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Added hardware check on bootup: fault LED will light if Upstream

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firmware is placed on Downstream hardware or vice versa.
pull/7/head
Robert Fisk 9 years ago
parent 2983da24b2
commit 21de622469
5 changed files with 134 additions and 44 deletions
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24
Downstream/Inc/board_config.h
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@ -35,20 +35,18 @@
#define USB_HS_VBUSON_PIN GPIO_PIN_8
#define USB_HS_VBUSON_PORT GPIOA
#define STAT_LED_PIN GPIO_PIN_13
#define STAT_LED_PORT GPIOC
#define STAT_LED_ON (STAT_LED_PORT->BSRR = (STAT_LED_PIN << BSRR_SHIFT_LOW)) //Stat LED is active-low
#define STAT_LED_OFF (STAT_LED_PORT->BSRR = (STAT_LED_PIN << BSRR_SHIFT_HIGH))
#define FAULT_LED_PIN GPIO_PIN_13
#define FAULT_LED_PORT GPIOC
#define FAULT_LED_ON (FAULT_LED_PORT->BSRR = (FAULT_LED_PIN << BSRR_SHIFT_LOW)) //Fault LED is active-low
#define FAULT_LED_OFF (FAULT_LED_PORT->BSRR = (FAULT_LED_PIN << BSRR_SHIFT_HIGH))
//#define RUN_LED_ON......
#define FAULT_LED_ON STAT_LED_ON
#define FAULT_LED_OFF STAT_LED_OFF
#define H405_FAULT_LED_PIN GPIO_PIN_12 //Fault LED on Olimex H405 board
#define H405_FAULT_LED_ON (FAULT_LED_PORT->BSRR = (H405_FAULT_LED_PIN << BSRR_SHIFT_LOW))
#define SPI_INT_ACTIVE_PIN GPIO_PIN_2 /////////Temporary indicator of SPI activity
#define SPI_INT_ACTIVE_PORT GPIOA
#define SPI_INT_ACTIVE_ON SPI_INT_ACTIVE_PORT->BSRR = (SPI_INT_ACTIVE_PIN << BSRR_SHIFT_HIGH)
#define SPI_INT_ACTIVE_OFF SPI_INT_ACTIVE_PORT->BSRR = (SPI_INT_ACTIVE_PIN << BSRR_SHIFT_LOW)
#define INT_ACTIVE_PIN GPIO_PIN_2 //Temporary indicator of SPI (or whatever) activity
#define INT_ACTIVE_PORT GPIOA
#define INT_ACTIVE_ON INT_ACTIVE_PORT->BSRR = (INT_ACTIVE_PIN << BSRR_SHIFT_HIGH)
#define INT_ACTIVE_OFF INT_ACTIVE_PORT->BSRR = (INT_ACTIVE_PIN << BSRR_SHIFT_LOW)
//#define SPI1_NSS_PIN GPIO_PIN_4
//#define SPI1_NSS_PORT GPIOA
@ -58,5 +56,7 @@
#define UPSTREAM_TX_REQUEST_ASSERT (UPSTREAM_TX_REQUEST_PORT->BSRR = (UPSTREAM_TX_REQUEST_PIN << BSRR_SHIFT_LOW))
#define UPSTREAM_TX_REQUEST_DEASSERT (UPSTREAM_TX_REQUEST_PORT->BSRR = (UPSTREAM_TX_REQUEST_PIN << BSRR_SHIFT_HIGH))
#define DBGMCU_IDCODE_DEV_ID_405_407_415_417 0x413
#endif /* INC_BOARD_CONFIG_H_ */

4
Downstream/Src/interrupts.c
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@ -84,9 +84,9 @@ void DMA2_Stream3_IRQHandler(void)
void OTG_FS_IRQHandler(void)
{
SPI_INT_ACTIVE_ON;
INT_ACTIVE_ON;
HAL_HCD_IRQHandler(&hhcd_USB_OTG_FS);
SPI_INT_ACTIVE_OFF;
INT_ACTIVE_OFF;
}

