These are the examples provided for [[/users/frank26080115/libraries/LPC1700CMSIS_Lib/]] Note, the entire "program" is not compilable!
DAC/WaveGenerate/dac_wave_generate.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 | /******************** (C) COPYRIGHT 2010 NXPSemiconductors ************ |
frank26080115 | 0:bf7b9fba3924 | 2 | * @file dac_wave_generate.c |
frank26080115 | 0:bf7b9fba3924 | 3 | * @purpose This example describes how to use DAC to generate a sine wave, |
frank26080115 | 0:bf7b9fba3924 | 4 | * triangle wave or escalator wave |
frank26080115 | 0:bf7b9fba3924 | 5 | * @version 1.0 |
frank26080115 | 0:bf7b9fba3924 | 6 | * @date 16. July. 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_dac.h" |
frank26080115 | 0:bf7b9fba3924 | 21 | #include "lpc17xx_libcfg.h" |
frank26080115 | 0:bf7b9fba3924 | 22 | #include "lpc17xx_pinsel.h" |
frank26080115 | 0:bf7b9fba3924 | 23 | #include "lpc17xx_gpdma.h" |
frank26080115 | 0:bf7b9fba3924 | 24 | #include "debug_frmwrk.h" |
frank26080115 | 0:bf7b9fba3924 | 25 | |
frank26080115 | 0:bf7b9fba3924 | 26 | /* Example group ----------------------------------------------------------- */ |
frank26080115 | 0:bf7b9fba3924 | 27 | /** @defgroup DAC_WaveGenerate WaveGenerate |
frank26080115 | 0:bf7b9fba3924 | 28 | * @ingroup DAC_Examples |
frank26080115 | 0:bf7b9fba3924 | 29 | * @{ |
frank26080115 | 0:bf7b9fba3924 | 30 | */ |
frank26080115 | 0:bf7b9fba3924 | 31 | |
frank26080115 | 0:bf7b9fba3924 | 32 | /************************** PRIVATE MACROS *************************/ |
frank26080115 | 0:bf7b9fba3924 | 33 | /** DMA size of transfer */ |
frank26080115 | 0:bf7b9fba3924 | 34 | #define DMA_SIZE_SINE 60 |
frank26080115 | 0:bf7b9fba3924 | 35 | #define NUM_SAMPLE_SINE 60 |
frank26080115 | 0:bf7b9fba3924 | 36 | #define DMA_SIZE 64 |
frank26080115 | 0:bf7b9fba3924 | 37 | #define NUM_SAMPLE 64 |
frank26080115 | 0:bf7b9fba3924 | 38 | |
frank26080115 | 0:bf7b9fba3924 | 39 | #define SIGNAL_FREQ_IN_HZ 60 |
frank26080115 | 0:bf7b9fba3924 | 40 | #define PCLK_DAC_IN_MHZ 25 //CCLK divided by 4 |
frank26080115 | 0:bf7b9fba3924 | 41 | |
frank26080115 | 0:bf7b9fba3924 | 42 | #define DAC_GENERATE_SINE 1 |
frank26080115 | 0:bf7b9fba3924 | 43 | #define DAC_GENERATE_TRIANGLE 2 |
frank26080115 | 0:bf7b9fba3924 | 44 | #define DAC_GENERATE_ESCALATOR 3 |
frank26080115 | 0:bf7b9fba3924 | 45 | #define DAC_GENERATE_NONE 0 |
frank26080115 | 0:bf7b9fba3924 | 46 | |
frank26080115 | 0:bf7b9fba3924 | 47 | /************************** PRIVATE VARIABLES *************************/ |
frank26080115 | 0:bf7b9fba3924 | 48 | uint8_t menu1[] = |
