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Fixed UART RX problems

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git-svn-id: https://svn.vbchaos.nl/svn/hsb/trunk@232 05563f52-14a8-4384-a975-3d1654cca0fa
This commit is contained in:
mmi
2017-10-04 12:54:11 +00:00
parent 73a391f720
commit 8b315602e9
7 changed files with 115 additions and 51 deletions
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26
S - Software/0 - HSB MRTS Kathode-MCP/3 - Implementation/0 - Code/Platform/inc/uart.h
View File

@@ -126,8 +126,8 @@ extern ErrorStatus Uart_construct(struct Uart* self, struct UartParameters* para
extern ErrorStatus Uart_getDefaultParameters(struct UartParameters* parameters);
/** ----------------------------------------------------------------------------
* Uart_Write
* Description of function
* Uart_write
* Writes length number of bytes from buffer to Uart object self
*
* @param self The UART class object
* @param buffer Message string to send
@@ -139,7 +139,27 @@ extern ErrorStatus Uart_getDefaultParameters(struct UartParameters* parameters);
* @todo
* -----------------------------------------------------------------------------
*/
extern ErrorStatus Uart_Write(struct Uart* self, const char* buffer, int length);
extern ErrorStatus Uart_write(struct Uart* self, const char* buffer, int length);
/** ----------------------------------------------------------------------------
* Uart_read
* Reads length number of bytes from Uart object self into buffer. The actual
* number of read bytes are put in actualLength. Ususally they should be equal
* but in some cases less bytes are read than requested.
*
* @param self The UART class object
* @param buffer Message string to send
* @param length Message length
* @param actualLength THe actual number of bytes read
*
* @return ErrorStatus SUCCESS if writing message was successful
* ERROR otherwise
*
* @todo
* -----------------------------------------------------------------------------
*/
extern ErrorStatus Uart_read(struct Uart* self, char* buffer, size_t length, size_t* actualLength);

13
S - Software/0 - HSB MRTS Kathode-MCP/3 - Implementation/0 - Code/Platform/src/IODevice.c
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@@ -76,3 +76,16 @@ ErrorStatus IODevice_write(const struct IODevice* self, const char* buffer, size
return returnValue;
}
ErrorStatus IODevice_read(const struct IODevice* self, char* buffer, size_t length, size_t* actualLength)
{
ErrorStatus returnValue = SUCCESS;
if (self->_read != NULL)
{
returnValue = self->_read(self, buffer, length, actualLength);
}
return returnValue;
}

31
S - Software/0 - HSB MRTS Kathode-MCP/3 - Implementation/0 - Code/Platform/src/oli_stm32_h107.c
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@@ -455,36 +455,39 @@ static ErrorStatus initIO (void)
gpio.GPIO_Typedef = GPIOA;
gpio.GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AIN;
gpio.GPIO_InitStruct.GPIO_Pin = GPIO_Pin_0;
adc1->channel[ADC_Channel_0].input = gpio;
GPIO_Init(gpio.GPIO_Typedef, &gpio.GPIO_InitStruct);
adc1->channel[ADC_Channel_0].input = gpio;
// Channel 1 - PA1
gpio.GPIO_Typedef = GPIOA;
gpio.GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AIN;
gpio.GPIO_InitStruct.GPIO_Pin = GPIO_Pin_1;
adc1->channel[ADC_Channel_1].input = gpio;
GPIO_Init(gpio.GPIO_Typedef, &gpio.GPIO_InitStruct);
adc1->channel[ADC_Channel_1].input = gpio;
// Channel 2 - PA2
gpio.GPIO_Typedef = GPIOA;
gpio.GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AIN;
gpio.GPIO_InitStruct.GPIO_Pin = GPIO_Pin_2;
adc1->channel[ADC_Channel_2].input = gpio;
GPIO_Init(gpio.GPIO_Typedef, &gpio.GPIO_InitStruct);
adc1->channel[ADC_Channel_2].input = gpio;
/* USART1 initialisation -------------------------------------------------*/
// Init TX line
_uart1.USART_TX.GPIO_Typedef = GPIOB;
_uart1.USART_TX.GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF_PP;
_uart1.USART_TX.GPIO_InitStruct.GPIO_Pin = GPIO_Pin_6;
_uart1.USART_TX.GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(_uart1.USART_TX.GPIO_Typedef, &_uart1.USART_TX.GPIO_InitStruct);
gpio.GPIO_Typedef = GPIOB;
gpio.GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF_PP;
gpio.GPIO_InitStruct.GPIO_Pin = GPIO_Pin_6;
gpio.GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
uart1->USART_TX = gpio;
GPIO_Init(gpio.GPIO_Typedef, &gpio.GPIO_InitStruct);
// Init RX line
_uart1.USART_RX.GPIO_Typedef = GPIOB;
_uart1.USART_RX.GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF_PP;
_uart1.USART_RX.GPIO_InitStruct.GPIO_Pin = GPIO_Pin_7;
_uart1.USART_RX.GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(_uart1.USART_RX.GPIO_Typedef, &_uart1.USART_RX.GPIO_InitStruct);
gpio.GPIO_Typedef = GPIOB;
gpio.GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN_FLOATING;
gpio.GPIO_InitStruct.GPIO_Pin = GPIO_Pin_7;
uart1->USART_RX = gpio;
GPIO_Init(gpio.GPIO_Typedef, &gpio.GPIO_InitStruct);
// Apply pin-remapping for UART1 I/Os (alternative I/Os usage)
GPIO_PinRemapConfig(GPIO_Remap_USART1, ENABLE);
@@ -498,7 +501,7 @@ static ErrorStatus initIO (void)
// Init RX line
uart3->USART_RX.GPIO_Typedef = GPIOB;
uart3->USART_RX.GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF_PP;
uart3->USART_RX.GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN_FLOATING;
uart3->USART_RX.GPIO_InitStruct.GPIO_Pin = GPIO_Pin_11;
uart3->USART_RX.GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(uart3->USART_RX.GPIO_Typedef, &uart3->USART_RX.GPIO_InitStruct);