56
Downstream/Src/main.c
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@ -45,11 +45,16 @@
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void GPIO_Init(void);
void CheckFirmwareMatchesHardware(void);
int main(void)
{
//First things first!
CheckFirmwareMatchesHardware();
/* Configure the system clock */
SystemClock_Config();
@ -71,6 +76,45 @@ int main(void)
}
void CheckFirmwareMatchesHardware(void)
{
//Check we are running on the expected hardware:
//STM32F407 on an Olimex dev board
GPIO_InitTypeDef GPIO_InitStruct;
if ((*(uint32_t*)DBGMCU_BASE & DBGMCU_IDCODE_DEV_ID) == DBGMCU_IDCODE_DEV_ID_405_407_415_417)
{
//The H407 board has a STAT LED on PC13. If there is no pullup on this pin,
//then we are probably running on another board.
__HAL_RCC_GPIOC_CLK_ENABLE();
GPIO_InitStruct.Pin = FAULT_LED_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_PULLDOWN;
GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
GPIO_InitStruct.Alternate = 0;
HAL_GPIO_Init(FAULT_LED_PORT, &GPIO_InitStruct);
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(FAULT_LED_PORT, &GPIO_InitStruct);
if (FAULT_LED_PORT->IDR & FAULT_LED_PIN)
{
//Pin pulls up, so this is an H407 board :)
return;
}
}
//This is not the hardware we expected, so turn on our fault LED(s) and die in a heap.
GPIO_InitStruct.Pin = FAULT_LED_PIN | H405_FAULT_LED_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(FAULT_LED_PORT, &GPIO_InitStruct);
FAULT_LED_ON;
H405_FAULT_LED_ON;
while (1);
}
/** System Clock Configuration
*/
void SystemClock_Config(void)
@ -158,14 +202,14 @@ void GPIO_Init(void)
HAL_GPIO_Init(USB_HS_VBUSON_PORT, &GPIO_InitStruct);
//STAT_LED is output
STAT_LED_OFF;
GPIO_InitStruct.Pin = STAT_LED_PIN;
HAL_GPIO_Init(STAT_LED_PORT, &GPIO_InitStruct);
FAULT_LED_OFF;
GPIO_InitStruct.Pin = FAULT_LED_PIN;
HAL_GPIO_Init(FAULT_LED_PORT, &GPIO_InitStruct);
//SPI_INT_ACTIVE indicator
GPIO_InitStruct.Pin = SPI_INT_ACTIVE_PIN;
HAL_GPIO_Init(SPI_INT_ACTIVE_PORT, &GPIO_InitStruct);
SPI_INT_ACTIVE_OFF;
GPIO_InitStruct.Pin = INT_ACTIVE_PIN;
HAL_GPIO_Init(INT_ACTIVE_PORT, &GPIO_InitStruct);
INT_ACTIVE_OFF;
}

17
Upstream/Inc/board_config.h
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@ -25,16 +25,15 @@
#define USB_P_PIN GPIO_PIN_4
#define USB_P_PORT GPIOC
#define STAT_LED_PIN GPIO_PIN_12
#define STAT_LED_PORT GPIOC
#define STAT_LED_ON (STAT_LED_PORT->BSRR = (STAT_LED_PIN << BSRR_SHIFT_LOW)) //Stat LED is active-low
#define STAT_LED_OFF (STAT_LED_PORT->BSRR = (STAT_LED_PIN << BSRR_SHIFT_HIGH))
#define FAULT_LED_PIN GPIO_PIN_12
#define FAULT_LED_PORT GPIOC
#define FAULT_LED_ON (FAULT_LED_PORT->BSRR = (FAULT_LED_PIN << BSRR_SHIFT_LOW)) //Fault LED is active-low
#define FAULT_LED_OFF (FAULT_LED_PORT->BSRR = (FAULT_LED_PIN << BSRR_SHIFT_HIGH))
//#define RUN_LED_ON......
#define FAULT_LED_ON STAT_LED_ON
#define FAULT_LED_OFF STAT_LED_OFF
#define OTHER_BOARDS_FAULT_LED_PIN GPIO_PIN_13 //Fault LED on Olimex H407 board, and USG v1.0
#define OTHER_BOARDS_FAULT_LED_ON (FAULT_LED_PORT->BSRR = (OTHER_BOARDS_FAULT_LED_PIN << BSRR_SHIFT_LOW))
#define INT_ACTIVE_PIN GPIO_PIN_5 /////////Temporary indicator of SPI activity
#define INT_ACTIVE_PIN GPIO_PIN_5 //Temporary indicator of SPI (or whatever) activity
#define INT_ACTIVE_PORT GPIOB
#define INT_ACTIVE_ON INT_ACTIVE_PORT->BSRR = (INT_ACTIVE_PIN << BSRR_SHIFT_HIGH)
#define INT_ACTIVE_OFF INT_ACTIVE_PORT->BSRR = (INT_ACTIVE_PIN << BSRR_SHIFT_LOW)
@ -48,5 +47,7 @@
#define DOWNSTREAM_TX_OK_PORT GPIOA
#define DOWNSTREAM_TX_OK_ACTIVE (!(DOWNSTREAM_TX_OK_PORT->IDR & DOWNSTREAM_TX_OK_PIN))
#define DBGMCU_IDCODE_DEV_ID_405_407_415_417 0x413
#endif /* INC_BOARD_CONFIG_H_ */

