to write buffer |
| frank26080115 | 0:bf7b9fba3924 | 396 | * @param[in] length: length of data to read and write |
| frank26080115 | 0:bf7b9fba3924 | 397 | * @return 0 if there no data to send, otherwise return 1 |
| frank26080115 | 0:bf7b9fba3924 | 398 | ***********************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 399 | int32_t ssp_SlaveReadWrite (LPC_SSP_TypeDef *SSPx, |
| frank26080115 | 0:bf7b9fba3924 | 400 | void *rbuffer, |
| frank26080115 | 0:bf7b9fba3924 | 401 | void *wbuffer, |
| frank26080115 | 0:bf7b9fba3924 | 402 | uint32_t length) |
| frank26080115 | 0:bf7b9fba3924 | 403 | { |
| frank26080115 | 0:bf7b9fba3924 | 404 | uint16_t tmp; |
| frank26080115 | 0:bf7b9fba3924 | 405 | pRdBuf_S = (uint8_t *) rbuffer; |
| frank26080115 | 0:bf7b9fba3924 | 406 | pWrBuf_S = (uint8_t *) wbuffer; |
| frank26080115 | 0:bf7b9fba3924 | 407 | DatLen_S = length; |
| frank26080115 | 0:bf7b9fba3924 | 408 | RdIdx_S = 0; |
| frank26080115 | 0:bf7b9fba3924 | 409 | WrIdx_S = 0; |
| frank26080115 | 0:bf7b9fba3924 | 410 | |
| frank26080115 | 0:bf7b9fba3924 | 411 | // wait for current SSP activity complete |
| frank26080115 | 0:bf7b9fba3924 | 412 | while (SSP_GetStatus(SSPx, SSP_STAT_BUSY)) |
| frank26080115 | 0:bf7b9fba3924 | 413 | { |
| frank26080115 | 0:bf7b9fba3924 | 414 | tmp = SSP_ReceiveData(SSPx); |
| frank26080115 | 0:bf7b9fba3924 | 415 | } |
| frank26080115 | 0:bf7b9fba3924 | 416 | |
| frank26080115 | 0:bf7b9fba3924 | 417 | /* Clear all remaining data in RX FIFO */ |
| frank26080115 | 0:bf7b9fba3924 | 418 | while (SSP_GetStatus(SSPx, SSP_STAT_RXFIFO_NOTEMPTY)) |
| frank26080115 | 0:bf7b9fba3924 | 419 | { |
| frank26080115 | 0:bf7b9fba3924 | 420 | tmp = SSP_ReceiveData(SSPx); |
| frank26080115 | 0:bf7b9fba3924 | 421 | } |
| frank26080115 | 0:bf7b9fba3924 | 422 | #if (USEDSSPDEV_S == 0) |
| frank26080115 | 0:bf7b9fba3924 | 423 | if (length != 0) |
| frank26080115 | 0:bf7b9fba3924 | 424 | { |
| frank26080115 | 0:bf7b9fba3924 | 425 | SSP0_IRQHandler(); |
| frank26080115 | 0:bf7b9fba3924 | 426 | } |
| frank26080115 | 0:bf7b9fba3924 | 427 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 428 | #if (USEDSSPDEV_S == 1) |
| frank26080115 | 0:bf7b9fba3924 | 429 | if (length != 0) |
| frank26080115 | 0:bf7b9fba3924 | 430 | { |
| frank26080115 | 0:bf7b9fba3924 | 431 | SSP1_IRQHandler(); |
| frank26080115 | 0:bf7b9fba3924 | 432 | } |
| frank26080115 | 0:bf7b9fba3924 | 433 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 434 | |
| frank26080115 | 0:bf7b9fba3924 | 435 | // Return 0 |
| frank26080115 | 0:bf7b9fba3924 | 436 | return 0; |
| frank26080115 | 0:bf7b9fba3924 | 437 | } |
| frank26080115 | 0:bf7b9fba3924 | 438 | |
| frank26080115 | 0:bf7b9fba3924 | 439 | |
| frank26080115 | 0:bf7b9fba3924 | 440 | /*********************************************************************//** |
| frank26080115 | 0:bf7b9fba3924 | 441 | * @brief Initialize buffer |
| frank26080115 | 0:bf7b9fba3924 | 442 | * @param[in] None |
