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| 1 | +/** |
| 2 | + * @file main.c |
| 3 | + * ADC Example |
| 4 | + * @author Ajay Bhargav |
| 5 | + * |
| 6 | + */ |
| 7 | + |
| 8 | +#include <stdio.h> |
| 9 | +#include <unistd.h> |
| 10 | + |
| 11 | +#include <lib.h> |
| 12 | +#include <ril.h> |
| 13 | +#include <os_api.h> |
| 14 | +#include <hw/adc.h> |
| 15 | + |
| 16 | +#define MVOLTPERDIV 2.737f |
| 17 | +#define ADC2MVOLT(val) ((float)val * MVOLTPERDIV) |
| 18 | + |
| 19 | +/** |
| 20 | + * URC Handler |
| 21 | + * @param param1 URC Code |
| 22 | + * @param param2 URC Parameter |
| 23 | + */ |
| 24 | +static void urc_callback(unsigned int param1, unsigned int param2) |
| 25 | +{ |
| 26 | + switch (param1) { |
| 27 | + case URC_SYS_INIT_STATE_IND: |
| 28 | + if (param2 == SYS_STATE_SMSOK) { |
| 29 | + /* Ready for SMS */ |
| 30 | + } |
| 31 | + break; |
| 32 | + case URC_SIM_CARD_STATE_IND: |
| 33 | + switch (param2) { |
| 34 | + case SIM_STAT_NOT_INSERTED: |
| 35 | + debug(DBG_OFF, "SYSTEM: SIM card not inserted!\n"); |
| 36 | + break; |
| 37 | + case SIM_STAT_READY: |
| 38 | + debug(DBG_INFO, "SYSTEM: SIM card Ready!\n"); |
| 39 | + break; |
| 40 | + case SIM_STAT_PIN_REQ: |
| 41 | + debug(DBG_OFF, "SYSTEM: SIM PIN required!\n"); |
| 42 | + break; |
| 43 | + case SIM_STAT_PUK_REQ: |
| 44 | + debug(DBG_OFF, "SYSTEM: SIM PUK required!\n"); |
| 45 | + break; |
| 46 | + case SIM_STAT_NOT_READY: |
| 47 | + debug(DBG_OFF, "SYSTEM: SIM card not recognized!\n"); |
| 48 | + break; |
| 49 | + default: |
| 50 | + debug(DBG_OFF, "SYSTEM: SIM ERROR: %d\n", param2); |
| 51 | + } |
| 52 | + break; |
| 53 | + case URC_GSM_NW_STATE_IND: |
| 54 | + debug(DBG_OFF, "SYSTEM: GSM NW State: %d\n", param2); |
| 55 | + break; |
| 56 | + case URC_GPRS_NW_STATE_IND: |
| 57 | + break; |
| 58 | + case URC_CFUN_STATE_IND: |
| 59 | + break; |
| 60 | + case URC_COMING_CALL_IND: |
| 61 | + debug(DBG_OFF, "Incoming voice call from: %s\n", ((ST_ComingCall*)param2)->phoneNumber); |
| 62 | + /* Take action here, Answer/Hang-up */ |
| 63 | + break; |
| 64 | + case URC_CALL_STATE_IND: |
| 65 | + switch (param2) { |
| 66 | + case CALL_STATE_BUSY: |
| 67 | + debug(DBG_OFF, "The number you dialed is busy now\n"); |
| 68 | + break; |
| 69 | + case CALL_STATE_NO_ANSWER: |
| 70 | + debug(DBG_OFF, "The number you dialed has no answer\n"); |
| 71 | + break; |
| 72 | + case CALL_STATE_NO_CARRIER: |
| 73 | + debug(DBG_OFF, "The number you dialed cannot reach\n"); |
| 74 | + break; |
| 75 | + case CALL_STATE_NO_DIALTONE: |
| 76 | + debug(DBG_OFF, "No Dial tone\n"); |
| 77 | + break; |
| 78 | + default: |
| 79 | + break; |
| 80 | + } |
| 81 | + break; |
| 82 | + case URC_NEW_SMS_IND: |
| 83 | + debug(DBG_OFF, "SMS: New SMS (%d)\n", param2); |
| 84 | + /* Handle New SMS */ |
| 85 | + break; |
| 86 | + case URC_MODULE_VOLTAGE_IND: |
| 87 | + debug(DBG_INFO, "VBatt Voltage: %d\n", param2); |
| 88 | + break; |
| 89 | + case URC_ALARM_RING_IND: |
| 90 | + break; |
| 91 | + case URC_FILE_DOWNLOAD_STATUS: |
| 92 | + break; |
| 93 | + case URC_FOTA_STARTED: |
| 94 | + break; |
| 95 | + case URC_FOTA_FINISHED: |
| 96 | + break; |
| 97 | + case URC_FOTA_FAILED: |
| 98 | + break; |
| 99 | + case URC_STKPCI_RSP_IND: |
| 100 | + break; |
| 101 | + default: |
| 102 | + break; |
| 103 | + } |
| 104 | +} |
| 105 | + |
| 106 | +/** |
| 107 | + * Sample Task |
| 108 | + * @param arg Task Argument |
| 109 | + */ |
| 110 | +static void adc_task(void *arg) |
| 111 | +{ |
| 112 | + unsigned int adc_val; |
| 113 | + |
| 114 | + /* |
| 115 | + * Configure ADC Channels |
| 116 | + */ |
| 117 | + adc_config(ADC_CH0); |
| 118 | + adc_config(ADC_CH1); |
| 119 | + adc_config(ADC_CH2); |
| 120 | + |
| 121 | + while (1) { |
| 122 | + /* |
| 123 | + * Read ADC Channels |
| 124 | + */ |
| 125 | + adc_val = adc_read(ADC_CH0); |
| 126 | + printf("ADC Channel 0: %d, %.2fmV\n", adc_val, ADC2MVOLT(adc_val)); |
| 127 | + adc_val = adc_read(ADC_CH1); |
| 128 | + printf("ADC Channel 1: %d, %.2fmV\n", adc_val, ADC2MVOLT(adc_val)); |
| 129 | + adc_val = adc_read(ADC_CH2); |
| 130 | + printf("ADC Channel 2: %d, %.2fmV\n", adc_val, ADC2MVOLT(adc_val)); |
| 131 | + sleep(1); |
| 132 | + } |
| 133 | +} |
| 134 | + |
| 135 | +/** |
| 136 | + * Application main entry point |
| 137 | + */ |
| 138 | +void user_main(void) |
| 139 | +{ |
| 140 | + /* |
| 141 | + * Initialize library and Setup STDIO |
| 142 | + */ |
| 143 | + siwilib_init("/dev/ttyS0", urc_callback); |
| 144 | + |
| 145 | + printf("System Ready\n"); |
| 146 | + |
| 147 | + /* Create ADC task */ |
| 148 | + os_create_task(adc_task, NULL, FALSE); |
| 149 | + |
| 150 | + printf("System Initialization finished\n"); |
| 151 | +} |
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