64
S - Software/0 - HSB MRTS Kathode-MCP/3 - Implementation/0 - Code/Platform/src/uart.c
View File

@@ -32,7 +32,7 @@
#include "uart.h"
#include "misc.h"
#include "led.h"
// -----------------------------------------------------------------------------
// Constant and macro definitions
@@ -55,6 +55,7 @@
static ErrorStatus write(const struct IODevice* self, const char* buffer, size_t length);
static ErrorStatus read(const struct IODevice* self, char* buffer, size_t length, size_t* actualLength);
// -----------------------------------------------------------------------------
// Function definitions
@@ -65,20 +66,20 @@ ErrorStatus Uart_construct(struct Uart* self, struct UartParameters* parameters)
{
ErrorStatus returnValue = SUCCESS;
IODevice_construct(&self->device, NULL, write);
IODevice_construct(&self->device, read, write);
//! Create semaphore to synchronize with USART interrupt handler
vSemaphoreCreateBinary(self->txSemaphore);
USART_DeInit(self->USART_TypeDef);
self->USART_ClockInitStruct->USART_Clock = USART_Clock_Enable;
self->USART_ClockInitStruct->USART_CPHA = USART_CPHA_1Edge;
self->USART_ClockInitStruct->USART_CPOL = USART_CPOL_Low;
self->USART_ClockInitStruct->USART_LastBit = USART_LastBit_Disable;
//! Enable USART clock
USART_ClockInit(self->USART_TypeDef, self->USART_ClockInitStruct);
// self->USART_ClockInitStruct->USART_Clock = USART_Clock_Enable;
// self->USART_ClockInitStruct->USART_CPHA = USART_CPHA_1Edge;
// self->USART_ClockInitStruct->USART_CPOL = USART_CPOL_Low;
// self->USART_ClockInitStruct->USART_LastBit = USART_LastBit_Enable;
//
// //! Enable USART clock
// USART_ClockInit(self->USART_TypeDef, self->USART_ClockInitStruct);
// Initialise the UART
self->USART_InitStruct.USART_BaudRate = parameters->baudrate;
@@ -117,6 +118,14 @@ ErrorStatus Uart_construct(struct Uart* self, struct UartParameters* parameters)
returnValue = ERROR;
}
struct usartQueueItem tmp;
tmp.byte = 0x01;
xQueueSend(self->rxQueue, &tmp, 0);
tmp.byte++;
xQueueSend(self->rxQueue, &tmp, 0);
tmp.byte++;
xQueueSend(self->rxQueue, &tmp, 0);
if (returnValue == SUCCESS)
{
//! Enable the UART RX not empty interrupt
@@ -146,11 +155,16 @@ ErrorStatus Uart_getDefaultParameters(struct UartParameters* parameters)
static ErrorStatus write(const struct IODevice* self, const char* buffer, size_t length)
{
return Uart_Write((struct Uart*)self, buffer, length);
return Uart_write((struct Uart*)self, buffer, length);
}
ErrorStatus Uart_Write(struct Uart* self, const char* buffer, int length)
static ErrorStatus read(const struct IODevice* self, char* buffer, size_t length, size_t* actualLength)
{
return Uart_read((struct Uart*)self, buffer, length, actualLength);
}
ErrorStatus Uart_write(struct Uart* self, const char* buffer, int length)
{
struct usartQueueItem usartTxItem;
ErrorStatus returnValue = SUCCESS; //! Define return variable
@@ -202,8 +216,32 @@ ErrorStatus Uart_Write(struct Uart* self, const char* buffer, int length)
{
//! Do nothing
}
return (returnValue); //! Return result to caller
}
ErrorStatus Uart_read (struct Uart* self, char* buffer, size_t length, size_t* actualLength)
{
ErrorStatus returnValue = SUCCESS;
int loopCounter = 0;
*actualLength = 0;
struct usartQueueItem usartRxItem;
for (loopCounter = 0; loopCounter < length; loopCounter++)
{
if (xQueueReceive(self->rxQueue, &usartRxItem, 0) != pdFALSE)
{
// Item successfully fetched from Queue
buffer[loopCounter] = usartRxItem.byte;
*actualLength = *actualLength + 1;
}
else
{
break;
}
}
return returnValue;
}