serial_bsp_stm3240x.c
23 KB
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/*
*********************************************************************************************************
* SERIAL (BYTE) COMMUNICATION
*
* (c) Copyright 2007-2009; Micrium, Inc.; Weston, FL
*
* All rights reserved. Protected by international copyright laws.
* Knowledge of the source code may NOT be used to develop a similar product.
* Please help us continue to provide the Embedded community with the finest
* software available. Your honesty is greatly appreciated.
*********************************************************************************************************
*/
/*
*********************************************************************************************************
*
* SERIAL (BYTE) COMMUNICATION
* DEVICE DRIVER
*
* STM32
* BSP FOR STM3240x
*
* Filename : serial_bsp_stm3240x.c
* Version : V2.00
* Programmer(s) : FGK
* FF
*********************************************************************************************************
*/
/*
*********************************************************************************************************
* INCLUDE FILES
*********************************************************************************************************
*/
#include <stm32f4xx_gpio.h>
#include <serial_bsp_stm3240x.h>
/*
*********************************************************************************************************
* LOCAL DEFINES
*********************************************************************************************************
*/
/* ----------- REGISTER BASE SPECIFICATIONS ----------- */
#define SERIAL_BSP_STM32_USART1_BASE ((void *)0x40011000)
#define SERIAL_BSP_STM32_USART2_BASE ((void *)0x40004400)
#define SERIAL_BSP_STM32_USART3_BASE ((void *)0x40004800)
#define SERIAL_BSP_STM32_USART4_BASE ((void *)0x40004C00)
#define SERIAL_BSP_STM32_USART5_BASE ((void *)0x40005000)
#define SERIAL_BSP_STM32_USART6_BASE ((void *)0x40011400)
/*
*********************************************************************************************************
* EXTERNS
*********************************************************************************************************
*/
/*
*********************************************************************************************************
* LOCAL FUNCTION PROTOTYPES
*********************************************************************************************************
*/
/* ------------------ USART1 BSP API ------------------ */
static void SerialBSP_STM32_USART1_ClkEn (SERIAL_ERR *perr);
static void SerialBSP_STM32_USART1_ClkDis (SERIAL_ERR *perr);
static void SerialBSP_STM32_USART1_CfgGPIO (CPU_BOOLEAN flow_ctrl,
SERIAL_ERR *perr);
static void SerialBSP_STM32_USART1_CfgInt (SERIAL_DEV *pdev,
SERIAL_ERR *perr);
static CPU_INT32U SerialBSP_STM32_USART1_ClkFreqGet (void);
/* ------------------ USART2 BSP API ------------------ */
static void SerialBSP_STM32_USART2_ClkEn (SERIAL_ERR *perr);
static void SerialBSP_STM32_USART2_ClkDis (SERIAL_ERR *perr);
static void SerialBSP_STM32_USART2_CfgGPIO (CPU_BOOLEAN flow_ctrl,
SERIAL_ERR *perr);
static void SerialBSP_STM32_USART2_CfgInt (SERIAL_DEV *pdev,
SERIAL_ERR *perr);
static CPU_INT32U SerialBSP_STM32_USART2_ClkFreqGet (void);
/* ------------------ USART3 BSP API ------------------ */
static void SerialBSP_STM32_USART3_ClkEn (SERIAL_ERR *perr);
