--- /dev/null
+/**
+ ******************************************************************************
+ * @file selftest.c
+ * @author MCD Application Team
+ * @version V1.0.0
+ * @date 19-September-2011
+ * @brief This file provides the hardware tests
+ ******************************************************************************
+ * @attention
+ *
+ * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
+ * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
+ * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
+ * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
+ * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
+ * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
+ *
+ * <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
+ */
+
+/* Includes ------------------------------------------------------------------*/
+#include "selftest.h"
+
+//Library config for this project!!!!!!!!!!!
+#include "stm32f4xx_conf.h"
+
+
+/* Private typedef -----------------------------------------------------------*/
+/* Private define ------------------------------------------------------------*/
+#define MEMS_PASSCONDITION 15
+/* Private macro -------------------------------------------------------------*/
+/* Private variables ---------------------------------------------------------*/
+/* Init Structure definition */
+RCC_ClocksTypeDef RCC_Clocks;
+ADC_InitTypeDef ADC_InitStructure;
+ADC_CommonInitTypeDef ADC_CommonInitStructure;
+
+__IO uint16_t ConvData1, ConvData2;
+__IO uint16_t counter0 = 0, counter1 = 0, Idx = 0;
+uint8_t ADC_Channel[2] = {ADC_Channel_2, ADC_Channel_3};
+uint8_t DACTest = 0;
+uint8_t GPIO_Pin [2] = {GPIO_Pin_2, GPIO_Pin_3};
+
+uint16_t count = 0, count1 = 24, Left_Right = 0;
+const int16_t sinebuf[48] = {0, 4276, 8480, 12539, 16383, 19947, 23169, 25995,
+ 28377, 30272, 31650, 32486, 32767, 32486, 31650, 30272,
+ 28377, 25995, 23169, 19947, 16383, 12539, 8480, 4276,
+ 0, -4276, -8480, -12539, -16383, -19947, -23169, -25995,
+ -28377, -30272, -31650, -32486, -32767, -32486, -31650, -30272,
+ -28377, -25995, -23169, -19947, -16383, -12539, -8480, -4276
+ };
+extern __IO uint32_t TimingDelay;
+
+extern LIS302DL_InitTypeDef LIS302DL_InitStruct;
+extern LIS302DL_FilterConfigTypeDef LIS302DL_FilterStruct;
+
+extern __IO int8_t X_Offset, Y_Offset, Z_Offset;
+extern uint8_t Buffer[6];
+/* Private function prototypes -----------------------------------------------*/
+/* Private functions ---------------------------------------------------------*/
+/**
+ * @brief Test MEMS Hardware.
+ * The main objectif of this test is to check the hardware connection of the
+ * MEMS peripheral.
+ * @param None
+ * @retval None
+ */
+void Accelerometer_MEMS_Test(void)
+{
+ uint8_t temp, memsteststatus = 0x00;
+ uint8_t xdata, ydata = 0;
+
+ /* MEMS configuration ------------------------------------------------------*/
+ /* Set configuration of LIS302DL*/
+ LIS302DL_InitStruct.Power_Mode = LIS302DL_LOWPOWERMODE_ACTIVE;
+ LIS302DL_InitStruct.Output_DataRate = LIS302DL_DATARATE_100;
+ LIS302DL_InitStruct.Axes_Enable = LIS302DL_X_ENABLE | LIS302DL_Y_ENABLE;
+ LIS302DL_InitStruct.Full_Scale = LIS302DL_FULLSCALE_2_3;
+ LIS302DL_InitStruct.Self_Test = LIS302DL_SELFTEST_NORMAL;
+ LIS302DL_Init(&LIS302DL_InitStruct);
+
+ /* Set configuration of Internal High Pass Filter of LIS302DL*/
+ LIS302DL_FilterStruct.HighPassFilter_Data_Selection = LIS302DL_FILTEREDDATASELECTION_OUTPUTREGISTER;
+ LIS302DL_FilterStruct.HighPassFilter_CutOff_Frequency = LIS302DL_HIGHPASSFILTER_LEVEL_1;
+ LIS302DL_FilterStruct.HighPassFilter_Interrupt = LIS302DL_HIGHPASSFILTERINTERRUPT_1_2;
+ LIS302DL_FilterConfig(&LIS302DL_FilterStruct);
