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Commit 1956ca8d authored by Sergi Hernandez's avatar Sergi Hernandez
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UART substituted by USART.

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f1/usart/include/usart3.h
+ 2
− 2
View file @ 1956ca8d
......@@ -6,8 +6,8 @@
#include "comm.h"
/* public functions */
void usart3_init(TComm *comm_dev,UART_InitTypeDef *conf,TUSART_IRQ_Priorities *priorities);
void usart3_config(TComm *comm_dev,UART_InitTypeDef *conf);
void usart3_init(TComm *comm_dev,USART_InitTypeDef *conf,TUSART_IRQ_Priorities *priorities);
void usart3_config(TComm *comm_dev,USART_InitTypeDef *conf);
void usart3_set_priorities(TComm *comm_dev,TUSART_IRQ_Priorities *priorities);
void usart3_set_baudrate(TComm *comm_dev,unsigned int baudrate);
/* IRQ functions */
......
f1/usart/src/usart3.c
+ 37
− 36
View file @ 1956ca8d
......@@ -26,7 +26,7 @@
#define USART_DMA_RX_IRQHandler DMA1_Channel3_IRQHandler
// private variables
UART_HandleTypeDef Uart3Handle;
USART_HandleTypeDef Uart3Handle;
DMA_HandleTypeDef usart3_hdma_tx;
DMA_HandleTypeDef usart3_hdma_rx;
TComm *usart3_comm_dev;
......@@ -37,56 +37,56 @@ void USART_IRQHandler(void)
unsigned char data,ret;
uint32_t source;
if(__HAL_UART_GET_FLAG(&Uart3Handle, UART_FLAG_RXNE) != RESET)
if(__HAL_USART_GET_FLAG(&Uart3Handle, USART_FLAG_RXNE) != RESET)
{
if(__HAL_UART_GET_IT_SOURCE(&Uart3Handle, UART_IT_RXNE) !=RESET)
if(__HAL_USART_GET_IT_SOURCE(&Uart3Handle, USART_IT_RXNE) !=RESET)
{
__HAL_UART_CLEAR_FLAG(&Uart3Handle,UART_FLAG_RXNE);
__HAL_USART_CLEAR_FLAG(&Uart3Handle,USART_FLAG_RXNE);
data=(uint8_t)(Uart3Handle.Instance->DR & (uint8_t)0x00FF);
// call the reception function
if(!comm_do_irq_receive(usart3_comm_dev,data))
__HAL_UART_DISABLE_IT(&Uart3Handle, UART_IT_RXNE);
__HAL_USART_DISABLE_IT(&Uart3Handle, USART_IT_RXNE);
}
}
if(__HAL_UART_GET_FLAG(&Uart3Handle, UART_FLAG_TC) != RESET)
if(__HAL_USART_GET_FLAG(&Uart3Handle, USART_FLAG_TC) != RESET)
{
if(__HAL_UART_GET_IT_SOURCE(&Uart3Handle, UART_IT_TC) !=RESET)
if(__HAL_USART_GET_IT_SOURCE(&Uart3Handle, USART_IT_TC) !=RESET)
{
__HAL_UART_CLEAR_FLAG(&Uart3Handle,UART_FLAG_TC);
__HAL_USART_CLEAR_FLAG(&Uart3Handle,USART_FLAG_TC);
ret=comm_do_irq_send(usart3_comm_dev,&data);
if(ret==0x01)
Uart3Handle.Instance->DR=data;
else if(ret==0x00)
__HAL_UART_DISABLE_IT(&Uart3Handle, UART_IT_TC);
__HAL_USART_DISABLE_IT(&Uart3Handle, USART_IT_TC);
}
}
if(__HAL_UART_GET_FLAG(&Uart3Handle, UART_FLAG_PE) != RESET)// parity error
if(__HAL_USART_GET_FLAG(&Uart3Handle, USART_FLAG_PE) != RESET)// parity error
{
if(__HAL_UART_GET_IT_SOURCE(&Uart3Handle, UART_IT_PE) !=RESET)
