Senior Design: Sound Monitor / OneHopeOnePrayer

AudioRecord

Dependencies:   STM32L4xx_HAL_Driver CMSIS_DSP_401

Main.c@3:ec7e3c37fe80, 2015-11-26 (annotated)

Committer:
EricLew
Date:
Thu Nov 26 22:32:56 2015 +0000
Revision:
3:ec7e3c37fe80
Parent:
1:1ae4b642c533 
FFT is currently not working and commented out

Who changed what in which revision?

UserRevisionLine numberNew contents of line
EricLew 0:d4e5ad7ad71c 1 #include "main.h"
EricLew 0:d4e5ad7ad71c 2
EricLew 1:1ae4b642c533 3 int32_t delay=0;
EricLew 0:d4e5ad7ad71c 4 uint32_t AppStatus = 0x00;
EricLew 0:d4e5ad7ad71c 5 FlagStatus AppLaunched = RESET;
EricLew 0:d4e5ad7ad71c 6 uint8_t DemoIndex = 0;
EricLew 0:d4e5ad7ad71c 7
EricLew 0:d4e5ad7ad71c 8 /* initialization variable */
EricLew 0:d4e5ad7ad71c 9 __IO FlagStatus KeyPressed = RESET;
EricLew 0:d4e5ad7ad71c 10 FlagStatus JoyInitialized = RESET;
EricLew 0:d4e5ad7ad71c 11 FlagStatus IddInitialized = RESET;
EricLew 0:d4e5ad7ad71c 12 FlagStatus LcdInitialized = RESET;
EricLew 0:d4e5ad7ad71c 13 FlagStatus LedInitialized = RESET;
EricLew 0:d4e5ad7ad71c 14
EricLew 0:d4e5ad7ad71c 15 JOYState_TypeDef JoyState = JOY_NONE;
EricLew 0:d4e5ad7ad71c 16
EricLew 0:d4e5ad7ad71c 17 __IO uint8_t NbLoop = 1;
EricLew 0:d4e5ad7ad71c 18
EricLew 0:d4e5ad7ad71c 19 /* Volume of the audio playback */
EricLew 0:d4e5ad7ad71c 20 /* Initial volume level (from 50% to 100% (Max)) */
EricLew 0:d4e5ad7ad71c 21 __IO uint8_t Volume = 70;
EricLew 0:d4e5ad7ad71c 22 __IO uint8_t VolumeChange = 0;
EricLew 0:d4e5ad7ad71c 23 __IO uint8_t AudioPlaybackExit = 0;
EricLew 0:d4e5ad7ad71c 24 __IO uint8_t AudioRecordExit = 0;
EricLew 0:d4e5ad7ad71c 25 __IO uint8_t AudioRecordSampleRateSelected = 0;
EricLew 0:d4e5ad7ad71c 26 __IO uint8_t SampleRateIndex = 0;
EricLew 0:d4e5ad7ad71c 27 __IO uint8_t AudioRecordSampleRateChange = 0;
EricLew 0:d4e5ad7ad71c 28
EricLew 0:d4e5ad7ad71c 29 extern __IO uint8_t bLCDGlass_KeyPressed;
EricLew 0:d4e5ad7ad71c 30 extern FlagStatus IddItOccurred;
EricLew 0:d4e5ad7ad71c 31 extern uint8_t IddIndex;
EricLew 0:d4e5ad7ad71c 32
EricLew 0:d4e5ad7ad71c 33
EricLew 0:d4e5ad7ad71c 34
EricLew 0:d4e5ad7ad71c 35 typedef enum
EricLew 0:d4e5ad7ad71c 36 {
EricLew 0:d4e5ad7ad71c 37 DEMO_STATE_LED = 0x00, /*!< Led application launched */
EricLew 0:d4e5ad7ad71c 38 DEMO_STATE_JOYSTICK, /*!< Joystick application launched */
EricLew 0:d4e5ad7ad71c 39 DEMO_STATE_LCD , /*!< LCD application launched */
EricLew 0:d4e5ad7ad71c 40 DEMO_STATE_AUDIO_RECORD, /*!< Audio record application launched */
EricLew 0:d4e5ad7ad71c 41 DEMO_STATE_FIRST_STARTUP, /*!< Demo first Startup */
EricLew 0:d4e5ad7ad71c 42 DEMO_STATE_IDLE, /*!< Demo in idle */