+
+ /* Required delay for the MEMS Accelerometre: Turn-on time = 3/Output data Rate
+ = 3/100 = 30ms */
+ Delay(30);
+
+ /* Read WHO_AM_I register */
+ LIS302DL_Read(&temp, LIS302DL_WHO_AM_I_ADDR, 1);
+
+ /* Check device identification register, this register should contains
+ the device identifier that for LIS302DL is set to 0x3B */
+ if (temp != 0x3B)
+ {
+ Fail_Handler();
+ }
+
+ TimingDelay = 500;
+ /* Wait until detecting all MEMS direction or timeout */
+ while((memsteststatus == 0x00)&&(TimingDelay != 0x00))
+ {
+ LIS302DL_Read(Buffer, LIS302DL_OUT_X_ADDR, 4);
+ xdata = ABS((int8_t)(Buffer[0]));
+ ydata = ABS((int8_t)(Buffer[2]));
+ /* Check test PASS condition */
+ if ((xdata > MEMS_PASSCONDITION) || (ydata > MEMS_PASSCONDITION))
+ {
+ /* MEMS Test PASS */
+ memsteststatus = 0x01;
+ }
+ }
+
+ /* MEMS test status: PASS */
+ if(memsteststatus != 0x00)
+ {
+ /* Turn Green LED ON: signaling MEMS Test PASS */
+ STM_EVAL_LEDOn(LED4);
+
+ /* Waiting User Button is pressed */
+ while (STM_EVAL_PBGetState(BUTTON_USER) == Bit_RESET)
+ {}
+
+ /* Waiting User Button is Released */
+ while (STM_EVAL_PBGetState(BUTTON_USER) == Bit_SET)
+ {}
+
+ /* Turn Green LED OFF: signaling the end of MEMS Test and switching to
+ the next Sub Test */
+ STM_EVAL_LEDOff(LED4);
+ }
+ /* MEMS test status: Timeout occurs */
+ else
+ {
+ Fail_Handler();
+ }
+}
+
+/**
+ * @brief Test USB Hardware.
+ * The main objectif of this test is to check the hardware connection of the
+ * Audio and USB peripheral.
+ * @param None
+ * @retval None
+ */
+void USB_Test(void)
+{
+ GPIO_InitTypeDef GPIO_InitStructure;
+
+ /******************************** USB Test **********************************/
+
+ /*----------------- Part1: without cables connected ------------------------*/
+
+ /* GPIOA, GPIOC and GPIOD clock enable */
+ RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA | RCC_AHB1Periph_GPIOC | \
+ RCC_AHB1Periph_GPIOD, ENABLE);
+
+ /* GPIOD Configuration: Pins 5 in output push-pull */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
+ GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+ GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_Init(GPIOD, &GPIO_InitStructure);
+
+ /* Turn LED8 ON using PD5 */
+ GPIO_ResetBits(GPIOD, GPIO_Pin_5);
+
+ /* GPIOC Configuration: Pin 0 in output push-pull */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
+ GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+ GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_Init(GPIOC, &GPIO_InitStructure);
+
+ /* GPIOA Configuration: Pin 9 in input pull-up */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
+ GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+ GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
+
+ /* Turn LED7 ON using PC0 (5v) */
+ GPIO_ResetBits(GPIOC, GPIO_Pin_0);
+
+ /* Waiting delay 10ms */
+ Delay(1);
+
+ if (GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_9) == Bit_RESET)
+ {
+ Fail_Handler();
+ }
+
+ /* GPIOA Configuration: Pins 10 in output push-pull */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
+ GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+ GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
+
+ /* Waiting delay 10ms */
+ Delay(1);
+
+ /* Check the ID level without cable connected */
+ if (GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_10) == Bit_RESET)
+ {
+ Fail_Handler();
+ }
+
+ /* Turn LED7 OFF using PC0 */
+ GPIO_SetBits(GPIOC, GPIO_Pin_0);
+
+ /* GPIOA Configuration: Pins 11, 12 in input pull-up */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11 | GPIO_Pin_12;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
+ GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+ GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
+
+ /* GPIOA Configuration: Pin 9 in output push-pull */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
+ GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+ GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
+ GPIO_ResetBits(GPIOA, GPIO_Pin_9);
+
+ /* Waiting delay 10ms */
+ Delay(1);
+
+ /* Check PA11 and PA12 level without cable connected */
+ if ((GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_11) == Bit_RESET) || \
+ (GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_12) == Bit_RESET))
+ {
+ Fail_Handler();
+ }
+
+ /* GPIOA Configuration: Pins 12 in input pull-up */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
+ GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+ GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
+
+ /* GPIOA Configuration: Pin 11 in output push-pull */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
+ GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+ GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
+ GPIO_ResetBits(GPIOA, GPIO_Pin_11);
+
+ /* Waiting delay 10ms */
+ Delay(1);
+
+ /* Check PA12 level without cable connected */
+ if (GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_12) == Bit_RESET)
+ {
+ Fail_Handler();
+ }
+
+ /* GPIOA Configuration: Pins 11 in input pull-up */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
+ GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+ GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
+
+ /* GPIOA Configuration: Pin 12 in output push-pull */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
+ GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+ GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
+ GPIO_ResetBits(GPIOA, GPIO_Pin_12);
+
+ /* Waiting delay 10ms */
+ Delay(1);
+
+ /* Check PA12 level without cable connected */
+ if (GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_11) == Bit_RESET)
+ {
+ Fail_Handler();
+ }
+
+ /* GPIOA Configuration: Pins 9 in output push-pull */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
+ GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+ GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
+
+ /* Turn LED7 ON using PA9 */
+ GPIO_SetBits(GPIOA, GPIO_Pin_9);
+
+ /* Turn Green LED ON: signaling Audio USB Test part1 PASS */
+ STM_EVAL_LEDOn(LED4);
+
+ /* Waiting User Button is pressed */
+ while (STM_EVAL_PBGetState(BUTTON_USER) == Bit_RESET)
+ {}
+
+ /* Waiting User Button is Released */
+ while (STM_EVAL_PBGetState(BUTTON_USER) != Bit_RESET)
+ {}
+
+ /* Turn Green LED OFF: signaling the end of Audio USB Test part1 and switching to
+ the part2 */
+ STM_EVAL_LEDOff(LED4);
+
+ /* Turn LED7 OFF using PA9 */
+ GPIO_ResetBits(GPIOA, GPIO_Pin_9);
+
+ /* Turn LED8 OFF using PD5 */
+ GPIO_SetBits(GPIOD, GPIO_Pin_5);
+
+ /*--------------- Part2: with Audio USB cables connected ------------------*/
+
+ /*********************************** USB Test *******************************/
+ /* Check the ID level with cable connected */
+ if (GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_10) != Bit_RESET)
+ {
+ Fail_Handler();
+ }
+
+ /* GPIOA Configuration: Pins 11, 12 in input pull-down */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11 | GPIO_Pin_12;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
+ GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+ GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
+
+ /* GPIOA Configuration: Pin 9 in output push-pull */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
+ GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+ GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