| frank26080115 | 0:bf7b9fba3924 | 443 | * @return None |
| frank26080115 | 0:bf7b9fba3924 | 444 | **********************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 445 | void Buffer_Init(void) |
| frank26080115 | 0:bf7b9fba3924 | 446 | { |
| frank26080115 | 0:bf7b9fba3924 | 447 | uint8_t i; |
| frank26080115 | 0:bf7b9fba3924 | 448 | |
| frank26080115 | 0:bf7b9fba3924 | 449 | for (i = 0; i < BUFFER_SIZE; i++) { |
| frank26080115 | 0:bf7b9fba3924 | 450 | Master_Tx_Buf[i] = i; |
| frank26080115 | 0:bf7b9fba3924 | 451 | Slave_Tx_Buf[i] = i; |
| frank26080115 | 0:bf7b9fba3924 | 452 | Master_Rx_Buf[i] = 0; |
| frank26080115 | 0:bf7b9fba3924 | 453 | Slave_Rx_Buf[i] = 0; |
| frank26080115 | 0:bf7b9fba3924 | 454 | } |
| frank26080115 | 0:bf7b9fba3924 | 455 | |
| frank26080115 | 0:bf7b9fba3924 | 456 | } |
| frank26080115 | 0:bf7b9fba3924 | 457 | |
| frank26080115 | 0:bf7b9fba3924 | 458 | /*********************************************************************//** |
| frank26080115 | 0:bf7b9fba3924 | 459 | * @brief Verify buffer |
| frank26080115 | 0:bf7b9fba3924 | 460 | * @param[in] none |
| frank26080115 | 0:bf7b9fba3924 | 461 | * @return None |
| frank26080115 | 0:bf7b9fba3924 | 462 | **********************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 463 | void Buffer_Verify(void) |
| frank26080115 | 0:bf7b9fba3924 | 464 | { |
| frank26080115 | 0:bf7b9fba3924 | 465 | uint8_t i; |
| frank26080115 | 0:bf7b9fba3924 | 466 | uint8_t *pMTx = (uint8_t *) &Master_Tx_Buf[0]; |
| frank26080115 | 0:bf7b9fba3924 | 467 | uint8_t *pSTx = (uint8_t *) &Slave_Tx_Buf[0]; |
| frank26080115 | 0:bf7b9fba3924 | 468 | uint8_t *pMRx = (uint8_t *) &Master_Rx_Buf[0]; |
| frank26080115 | 0:bf7b9fba3924 | 469 | uint8_t *pSRx = (uint8_t *) &Slave_Rx_Buf[0]; |
| frank26080115 | 0:bf7b9fba3924 | 470 | |
| frank26080115 | 0:bf7b9fba3924 | 471 | for ( i = 0; i < BUFFER_SIZE; i++ ) |
| frank26080115 | 0:bf7b9fba3924 | 472 | { |
| frank26080115 | 0:bf7b9fba3924 | 473 | if ((*pSRx++ != *pMTx++) || (*pMRx++ != *pSTx++)) |
| frank26080115 | 0:bf7b9fba3924 | 474 | { |
| frank26080115 | 0:bf7b9fba3924 | 475 | /* Call Error Loop */ |
| frank26080115 | 0:bf7b9fba3924 | 476 | Error_Loop(); |
| frank26080115 | 0:bf7b9fba3924 | 477 | } |
| frank26080115 | 0:bf7b9fba3924 | 478 | } |
| frank26080115 | 0:bf7b9fba3924 | 479 | } |
| frank26080115 | 0:bf7b9fba3924 | 480 | |
| frank26080115 | 0:bf7b9fba3924 | 481 | /*********************************************************************//** |
| frank26080115 | 0:bf7b9fba3924 | 482 | * @brief Error Loop (called by Buffer_Verify() if any error) |
| frank26080115 | 0:bf7b9fba3924 | 483 | * @param[in] none |
| frank26080115 | 0:bf7b9fba3924 | 484 | * @return None |
| frank26080115 | 0:bf7b9fba3924 | 485 | **********************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 486 | void Error_Loop(void) |
| frank26080115 | 0:bf7b9fba3924 | 487 | { |
| frank26080115 | 0:bf7b9fba3924 | 488 | /* Loop forever */ |
| frank26080115 | 0:bf7b9fba3924 | 489 | _DBG_("Verify fail!\n\r"); |