frank26080115 | 0:bf7b9fba3924 | 49 | "********************************************************************************\n\r" |
frank26080115 | 0:bf7b9fba3924 | 50 | "Hello NXP Semiconductors \n\r" |
frank26080115 | 0:bf7b9fba3924 | 51 | " DAC generate signals demo \n\r" |
frank26080115 | 0:bf7b9fba3924 | 52 | "\t - MCU: LPC17xx \n\r" |
frank26080115 | 0:bf7b9fba3924 | 53 | "\t - Core: ARM Cortex-M3 \n\r" |
frank26080115 | 0:bf7b9fba3924 | 54 | "\t - Communicate via: UART0 - 115200 kbps \n\r" |
frank26080115 | 0:bf7b9fba3924 | 55 | " Use DAC to generate sine, triangle, escalator wave, frequency adjustable\n\r" |
frank26080115 | 0:bf7b9fba3924 | 56 | " Signal samples are transmitted to DAC by DMA memory to peripheral\n\r" |
frank26080115 | 0:bf7b9fba3924 | 57 | "********************************************************************************\n\r"; |
frank26080115 | 0:bf7b9fba3924 | 58 | |
frank26080115 | 0:bf7b9fba3924 | 59 | /************************** PRIVATE FUNCTION *************************/ |
frank26080115 | 0:bf7b9fba3924 | 60 | void print_menu(void); |
frank26080115 | 0:bf7b9fba3924 | 61 | |
frank26080115 | 0:bf7b9fba3924 | 62 | /*-------------------------PRIVATE FUNCTIONS------------------------------*/ |
frank26080115 | 0:bf7b9fba3924 | 63 | /*********************************************************************//** |
frank26080115 | 0:bf7b9fba3924 | 64 | * @brief Print menu |
frank26080115 | 0:bf7b9fba3924 | 65 | * @param[in] None |
frank26080115 | 0:bf7b9fba3924 | 66 | * @return None |
frank26080115 | 0:bf7b9fba3924 | 67 | **********************************************************************/ |
frank26080115 | 0:bf7b9fba3924 | 68 | void print_menu(void) |
frank26080115 | 0:bf7b9fba3924 | 69 | { |
frank26080115 | 0:bf7b9fba3924 | 70 | _DBG(menu1); |
frank26080115 | 0:bf7b9fba3924 | 71 | } |
frank26080115 | 0:bf7b9fba3924 | 72 | |
frank26080115 | 0:bf7b9fba3924 | 73 | /*-------------------------MAIN FUNCTION------------------------------*/ |
frank26080115 | 0:bf7b9fba3924 | 74 | /*********************************************************************//** |
frank26080115 | 0:bf7b9fba3924 | 75 | * @brief c_entry: Main DAC program body |
frank26080115 | 0:bf7b9fba3924 | 76 | * @param[in] None |
frank26080115 | 0:bf7b9fba3924 | 77 | * @return int |
frank26080115 | 0:bf7b9fba3924 | 78 | **********************************************************************/ |
frank26080115 | 0:bf7b9fba3924 | 79 | int c_entry(void) |
frank26080115 | 0:bf7b9fba3924 | 80 | { |
frank26080115 | 0:bf7b9fba3924 | 81 | PINSEL_CFG_Type PinCfg; |
frank26080115 | 0:bf7b9fba3924 | 82 | DAC_CONVERTER_CFG_Type DAC_ConverterConfigStruct; |