static void SerialBSP_STM32_USART3_ClkDis (SERIAL_ERR *perr);
static void SerialBSP_STM32_USART3_CfgGPIO (CPU_BOOLEAN flow_ctrl,
SERIAL_ERR *perr);
static void SerialBSP_STM32_USART3_CfgInt (SERIAL_DEV *pdev,
SERIAL_ERR *perr);
static CPU_INT32U SerialBSP_STM32_USART3_ClkFreqGet (void);
/* ------------------- USART4 BSP API ----------------- */
static void SerialBSP_STM32_USART4_ClkEn (SERIAL_ERR *perr);
static void SerialBSP_STM32_USART4_ClkDis (SERIAL_ERR *perr);
static void SerialBSP_STM32_USART4_CfgGPIO (CPU_BOOLEAN flow_ctrl,
SERIAL_ERR *perr);
static void SerialBSP_STM32_USART4_CfgInt (SERIAL_DEV *pdev,
SERIAL_ERR *perr);
static CPU_INT32U SerialBSP_STM32_USART4_ClkFreqGet (void);
/* ------------------- USART5 BSP API ----------------- */
static void SerialBSP_STM32_USART5_ClkEn (SERIAL_ERR *perr);
static void SerialBSP_STM32_USART5_ClkDis (SERIAL_ERR *perr);
static void SerialBSP_STM32_USART5_CfgGPIO (CPU_BOOLEAN flow_ctrl,
SERIAL_ERR *perr);
static void SerialBSP_STM32_USART5_CfgInt (SERIAL_DEV *pdev,
SERIAL_ERR *perr);
static CPU_INT32U SerialBSP_STM32_USART5_ClkFreqGet (void);
/* ------------------ USART6 BSP API ------------------ */
static void SerialBSP_STM32_USART6_ClkEn (SERIAL_ERR *perr);
static void SerialBSP_STM32_USART6_ClkDis (SERIAL_ERR *perr);
static void SerialBSP_STM32_USART6_CfgGPIO (CPU_BOOLEAN flow_ctrl,
SERIAL_ERR *perr);
static void SerialBSP_STM32_USART6_CfgInt (SERIAL_DEV *pdev,
SERIAL_ERR *perr);
static CPU_INT32U SerialBSP_STM32_USART6_ClkFreqGet (void);
static void SerialBSP_STM32_USART1_IntHandler (void);
static void SerialBSP_STM32_USART2_IntHandler (void);
static void SerialBSP_STM32_USART3_IntHandler (void);
static void SerialBSP_STM32_USART4_IntHandler (void);
static void SerialBSP_STM32_USART5_IntHandler (void);
static void SerialBSP_STM32_USART6_IntHandler (void);
/*
*********************************************************************************************************
* SERIAL INTERFACE DEVICE BSP API
*********************************************************************************************************
*/
static SERIAL_BSP_API SerialBSP_STM32_USART1 = {
SerialBSP_STM32_USART1_ClkEn,
SerialBSP_STM32_USART1_ClkDis,
SerialBSP_STM32_USART1_CfgGPIO,
SerialBSP_STM32_USART1_CfgInt,
SerialBSP_STM32_USART1_ClkFreqGet
};
static SERIAL_BSP_API SerialBSP_STM32_USART2 = {
SerialBSP_STM32_USART2_ClkEn,
SerialBSP_STM32_USART2_ClkDis,
SerialBSP_STM32_USART2_CfgGPIO,
SerialBSP_STM32_USART2_CfgInt,
SerialBSP_STM32_USART2_ClkFreqGet
};
static SERIAL_BSP_API SerialBSP_STM32_USART3 = {
SerialBSP_STM32_USART3_ClkEn,
SerialBSP_STM32_USART3_ClkDis,
SerialBSP_STM32_USART3_CfgGPIO,
SerialBSP_STM32_USART3_CfgInt,
SerialBSP_STM32_USART3_ClkFreqGet
};
static SERIAL_BSP_API SerialBSP_STM32_USART4 = {
SerialBSP_STM32_USART4_ClkEn,
SerialBSP_STM32_USART4_ClkDis,
SerialBSP_STM32_USART4_CfgGPIO,
SerialBSP_STM32_USART4_CfgInt,
SerialBSP_STM32_USART4_ClkFreqGet
};
static SERIAL_BSP_API SerialBSP_STM32_USART5 = {
SerialBSP_STM32_USART5_ClkEn,
SerialBSP_STM32_USART5_ClkDis,
SerialBSP_STM32_USART5_CfgGPIO,
SerialBSP_STM32_USART5_CfgInt,
SerialBSP_STM32_USART5_ClkFreqGet
};
static SERIAL_BSP_API SerialBSP_STM32_USART6 = {
SerialBSP_STM32_USART6_ClkEn,
SerialBSP_STM32_USART6_ClkDis,
SerialBSP_STM32_USART6_CfgGPIO,
SerialBSP_STM32_USART6_CfgInt,
SerialBSP_STM32_USART6_ClkFreqGet
};
/*