+ GPIO_SetBits(GPIOA, GPIO_Pin_9);
+
+ /* Waiting delay 10ms */
+ Delay(1);
+
+ /* Check PA11 and PA12 level with cable connected */
+ if ((GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_11) == Bit_RESET) || \
+ (GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_12) == Bit_RESET))
+ {
+ Fail_Handler();
+ }
+
+ /* GPIOA Configuration: Pins 9, 12 in input pull-down */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9 | GPIO_Pin_12;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
+ GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+ GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
+
+ /* GPIOA Configuration: Pin 11 in output push-pull */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
+ GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+ GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
+ GPIO_SetBits(GPIOA, GPIO_Pin_11);
+
+ /* Waiting delay 10ms */
+ Delay(1);
+
+ /* Check PA9 and PA12 level with cable connected */
+ if ((GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_9) == Bit_RESET)|| \
+ (GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_12) == Bit_RESET))
+ {
+ Fail_Handler();
+ }
+
+ /* GPIOA Configuration: Pins 9, 11 in input pull-down */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9 | GPIO_Pin_11;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
+ GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+ GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
+
+ /* GPIOA Configuration: Pin 12 in output push-pull */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
+ GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+ GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
+ GPIO_SetBits(GPIOA, GPIO_Pin_12);
+
+ /* Waiting delay 10ms */
+ Delay(1);
+
+ /* Check PA9 and PA12 level with cable connected */
+ if ((GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_9) == Bit_RESET)|| \
+ (GPIO_ReadInputDataBit(GPIOA, GPIO_Pin_11) == Bit_RESET))
+ {
+ Fail_Handler();
+ }
+
+ /* GPIOA Configuration: Pins 11, 12 in input pull-down */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11 | GPIO_Pin_12;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
+ GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+ GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
+
+ /* GPIOA Configuration: Pin 9 in output push-pull */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
+ GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+ GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
+
+ /* Turn LED7 OFF using PA9 */
+ GPIO_ResetBits(GPIOA, GPIO_Pin_9);
+}
+
+/**
+ * @brief Test Audio Hardware.
+ * The main objectif of this test is to check the hardware connection of the
+ * Audio peripheral.
+ * @param None
+ * @retval None
+ */
+void Audio_Test(void)
+{
+ GPIO_InitTypeDef GPIO_InitStructure;
+ uint8_t audioteststatus = 0x00;
+
+ RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1, ENABLE);
+ RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC2, ENABLE);
+
+ /* Set the current audio interface: I2S or DAC */
+ EVAL_AUDIO_SetAudioInterface(AUDIO_INTERFACE_I2S);
+
+ /* Initialize the Audio codec and all related peripherals (I2S, I2C, IOs...) */
+ if (EVAL_AUDIO_Init(OUTPUT_DEVICE_HEADPHONE, 87, I2S_AudioFreq_48k) !=0)
+ {
+ Fail_Handler();
+ }
+ /* I2S code to be exectued under the I2S interrupt */
+ DACTest = 0;
+
+ /* ADC Common Init */
+ ADC_CommonInitStructure.ADC_Mode = ADC_Mode_Independent;
+ ADC_CommonInitStructure.ADC_Prescaler = ADC_Prescaler_Div8;
+ ADC_CommonInitStructure.ADC_DMAAccessMode = ADC_DMAAccessMode_Disabled;
+ ADC_CommonInitStructure.ADC_TwoSamplingDelay = ADC_TwoSamplingDelay_20Cycles;