EricLew 0:d4e5ad7ad71c 43 } Demo_StateTypeDef;
EricLew 0:d4e5ad7ad71c 44
EricLew 0:d4e5ad7ad71c 45 /* Private function prototypes -----------------------------------------------*/
EricLew 0:d4e5ad7ad71c 46 static void Display_DemoDescription(void);
EricLew 0:d4e5ad7ad71c 47
EricLew 0:d4e5ad7ad71c 48 BSP_DemoTypedef BSP_examples[]=
EricLew 0:d4e5ad7ad71c 49 {
EricLew 0:d4e5ad7ad71c 50 {AudioRecord_demo, "AUDIO RECORD", DEMO_STATE_AUDIO_RECORD}
EricLew 0:d4e5ad7ad71c 51 };
EricLew 0:d4e5ad7ad71c 52
EricLew 0:d4e5ad7ad71c 53 int main(void)
EricLew 0:d4e5ad7ad71c 54 {
EricLew 0:d4e5ad7ad71c 55 uint8_t i = 0;
EricLew 0:d4e5ad7ad71c 56 uint8_t menudisplay[DEMO_NAME_CHAR_NB + 5] = {0};
EricLew 0:d4e5ad7ad71c 57
EricLew 0:d4e5ad7ad71c 58 /* STM32L4xx HAL library initialization:
EricLew 0:d4e5ad7ad71c 59 - Configure the Flash prefetch
EricLew 0:d4e5ad7ad71c 60 - Systick timer is configured by default as source of time base, but user
EricLew 0:d4e5ad7ad71c 61 can eventually implement his proper time base source (a general purpose
EricLew 0:d4e5ad7ad71c 62 timer for example or other time source), keeping in mind that Time base
EricLew 0:d4e5ad7ad71c 63 duration should be kept 1ms since PPP_TIMEOUT_VALUEs are defined and
EricLew 0:d4e5ad7ad71c 64 handled in milliseconds basis.
EricLew 0:d4e5ad7ad71c 65 - Set NVIC Group Priority to 4
EricLew 0:d4e5ad7ad71c 66 - Low Level Initialization
EricLew 0:d4e5ad7ad71c 67 */
EricLew 0:d4e5ad7ad71c 68 HAL_Init();
EricLew 0:d4e5ad7ad71c 69
EricLew 0:d4e5ad7ad71c 70 /*##-1- Configure the system clock #########################################*/
EricLew 0:d4e5ad7ad71c 71 /* */
EricLew 0:d4e5ad7ad71c 72 SystemClock_Config();
EricLew 0:d4e5ad7ad71c 73
EricLew 0:d4e5ad7ad71c 74 /*##-2-Configure minimum hardware resources at boot ########################*/
EricLew 0:d4e5ad7ad71c 75 SystemHardwareInit();
EricLew 0:d4e5ad7ad71c 76
EricLew 0:d4e5ad7ad71c 77 /* Display demo explaination on LCD Glass */
EricLew 0:d4e5ad7ad71c 78 AppStatus = DEMO_STATE_FIRST_STARTUP;
EricLew 0:d4e5ad7ad71c 79 Display_DemoDescription();
EricLew 0:d4e5ad7ad71c 80
EricLew 0:d4e5ad7ad71c 81 /* Menu display first characters initialization */
EricLew 0:d4e5ad7ad71c 82 for(i = 0; i < 5; i++)
EricLew 0:d4e5ad7ad71c 83 {
EricLew 0:d4e5ad7ad71c 84 menudisplay[i] = ' ';
EricLew 0:d4e5ad7ad71c 85 }
EricLew 0:d4e5ad7ad71c 86
EricLew 0:d4e5ad7ad71c 87
EricLew 0:d4e5ad7ad71c 88 /* Wait For User inputs */
EricLew 0:d4e5ad7ad71c 89 while (1)
EricLew 0:d4e5ad7ad71c 90 {
EricLew 0:d4e5ad7ad71c 91 for(i = 0; i < DEMO_NAME_CHAR_NB; i++)
EricLew 0:d4e5ad7ad71c 92 {
EricLew 0:d4e5ad7ad71c 93 menudisplay[i+5] = BSP_examples[DemoIndex].DemoName[i];