*********************************************************************************************************
*********************************************************************************************************
* SERIAL INTERFACE DEVICES
*********************************************************************************************************
*********************************************************************************************************
*/
SERIAL_DEV_CFG SerialDevCfg_STM32_USART1 = {
SERIAL_BSP_STM32_USART1_BASE,
&SerialDrv_STM32_API,
&SerialBSP_STM32_USART1
};
SERIAL_DEV_CFG SerialDevCfg_STM32_USART2 = {
SERIAL_BSP_STM32_USART2_BASE,
&SerialDrv_STM32_API,
&SerialBSP_STM32_USART2
};
SERIAL_DEV_CFG SerialDevCfg_STM32_USART3 = {
SERIAL_BSP_STM32_USART3_BASE,
&SerialDrv_STM32_API,
&SerialBSP_STM32_USART3
};
SERIAL_DEV_CFG SerialDevCfg_STM32_USART4 = {
SERIAL_BSP_STM32_USART4_BASE,
&SerialDrv_STM32_API,
&SerialBSP_STM32_USART4
};
SERIAL_DEV_CFG SerialDevCfg_STM32_USART5 = {
SERIAL_BSP_STM32_USART5_BASE,
&SerialDrv_STM32_API,
&SerialBSP_STM32_USART5
};
SERIAL_DEV_CFG SerialDevCfg_STM32_USART6 = {
SERIAL_BSP_STM32_USART6_BASE,
&SerialDrv_STM32_API,
&SerialBSP_STM32_USART6
};
/*
*********************************************************************************************************
* SERIAL INTERFACE DEVICE POINTER
*
* Note(s) : (1) A serial interface device pointer is required to be passed to the serial interface device
* driver api ISR_Handler().
*********************************************************************************************************
*/
static SERIAL_DEV *SerialDev_STM32_USART1_DevPtr;
static SERIAL_DEV *SerialDev_STM32_USART2_DevPtr;
static SERIAL_DEV *SerialDev_STM32_USART3_DevPtr;
static SERIAL_DEV *SerialDev_STM32_USART4_DevPtr;
static SERIAL_DEV *SerialDev_STM32_USART5_DevPtr;
static SERIAL_DEV *SerialDev_STM32_USART6_DevPtr;
/*$PAGE*/
/*
*********************************************************************************************************
* SerialBSP_STM32_USARTx_ClkEn()
*
* Description : Enable device/peripheral clock.
*
* Argument(s) : perr Pointer to variable that will receive the return error code from this function :
*
* SERIAL_ERR_NONE Device/peripheral clock enabled successfully.
*
* Return(s) : none.
*
* Caller(s) : SerialDrv_Open() via 'pdev->BSP_API->ClkEn()'.
*
* Note(s) : none.
*********************************************************************************************************
*/
static void SerialBSP_STM32_USART1_ClkEn (SERIAL_ERR *perr)
{
*perr = SERIAL_ERR_NONE;
}
static void SerialBSP_STM32_USART2_ClkEn (SERIAL_ERR *perr)
{
*perr = SERIAL_ERR_NONE;
}
static void SerialBSP_STM32_USART3_ClkEn (SERIAL_ERR *perr)
{
BSP_PeriphEn(BSP_PERIPH_ID_GPIOC); /* Enable GPIOC clock. */
BSP_PeriphEn(BSP_PERIPH_ID_USART3); /* Enable UART clock. */
}
static void SerialBSP_STM32_USART4_ClkEn (SERIAL_ERR *perr)
{
*perr = SERIAL_ERR_NONE;
}
static void SerialBSP_STM32_USART5_ClkEn (SERIAL_ERR *perr)
{
*perr = SERIAL_ERR_NONE;
}
static void SerialBSP_STM32_USART6_ClkEn (SERIAL_ERR *perr)
{
*perr = SERIAL_ERR_NONE;
}
/*$PAGE*/
/*
*********************************************************************************************************
* SerialBSP_STM32_USARTx_ClkDis()
*
* Description : Disable device/peripheral clock.
*
* Argument(s) : perr Pointer to variable that will receive the return error code from this function :
*
* SERIAL_ERR_NONE Device/peripheral clock disabled successfully.