| frank26080115 | 0:bf7b9fba3924 | 490 | while (1); |
| frank26080115 | 0:bf7b9fba3924 | 491 | } |
| frank26080115 | 0:bf7b9fba3924 | 492 | |
| frank26080115 | 0:bf7b9fba3924 | 493 | |
| frank26080115 | 0:bf7b9fba3924 | 494 | /*********************************************************************//** |
| frank26080115 | 0:bf7b9fba3924 | 495 | * @brief Print Welcome menu |
| frank26080115 | 0:bf7b9fba3924 | 496 | * @param[in] none |
| frank26080115 | 0:bf7b9fba3924 | 497 | * @return None |
| frank26080115 | 0:bf7b9fba3924 | 498 | **********************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 499 | void print_menu(void) |
| frank26080115 | 0:bf7b9fba3924 | 500 | { |
| frank26080115 | 0:bf7b9fba3924 | 501 | _DBG(menu1); |
| frank26080115 | 0:bf7b9fba3924 | 502 | } |
| frank26080115 | 0:bf7b9fba3924 | 503 | |
| frank26080115 | 0:bf7b9fba3924 | 504 | |
| frank26080115 | 0:bf7b9fba3924 | 505 | /*-------------------------MAIN FUNCTION------------------------------*/ |
| frank26080115 | 0:bf7b9fba3924 | 506 | /*********************************************************************//** |
| frank26080115 | 0:bf7b9fba3924 | 507 | * @brief c_entry: Main TI program body |
| frank26080115 | 0:bf7b9fba3924 | 508 | * @param[in] None |
| frank26080115 | 0:bf7b9fba3924 | 509 | * @return int |
| frank26080115 | 0:bf7b9fba3924 | 510 | **********************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 511 | int c_entry(void) |
| frank26080115 | 0:bf7b9fba3924 | 512 | { |
| frank26080115 | 0:bf7b9fba3924 | 513 | PINSEL_CFG_Type PinCfg; |
| frank26080115 | 0:bf7b9fba3924 | 514 | |
| frank26080115 | 0:bf7b9fba3924 | 515 | /* Initialize debug via UART0 |
| frank26080115 | 0:bf7b9fba3924 | 516 | * 115200bps |
| frank26080115 | 0:bf7b9fba3924 | 517 | * 8 data bit |
| frank26080115 | 0:bf7b9fba3924 | 518 | * No parity |
| frank26080115 | 0:bf7b9fba3924 | 519 | * 1 stop bit |
| frank26080115 | 0:bf7b9fba3924 | 520 | * No flow control |
| frank26080115 | 0:bf7b9fba3924 | 521 | */ |
| frank26080115 | 0:bf7b9fba3924 | 522 | debug_frmwrk_init(); |
| frank26080115 | 0:bf7b9fba3924 | 523 | |
| frank26080115 | 0:bf7b9fba3924 | 524 | // print welcome screen |
| frank26080115 | 0:bf7b9fba3924 | 525 | print_menu(); |
| frank26080115 | 0:bf7b9fba3924 | 526 | |
| frank26080115 | 0:bf7b9fba3924 | 527 | /* |
| frank26080115 | 0:bf7b9fba3924 | 528 | * Initialize SSP pin connect |
| frank26080115 | 0:bf7b9fba3924 | 529 | * P0.6 - SSEL1 |
| frank26080115 | 0:bf7b9fba3924 | 530 | * P0.7 - SCK1 |
| frank26080115 | 0:bf7b9fba3924 | 531 | * P0.8 - MISO1 |
| frank26080115 | 0:bf7b9fba3924 | 532 | * P0.9 - MOSI1 |
| frank26080115 | 0:bf7b9fba3924 | 533 | */ |
| frank26080115 | 0:bf7b9fba3924 | 534 | PinCfg.Funcnum = 2; |
| frank26080115 | 0:bf7b9fba3924 | 535 | PinCfg.OpenDrain = 0; |
| frank26080115 | 0:bf7b9fba3924 | 536 | PinCfg.Pinmode = 0; |
| frank26080115 | 0:bf7b9fba3924 | 537 | PinCfg.Portnum = 0; |
| frank26080115 | 0:bf7b9fba3924 | 538 | PinCfg.Pinnum = 6; |
