fix can baud rate config error in bsp/stm32f10x fix #597
enum CANBAUD was changed in components/drivers/include/drivers/can.h , which causes array index out of bound in bsp/stm32f10x/drivers/bxcan.c temporarily remove RT_CAN_USING_BUS_HOOK, because there are some bugs in bsp/stm32f10x/applications/canapp.c function can_bus_hook
This commit is contained in:
parent
9c293336cb
commit
b420e83da4
|
@ -245,10 +245,12 @@ int rt_can_app_init(void)
|
|||
512, RT_THREAD_PRIORITY_MAX / 3 - 1, 20);
|
||||
if (tid != RT_NULL) rt_thread_startup(tid);
|
||||
|
||||
#ifdef USING_BXCAN2
|
||||
tid = rt_thread_create("canapp2",
|
||||
rt_can_thread_entry, &can_data[1],
|
||||
512, RT_THREAD_PRIORITY_MAX / 3 - 1, 20);
|
||||
if (tid != RT_NULL) rt_thread_startup(tid);
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
|
|
@ -69,6 +69,11 @@ struct stm_bxcan
|
|||
const rt_uint32_t fifo1filteroff;
|
||||
const struct stm_bxcanfiltermap filtermap[2];
|
||||
};
|
||||
struct stm_baud_rate_tab
|
||||
{
|
||||
rt_uint32_t baud_rate;
|
||||
rt_uint32_t confdata;
|
||||
};
|
||||
static void calcfiltermasks(struct stm_bxcan *pbxcan);
|
||||
static void bxcan1_filter_init(struct rt_can_device *can)
|
||||
{
|
||||
|
@ -254,26 +259,64 @@ static void bxcan2_filter_init(struct rt_can_device *can)
|
|||
#define MK_BKCAN_BAUD(SJW,BS1,BS2,PRES) \
|
||||
((SJW << SJWSHIFT) | (BS1 << BS1SHIFT) | (BS2 << BS2SHIFT) | (PRES << RRESCLSHIFT))
|
||||
|
||||
static const rt_uint32_t bxcan_baud_rate_tab[] =
|
||||
static const struct stm_baud_rate_tab bxcan_baud_rate_tab[] =
|
||||
{
|
||||
#ifdef STM32F10X_CL
|
||||
// 48 M
|
||||
MK_BKCAN_BAUD(CAN_SJW_2tq, CAN_BS1_12tq, CAN_BS2_3tq, 3),
|
||||
MK_BKCAN_BAUD(CAN_SJW_2tq, CAN_BS1_6tq, CAN_BS2_3tq, 6),
|
||||
MK_BKCAN_BAUD(CAN_SJW_2tq, CAN_BS1_12tq, CAN_BS2_3tq, 5),
|
||||
MK_BKCAN_BAUD(CAN_SJW_2tq, CAN_BS1_12tq, CAN_BS2_3tq, 11),
|
||||
MK_BKCAN_BAUD(CAN_SJW_2tq, CAN_BS1_12tq, CAN_BS2_3tq, 23),
|
||||
MK_BKCAN_BAUD(CAN_SJW_2tq, CAN_BS1_12tq, CAN_BS2_3tq, 29),
|
||||
MK_BKCAN_BAUD(CAN_SJW_2tq, CAN_BS1_12tq, CAN_BS2_3tq, 59),
|
||||
MK_BKCAN_BAUD(CAN_SJW_2tq, CAN_BS1_14tq, CAN_BS2_3tq, 149),
|
||||
MK_BKCAN_BAUD(CAN_SJW_2tq, CAN_BS1_16tq, CAN_BS2_8tq, 199),
|
||||
{1000UL * 1000, MK_BKCAN_BAUD(CAN_SJW_2tq, CAN_BS1_12tq, CAN_BS2_3tq, 3)},
|
||||
{1000UL * 800, MK_BKCAN_BAUD(CAN_SJW_2tq, CAN_BS1_6tq, CAN_BS2_3tq, 6)},
|
||||
{1000UL * 500, MK_BKCAN_BAUD(CAN_SJW_2tq, CAN_BS1_12tq, CAN_BS2_3tq, 5)},
|
||||
{1000UL * 250, MK_BKCAN_BAUD(CAN_SJW_2tq, CAN_BS1_12tq, CAN_BS2_3tq, 11)},//1
|
||||
{1000UL * 125, MK_BKCAN_BAUD(CAN_SJW_2tq, CAN_BS1_12tq, CAN_BS2_3tq, 23)},
|