EricLew 0:d4e5ad7ad71c 94 }
EricLew 0:d4e5ad7ad71c 95
EricLew 0:d4e5ad7ad71c 96 BSP_LCD_GLASS_ScrollSentence(menudisplay, 1, SCROLL_SPEED_HIGH);
EricLew 0:d4e5ad7ad71c 97
EricLew 0:d4e5ad7ad71c 98 if(AppLaunched != RESET)
EricLew 0:d4e5ad7ad71c 99 {
EricLew 0:d4e5ad7ad71c 100 AppLaunched = RESET;
EricLew 0:d4e5ad7ad71c 101 KeyPressed = RESET;
EricLew 0:d4e5ad7ad71c 102
EricLew 0:d4e5ad7ad71c 103 /* Clear screen */
EricLew 0:d4e5ad7ad71c 104 BSP_LCD_GLASS_Clear();
EricLew 0:d4e5ad7ad71c 105
EricLew 0:d4e5ad7ad71c 106 /* Set Application status in case of specific joystick usage */
EricLew 0:d4e5ad7ad71c 107 AppStatus = BSP_examples[DemoIndex].DemoIndex;
EricLew 0:d4e5ad7ad71c 108
EricLew 0:d4e5ad7ad71c 109 /* launched application */
EricLew 0:d4e5ad7ad71c 110 BSP_examples[DemoIndex].DemoFunc();
EricLew 0:d4e5ad7ad71c 111
EricLew 0:d4e5ad7ad71c 112 /* Set Application status to Idle */
EricLew 0:d4e5ad7ad71c 113 AppStatus = DEMO_STATE_IDLE;
EricLew 0:d4e5ad7ad71c 114
EricLew 0:d4e5ad7ad71c 115 /* Notify end of test and clear screen */
EricLew 0:d4e5ad7ad71c 116 BSP_LCD_GLASS_ScrollSentence((uint8_t *)" END OF TEST", 1, SCROLL_SPEED_HIGH);
EricLew 0:d4e5ad7ad71c 117 BSP_LCD_GLASS_Clear();
EricLew 0:d4e5ad7ad71c 118 }
EricLew 0:d4e5ad7ad71c 119 }
EricLew 0:d4e5ad7ad71c 120 }
EricLew 0:d4e5ad7ad71c 121
EricLew 0:d4e5ad7ad71c 122 void SystemClock_Config(void)
EricLew 0:d4e5ad7ad71c 123 {
EricLew 0:d4e5ad7ad71c 124 /* oscillator and clocks configs */
EricLew 0:d4e5ad7ad71c 125 RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
EricLew 0:d4e5ad7ad71c 126 RCC_OscInitTypeDef RCC_OscInitStruct = {0};
EricLew 0:d4e5ad7ad71c 127
EricLew 0:d4e5ad7ad71c 128 /* The voltage scaling allows optimizing the power consumption when the device is
EricLew 0:d4e5ad7ad71c 129 clocked below the maximum system frequency, to update the voltage scaling value
EricLew 0:d4e5ad7ad71c 130 regarding system frequency refer to product datasheet. */
EricLew 0:d4e5ad7ad71c 131
EricLew 0:d4e5ad7ad71c 132 /* Enable Power Control clock */
EricLew 0:d4e5ad7ad71c 133 __HAL_RCC_PWR_CLK_ENABLE();
EricLew 0:d4e5ad7ad71c 134
EricLew 0:d4e5ad7ad71c 135 if(HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1) != HAL_OK)
EricLew 0:d4e5ad7ad71c 136 {
EricLew 0:d4e5ad7ad71c 137 /* Initialization Error */
EricLew 0:d4e5ad7ad71c 138 Error_Handler();
EricLew 0:d4e5ad7ad71c 139 }
EricLew 0:d4e5ad7ad71c 140
EricLew 0:d4e5ad7ad71c 141 /* Disable Power Control clock */
EricLew 0:d4e5ad7ad71c 142 __HAL_RCC_PWR_CLK_DISABLE();
EricLew 0:d4e5ad7ad71c 143
EricLew 0:d4e5ad7ad71c 144 /* 80 Mhz from MSI 8Mhz */
EricLew 0:d4e5ad7ad71c 145 /* MSI is enabled after System reset, activate PLL with MSI as source */