frank26080115 | 0:bf7b9fba3924 | 83 | GPDMA_Channel_CFG_Type GPDMACfg; |
frank26080115 | 0:bf7b9fba3924 | 84 | GPDMA_LLI_Type DMA_LLI_Struct; |
frank26080115 | 0:bf7b9fba3924 | 85 | uint32_t tmp; |
frank26080115 | 0:bf7b9fba3924 | 86 | uint8_t i,option; |
frank26080115 | 0:bf7b9fba3924 | 87 | uint32_t sin_0_to_90_16_samples[16]={\ |
frank26080115 | 0:bf7b9fba3924 | 88 | 0,1045,2079,3090,4067,\ |
frank26080115 | 0:bf7b9fba3924 | 89 | 5000,5877,6691,7431,8090,\ |
frank26080115 | 0:bf7b9fba3924 | 90 | 8660,9135,9510,9781,9945,10000\ |
frank26080115 | 0:bf7b9fba3924 | 91 | }; |
frank26080115 | 0:bf7b9fba3924 | 92 | uint32_t dac_lut[NUM_SAMPLE]; |
frank26080115 | 0:bf7b9fba3924 | 93 | |
frank26080115 | 0:bf7b9fba3924 | 94 | /* |
frank26080115 | 0:bf7b9fba3924 | 95 | * Init DAC pin connect |
frank26080115 | 0:bf7b9fba3924 | 96 | * AOUT on P0.26 |
frank26080115 | 0:bf7b9fba3924 | 97 | */ |
frank26080115 | 0:bf7b9fba3924 | 98 | PinCfg.Funcnum = 2; |
frank26080115 | 0:bf7b9fba3924 | 99 | PinCfg.OpenDrain = 0; |
frank26080115 | 0:bf7b9fba3924 | 100 | PinCfg.Pinmode = 0; |
frank26080115 | 0:bf7b9fba3924 | 101 | PinCfg.Pinnum = 26; |
frank26080115 | 0:bf7b9fba3924 | 102 | PinCfg.Portnum = 0; |
frank26080115 | 0:bf7b9fba3924 | 103 | PINSEL_ConfigPin(&PinCfg); |
frank26080115 | 0:bf7b9fba3924 | 104 | |
frank26080115 | 0:bf7b9fba3924 | 105 | /* Initialize debug via UART0 |
frank26080115 | 0:bf7b9fba3924 | 106 | * 115200bps |
frank26080115 | 0:bf7b9fba3924 | 107 | * 8 data bit |
frank26080115 | 0:bf7b9fba3924 | 108 | * No parity |
frank26080115 | 0:bf7b9fba3924 | 109 | * 1 stop bit |
frank26080115 | 0:bf7b9fba3924 | 110 | * No flow control |
frank26080115 | 0:bf7b9fba3924 | 111 | */ |
frank26080115 | 0:bf7b9fba3924 | 112 | debug_frmwrk_init(); |
frank26080115 | 0:bf7b9fba3924 | 113 | |
frank26080115 | 0:bf7b9fba3924 | 114 | // print welcome screen |
frank26080115 | 0:bf7b9fba3924 | 115 | print_menu(); |
frank26080115 | 0:bf7b9fba3924 | 116 | |
frank26080115 | 0:bf7b9fba3924 | 117 | while(1) |
frank26080115 | 0:bf7b9fba3924 | 118 | { |
frank26080115 | 0:bf7b9fba3924 | 119 | //Select option |
frank26080115 | 0:bf7b9fba3924 | 120 | _DBG("Please choose signal type:\n\r"); |
frank26080115 | 0:bf7b9fba3924 | 121 | _DBG("\t1) Sine wave.\n\r"); |
frank26080115 | 0:bf7b9fba3924 | 122 | _DBG("\t2) Triangle wave.\n\r"); |
frank26080115 | 0:bf7b9fba3924 | 123 | _DBG("\t3) Escalator wave.\n\r"); |
frank26080115 | 0:bf7b9fba3924 | 124 | option = DAC_GENERATE_NONE; |
frank26080115 | 0:bf7b9fba3924 | 125 | while(option == DAC_GENERATE_NONE) |
frank26080115 | 0:bf7b9fba3924 | 126 | { |
frank26080115 | 0:bf7b9fba3924 | 127 | switch(_DG) |