if(__HAL_USART_GET_IT_SOURCE(&Uart3Handle, USART_IT_PE) !=RESET)
{
__HAL_UART_CLEAR_PEFLAG(&Uart3Handle);
__HAL_USART_CLEAR_PEFLAG(&Uart3Handle);
}
}
source=__HAL_UART_GET_IT_SOURCE(&Uart3Handle, UART_IT_ERR);
if(__HAL_UART_GET_FLAG(&Uart3Handle, UART_FLAG_FE) != RESET)// frame error
source=__HAL_USART_GET_IT_SOURCE(&Uart3Handle, USART_IT_ERR);
if(__HAL_USART_GET_FLAG(&Uart3Handle, USART_FLAG_FE) != RESET)// frame error
{
if(source !=RESET)
{
__HAL_UART_CLEAR_FEFLAG(&Uart3Handle);
__HAL_USART_CLEAR_FEFLAG(&Uart3Handle);
}
}
if(__HAL_UART_GET_FLAG(&Uart3Handle, UART_FLAG_NE) != RESET)// noise error
if(__HAL_USART_GET_FLAG(&Uart3Handle, USART_FLAG_NE) != RESET)// noise error
{
if(source !=RESET)
{
__HAL_UART_CLEAR_NEFLAG(&Uart3Handle);
__HAL_USART_CLEAR_NEFLAG(&Uart3Handle);
}
}
if(__HAL_UART_GET_FLAG(&Uart3Handle, UART_FLAG_ORE) != RESET)// overrun error
if(__HAL_USART_GET_FLAG(&Uart3Handle, USART_FLAG_ORE) != RESET)// overrun error
{
if(source !=RESET)
{
__HAL_UART_CLEAR_OREFLAG(&Uart3Handle);
__HAL_USART_CLEAR_OREFLAG(&Uart3Handle);
}
}
}
......@@ -168,7 +168,7 @@ void USART_DMA_RX_IRQHandler(void)
}
/* public functions*/
void usart3_init(TComm *comm_dev,UART_InitTypeDef *conf,TUSART_IRQ_Priorities *priorities)
void usart3_init(TComm *comm_dev,USART_InitTypeDef *conf,TUSART_IRQ_Priorities *priorities)
{
GPIO_InitTypeDef GPIO_InitStructure;
......@@ -191,7 +191,7 @@ void usart3_init(TComm *comm_dev,UART_InitTypeDef *conf,TUSART_IRQ_Priorities *p
USART_ENABLE_CLK;
Uart3Handle.Instance = USART;
Uart3Handle.Instance = USART3;
usart3_config(comm_dev,conf);
if(comm_dev->use_dma)
......@@ -208,7 +208,7 @@ void usart3_init(TComm *comm_dev,UART_InitTypeDef *conf,TUSART_IRQ_Priorities *p
HAL_DMA_Init(&usart3_hdma_tx);
/* Associate the initialized DMA handle to the UART handle */
/* Associate the initialized DMA handle to the USART handle */
__HAL_LINKDMA(&Uart3Handle, hdmatx, usart3_hdma_tx);
/* Configure the DMA handler for reception process */
......@@ -223,7 +223,7 @@ void usart3_init(TComm *comm_dev,UART_InitTypeDef *conf,TUSART_IRQ_Priorities *p
HAL_DMA_Init(&usart3_hdma_rx);
/* Associate the initialized DMA handle to the the UART handle */
/* Associate the initialized DMA handle to the the USART handle */
__HAL_LINKDMA(&Uart3Handle, hdmarx, usart3_hdma_rx);
}
usart3_set_priorities(comm_dev,priorities);
......@@ -248,16 +248,17 @@ void usart3_init(TComm *comm_dev,UART_InitTypeDef *conf,TUSART_IRQ_Priorities *p
usart3_comm_dev=comm_dev;
}
void usart3_config(TComm *comm_dev,UART_InitTypeDef *conf)
void usart3_config(TComm *comm_dev,USART_InitTypeDef *conf)
{
Uart3Handle.Init.BaudRate = conf->BaudRate;