+ ADC_CommonInit(&ADC_CommonInitStructure);
+
+ /* ADC peripherals Init */
+ ADC_StructInit(&ADC_InitStructure);
+ ADC_InitStructure.ADC_Resolution = ADC_Resolution_8b;
+ ADC_InitStructure.ADC_ScanConvMode = DISABLE;
+ ADC_InitStructure.ADC_ContinuousConvMode = DISABLE;
+ ADC_InitStructure.ADC_ExternalTrigConvEdge = ADC_ExternalTrigConvEdge_None;
+ ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
+ ADC_InitStructure.ADC_NbrOfConversion = 1;
+ ADC_Init(ADC1, &ADC_InitStructure);
+
+ ADC_Init(ADC2, &ADC_InitStructure);
+
+ /* Configure ADC Channels pin as analog input */
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AN;
+ GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL ;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
+
+ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3 ;
+ GPIO_Init(GPIOA, &GPIO_InitStructure);
+
+ counter1 = 0;
+ counter0 = 0;
+ audioteststatus = 0;
+ /* ADCperipheral[PerIdx] Regular Channel Config */
+ ADC_RegularChannelConfig(ADC1, ADC_Channel_2, 1, ADC_SampleTime_56Cycles);
+ /* ADCperipheral[PerIdx] Regular Channel Config */
+ ADC_RegularChannelConfig(ADC2, ADC_Channel_3, 1, ADC_SampleTime_56Cycles);
+ /* Enable ADC1 */
+ ADC_Cmd(ADC1, ENABLE);
+ ADC_Cmd(ADC2, ENABLE);
+
+ TimingDelay = 500;
+ /* Wait until detecting 500 data*/
+ while((audioteststatus == 0)&&(TimingDelay != 0))
+ {
+ ADC_SoftwareStartConv(ADC1);
+ while(ADC_GetFlagStatus(ADC1, ADC_FLAG_EOC) == RESET);
+ ConvData1 = ADC_GetConversionValue(ADC1);
+
+ ADC_SoftwareStartConv(ADC2);
+ while(ADC_GetFlagStatus(ADC2, ADC_FLAG_EOC) == RESET);
+ ConvData2 = ADC_GetConversionValue(ADC2);
+
+ /* 1.75V equals to 150 */
+ if ((ConvData1 > 150) && (ConvData2 < 10) && (counter1 != 500))
+ {
+ counter1 ++;
+ }
+ if ((ConvData1 < 10) && (ConvData2 > 150) && (counter0 != 500))
+ {
+ counter0 ++;
+ }
+ if((counter1 == 500) && (counter0 == 500))
+ {
+ audioteststatus = 1;
+ }
+ }
+
+ /* Disable ADC Peripherals */
+ ADC_Cmd(ADC1, DISABLE);
+ ADC_Cmd(ADC2, DISABLE);
+
+ /* Audio test status: FAIL */
+ if(audioteststatus == 0)
+ {
+ Fail_Handler();
+ }
+
+ EVAL_AUDIO_DeInit();
+ EVAL_AUDIO_SetAudioInterface(AUDIO_INTERFACE_DAC);
+ /* Initialize the Audio codec and all related peripherals (I2S, I2C, IOs...) */
+ if (EVAL_AUDIO_Init(OUTPUT_DEVICE_HEADPHONE, 100, I2S_AudioFreq_48k) !=0)
+ {
+ Fail_Handler();
+ }
+
+ /* DAC code to be exectued under the I2S interrupt */
+ DACTest = 1;
+ counter1 = 0;
+ counter0 = 0;
+ audioteststatus = 0;
+
+ /* Enable ADC1 */
+ ADC_Cmd(ADC1, ENABLE);
+ ADC_Cmd(ADC2, ENABLE);
+
+ TimingDelay = 500;
+ /* Wait until detecting 50 data*/
+ while((audioteststatus == 0)&&(TimingDelay != 0))
+ {
+
+ ADC_SoftwareStartConv(ADC1);
+ while(ADC_GetFlagStatus(ADC1, ADC_FLAG_EOC) == RESET);
+
+ ConvData1 = ADC_GetConversionValue(ADC1);
+
+ ADC_SoftwareStartConv(ADC2);
+ while(ADC_GetFlagStatus(ADC2, ADC_FLAG_EOC) == RESET);
+
+ ConvData2 = ADC_GetConversionValue(ADC2);
+
+ /* 2.0V equals to 170 */
+ if ((ConvData1 > 170) && (ConvData2 > 170) &&(counter1 != 500))
+ {
+ counter1 ++;
+ }
+ if ((ConvData1 < 10) && (ConvData2 < 10) && (counter0 != 500))
+ {
+ counter0 ++;
+ }
+ if((counter1 == 500) && (counter0 == 500))
+ {
+ audioteststatus = 1;
+ }
+ }
+
+ /* Audio test status: FAIL */
+ if(audioteststatus == 0x00)
+ {
+ Fail_Handler();
+ }
+
+ /* Turn Green LED ON: signaling Audio USB Test part2 PASS */
+ STM_EVAL_LEDOn(LED4);
+
+ /* Waiting User_Button pressed */
+ while (STM_EVAL_PBGetState(BUTTON_USER) == Bit_RESET)
+ {}
+
+ /* Turn Green LED OFF: signaling the end of Audio USB Test part2 */
+ STM_EVAL_LEDOff(LED4);
+}
+
+/**
+ * @brief Test Micophone MEMS Hardware.