frank26080115 | 0:bf7b9fba3924 | 128 | { |
frank26080115 | 0:bf7b9fba3924 | 129 | case '1': option = DAC_GENERATE_SINE; break; |
frank26080115 | 0:bf7b9fba3924 | 130 | case '2': option = DAC_GENERATE_TRIANGLE; break; |
frank26080115 | 0:bf7b9fba3924 | 131 | case '3': option = DAC_GENERATE_ESCALATOR; break; |
frank26080115 | 0:bf7b9fba3924 | 132 | default: |
frank26080115 | 0:bf7b9fba3924 | 133 | _DBG("Wrong choice! Please select 1 or 2 or 3 only!\n\r"); |
frank26080115 | 0:bf7b9fba3924 | 134 | option = DAC_GENERATE_NONE; |
frank26080115 | 0:bf7b9fba3924 | 135 | break; |
frank26080115 | 0:bf7b9fba3924 | 136 | } |
frank26080115 | 0:bf7b9fba3924 | 137 | } |
frank26080115 | 0:bf7b9fba3924 | 138 | |
frank26080115 | 0:bf7b9fba3924 | 139 | //Prepare DAC look up table |
frank26080115 | 0:bf7b9fba3924 | 140 | switch(option) |
frank26080115 | 0:bf7b9fba3924 | 141 | { |
frank26080115 | 0:bf7b9fba3924 | 142 | case DAC_GENERATE_SINE: |
frank26080115 | 0:bf7b9fba3924 | 143 | for(i=0;i<NUM_SAMPLE_SINE;i++) |
frank26080115 | 0:bf7b9fba3924 | 144 | { |
frank26080115 | 0:bf7b9fba3924 | 145 | if(i<=15) |
frank26080115 | 0:bf7b9fba3924 | 146 | { |
frank26080115 | 0:bf7b9fba3924 | 147 | dac_lut[i] = 512 + 512*sin_0_to_90_16_samples[i]/10000; |
frank26080115 | 0:bf7b9fba3924 | 148 | if(i==15) dac_lut[i]= 1023; |
frank26080115 | 0:bf7b9fba3924 | 149 | } |
frank26080115 | 0:bf7b9fba3924 | 150 | else if(i<=30) |
frank26080115 | 0:bf7b9fba3924 | 151 | { |
frank26080115 | 0:bf7b9fba3924 | 152 | dac_lut[i] = 512 + 512*sin_0_to_90_16_samples[30-i]/10000; |
frank26080115 | 0:bf7b9fba3924 | 153 | } |
frank26080115 | 0:bf7b9fba3924 | 154 | else if(i<=45) |
frank26080115 | 0:bf7b9fba3924 | 155 | { |
frank26080115 | 0:bf7b9fba3924 | 156 | dac_lut[i] = 512 - 512*sin_0_to_90_16_samples[i-30]/10000; |
frank26080115 | 0:bf7b9fba3924 | 157 | } |
frank26080115 | 0:bf7b9fba3924 | 158 | else |
frank26080115 | 0:bf7b9fba3924 | 159 | { |
frank26080115 | 0:bf7b9fba3924 | 160 | dac_lut[i] = 512 - 512*sin_0_to_90_16_samples[60-i]/10000; |
frank26080115 | 0:bf7b9fba3924 | 161 | } |
frank26080115 | 0:bf7b9fba3924 | 162 | dac_lut[i] = (dac_lut[i]<<6); |
frank26080115 | 0:bf7b9fba3924 | 163 | } |
frank26080115 | 0:bf7b9fba3924 | 164 | break; |
frank26080115 | 0:bf7b9fba3924 | 165 | case DAC_GENERATE_TRIANGLE: |
frank26080115 | 0:bf7b9fba3924 | 166 | for(i=0;i<NUM_SAMPLE;i++) |
frank26080115 | 0:bf7b9fba3924 | 167 | { |
frank26080115 | 0:bf7b9fba3924 | 168 | if(i<32) dac_lut[i]= 32*i; |
frank26080115 | 0:bf7b9fba3924 | 169 | else if (i==32) dac_lut[i]= 1023; |
frank26080115 | 0:bf7b9fba3924 | 170 | else dac_lut[i] = 32*(NUM_SAMPLE-i); |