Uart3Handle.Init.WordLength = conf->WordLength;
Uart3Handle.Init.StopBits = conf->StopBits;
Uart3Handle.Init.Parity = conf->Parity;
Uart3Handle.Init.Mode = conf->Mode;
Uart3Handle.Init.HwFlowCtl = conf->HwFlowCtl;
Uart3Handle.Init.OverSampling = conf->OverSampling;
HAL_UART_Init(&Uart3Handle);
Uart3Handle.Init.CLKPolarity = conf->CLKPolarity;
Uart3Handle.Init.CLKPhase = conf->CLKPhase;
Uart3Handle.Init.CLKLastBit = conf->CLKLastBit;
HAL_USART_Init(&Uart3Handle);
}
void usart3_set_priorities(TComm *comm_dev,TUSART_IRQ_Priorities *priorities)
......@@ -276,14 +277,14 @@ void usart3_set_priorities(TComm *comm_dev,TUSART_IRQ_Priorities *priorities)
void usart3_set_baudrate(TComm *comm_dev,unsigned int baudrate)
{
Uart3Handle.Init.BaudRate = baudrate;
HAL_UART_Init(&Uart3Handle);
HAL_USART_Init(&Uart3Handle);
}
/* IRQ functions */
unsigned char usart3_send_irq(unsigned char first_byte)
{
__HAL_UART_CLEAR_FLAG(&Uart3Handle,UART_FLAG_TC);
__HAL_UART_ENABLE_IT(&Uart3Handle, UART_IT_TC);
__HAL_USART_CLEAR_FLAG(&Uart3Handle,USART_FLAG_TC);
__HAL_USART_ENABLE_IT(&Uart3Handle, USART_IT_TC);
Uart3Handle.Instance->DR=first_byte;
return 0x00;
......@@ -291,8 +292,8 @@ unsigned char usart3_send_irq(unsigned char first_byte)
unsigned char usart3_enable_tx_irq(void)
{
__HAL_UART_CLEAR_FLAG(&Uart3Handle,UART_FLAG_TC);
__HAL_UART_ENABLE_IT(&Uart3Handle, UART_IT_TC);
__HAL_USART_CLEAR_FLAG(&Uart3Handle,USART_FLAG_TC);
__HAL_USART_ENABLE_IT(&Uart3Handle, USART_IT_TC);
return 0x00;
}
......@@ -300,7 +301,7 @@ unsigned char usart3_enable_tx_irq(void)
unsigned char usart3_receive_irq(void)
{
/* enable the rx interrupt */
__HAL_UART_ENABLE_IT(&Uart3Handle, UART_IT_RXNE);
__HAL_USART_ENABLE_IT(&Uart3Handle, USART_IT_RXNE);
return 0x00;
}
......@@ -308,7 +309,7 @@ unsigned char usart3_receive_irq(void)
unsigned char usart3_cancel_receive_irq(void)
{
/* disable the rx interrupt */
__HAL_UART_DISABLE_IT(&Uart3Handle, UART_IT_RXNE);
__HAL_USART_DISABLE_IT(&Uart3Handle, USART_IT_RXNE);
return 0x00;
}
......@@ -318,9 +319,9 @@ unsigned char usart3_send_dma(unsigned char *data,unsigned short int length)
{
HAL_DMA_Start_IT(Uart3Handle.hdmatx,(uint32_t)data,(uint32_t)&Uart3Handle.Instance->DR,length);
/* Clear the TC flag in the SR register by writing 0 to it */
__HAL_UART_CLEAR_FLAG(&Uart3Handle,UART_FLAG_TC);
__HAL_USART_CLEAR_FLAG(&Uart3Handle,USART_FLAG_TC);
/* Enable the DMA transfer for transmit request by setting the DMAT bit
in the UART CR3 register */
in the USART CR3 register */
SET_BIT(Uart3Handle.Instance->CR3, USART_CR3_DMAT);
return 0x00;
......
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