*
* Return(s) : none.
*
* Caller(s) : SerialDrv_Close() via 'pdev->BSP_API->ClkDis()'.
*
* Note(s) : none.
*********************************************************************************************************
*/
static void SerialBSP_STM32_USART1_ClkDis (SERIAL_ERR *perr)
{
*perr = SERIAL_ERR_NONE;
}
static void SerialBSP_STM32_USART2_ClkDis (SERIAL_ERR *perr)
{
*perr = SERIAL_ERR_NONE;
}
static void SerialBSP_STM32_USART3_ClkDis (SERIAL_ERR *perr)
{
BSP_PeriphDis(BSP_PERIPH_ID_USART3); /* Disable UART clock. */
*perr = SERIAL_ERR_NONE;
}
static void SerialBSP_STM32_USART4_ClkDis (SERIAL_ERR *perr)
{
*perr = SERIAL_ERR_NONE;
}
static void SerialBSP_STM32_USART5_ClkDis (SERIAL_ERR *perr)
{
*perr = SERIAL_ERR_NONE;
}
static void SerialBSP_STM32_USART6_ClkDis (SERIAL_ERR *perr)
{
*perr = SERIAL_ERR_NONE;
}
/*$PAGE*/
/*
*********************************************************************************************************
* SerialBSP_STM32_USARTx_CfgGPIO()
*
* Description : Configure device/peripheral input/output pins.
*
* Argument(s) : flow_ctrl Flow control enabled.
*
* perr Pointer to variable that will receive the return error code from this function :
*
* SERIAL_ERR_NONE Device/peripheral GPIO configured successfully.
* SERIAL_ERR_DRV_INVALID Device configuration invalid.
*
* Return(s) : none.
*
* Caller(s) : SerialDrv_Open() via 'pdev->BSP_API->CfgGPIO()'.
*
* Note(s) : none.
*********************************************************************************************************
*/
static void SerialBSP_STM32_USART1_CfgGPIO (CPU_BOOLEAN flow_ctrl,
SERIAL_ERR *perr)
{
if (flow_ctrl == DEF_ENABLED) {
*perr = SERIAL_ERR_DRV_INVALID;
return;
}
*perr = SERIAL_ERR_NONE;
}
static void SerialBSP_STM32_USART2_CfgGPIO (CPU_BOOLEAN flow_ctrl,
SERIAL_ERR *perr)
{
if (flow_ctrl == DEF_ENABLED) {
*perr = SERIAL_ERR_DRV_INVALID;
return;
}
*perr = SERIAL_ERR_NONE;
}
static void SerialBSP_STM32_USART3_CfgGPIO (CPU_BOOLEAN flow_ctrl,
SERIAL_ERR *perr)
{
GPIO_InitTypeDef GPIO_InitStructure;
if (flow_ctrl == DEF_ENABLED) {
*perr = SERIAL_ERR_DRV_INVALID;
return;
}
/* Configure GPIOC.10 as push-pull. */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_PinAFConfig(GPIOC, GPIO_PinSource10, GPIO_AF_USART3);
/* Configure GPIOC.11 as input floating. */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_Init(GPIOC, &GPIO_InitStructure);
GPIO_PinAFConfig(GPIOC, GPIO_PinSource11, GPIO_AF_USART3);
*perr = SERIAL_ERR_NONE;
}
static void SerialBSP_STM32_USART4_CfgGPIO (CPU_BOOLEAN flow_ctrl,
SERIAL_ERR *perr)
{
if (flow_ctrl == DEF_ENABLED) {
*perr = SERIAL_ERR_DRV_INVALID;
return;
}
*perr = SERIAL_ERR_NONE;
}
static void SerialBSP_STM32_USART5_CfgGPIO (CPU_BOOLEAN flow_ctrl,
SERIAL_ERR *perr)
{
if (flow_ctrl == DEF_ENABLED) {
*perr = SERIAL_ERR_DRV_INVALID;
return;
}
*perr = SERIAL_ERR_NONE;
}
static void SerialBSP_STM32_USART6_CfgGPIO (CPU_BOOLEAN flow_ctrl,
SERIAL_ERR *perr)
{
if (flow_ctrl == DEF_ENABLED) {
*perr = SERIAL_ERR_DRV_INVALID;
return;
}
*perr = SERIAL_ERR_NONE;
}
/*$PAGE*/
/*
*********************************************************************************************************
* SerialBSP_STM32_USARTx_CfgInt()
*
* Description : Configure device/peripheral interrupt.