+ * The main objectif of this test is to check the hardware connection of the
+ * Microphone MEMS peripheral.
+ * @param None
+ * @retval None
+ */
+void Microphone_MEMS_Test(void)
+{
+ uint16_t data = 0x00;
+ uint8_t index = 0x00;
+ I2S_InitTypeDef I2S_InitStructure;
+ GPIO_InitTypeDef GPIO_InitStructure;
+
+ /* Enable the SPI clock */
+ RCC_APB1PeriphClockCmd(RCC_APB1Periph_SPI2, ENABLE);
+
+ /* Enable GPIO clocks */
+ RCC_AHB1PeriphClockCmd(SPI_SCK_GPIO_CLK | SPI_MOSI_GPIO_CLK, ENABLE);
+
+ GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
+ GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
+ GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
+ GPIO_InitStructure.GPIO_Speed = GPIO_Speed_25MHz;
+
+ /* SPI SCK pin configuration */
+ GPIO_InitStructure.GPIO_Pin = SPI_SCK_PIN;
+ GPIO_Init(SPI_SCK_GPIO_PORT, &GPIO_InitStructure);
+
+ /* Connect SPI pins to AF5 */
+ GPIO_PinAFConfig(SPI_SCK_GPIO_PORT, SPI_SCK_SOURCE, SPI_SCK_AF);
+
+ /* SPI MOSI pin configuration */
+ GPIO_InitStructure.GPIO_Pin = SPI_MOSI_PIN;
+ GPIO_Init(SPI_MOSI_GPIO_PORT, &GPIO_InitStructure);
+
+ GPIO_PinAFConfig(SPI_MOSI_GPIO_PORT, SPI_MOSI_SOURCE, SPI_MOSI_AF);
+
+ /* I2S configuration -------------------------------------------------------*/
+ SPI_I2S_DeInit(SPI2);
+ I2S_InitStructure.I2S_AudioFreq = 64000;
+ I2S_InitStructure.I2S_Standard = I2S_Standard_MSB;
+ I2S_InitStructure.I2S_DataFormat = I2S_DataFormat_16b;
+ I2S_InitStructure.I2S_CPOL = I2S_CPOL_Low;
+ I2S_InitStructure.I2S_Mode = I2S_Mode_MasterRx;
+ I2S_InitStructure.I2S_MCLKOutput = I2S_MCLKOutput_Disable;
+ /* Initialize the I2S peripheral with the structure above */
+ I2S_Init(SPI2, &I2S_InitStructure);
+
+ /* Enable the I2S peripheral */
+ I2S_Cmd(SPI2, ENABLE);
+
+ /* Waiting until MEMS microphone ready : Wake-up Time */
+ Delay(10);
+
+ TimingDelay = 500;
+ /* Wait until detect the click on the MEMS microphone or TimeOut delay*/
+ while((index < 30) && (TimingDelay != 0x00))
+ {
+ /* Waiting RXNE Flag or TimeOut delay */
+ while((SPI_I2S_GetFlagStatus(SPI2, SPI_FLAG_RXNE) == RESET)&& (TimingDelay != 0x00))
+ {}
+ data = SPI_I2S_ReceiveData(SPI2);
+ if (data == 0xFFFF)
+ {
+ index++;
+ }
+ }
+
+ /* MEMS microphone test status: Timeout occurs */
+ if(index != 30)
+ {
+ Fail_Handler();
+ }
+}
+
+/*--------------------------------
+ Callbacks implementation:
+ the callbacks prototypes are defined in the stm324xg_eval_audio_codec.h file
+ and their implementation should be done in the user code if they are needed.