| frank26080115 | 0:bf7b9fba3924 | 539 | PINSEL_ConfigPin(&PinCfg); |
| frank26080115 | 0:bf7b9fba3924 | 540 | PinCfg.Pinnum = 7; |
| frank26080115 | 0:bf7b9fba3924 | 541 | PINSEL_ConfigPin(&PinCfg); |
| frank26080115 | 0:bf7b9fba3924 | 542 | PinCfg.Pinnum = 8; |
| frank26080115 | 0:bf7b9fba3924 | 543 | PINSEL_ConfigPin(&PinCfg); |
| frank26080115 | 0:bf7b9fba3924 | 544 | PinCfg.Pinnum = 9; |
| frank26080115 | 0:bf7b9fba3924 | 545 | PINSEL_ConfigPin(&PinCfg); |
| frank26080115 | 0:bf7b9fba3924 | 546 | |
| frank26080115 | 0:bf7b9fba3924 | 547 | |
| frank26080115 | 0:bf7b9fba3924 | 548 | /* |
| frank26080115 | 0:bf7b9fba3924 | 549 | * Initialize SSP pin connect |
| frank26080115 | 0:bf7b9fba3924 | 550 | * P0.15 - SCK |
| frank26080115 | 0:bf7b9fba3924 | 551 | * P0.16 - SSEL |
| frank26080115 | 0:bf7b9fba3924 | 552 | * P0.17 - MISO |
| frank26080115 | 0:bf7b9fba3924 | 553 | * P0.18 - MOSI |
| frank26080115 | 0:bf7b9fba3924 | 554 | */ |
| frank26080115 | 0:bf7b9fba3924 | 555 | PinCfg.Funcnum = 2; |
| frank26080115 | 0:bf7b9fba3924 | 556 | PinCfg.OpenDrain = 0; |
| frank26080115 | 0:bf7b9fba3924 | 557 | PinCfg.Pinmode = 0; |
| frank26080115 | 0:bf7b9fba3924 | 558 | PinCfg.Portnum = 0; |
| frank26080115 | 0:bf7b9fba3924 | 559 | PinCfg.Pinnum = 15; |
| frank26080115 | 0:bf7b9fba3924 | 560 | PINSEL_ConfigPin(&PinCfg); |
| frank26080115 | 0:bf7b9fba3924 | 561 | PinCfg.Pinnum = 17; |
| frank26080115 | 0:bf7b9fba3924 | 562 | PINSEL_ConfigPin(&PinCfg); |
| frank26080115 | 0:bf7b9fba3924 | 563 | PinCfg.Pinnum = 18; |
| frank26080115 | 0:bf7b9fba3924 | 564 | PINSEL_ConfigPin(&PinCfg); |
| frank26080115 | 0:bf7b9fba3924 | 565 | PinCfg.Pinnum = 16; |
| frank26080115 | 0:bf7b9fba3924 | 566 | PINSEL_ConfigPin(&PinCfg); |
| frank26080115 | 0:bf7b9fba3924 | 567 | |
| frank26080115 | 0:bf7b9fba3924 | 568 | /* Initializing Master SSP device section ------------------------------------------- */ |
| frank26080115 | 0:bf7b9fba3924 | 569 | // initialize SSP configuration structure to default |
| frank26080115 | 0:bf7b9fba3924 | 570 | SSP_ConfigStructInit(&SSP_ConfigStruct); |
| frank26080115 | 0:bf7b9fba3924 | 571 | // Re-configure SSP to TI frame format |
| frank26080115 | 0:bf7b9fba3924 | 572 | SSP_ConfigStruct.FrameFormat = SSP_FRAME_TI; |
| frank26080115 | 0:bf7b9fba3924 | 573 | // Initialize SSP peripheral with parameter given in structure above |
| frank26080115 | 0:bf7b9fba3924 | 574 | SSP_Init(SSPDEV_M, &SSP_ConfigStruct); |
| frank26080115 | 0:bf7b9fba3924 | 575 | |
| frank26080115 | 0:bf7b9fba3924 | 576 | // Enable SSP peripheral |
| frank26080115 | 0:bf7b9fba3924 | 577 | SSP_Cmd(SSPDEV_M, ENABLE); |
| frank26080115 | 0:bf7b9fba3924 | 578 | |
| frank26080115 | 0:bf7b9fba3924 | 579 | |
| frank26080115 | 0:bf7b9fba3924 | 580 | /* Initializing Slave SSP device section ------------------------------------------- */ |
| frank26080115 | 0:bf7b9fba3924 | 581 | // initialize SSP configuration structure to default |