frank26080115 | 0:bf7b9fba3924 | 171 | dac_lut[i] = (dac_lut[i]<<6); |
frank26080115 | 0:bf7b9fba3924 | 172 | } |
frank26080115 | 0:bf7b9fba3924 | 173 | break; |
frank26080115 | 0:bf7b9fba3924 | 174 | case DAC_GENERATE_ESCALATOR: |
frank26080115 | 0:bf7b9fba3924 | 175 | for(i=0;i<NUM_SAMPLE;i++) |
frank26080115 | 0:bf7b9fba3924 | 176 | { |
frank26080115 | 0:bf7b9fba3924 | 177 | dac_lut[i] = (1023/3)*(i/16); |
frank26080115 | 0:bf7b9fba3924 | 178 | dac_lut[i] = (dac_lut[i]<<6); |
frank26080115 | 0:bf7b9fba3924 | 179 | } |
frank26080115 | 0:bf7b9fba3924 | 180 | break; |
frank26080115 | 0:bf7b9fba3924 | 181 | default: break; |
frank26080115 | 0:bf7b9fba3924 | 182 | } |
frank26080115 | 0:bf7b9fba3924 | 183 | |
frank26080115 | 0:bf7b9fba3924 | 184 | //Prepare DMA link list item structure |
frank26080115 | 0:bf7b9fba3924 | 185 | DMA_LLI_Struct.SrcAddr= (uint32_t)dac_lut; |
frank26080115 | 0:bf7b9fba3924 | 186 | DMA_LLI_Struct.DstAddr= (uint32_t)&(LPC_DAC->DACR); |
frank26080115 | 0:bf7b9fba3924 | 187 | DMA_LLI_Struct.NextLLI= (uint32_t)&DMA_LLI_Struct; |
frank26080115 | 0:bf7b9fba3924 | 188 | DMA_LLI_Struct.Control= ((option==DAC_GENERATE_SINE)?DMA_SIZE_SINE:DMA_SIZE) |
frank26080115 | 0:bf7b9fba3924 | 189 | | (2<<18) //source width 32 bit |
frank26080115 | 0:bf7b9fba3924 | 190 | | (2<<21) //dest. width 32 bit |
frank26080115 | 0:bf7b9fba3924 | 191 | | (1<<26) //source increment |
frank26080115 | 0:bf7b9fba3924 | 192 | ; |
frank26080115 | 0:bf7b9fba3924 | 193 | |
frank26080115 | 0:bf7b9fba3924 | 194 | |
frank26080115 | 0:bf7b9fba3924 | 195 | /* GPDMA block section -------------------------------------------- */ |
frank26080115 | 0:bf7b9fba3924 | 196 | /* Initialize GPDMA controller */ |
frank26080115 | 0:bf7b9fba3924 | 197 | GPDMA_Init(); |
frank26080115 | 0:bf7b9fba3924 | 198 | |
frank26080115 | 0:bf7b9fba3924 | 199 | // Setup GPDMA channel -------------------------------- |
frank26080115 | 0:bf7b9fba3924 | 200 | // channel 0 |
frank26080115 | 0:bf7b9fba3924 | 201 | GPDMACfg.ChannelNum = 0; |
frank26080115 | 0:bf7b9fba3924 | 202 | // Source memory |
frank26080115 | 0:bf7b9fba3924 | 203 | GPDMACfg.SrcMemAddr = (uint32_t)(dac_lut); |
frank26080115 | 0:bf7b9fba3924 | 204 | // Destination memory - unused |
frank26080115 | 0:bf7b9fba3924 | 205 | GPDMACfg.DstMemAddr = 0; |
frank26080115 | 0:bf7b9fba3924 | 206 | // Transfer size |
frank26080115 | 0:bf7b9fba3924 | 207 | GPDMACfg.TransferSize = ((option==DAC_GENERATE_SINE)?DMA_SIZE_SINE:DMA_SIZE); |
frank26080115 | 0:bf7b9fba3924 | 208 | // Transfer width - unused |
frank26080115 | 0:bf7b9fba3924 | 209 | GPDMACfg.TransferWidth = 0; |
