Keil: Error-Flash-download-failed-Cortex-M0

[fedex03]

Posted on July 21, 2013 at 23:58

Hi,

use

the

STM32F103

microcontroller

for my thesis

.

The firmware

uses different

Timer,

2

ADC

, SPI

and some

GPIOs

.

Until yesterday

everything worked

perfectly

but since I

decided to use

two timers

in

master / slave mode

,

to generate two

PWM

, I get the

following error

in Keil

: Error-Flash-download

-failed-

Cortex-

M0. A

fter downloading of the

new firmware, the microcontroller is

working properly

and is able to

perform different tasks

, but when

I want to load

a new firmware

I get

the error: ''

Error-

Flash-download

-failed-

Cortex-

M0''.

I checked

if the download algorithm

is

the correct one.

I deleted

the target and

compiled all the

code

in Keil

.

For now,

the only way to

retrieve my

board is

replaced

the

micrcontrollore

with another

one

and not

load the latest firmware

.

This is the function

that I added

: void STM32_PumpEnable(unsigned short DutyCycle,unsigned short FullPeriod,u16presc) 2  { 3 4  /*Configurazione GPIO PIN_POMPA_PIEZO1*/ 5  GPIO_InitStructure.GPIO_Mode=GPIO_Mode_AF_PP; 6  GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz; 7  GPIO_InitStructure.GPIO_Pin=PIN_POMPA_PIEZO1; 8  GPIO_Init(BANCO_POMPA,&GPIO_InitStructure); 9 10 11  /* Uscita Canale 3 Negato */ 12  GPIO_N_InitStructure.GPIO_Mode=GPIO_Mode_AF_PP; 13  GPIO_N_InitStructure.GPIO_Speed=GPIO_Speed_50MHz; 14  GPIO_N_InitStructure.GPIO_Pin=GPIO_Pin_1; 15  GPIO_Init(GPIOB,&GPIO_N_InitStructure); 16 17  /* Inizializzazione Timer8 - Piezo 1 */ 18  TIM_TimeBaseStructure.TIM_Period=FullPeriod; 19  TIM_TimeBaseStructure.TIM_Prescaler=presc; //0x80 20  TIM_TimeBaseStructure.TIM_ClockDivision=0x00; //0x00 21  TIM_TimeBaseStructure.TIM_CounterMode=TIM_CounterMode_Up; 22  /* Deinitializes the TIMx peripheral registers to their default reset values. */ 23  TIM_DeInit(TIM_PWM_POMPA); 24  /* Initializes the TIMx Time Base Unit peripheral according to the specified parameters in the TIM_TimeBaseInitStruct. */ 25  TIM_TimeBaseInit(TIM_PWM_POMPA,&TIM_TimeBaseStructure); 26  /* Enables or disables TIMx peripheral Preload register on ARR. */ 27  /* Updata timer when overflow occur */ 28  TIM_ARRPreloadConfig(TIM_PWM_POMPA,ENABLE); 29  /* Configurazione Canale PIN_POMPA_PIEZO1*/ 30  TIM_OCInitStructure.TIM_OCMode=TIM_OCMode_PWM1; 31  TIM_OCInitStructure.TIM_Pulse=DutyCycle; 32  TIM_OCInitStructure.TIM_OutputState=TIM_OutputState_Enable; 33  TIM_OCInitStructure.TIM_OCPolarity=TIM_OCPolarity_Low; 34  TIM_OCInitStructure.TIM_OCIdleState=TIM_OCIdleState_Reset; 35  TIM_OC1Init(TIM_PWM_POMPA,&TIM_OCInitStructure); 36  TIM_OC1PreloadConfig(TIM_PWM_POMPA,TIM_OCPreload_Enable); 37  TIM_OC1FastConfig(TIM_PWM_POMPA,TIM_OCFast_Disable); 38 39  /*Sets or Resets the TIMx Master/Slave Mode.*/ 40  TIM_SelectMasterSlaveMode(TIM_PWM_POMPA,TIM_MasterSlaveMode_Enable); 41  /*Enables or Disables the TIMx Update event.*/ 42  TIM_UpdateDisableConfig(TIM_PWM_POMPA,ENABLE); 43  /*Selects the TIMx Trigger Output Mode.