| frank26080115 | 0:bf7b9fba3924 | 582 | SSP_ConfigStructInit(&SSP_ConfigStruct); |
| frank26080115 | 0:bf7b9fba3924 | 583 | /* Re-configure mode for SSP device */ |
| frank26080115 | 0:bf7b9fba3924 | 584 | SSP_ConfigStruct.Mode = SSP_SLAVE_MODE; |
| frank26080115 | 0:bf7b9fba3924 | 585 | // Re-configure SSP to TI frame format |
| frank26080115 | 0:bf7b9fba3924 | 586 | SSP_ConfigStruct.FrameFormat = SSP_FRAME_TI; |
| frank26080115 | 0:bf7b9fba3924 | 587 | // Initialize SSP peripheral with parameter given in structure above |
| frank26080115 | 0:bf7b9fba3924 | 588 | SSP_Init(SSPDEV_S, &SSP_ConfigStruct); |
| frank26080115 | 0:bf7b9fba3924 | 589 | |
| frank26080115 | 0:bf7b9fba3924 | 590 | // Enable SSP peripheral |
| frank26080115 | 0:bf7b9fba3924 | 591 | SSP_Cmd(SSPDEV_S, ENABLE); |
| frank26080115 | 0:bf7b9fba3924 | 592 | |
| frank26080115 | 0:bf7b9fba3924 | 593 | /* Interrupt configuration section ------------------------------------------------- */ |
| frank26080115 | 0:bf7b9fba3924 | 594 | #if ((USEDSSPDEV_S == 0) || (USEDSSPDEV_M == 0)) |
| frank26080115 | 0:bf7b9fba3924 | 595 | /* preemption = 1, sub-priority = 1 */ |
| frank26080115 | 0:bf7b9fba3924 | 596 | NVIC_SetPriority(SSP0_IRQn, ((0x01<<3)|0x01)); |
| frank26080115 | 0:bf7b9fba3924 | 597 | /* Enable SSP0 interrupt */ |
| frank26080115 | 0:bf7b9fba3924 | 598 | NVIC_EnableIRQ(SSP0_IRQn); |
| frank26080115 | 0:bf7b9fba3924 | 599 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 600 | #if ((USEDSSPDEV_S == 1) || (USEDSSPDEV_M == 1)) |
| frank26080115 | 0:bf7b9fba3924 | 601 | /* preemption = 1, sub-priority = 1 */ |
| frank26080115 | 0:bf7b9fba3924 | 602 | NVIC_SetPriority(SSP1_IRQn, ((0x01<<3)|0x01)); |
| frank26080115 | 0:bf7b9fba3924 | 603 | /* Enable SSP0 interrupt */ |
| frank26080115 | 0:bf7b9fba3924 | 604 | NVIC_EnableIRQ(SSP1_IRQn); |
| frank26080115 | 0:bf7b9fba3924 | 605 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 606 | |
| frank26080115 | 0:bf7b9fba3924 | 607 | /* Initializing Buffer section ------------------------------------------------- */ |
| frank26080115 | 0:bf7b9fba3924 | 608 | Buffer_Init(); |
| frank26080115 | 0:bf7b9fba3924 | 609 | |
| frank26080115 | 0:bf7b9fba3924 | 610 | /* Start Transmit/Receive between Master and Slave ----------------------------- */ |
| frank26080115 | 0:bf7b9fba3924 | 611 | complete_S = FALSE; |
| frank26080115 | 0:bf7b9fba3924 | 612 | complete_M = FALSE; |
| frank26080115 | 0:bf7b9fba3924 | 613 | |
| frank26080115 | 0:bf7b9fba3924 | 614 | /* Slave must be ready first */ |
| frank26080115 | 0:bf7b9fba3924 | 615 | ssp_SlaveReadWrite(SSPDEV_S, Slave_Rx_Buf, Slave_Tx_Buf, BUFFER_SIZE); |
| frank26080115 | 0:bf7b9fba3924 | 616 | /* Then Master can start its transferring */ |
| frank26080115 | 0:bf7b9fba3924 | 617 | ssp_MasterReadWrite(SSPDEV_M, Master_Rx_Buf, Master_Tx_Buf, BUFFER_SIZE); |
| frank26080115 | 0:bf7b9fba3924 | 618 | |
| frank26080115 | 0:bf7b9fba3924 | 619 | /* Wait for complete */ |