frank26080115 | 0:bf7b9fba3924 | 210 | // Transfer type |
frank26080115 | 0:bf7b9fba3924 | 211 | GPDMACfg.TransferType = GPDMA_TRANSFERTYPE_M2P; |
frank26080115 | 0:bf7b9fba3924 | 212 | // Source connection - unused |
frank26080115 | 0:bf7b9fba3924 | 213 | GPDMACfg.SrcConn = 0; |
frank26080115 | 0:bf7b9fba3924 | 214 | // Destination connection |
frank26080115 | 0:bf7b9fba3924 | 215 | GPDMACfg.DstConn = GPDMA_CONN_DAC; |
frank26080115 | 0:bf7b9fba3924 | 216 | // Linker List Item - unused |
frank26080115 | 0:bf7b9fba3924 | 217 | GPDMACfg.DMALLI = (uint32_t)&DMA_LLI_Struct; |
frank26080115 | 0:bf7b9fba3924 | 218 | // Setup channel with given parameter |
frank26080115 | 0:bf7b9fba3924 | 219 | GPDMA_Setup(&GPDMACfg); |
frank26080115 | 0:bf7b9fba3924 | 220 | |
frank26080115 | 0:bf7b9fba3924 | 221 | DAC_ConverterConfigStruct.CNT_ENA =SET; |
frank26080115 | 0:bf7b9fba3924 | 222 | DAC_ConverterConfigStruct.DMA_ENA = SET; |
frank26080115 | 0:bf7b9fba3924 | 223 | DAC_Init(LPC_DAC); |
frank26080115 | 0:bf7b9fba3924 | 224 | /* set time out for DAC*/ |
frank26080115 | 0:bf7b9fba3924 | 225 | tmp = (PCLK_DAC_IN_MHZ*1000000)/(SIGNAL_FREQ_IN_HZ*((option==DAC_GENERATE_SINE)?NUM_SAMPLE_SINE:NUM_SAMPLE)); |
frank26080115 | 0:bf7b9fba3924 | 226 | DAC_SetDMATimeOut(LPC_DAC,tmp); |
frank26080115 | 0:bf7b9fba3924 | 227 | DAC_ConfigDAConverterControl(LPC_DAC, &DAC_ConverterConfigStruct); |
frank26080115 | 0:bf7b9fba3924 | 228 | |
frank26080115 | 0:bf7b9fba3924 | 229 | //Start the demo |
frank26080115 | 0:bf7b9fba3924 | 230 | switch(option) |
frank26080115 | 0:bf7b9fba3924 | 231 | { |
frank26080115 | 0:bf7b9fba3924 | 232 | case DAC_GENERATE_SINE: |
frank26080115 | 0:bf7b9fba3924 | 233 | _DBG("\n\rDAC is generating 60Hz sine wave..."); |
frank26080115 | 0:bf7b9fba3924 | 234 | break; |
frank26080115 | 0:bf7b9fba3924 | 235 | case DAC_GENERATE_TRIANGLE: |
frank26080115 | 0:bf7b9fba3924 | 236 | _DBG("\n\rDAC is generating 60Hz triangle wave..."); |
frank26080115 | 0:bf7b9fba3924 | 237 | break; |
frank26080115 | 0:bf7b9fba3924 | 238 | case DAC_GENERATE_ESCALATOR: |
frank26080115 | 0:bf7b9fba3924 | 239 | _DBG("\n\rDAC is generating 60Hz escalator wave..."); |
frank26080115 | 0:bf7b9fba3924 | 240 | break; |
frank26080115 | 0:bf7b9fba3924 | 241 | default: break; |
frank26080115 | 0:bf7b9fba3924 | 242 | } |
frank26080115 | 0:bf7b9fba3924 | 243 | |
frank26080115 | 0:bf7b9fba3924 | 244 | // Enable GPDMA channel 0 |
frank26080115 | 0:bf7b9fba3924 | 245 | GPDMA_ChannelCmd(0, ENABLE); |
frank26080115 | 0:bf7b9fba3924 | 246 | |
frank26080115 | 0:bf7b9fba3924 | 247 | _DBG_("\n\rPreass ESC if you want to terminate!"); |