*/ 44  TIM_SelectOutputTrigger(TIM_PWM_POMPA,TIM_TRGOSource_Update); 45 46 47  /*Configurazione GPIO PIN_POMPA_PIEZO2*/ 48  GPIO_InitStructure.GPIO_Mode=GPIO_Mode_AF_PP; 49  GPIO_InitStructure.GPIO_Speed=GPIO_Speed_50MHz; 50  GPIO_InitStructure.GPIO_Pin=GPIO_Pin_1; 51  GPIO_Init(GPIOB,&GPIO_InitStructure); 52  /* Inizializzazione Timer3 - Piezo 2 */ 53  TIM_TimeBaseStructure.TIM_Period=FullPeriod; 54  TIM_TimeBaseStructure.TIM_Prescaler=presc; //0x80 55  TIM_TimeBaseStructure.TIM_ClockDivision=0x00; //0x00 56  TIM_TimeBaseStructure.TIM_CounterMode=TIM_CounterMode_Up; 57  /* Deinitializes the TIMx peripheral registers to their default reset values. */ 58  TIM_DeInit(TIM3); Page 1 Funzione.c 21/07/2013 59  /* Initializes the TIMx Time Base Unit peripheral according to the specified parameters in the TIM_TimeBaseInitStruct. */ 60  TIM_TimeBaseInit(TIM3,&TIM_TimeBaseStructure); 61  /* Enables or disables TIMx peripheral Preload register on ARR. */ 62  /* Updata timer when overflow occur */ 63  TIM_ARRPreloadConfig(TIM3,ENABLE); 64 65  /* Configurazione Canale PIN_POMPA_PIEZO2*/ 66  TIM_OCInitStructure.TIM_OCMode=TIM_OCMode_PWM1; 67  TIM_OCInitStructure.TIM_Pulse=DutyCycle; 68  TIM_OCInitStructure.TIM_OutputState=TIM_OutputState_Enable; 69  TIM_OCInitStructure.TIM_OCPolarity=TIM_OCPolarity_Low; 70  TIM_OCInitStructure.TIM_OCIdleState=TIM_OCIdleState_Reset; 71  TIM_OC4Init(TIM3,&TIM_OCInitStructure); 72  TIM_OC4PreloadConfig(TIM3,TIM_OCPreload_Enable); 73  TIM_OC4FastConfig(TIM3,TIM_OCFast_Enable); 74  // TIM_OC3Init(TIM_PWM_POMPA, &TIM_OCInitStructure); 75  // TIM_OC3PreloadConfig(TIM_PWM_POMPA, TIM_OCPreload_Enable); 76  // TIM_OC3FastConfig(TIM_PWM_POMPA, TIM_OCFast_Enable); 77 78  /*Selects the TIMx Slave Mode.*/ 79  TIM_SelectSlaveMode(TIM3,TIM_SlaveMode_Trigger); 80  /*Selects the Input Trigger source*/ 81  TIM_SelectInputTrigger(TIM3,TIM_TS_ITR1); 82 83 84  TIM_CtrlPWMOutputs(TIM_PWM_POMPA,ENABLE); 85  TIM_Cmd(TIM_PWM_POMPA,ENABLE); 86 87  }

This problem

may be due to

a bug

in the libraries

?

Can you help me

to solve this problem?

Thanks to all

Hello

#stm32 #output #discovery #pwm

[Tesla DeLorean]

Posted on July 22, 2013 at 02:08

This problem

may be due to

a bug

in the libraries

? That's a convenient thesis, but probably wrong. Most of these problem come from a failure to appreciate what the silicon will do by the user. It's odd it would be complaining about a M0 with an M3 part, are you sure the target/algorithm settings are correct? If it's a code/pin issue you could set BOOT0 High at boot to run the System Loader instead, and this would save having to physically remove/replace the part. Note there is a source code pasting tool ''Paintbrush [<>]'' icon. Post code with this, without line numbers and with #defines would enable a more clear analysis of what might be going on. You can certainly break the SWD/JTAG interface by programming the GPIO pins incorrectly, with DMA, and low-power WFI loops, among other things.