pwarren/PSDR
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Got a timer up and going, and it's firing interrupts! Next up is to change the audio capture to use the interrupt and some buffers. Basically separate the display loop stuff.

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This commit is contained in:
Michael Colton 2014-06-23 00:00:31 -06:00
parent 54c72734a0
commit 8c308e12c0
9 changed files with 140 additions and 48 deletions
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Hardware/PSDR.sch
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Source/.cproject
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@ -181,8 +181,8 @@
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@ -765,7 +765,7 @@
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2
Source/.project
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@ -1,6 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>test</name>
<name>PSDR</name>
<comment></comment>
<projects>
</projects>

4
Source/.settings/language.settings.xml
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@ -5,7 +5,7 @@
<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
<provider class="org.eclipse.cdt.managedbuilder.language.settings.providers.GCCBuiltinSpecsDetector" console="false" env-hash="-45507388147428524" id="ilg.gnuarmeclipse.managedbuild.cross.GCCBuiltinSpecsDetector" keep-relative-paths="false" name="CDT GCC Built-in Compiler Settings Cross ARM" parameter="${COMMAND} ${FLAGS} ${cross_toolchain_flags} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
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<language-scope id="org.eclipse.cdt.core.gcc"/>
<language-scope id="org.eclipse.cdt.core.g++"/>
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@ -16,7 +16,7 @@
<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
<provider-reference id="org.eclipse.cdt.core.ReferencedProjectsLanguageSettingsProvider" ref="shared-provider"/>
<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
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2
Source/include/main.h
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@ -4,6 +4,7 @@
#include "stm32f4xx.h"
//#include "core_cmInstr.h"
#include <stdio.h>
#include "stddef.h"
#include "diag/Trace.h"
#include "hal.h"
#include "adc.h"
@ -24,3 +25,4 @@
#include "stm32f4xx_hal_cortex.h"
#include "misc.h"
TIM_HandleTypeDef TimHandle;

86
Source/src/main.c
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@ -288,9 +288,9 @@ Adafruit_GFX_drawTriangle(121,119,131,124,131,114,ILI9340_WHITE);
Adafruit_GFX_write('.');
TIM_setup();
TIM_Config();
//TIM_setup();
//TIM_Config();
TIM_Try();
Adafruit_ILI9340_setVerticalScrollDefinition(200,120,0);
long long timeMeasurement = 0;
while(1)
@ -506,8 +506,9 @@ counter = 0;
}
//TIM_TimeBaseInitTypeDef timeBaseStructure;
TIM_HandleTypeDef TimHandle;
//TIM_OC_InitTypeDef tsConfig;
TIM_OC_InitTypeDef tsConfig;
#define PULSE1_VALUE 40961 /* Capture Compare 1 Value */
uint32_t uwPrescalerValue = 0;
void TIM_setup()
{
@ -555,6 +556,30 @@ void TIM_setup()
doNothing();
}
/*##-2- Configure the PWM channels #########################################*/
/* Common configuration */
tsConfig.OCMode = TIM_OCMODE_TIMING;
tsConfig.OCPolarity = TIM_OCPOLARITY_HIGH;
tsConfig.OCFastMode = TIM_OCFAST_DISABLE;
/* Set the pulse value for channel 1 */
tsConfig.Pulse = PULSE1_VALUE;
if(HAL_TIM_OC_ConfigChannel(&TimHandle, &tsConfig, TIM_CHANNEL_1) != HAL_OK)
{
/* Initialization Error */
//Error_Handler();
doNothing();
}
/*##-4- Start the Output Compare mode in interrupt mode ####################*/
/* Start Channel1 */
if(HAL_TIM_OC_Start_IT(&TimHandle, TIM_CHANNEL_1) != HAL_OK)
{
/* Initialization Error */
//Error_Handler();
doNothing();
}
}
@ -581,7 +606,58 @@ void TIM_Config(void)
}
TIM_TypeDef timTimBase;
//TIM_HandleTypeDef timHandle;
/* Definition for TIMx's NVIC */
#define TIMx_IRQn TIM3_IRQn
#define TIMx_IRQHandler TIM3_IRQHandler
void TIM_Try(void)
{
uwPrescalerValue = (uint32_t) ((SystemCoreClock/2) / 60000) - 1;
//NVIC_PriorityGroupConfig(NVIC_PriorityGroup_0);
__TIM3_CLK_ENABLE();
TimHandle.Instance = TIM3;
TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimHandle.Init.Period = 65535;
TimHandle.Init.Prescaler = uwPrescalerValue;
TimHandle.Init.ClockDivision = 0;
HAL_TIM_Base_Init(&TimHandle);
HAL_TIM_Base_Start_IT(&TimHandle);
/*##-2- Configure the NVIC for TIMx #########################################*/
/* Set the TIMx priority */
HAL_NVIC_SetPriority(TIMx_IRQn, 0, 1);
/* Enable the TIMx global Interrupt */
HAL_NVIC_EnableIRQ(TIMx_IRQn);
// int tim3;
// while(1)
// {
// tim3 = timTryHandle.Instance->CNT;
// }
}
int ledState = 0;
HAL_TIM_PeriodElapsedCallback(htim)
{
doNothing();
if(ledState)
{
blink_led_off();
ledState = 0;
}
else
{
blink_led_on();
ledState = 1;
}
}
#pragma GCC diagnostic pop