EricLew 0:d4e5ad7ad71c 146 RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_MSI;
EricLew 0:d4e5ad7ad71c 147 RCC_OscInitStruct.MSIState = RCC_MSI_ON;
EricLew 0:d4e5ad7ad71c 148 RCC_OscInitStruct.MSIClockRange = RCC_MSIRANGE_7;
EricLew 0:d4e5ad7ad71c 149 RCC_OscInitStruct.MSICalibrationValue = RCC_MSICALIBRATION_DEFAULT;
EricLew 0:d4e5ad7ad71c 150 RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
EricLew 0:d4e5ad7ad71c 151 RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_MSI;
EricLew 0:d4e5ad7ad71c 152 RCC_OscInitStruct.PLL.PLLM = 1;
EricLew 0:d4e5ad7ad71c 153 RCC_OscInitStruct.PLL.PLLN = 20;
EricLew 0:d4e5ad7ad71c 154 RCC_OscInitStruct.PLL.PLLR = 2;
EricLew 0:d4e5ad7ad71c 155 RCC_OscInitStruct.PLL.PLLP = 7;
EricLew 0:d4e5ad7ad71c 156 RCC_OscInitStruct.PLL.PLLQ = 4;
EricLew 0:d4e5ad7ad71c 157
EricLew 0:d4e5ad7ad71c 158 if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
EricLew 0:d4e5ad7ad71c 159 {
EricLew 0:d4e5ad7ad71c 160 /* Initialization Error */
EricLew 0:d4e5ad7ad71c 161 Error_Handler();
EricLew 0:d4e5ad7ad71c 162 }
EricLew 0:d4e5ad7ad71c 163
EricLew 0:d4e5ad7ad71c 164 /* Select PLL as system clock source and configure the HCLK, PCLK1 and PCLK2
EricLew 0:d4e5ad7ad71c 165 clocks dividers */
EricLew 0:d4e5ad7ad71c 166 RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
EricLew 0:d4e5ad7ad71c 167 RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
EricLew 0:d4e5ad7ad71c 168 RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
EricLew 0:d4e5ad7ad71c 169 RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
EricLew 0:d4e5ad7ad71c 170 RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
EricLew 0:d4e5ad7ad71c 171 if(HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_4) != HAL_OK)
EricLew 0:d4e5ad7ad71c 172 {
EricLew 0:d4e5ad7ad71c 173 /* Initialization Error */
EricLew 0:d4e5ad7ad71c 174 Error_Handler();
EricLew 0:d4e5ad7ad71c 175 }
EricLew 0:d4e5ad7ad71c 176
EricLew 0:d4e5ad7ad71c 177 /* The voltage scaling allows optimizing the power consumption when the device is
EricLew 0:d4e5ad7ad71c 178 clocked below the maximum system frequency, to update the voltage scaling value
EricLew 0:d4e5ad7ad71c 179 regarding system frequency refer to product datasheet. */
EricLew 0:d4e5ad7ad71c 180
EricLew 0:d4e5ad7ad71c 181 /* Enable Power Control clock */
EricLew 0:d4e5ad7ad71c 182 __HAL_RCC_PWR_CLK_ENABLE();
EricLew 0:d4e5ad7ad71c 183
EricLew 0:d4e5ad7ad71c 184 if(HAL_PWREx_ControlVoltageScaling(PWR_REGULATOR_VOLTAGE_SCALE1) != HAL_OK)
EricLew 0:d4e5ad7ad71c 185 {
EricLew 0:d4e5ad7ad71c 186 /* Initialization Error */
EricLew 0:d4e5ad7ad71c 187 Error_Handler();