*
* Argument(s) : pdev Pointer to device.
*
* perr Pointer to variable that will receive the return error code from this function :
*
* SERIAL_ERR_NONE Device/peripheral interrupt configured successfully.
*
* Return(s) : none.
*
* Caller(s) : SerialDrv_Open() via 'pdev->BSP_API->CfgInt()'.
*
* Note(s) : none.
*********************************************************************************************************
*/
static void SerialBSP_STM32_USART1_CfgInt (SERIAL_DEV *pdev,
SERIAL_ERR *perr)
{
SerialDev_STM32_USART1_DevPtr = pdev;
BSP_IntVectSet(BSP_INT_ID_USART1, SerialBSP_STM32_USART1_IntHandler);
BSP_IntEn(BSP_INT_ID_USART1);
*perr = SERIAL_ERR_NONE;
}
static void SerialBSP_STM32_USART2_CfgInt (SERIAL_DEV *pdev,
SERIAL_ERR *perr)
{
SerialDev_STM32_USART2_DevPtr = pdev;
BSP_IntVectSet(BSP_INT_ID_USART2, SerialBSP_STM32_USART2_IntHandler);
BSP_IntEn(BSP_INT_ID_USART2);
*perr = SERIAL_ERR_NONE;
}
static void SerialBSP_STM32_USART3_CfgInt (SERIAL_DEV *pdev,
SERIAL_ERR *perr)
{
SerialDev_STM32_USART3_DevPtr = pdev;
BSP_IntVectSet(BSP_INT_ID_USART3, SerialBSP_STM32_USART3_IntHandler);
BSP_IntEn(BSP_INT_ID_USART3);
*perr = SERIAL_ERR_NONE;
}
static void SerialBSP_STM32_USART4_CfgInt (SERIAL_DEV *pdev,
SERIAL_ERR *perr)
{
SerialDev_STM32_USART4_DevPtr = pdev;
BSP_IntVectSet(BSP_INT_ID_USART4, SerialBSP_STM32_USART4_IntHandler);
BSP_IntEn(BSP_INT_ID_USART4);
*perr = SERIAL_ERR_NONE;
}
static void SerialBSP_STM32_USART5_CfgInt (SERIAL_DEV *pdev,
SERIAL_ERR *perr)
{
SerialDev_STM32_USART5_DevPtr = pdev;
BSP_IntVectSet(BSP_INT_ID_USART5, SerialBSP_STM32_USART5_IntHandler);
BSP_IntEn(BSP_INT_ID_USART5);
*perr = SERIAL_ERR_NONE;
}
static void SerialBSP_STM32_USART6_CfgInt (SERIAL_DEV *pdev,
SERIAL_ERR *perr)
{
SerialDev_STM32_USART6_DevPtr = pdev;
BSP_IntVectSet(BSP_INT_ID_USART6, SerialBSP_STM32_USART6_IntHandler);
BSP_IntEn(BSP_INT_ID_USART6);
*perr = SERIAL_ERR_NONE;
}
/*$PAGE*/
/*
*********************************************************************************************************
* SerialBSP_STM32_USARTx_ClkFreqGet()
*
* Description : Get peripheral clock frequency.
*
* Argument(s) : none.
*
* Return(s) : Peripheral clock frequency, in Hz.
*
* Caller(s) : SerialDrv_Open() via 'pdev->BSP_API->ClkFreqGet()'.
*
* Note(s) : none.