86
Source/src/stm32f4xx_it.c
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@ -149,6 +149,8 @@ __attribute__((weak)) void SysTick_Handler(void)
/* STM32F4xx Peripherals Interrupt Handlers */
/******************************************************************************/
extern TIM_HandleTypeDef TimHandle;
/**
* @brief This function handles TIM3 global interrupt request.
* @param None
@ -156,44 +158,54 @@ __attribute__((weak)) void SysTick_Handler(void)
*/
void TIM3_IRQHandler(void)
{
doNothing();
// if (TIM_GetITStatus(TIM3, TIM_IT_CC1) != RESET)
// {
// TIM_ClearITPendingBit(TIM3, TIM_IT_CC1);
//
// /* LED1 toggling with frequency = 73.24 Hz */
// //STM_EVAL_LEDToggle(LED1);
// capture = TIM_GetCapture1(TIM3);
// TIM_SetCompare1(TIM3, capture + CCR1_Val);
// }
// else if (TIM_GetITStatus(TIM3, TIM_IT_CC2) != RESET)
// {
// TIM_ClearITPendingBit(TIM3, TIM_IT_CC2);
//
// /* LED2 toggling with frequency = 109.8 Hz */
// //STM_EVAL_LEDToggle(LED2);
// capture = TIM_GetCapture2(TIM3);
// TIM_SetCompare2(TIM3, capture + CCR2_Val);
// }
// else if (TIM_GetITStatus(TIM3, TIM_IT_CC3) != RESET)
// {
// TIM_ClearITPendingBit(TIM3, TIM_IT_CC3);
//
// /* LED3 toggling with frequency = 219.7 Hz */
// //STM_EVAL_LEDToggle(LED3);
// capture = TIM_GetCapture3(TIM3);
// TIM_SetCompare3(TIM3, capture + CCR3_Val);
// }
// else
// {
// TIM_ClearITPendingBit(TIM3, TIM_IT_CC4);
//
// /* LED4 toggling with frequency = 439.4 Hz */
// // STM_EVAL_LEDToggle(LED4);
// capture = TIM_GetCapture4(TIM3);
// TIM_SetCompare4(TIM3, capture + CCR4_Val);
// }
HAL_TIM_IRQHandler(&TimHandle);
}
//void TIM3_IRQHandler(void)
//{
// __HAL_TIM_CLEAR_IT(htim, TIM_IT_UPDATE);
// doNothing();
//// if (TIM_GetITStatus(TIM3, TIM_IT_CC1) != RESET)
//// {
//// TIM_ClearITPendingBit(TIM3, TIM_IT_CC1);
////
//// /* LED1 toggling with frequency = 73.24 Hz */
//// //STM_EVAL_LEDToggle(LED1);
//// capture = TIM_GetCapture1(TIM3);
//// TIM_SetCompare1(TIM3, capture + CCR1_Val);
//// }
//// else if (TIM_GetITStatus(TIM3, TIM_IT_CC2) != RESET)
//// {
//// TIM_ClearITPendingBit(TIM3, TIM_IT_CC2);
////
//// /* LED2 toggling with frequency = 109.8 Hz */
//// //STM_EVAL_LEDToggle(LED2);
//// capture = TIM_GetCapture2(TIM3);
//// TIM_SetCompare2(TIM3, capture + CCR2_Val);
//// }
//// else if (TIM_GetITStatus(TIM3, TIM_IT_CC3) != RESET)
//// {
//// TIM_ClearITPendingBit(TIM3, TIM_IT_CC3);
////
//// /* LED3 toggling with frequency = 219.7 Hz */
//// //STM_EVAL_LEDToggle(LED3);
//// capture = TIM_GetCapture3(TIM3);
//// TIM_SetCompare3(TIM3, capture + CCR3_Val);
//// }
//// else
//// {
//// TIM_ClearITPendingBit(TIM3, TIM_IT_CC4);
////
//// /* LED4 toggling with frequency = 439.4 Hz */
//// // STM_EVAL_LEDToggle(LED4);
//// capture = TIM_GetCapture4(TIM3);
//// TIM_SetCompare4(TIM3, capture + CCR4_Val);
//// }
//}
//void TIM3_IRQn(void)
//{
// doNothing();
//}
/******************************************************************************/
/* STM32F4xx Peripherals Interrupt Handlers */

1
Source/system/src/stm32f4-hal/stm32f4xx_hal_spi.c
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@ -78,6 +78,7 @@
/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_hal.h"
#include "stddef.h"
/** @addtogroup STM32F4xx_HAL_Driver
* @{

1
Source/system/src/stm32f4-hal/stm32f4xx_hal_tim.c
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@ -127,6 +127,7 @@
/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx_hal.h"
#include "stddef.h"
/** @addtogroup STM32F4xx_HAL_Driver
* @{