EricLew 0:d4e5ad7ad71c 188 }
EricLew 0:d4e5ad7ad71c 189
EricLew 0:d4e5ad7ad71c 190 /* Disable Power Control clock */
EricLew 0:d4e5ad7ad71c 191 __HAL_RCC_PWR_CLK_DISABLE();
EricLew 0:d4e5ad7ad71c 192 }
EricLew 0:d4e5ad7ad71c 193
EricLew 0:d4e5ad7ad71c 194 void SystemLowClock_Config(void)
EricLew 0:d4e5ad7ad71c 195 {
EricLew 0:d4e5ad7ad71c 196 /* oscillator and clocks configs */
EricLew 0:d4e5ad7ad71c 197 RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
EricLew 0:d4e5ad7ad71c 198 RCC_OscInitTypeDef RCC_OscInitStruct = {0};
EricLew 0:d4e5ad7ad71c 199 uint32_t flatency = 0;
EricLew 0:d4e5ad7ad71c 200
EricLew 0:d4e5ad7ad71c 201 /* Retrieve clock parameters */
EricLew 0:d4e5ad7ad71c 202 HAL_RCC_GetClockConfig(&RCC_ClkInitStruct, &flatency );
EricLew 0:d4e5ad7ad71c 203
EricLew 0:d4e5ad7ad71c 204 /* switch SYSCLK to MSI in order to modify PLL divider */
EricLew 0:d4e5ad7ad71c 205 RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_SYSCLK;
EricLew 0:d4e5ad7ad71c 206 RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_MSI;
EricLew 0:d4e5ad7ad71c 207 if(HAL_RCC_ClockConfig(&RCC_ClkInitStruct, flatency) != HAL_OK)
EricLew 0:d4e5ad7ad71c 208 {
EricLew 0:d4e5ad7ad71c 209 /* Initialization Error */
EricLew 0:d4e5ad7ad71c 210 Error_Handler();
EricLew 0:d4e5ad7ad71c 211 }
EricLew 0:d4e5ad7ad71c 212
EricLew 0:d4e5ad7ad71c 213 /* Retrieve oscillator parameters */
EricLew 0:d4e5ad7ad71c 214 HAL_RCC_GetOscConfig(&RCC_OscInitStruct);
EricLew 0:d4e5ad7ad71c 215
EricLew 0:d4e5ad7ad71c 216 /* turn off PLL */
EricLew 0:d4e5ad7ad71c 217 RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_NONE;
EricLew 0:d4e5ad7ad71c 218 RCC_OscInitStruct.PLL.PLLState = RCC_PLL_OFF;
EricLew 0:d4e5ad7ad71c 219 if(HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
EricLew 0:d4e5ad7ad71c 220 {
EricLew 0:d4e5ad7ad71c 221 /* Initialization Error */
EricLew 0:d4e5ad7ad71c 222 Error_Handler();
EricLew 0:d4e5ad7ad71c 223 }
EricLew 0:d4e5ad7ad71c 224 }
EricLew 0:d4e5ad7ad71c 225
EricLew 0:d4e5ad7ad71c 226 /**
EricLew 0:d4e5ad7ad71c 227 * @brief System Power Configuration at Boot
EricLew 0:d4e5ad7ad71c 228 * @param None
EricLew 0:d4e5ad7ad71c 229 * @retval None
EricLew 0:d4e5ad7ad71c 230 */
EricLew 0:d4e5ad7ad71c 231 void SystemHardwareInit(void)
EricLew 0:d4e5ad7ad71c 232 {
EricLew 0:d4e5ad7ad71c 233 /* Init LED4 and LED5 */
EricLew 0:d4e5ad7ad71c 234 if(LedInitialized != SET)
EricLew 0:d4e5ad7ad71c 235 {
EricLew 0:d4e5ad7ad71c 236 BSP_LED_Init(LED_RED);
EricLew 0:d4e5ad7ad71c 237 BSP_LED_Init(LED_GREEN);
EricLew 0:d4e5ad7ad71c 238 LedInitialized = SET;
EricLew 0:d4e5ad7ad71c 239 }
EricLew 0:d4e5ad7ad71c 240
EricLew 0:d4e5ad7ad71c 241 /* Init STM32L476G-Discovery joystick in interrupt mode */