*********************************************************************************************************
*/
static CPU_INT32U SerialBSP_STM32_USART1_ClkFreqGet (void)
{
CPU_INT32U clk_freq;
clk_freq = BSP_PeriphClkFreqGet(BSP_PERIPH_ID_USART1);
return (clk_freq);
}
static CPU_INT32U SerialBSP_STM32_USART2_ClkFreqGet (void)
{
CPU_INT32U clk_freq;
clk_freq = BSP_PeriphClkFreqGet(BSP_PERIPH_ID_USART2);
return (clk_freq);
}
static CPU_INT32U SerialBSP_STM32_USART3_ClkFreqGet (void)
{
CPU_INT32U clk_freq;
clk_freq = BSP_PeriphClkFreqGet(BSP_PERIPH_ID_USART3);
return (clk_freq);
}
static CPU_INT32U SerialBSP_STM32_USART4_ClkFreqGet (void)
{
CPU_INT32U clk_freq;
clk_freq = BSP_PeriphClkFreqGet(BSP_PERIPH_ID_USART4);
return (clk_freq);
}
static CPU_INT32U SerialBSP_STM32_USART5_ClkFreqGet (void)
{
CPU_INT32U clk_freq;
clk_freq = BSP_PeriphClkFreqGet(BSP_PERIPH_ID_USART5);
return (clk_freq);
}
static CPU_INT32U SerialBSP_STM32_USART6_ClkFreqGet (void)
{
CPU_INT32U clk_freq;
clk_freq = BSP_PeriphClkFreqGet(BSP_PERIPH_ID_USART6);
return (clk_freq);
}
/*$PAGE*/
/*
*********************************************************************************************************
* SerialBSP_STM32_USARTx_IntHandler()
*
* Description : Handle serial port interrupt.
*
* Argument(s) : none.
*
* Return(s) : none.
*
* Caller(s) : This is an ISR.
*
* Note(s) : none.
*********************************************************************************************************
*/
void SerialBSP_STM32_USART1_IntHandler (void)
{
SERIAL_DEV *p_dev;
SERIAL_DEV_CFG *p_cfg;
p_dev = (SERIAL_DEV *)SerialDev_STM32_USART1_DevPtr;
p_cfg = p_dev->Dev_Cfg;
p_cfg->Drv_API->ISR_Handler(p_dev, SERIAL_ISR_TYPE_UNKNOWN);
}
void SerialBSP_STM32_USART2_IntHandler (void)
{
SERIAL_DEV *p_dev;
SERIAL_DEV_CFG *p_cfg;
p_dev = (SERIAL_DEV *)SerialDev_STM32_USART2_DevPtr;
p_cfg = p_dev->Dev_Cfg;
p_cfg->Drv_API->ISR_Handler(p_dev, SERIAL_ISR_TYPE_UNKNOWN);
}
void SerialBSP_STM32_USART3_IntHandler (void)
{
SERIAL_DEV *p_dev;
SERIAL_DEV_CFG *p_cfg;
p_dev = (SERIAL_DEV *)SerialDev_STM32_USART3_DevPtr;
p_cfg = p_dev->Dev_Cfg;
p_cfg->Drv_API->ISR_Handler(p_dev, SERIAL_ISR_TYPE_UNKNOWN);
}
void SerialBSP_STM32_USART4_IntHandler (void)
{
SERIAL_DEV *p_dev;
SERIAL_DEV_CFG *p_cfg;
p_dev = (SERIAL_DEV *)SerialDev_STM32_USART4_DevPtr;
p_cfg = p_dev->Dev_Cfg;
p_cfg->Drv_API->ISR_Handler(p_dev, SERIAL_ISR_TYPE_UNKNOWN);
}
void SerialBSP_STM32_USART5_IntHandler (void)
{
SERIAL_DEV *p_dev;
SERIAL_DEV_CFG *p_cfg;
p_dev = (SERIAL_DEV *)SerialDev_STM32_USART5_DevPtr;
p_cfg = p_dev->Dev_Cfg;
p_cfg->Drv_API->ISR_Handler(p_dev, SERIAL_ISR_TYPE_UNKNOWN);
}
void SerialBSP_STM32_USART6_IntHandler (void)
{
SERIAL_DEV *p_dev;
SERIAL_DEV_CFG *p_cfg;
p_dev = (SERIAL_DEV *)SerialDev_STM32_USART6_DevPtr;
p_cfg = p_dev->Dev_Cfg;
p_cfg->Drv_API->ISR_Handler(p_dev, SERIAL_ISR_TYPE_UNKNOWN);
}