| frank26080115 | 0:bf7b9fba3924 | 620 | while ((complete_S == FALSE) || (complete_M == FALSE)); |
| frank26080115 | 0:bf7b9fba3924 | 621 | |
| frank26080115 | 0:bf7b9fba3924 | 622 | /* Verify buffer */ |
| frank26080115 | 0:bf7b9fba3924 | 623 | Buffer_Verify(); |
| frank26080115 | 0:bf7b9fba3924 | 624 | |
| frank26080115 | 0:bf7b9fba3924 | 625 | _DBG_("Verify success!\n\r"); |
| frank26080115 | 0:bf7b9fba3924 | 626 | /* Loop forever */ |
| frank26080115 | 0:bf7b9fba3924 | 627 | while(1); |
| frank26080115 | 0:bf7b9fba3924 | 628 | return 1; |
| frank26080115 | 0:bf7b9fba3924 | 629 | } |
| frank26080115 | 0:bf7b9fba3924 | 630 | |
| frank26080115 | 0:bf7b9fba3924 | 631 | /* With ARM and GHS toolsets, the entry point is main() - this will |
| frank26080115 | 0:bf7b9fba3924 | 632 | allow the linker to generate wrapper code to setup stacks, allocate |
| frank26080115 | 0:bf7b9fba3924 | 633 | heap area, and initialize and copy code and data segments. For GNU |
| frank26080115 | 0:bf7b9fba3924 | 634 | toolsets, the entry point is through __start() in the crt0_gnu.asm |
| frank26080115 | 0:bf7b9fba3924 | 635 | file, and that startup code will setup stacks and data */ |
| frank26080115 | 0:bf7b9fba3924 | 636 | int main(void) |
| frank26080115 | 0:bf7b9fba3924 | 637 | { |
| frank26080115 | 0:bf7b9fba3924 | 638 | return c_entry(); |
| frank26080115 | 0:bf7b9fba3924 | 639 | } |
| frank26080115 | 0:bf7b9fba3924 | 640 | |
| frank26080115 | 0:bf7b9fba3924 | 641 | |
| frank26080115 | 0:bf7b9fba3924 | 642 | #ifdef DEBUG |
| frank26080115 | 0:bf7b9fba3924 | 643 | /******************************************************************************* |
| frank26080115 | 0:bf7b9fba3924 | 644 | * @brief Reports the name of the source file and the source line number |
| frank26080115 | 0:bf7b9fba3924 | 645 | * where the CHECK_PARAM error has occurred. |
| frank26080115 | 0:bf7b9fba3924 | 646 | * @param[in] file Pointer to the source file name |
| frank26080115 | 0:bf7b9fba3924 | 647 | * @param[in] line assert_param error line source number |
| frank26080115 | 0:bf7b9fba3924 | 648 | * @return None |
| frank26080115 | 0:bf7b9fba3924 | 649 | *******************************************************************************/ |
| frank26080115 | 0:bf7b9fba3924 | 650 | void check_failed(uint8_t *file, uint32_t line) |
| frank26080115 | 0:bf7b9fba3924 | 651 | { |
| frank26080115 | 0:bf7b9fba3924 | 652 | /* User can add his own implementation to report the file name and line number, |
| frank26080115 | 0:bf7b9fba3924 | 653 | ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ |
| frank26080115 | 0:bf7b9fba3924 | 654 | |
| frank26080115 | 0:bf7b9fba3924 | 655 | /* Infinite loop */ |
| frank26080115 | 0:bf7b9fba3924 | 656 | while(1); |
| frank26080115 | 0:bf7b9fba3924 | 657 | } |
| frank26080115 | 0:bf7b9fba3924 | 658 | #endif |
| frank26080115 | 0:bf7b9fba3924 | 659 | |
| frank26080115 | 0:bf7b9fba3924 | 660 | /* |
| frank26080115 | 0:bf7b9fba3924 | 661 | * @} |
| frank26080115 | 0:bf7b9fba3924 | 662 | */ |