EricLew 0:d4e5ad7ad71c 242 if(JoyInitialized != SET)
EricLew 0:d4e5ad7ad71c 243 {
EricLew 0:d4e5ad7ad71c 244 BSP_JOY_Init(JOY_MODE_EXTI);
EricLew 0:d4e5ad7ad71c 245 JoyInitialized = SET;
EricLew 0:d4e5ad7ad71c 246 }
EricLew 0:d4e5ad7ad71c 247
EricLew 0:d4e5ad7ad71c 248 /* Initialize the LCD */
EricLew 0:d4e5ad7ad71c 249 if(LcdInitialized != SET)
EricLew 0:d4e5ad7ad71c 250 {
EricLew 0:d4e5ad7ad71c 251 BSP_LCD_GLASS_Init();
EricLew 0:d4e5ad7ad71c 252 LcdInitialized = SET;
EricLew 0:d4e5ad7ad71c 253 }
EricLew 0:d4e5ad7ad71c 254 __HAL_RCC_I2C2_CLK_ENABLE();
EricLew 0:d4e5ad7ad71c 255 }
EricLew 0:d4e5ad7ad71c 256
EricLew 0:d4e5ad7ad71c 257 /**
EricLew 0:d4e5ad7ad71c 258 * @brief System Low Power Configuration
EricLew 0:d4e5ad7ad71c 259 * @param None
EricLew 0:d4e5ad7ad71c 260 * @retval None
EricLew 0:d4e5ad7ad71c 261 */
EricLew 0:d4e5ad7ad71c 262 void SystemHardwareDeInit(void)
EricLew 0:d4e5ad7ad71c 263 {
EricLew 0:d4e5ad7ad71c 264 if(LedInitialized != RESET)
EricLew 0:d4e5ad7ad71c 265 {
EricLew 0:d4e5ad7ad71c 266 BSP_LED_DeInit(LED_RED);
EricLew 0:d4e5ad7ad71c 267 BSP_LED_DeInit(LED_GREEN);
EricLew 0:d4e5ad7ad71c 268 LedInitialized = RESET;
EricLew 0:d4e5ad7ad71c 269 }
EricLew 0:d4e5ad7ad71c 270
EricLew 0:d4e5ad7ad71c 271 if(JoyInitialized != RESET)
EricLew 0:d4e5ad7ad71c 272 {
EricLew 0:d4e5ad7ad71c 273 BSP_JOY_DeInit();
EricLew 0:d4e5ad7ad71c 274 JoyInitialized = RESET;
EricLew 0:d4e5ad7ad71c 275 }
EricLew 0:d4e5ad7ad71c 276
EricLew 0:d4e5ad7ad71c 277 if(LcdInitialized != RESET)
EricLew 0:d4e5ad7ad71c 278 {
EricLew 0:d4e5ad7ad71c 279 BSP_LCD_GLASS_DeInit();
EricLew 0:d4e5ad7ad71c 280 LcdInitialized = RESET;
EricLew 0:d4e5ad7ad71c 281 }
EricLew 0:d4e5ad7ad71c 282
EricLew 0:d4e5ad7ad71c 283 /* Disable remaining clocks */
EricLew 0:d4e5ad7ad71c 284 __HAL_RCC_PWR_CLK_DISABLE();
EricLew 0:d4e5ad7ad71c 285 __HAL_RCC_FLASH_CLK_DISABLE();
EricLew 0:d4e5ad7ad71c 286 __HAL_RCC_SYSCFG_CLK_DISABLE();
EricLew 0:d4e5ad7ad71c 287 __HAL_RCC_GPIOA_CLK_DISABLE();
EricLew 0:d4e5ad7ad71c 288 __HAL_RCC_GPIOB_CLK_DISABLE();
EricLew 0:d4e5ad7ad71c 289 __HAL_RCC_GPIOC_CLK_DISABLE();
EricLew 0:d4e5ad7ad71c 290 __HAL_RCC_GPIOD_CLK_DISABLE();
EricLew 0:d4e5ad7ad71c 291 __HAL_RCC_GPIOE_CLK_DISABLE();
EricLew 0:d4e5ad7ad71c 292 __HAL_RCC_I2C2_CLK_DISABLE();
EricLew 0:d4e5ad7ad71c 293 RCC->AHB1SMENR = 0x0;
EricLew 0:d4e5ad7ad71c 294 RCC->AHB2SMENR = 0x0;
EricLew 0:d4e5ad7ad71c 295 RCC->AHB3SMENR = 0x0;
EricLew 0:d4e5ad7ad71c 296 RCC->APB1SMENR1 = 0x0;
EricLew 0:d4e5ad7ad71c 297 RCC->APB1SMENR2 = 0x0;
EricLew 0:d4e5ad7ad71c 298 RCC->APB2SMENR = 0x0;
EricLew 0:d4e5ad7ad71c 299 }
EricLew 0:d4e5ad7ad71c 300