77
Upstream/Src/main.c
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@ -50,32 +50,77 @@
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
static void GPIO_Init(void);
void CheckFirmwareMatchesHardware(void);
int main(void)
{
/* Configure the system clock */
SystemClock_Config();
//First things first!
CheckFirmwareMatchesHardware();
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* Initialize all configured peripherals */
GPIO_Init();
LED_Init();
USB_Device_Init();
/* Configure the system clock */
SystemClock_Config();
Upstream_InitStateMachine();
/* Reset of all peripherals, Initializes the Flash interface and the Systick. */
HAL_Init();
/* Initialize all configured peripherals */
GPIO_Init();
LED_Init();
USB_Device_Init();
while (1)
{
}
Upstream_InitStateMachine();
while (1)
{
}
}
void CheckFirmwareMatchesHardware(void)
{
//Check we are running on the expected hardware:
//STM32F405 on an Olimex dev board
GPIO_InitTypeDef GPIO_InitStruct;
if ((*(uint32_t*)DBGMCU_BASE & DBGMCU_IDCODE_DEV_ID) == DBGMCU_IDCODE_DEV_ID_405_407_415_417)
{
//The H405 board has a STAT LED on PC12. If there is no pullup on this pin,
//then we are probably running on another board.
__HAL_RCC_GPIOC_CLK_ENABLE();
GPIO_InitStruct.Pin = FAULT_LED_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
GPIO_InitStruct.Pull = GPIO_PULLDOWN;
GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
GPIO_InitStruct.Alternate = 0;
HAL_GPIO_Init(FAULT_LED_PORT, &GPIO_InitStruct);
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(FAULT_LED_PORT, &GPIO_InitStruct);
if (FAULT_LED_PORT->IDR & FAULT_LED_PIN)
{
//Pin pulls up, so this is an H405 board :)
return;
}
}
//This is not the hardware we expected, so turn on our fault LED(s) and die in a heap.
GPIO_InitStruct.Pin = FAULT_LED_PIN | OTHER_BOARDS_FAULT_LED_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(FAULT_LED_PORT, &GPIO_InitStruct);
FAULT_LED_ON;
OTHER_BOARDS_FAULT_LED_ON;
while (1);
}
/** System Clock Configuration
*/
void SystemClock_Config(void)
@ -149,11 +194,11 @@ void GPIO_Init(void)
HAL_GPIO_Init(USB_P_PORT, &GPIO_InitStruct);
//STAT_LED is output
GPIO_InitStruct.Pin = STAT_LED_PIN;
GPIO_InitStruct.Pin = FAULT_LED_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
HAL_GPIO_Init(STAT_LED_PORT, &GPIO_InitStruct);
STAT_LED_OFF;
HAL_GPIO_Init(FAULT_LED_PORT, &GPIO_InitStruct);
FAULT_LED_OFF;
//SPI_INT_ACTIVE indicator
GPIO_InitStruct.Pin = INT_ACTIVE_PIN;

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