frank26080115 | 0:bf7b9fba3924 | 248 | while(_DG!=27); |
frank26080115 | 0:bf7b9fba3924 | 249 | |
frank26080115 | 0:bf7b9fba3924 | 250 | // Disable GPDMA channel 0 |
frank26080115 | 0:bf7b9fba3924 | 251 | GPDMA_ChannelCmd(0, DISABLE); |
frank26080115 | 0:bf7b9fba3924 | 252 | |
frank26080115 | 0:bf7b9fba3924 | 253 | } |
frank26080115 | 0:bf7b9fba3924 | 254 | return 1; |
frank26080115 | 0:bf7b9fba3924 | 255 | } |
frank26080115 | 0:bf7b9fba3924 | 256 | /* With ARM and GHS toolsets, the entry point is main() - this will |
frank26080115 | 0:bf7b9fba3924 | 257 | allow the linker to generate wrapper code to setup stacks, allocate |
frank26080115 | 0:bf7b9fba3924 | 258 | heap area, and initialize and copy code and data segments. For GNU |
frank26080115 | 0:bf7b9fba3924 | 259 | toolsets, the entry point is through __start() in the crt0_gnu.asm |
frank26080115 | 0:bf7b9fba3924 | 260 | file, and that startup code will setup stacks and data */ |
frank26080115 | 0:bf7b9fba3924 | 261 | int main(void) |
frank26080115 | 0:bf7b9fba3924 | 262 | { |
frank26080115 | 0:bf7b9fba3924 | 263 | return c_entry(); |
frank26080115 | 0:bf7b9fba3924 | 264 | } |
frank26080115 | 0:bf7b9fba3924 | 265 | |
frank26080115 | 0:bf7b9fba3924 | 266 | #ifdef DEBUG |
frank26080115 | 0:bf7b9fba3924 | 267 | /******************************************************************************* |
frank26080115 | 0:bf7b9fba3924 | 268 | * @brief Reports the name of the source file and the source line number |
frank26080115 | 0:bf7b9fba3924 | 269 | * where the CHECK_PARAM error has occurred. |
frank26080115 | 0:bf7b9fba3924 | 270 | * @param[in] file Pointer to the source file name |
frank26080115 | 0:bf7b9fba3924 | 271 | * @param[in] line assert_param error line source number |
frank26080115 | 0:bf7b9fba3924 | 272 | * @return None |
frank26080115 | 0:bf7b9fba3924 | 273 | *******************************************************************************/ |
frank26080115 | 0:bf7b9fba3924 | 274 | void check_failed(uint8_t *file, uint32_t line) |
frank26080115 | 0:bf7b9fba3924 | 275 | { |
frank26080115 | 0:bf7b9fba3924 | 276 | /* User can add his own implementation to report the file name and line number, |
frank26080115 | 0:bf7b9fba3924 | 277 | ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ |
frank26080115 | 0:bf7b9fba3924 | 278 | |
frank26080115 | 0:bf7b9fba3924 | 279 | /* Infinite loop */ |
frank26080115 | 0:bf7b9fba3924 | 280 | while(1); |
frank26080115 | 0:bf7b9fba3924 | 281 | } |
frank26080115 | 0:bf7b9fba3924 | 282 | #endif |
frank26080115 | 0:bf7b9fba3924 | 283 | /* |
frank26080115 | 0:bf7b9fba3924 | 284 | * @} |
frank26080115 | 0:bf7b9fba3924 | 285 | */ |