EricLew 0:d4e5ad7ad71c 301 static void Display_DemoDescription(void)
EricLew 0:d4e5ad7ad71c 302 {
EricLew 0:d4e5ad7ad71c 303 /* Clear the LCD */
EricLew 0:d4e5ad7ad71c 304 BSP_LCD_GLASS_Clear();
EricLew 0:d4e5ad7ad71c 305
EricLew 0:d4e5ad7ad71c 306 /* Display LCD messages */
EricLew 0:d4e5ad7ad71c 307 BSP_LCD_GLASS_ScrollSentence((uint8_t *)" STM32L476G-DISCO BSP DRIVER EXAMPLE", 1, SCROLL_SPEED_HIGH);
EricLew 0:d4e5ad7ad71c 308 BSP_LCD_GLASS_ScrollSentence((uint8_t *)" COPYRIGHT STMICROELECTRONICS 2015", 1, SCROLL_SPEED_HIGH);
EricLew 0:d4e5ad7ad71c 309
EricLew 0:d4e5ad7ad71c 310 /* Introduce short delay before new message displayed */
EricLew 0:d4e5ad7ad71c 311 HAL_Delay(50);
EricLew 0:d4e5ad7ad71c 312
EricLew 0:d4e5ad7ad71c 313 BSP_LCD_GLASS_ScrollSentence((uint8_t *)" Press Joy Right to start ", 0xFFFF, SCROLL_SPEED_HIGH);
EricLew 0:d4e5ad7ad71c 314
EricLew 0:d4e5ad7ad71c 315 /* Clear the LCD & reset Key pressed variable */
EricLew 0:d4e5ad7ad71c 316 BSP_LCD_GLASS_Clear();
EricLew 0:d4e5ad7ad71c 317
EricLew 0:d4e5ad7ad71c 318 AppStatus = DEMO_STATE_IDLE;
EricLew 0:d4e5ad7ad71c 319 }
EricLew 0:d4e5ad7ad71c 320
EricLew 0:d4e5ad7ad71c 321 uint8_t CheckForUserInput(void)
EricLew 0:d4e5ad7ad71c 322 {
EricLew 0:d4e5ad7ad71c 323 if(BSP_JOY_GetState() == JOY_SEL)
EricLew 0:d4e5ad7ad71c 324 {
EricLew 0:d4e5ad7ad71c 325 while (BSP_JOY_GetState() == JOY_SEL);
EricLew 0:d4e5ad7ad71c 326 return 1;
EricLew 0:d4e5ad7ad71c 327 }
EricLew 0:d4e5ad7ad71c 328 return 0;
EricLew 0:d4e5ad7ad71c 329 }
EricLew 0:d4e5ad7ad71c 330
EricLew 0:d4e5ad7ad71c 331 /**lerais
EricLew 0:d4e5ad7ad71c 332 * @brief This function is executed in case of error occurrence.
EricLew 0:d4e5ad7ad71c 333 * @param None
EricLew 0:d4e5ad7ad71c 334 * @retval None
EricLew 0:d4e5ad7ad71c 335 */
EricLew 0:d4e5ad7ad71c 336 void Error_Handler(void)
EricLew 0:d4e5ad7ad71c 337 {
EricLew 0:d4e5ad7ad71c 338 /* Turn LED RED on */
EricLew 0:d4e5ad7ad71c 339 while(1)
EricLew 0:d4e5ad7ad71c 340 {
EricLew 0:d4e5ad7ad71c 341 BSP_LED_Toggle(LED_RED);
EricLew 0:d4e5ad7ad71c 342 HAL_Delay(40);
EricLew 0:d4e5ad7ad71c 343 }
EricLew 0:d4e5ad7ad71c 344 }
EricLew 0:d4e5ad7ad71c 345
EricLew 0:d4e5ad7ad71c 346
EricLew 0:d4e5ad7ad71c 347 void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
EricLew 0:d4e5ad7ad71c 348 {
EricLew 0:d4e5ad7ad71c 349 if((GPIO_Pin & (DOWN_JOY_PIN | UP_JOY_PIN | SEL_JOY_PIN | RIGHT_JOY_PIN | LEFT_JOY_PIN))
EricLew 0:d4e5ad7ad71c 350 != RESET)
EricLew 0:d4e5ad7ad71c 351 {
EricLew 0:d4e5ad7ad71c 352 KeyPressed = SET;
EricLew 0:d4e5ad7ad71c 353
EricLew 0:d4e5ad7ad71c 354 switch(AppStatus)
EricLew 0:d4e5ad7ad71c 355 {
EricLew 0:d4e5ad7ad71c 356 case DEMO_STATE_FIRST_STARTUP:
EricLew 0:d4e5ad7ad71c 357
EricLew 0:d4e5ad7ad71c 358
EricLew 0:d4e5ad7ad71c 359 case DEMO_STATE_IDLE:
EricLew 0:d4e5ad7ad71c 360 bLCDGlass_KeyPressed = 0x01;
EricLew 0:d4e5ad7ad71c 361 switch(GPIO_Pin)
EricLew 0:d4e5ad7ad71c 362 {
EricLew 0:d4e5ad7ad71c 363 case DOWN_JOY_PIN :
EricLew 0:d4e5ad7ad71c 364 DemoIndex++;
EricLew 0:d4e5ad7ad71c 365 if(DemoIndex > COUNT_OF_EXAMPLE(BSP_examples))
EricLew 0:d4e5ad7ad71c 366 {
EricLew 0:d4e5ad7ad71c 367 DemoIndex = 0;
EricLew 0:d4e5ad7ad71c 368 }
EricLew 0:d4e5ad7ad71c 369 break;
EricLew 0:d4e5ad7ad71c 370 case UP_JOY_PIN :
EricLew 0:d4e5ad7ad71c 371 DemoIndex--;
EricLew 0:d4e5ad7ad71c 372 if(DemoIndex > COUNT_OF_EXAMPLE(BSP_examples))
EricLew 0:d4e5ad7ad71c 373 {
EricLew 0:d4e5ad7ad71c 374 DemoIndex = (COUNT_OF_EXAMPLE(BSP_examples) - 1);
EricLew 0:d4e5ad7ad71c 375 }
EricLew 0:d4e5ad7ad71c 376 break;
EricLew 0:d4e5ad7ad71c 377 case RIGHT_JOY_PIN :
EricLew 0:d4e5ad7ad71c 378 AppLaunched = SET;
EricLew 0:d4e5ad7ad71c 379 break;
EricLew 0:d4e5ad7ad71c 380 }
EricLew 0:d4e5ad7ad71c 381 break;
EricLew 0:d4e5ad7ad71c 382
EricLew 0:d4e5ad7ad71c 383 case DEMO_STATE_LED:
EricLew 0:d4e5ad7ad71c 384 break;
EricLew 0:d4e5ad7ad71c 385
EricLew 0:d4e5ad7ad71c 386 case DEMO_STATE_JOYSTICK:
EricLew 0:d4e5ad7ad71c 387 case DEMO_STATE_LCD:
EricLew 0:d4e5ad7ad71c 388 switch(GPIO_Pin)
EricLew 0:d4e5ad7ad71c 389 {
EricLew 0:d4e5ad7ad71c 390 case DOWN_JOY_PIN :
EricLew 0:d4e5ad7ad71c 391 JoyState = JOY_DOWN;
EricLew 0:d4e5ad7ad71c 392 break;
EricLew 0:d4e5ad7ad71c 393 case UP_JOY_PIN :
EricLew 0:d4e5ad7ad71c 394 JoyState = JOY_UP;
EricLew 0:d4e5ad7ad71c 395 break;
EricLew 0:d4e5ad7ad71c 396 case SEL_JOY_PIN :
EricLew 0:d4e5ad7ad71c 397 JoyState = JOY_SEL;
EricLew 0:d4e5ad7ad71c 398 break;
EricLew 0:d4e5ad7ad71c 399 case RIGHT_JOY_PIN :
EricLew 0:d4e5ad7ad71c 400 JoyState = JOY_RIGHT;
EricLew 0:d4e5ad7ad71c 401 break;
EricLew 0:d4e5ad7ad71c 402 case LEFT_JOY_PIN :
EricLew 0:d4e5ad7ad71c 403 JoyState = JOY_LEFT;
EricLew 0:d4e5ad7ad71c 404 break;
EricLew 0:d4e5ad7ad71c 405 }
EricLew 0:d4e5ad7ad71c 406 break;
EricLew 0:d4e5ad7ad71c 407
EricLew 0:d4e5ad7ad71c 408
EricLew 0:d4e5ad7ad71c 409 case DEMO_STATE_AUDIO_RECORD:
EricLew 0:d4e5ad7ad71c 410 switch(GPIO_Pin)
EricLew 0:d4e5ad7ad71c 411 {
EricLew 0:d4e5ad7ad71c 412 case RIGHT_JOY_PIN :
EricLew 0:d4e5ad7ad71c 413 /* SEL is used to confirm audio record sample rate and start audio recording */
EricLew 0:d4e5ad7ad71c 414 AudioRecordSampleRateSelected = 1;
EricLew 0:d4e5ad7ad71c 415 break;
EricLew 0:d4e5ad7ad71c 416 }
EricLew 0:d4e5ad7ad71c 417 break;
EricLew 0:d4e5ad7ad71c 418 }
EricLew 0:d4e5ad7ad71c 419 }
EricLew 0:d4e5ad7ad71c 420 }