+ Below some examples of callback implementations.
+ --------------------------------------------------------*/
+/**
+ * @brief Calculates the remaining file size and new position of the pointer.
+ * @param None
+ * @retval None
+ */
+void EVAL_AUDIO_TransferComplete_CallBack(uint32_t pBuffer, uint32_t Size)
+{
+ /* Calculate the remaining audio data in the file and the new size
+ for the DMA transfer. If the Audio files size is less than the DMA max
+ data transfer size, so there is no calculation to be done, just restart
+ from the beginning of the file ... */
+ /* Check if the end of file has been reached */
+
+}
+
+/**
+ * @brief Manages the DMA Half Transfer complete interrupt.
+ * @param None
+ * @retval None
+ */
+void EVAL_AUDIO_HalfTransfer_CallBack(uint32_t pBuffer, uint32_t Size)
+{
+#ifdef AUDIO_MAL_MODE_CIRCULAR
+
+ /* Display message on the LCD screen */
+ LCD_DisplayStringLine(Line8, " 1/2 Buffer Reached ");
+
+#endif /* AUDIO_MAL_MODE_CIRCULAR */
+
+ /* Generally this interrupt routine is used to load the buffer when
+ a streaming scheme is used: When first Half buffer is already transferred load
+ the new data to the first half of buffer while DMA is transferring data from
+ the second half. And when Transfer complete occurs, load the second half of
+ the buffer while the DMA is transferring from the first half ... */
+ /*
+ ...........
+ */
+}
+/**
+ * @brief Get next data sample callback
+ * @param None
+ * @retval Next data sample to be sent
+ */
+uint16_t EVAL_AUDIO_GetSampleCallBack(void)
+{
+ uint16_t data = 0;
+
+ if (DACTest == 0)
+ {
+ if (Left_Right==0)
+ {
+ /* Get the next sample to be sent */
+ data = sinebuf[count++];
+
+ if (count == 48)
+ {
+ count = 0x00;
+ }
+ Left_Right = 1;
+ }
+ else
+ {
+ /* Get the next sample to be sent */
+ data = sinebuf[count1++];
+
+ if (count1 == 48)
+ {
+ count1 = 0x00;
+ }
+ Left_Right = 0;
+ }
+ }
+ else
+ {
+ /* Get the next sample to be sent */
+ data = 32768 + sinebuf[count++];
+
+ if (count == 48)
+ {
+ count = 0x00;
+ }
+ }
+ return data;
+}
+
+
+/**
+ * @brief Manages the DMA FIFO error interrupt.
+ * @param None
+ * @retval None
+ */
+void EVAL_AUDIO_Error_CallBack(void* pData)
+{
+ /* Stop the program with an infinite loop */
+ while (1)
+ {}
+
+ /* could also generate a system reset to recover from the error */
+ /* .... */
+}
+
+#ifndef USE_DEFAULT_TIMEOUT_CALLBACK
+/**
+ * @brief Basic management of the timeout situation.
+ * @param None.
+ * @retval None.
+ */
+uint32_t Codec_TIMEOUT_UserCallback(void)
+{
+ /* Block communication and all processes */
+ while (1)
+ {
+ }
+}
+#endif /* USE_DEFAULT_TIMEOUT_CALLBACK */
+/*----------------------------------------------------------------------------*/
+
+
+/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
projects / fw / stlink / blobdiff