||||
{1000UL * 100, MK_BKCAN_BAUD(CAN_SJW_2tq, CAN_BS1_12tq, CAN_BS2_3tq, 29)},
|
||||
{1000UL * 50, MK_BKCAN_BAUD(CAN_SJW_2tq, CAN_BS1_12tq, CAN_BS2_3tq, 59)},
|
||||
{1000UL * 20, MK_BKCAN_BAUD(CAN_SJW_2tq, CAN_BS1_14tq, CAN_BS2_3tq, 149)},
|
||||
{1000UL * 10, MK_BKCAN_BAUD(CAN_SJW_2tq, CAN_BS1_16tq, CAN_BS2_8tq, 199)}
|
||||
#else
|
||||
// 36 M
|
||||
{1000UL * 1000, MK_BKCAN_BAUD(CAN_SJW_2tq, CAN_BS1_8tq, CAN_BS2_3tq, 3)},
|
||||
{1000UL * 800, MK_BKCAN_BAUD(CAN_SJW_2tq, CAN_BS1_11tq, CAN_BS2_3tq, 3)},
|
||||
{1000UL * 500, MK_BKCAN_BAUD(CAN_SJW_2tq, CAN_BS1_9tq, CAN_BS2_2tq, 6)},
|
||||
{1000UL * 250, MK_BKCAN_BAUD(CAN_SJW_2tq, CAN_BS1_13tq, CAN_BS2_2tq, 9)},//1
|
||||
{1000UL * 125, MK_BKCAN_BAUD(CAN_SJW_2tq, CAN_BS1_13tq, CAN_BS2_2tq, 18)},
|
||||
{1000UL * 100, MK_BKCAN_BAUD(CAN_SJW_2tq, CAN_BS1_9tq, CAN_BS2_2tq, 30)},
|
||||
{1000UL * 50, MK_BKCAN_BAUD(CAN_SJW_2tq, CAN_BS1_13tq, CAN_BS2_2tq, 45)},
|
||||
{1000UL * 20, MK_BKCAN_BAUD(CAN_SJW_2tq, CAN_BS1_14tq, CAN_BS2_3tq, 100)},
|
||||
{1000UL * 10, MK_BKCAN_BAUD(CAN_SJW_2tq, CAN_BS1_14tq, CAN_BS2_3tq, 200)}
|
||||
#endif
|
||||
};
|
||||
|
||||
#define BAUD_DATA(TYPE,NO) \
|
||||
((bxcan_baud_rate_tab[NO] & TYPE##MASK) >> TYPE##SHIFT)
|
||||
((bxcan_baud_rate_tab[NO].confdata & TYPE##MASK) >> TYPE##SHIFT)
|
||||
|
||||
static rt_uint32_t bxcan_get_baud_index(rt_uint32_t baud)
|
||||
{
|
||||
rt_uint32_t len, index, default_index;
|
||||
|
||||
len = sizeof(bxcan_baud_rate_tab)/sizeof(bxcan_baud_rate_tab[0]);
|
||||
default_index = len;
|
||||
|
||||
for(index = 0; index < len; index++)
|
||||
{
|
||||
if(bxcan_baud_rate_tab[index].baud_rate == baud)
|
||||
return index;
|
||||
|
||||
if(bxcan_baud_rate_tab[index].baud_rate == 1000UL * 250)
|
||||
default_index = index;
|
||||
}
|
||||
|
||||
if(default_index != len)
|
||||
return default_index;
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static void bxcan_init(CAN_TypeDef *pcan, rt_uint32_t baud, rt_uint32_t mode)
|
||||
{
|
||||
CAN_InitTypeDef CAN_InitStructure;
|
||||
|
||||
rt_uint32_t baud_index = bxcan_get_baud_index(baud);
|
||||
|
||||
CAN_InitStructure.CAN_TTCM = DISABLE;
|
||||
CAN_InitStructure.CAN_ABOM = ENABLE;
|
||||
|
@ -296,10 +339,10 @@ static void bxcan_init(CAN_TypeDef *pcan, rt_uint32_t baud, rt_uint32_t mode)
|
|||
CAN_InitStructure.CAN_Mode = CAN_Mode_Silent_LoopBack;
|
||||
break;
|
||||
}
|
||||
CAN_InitStructure.CAN_SJW = BAUD_DATA(SJW, baud);
|
||||
CAN_InitStructure.CAN_BS1 = BAUD_DATA(BS1, baud);
|
||||
CAN_InitStructure.CAN_BS2 = BAUD_DATA(BS2, baud);
|
||||
CAN_InitStructure.CAN_Prescaler = BAUD_DATA(RRESCL, baud);
|
||||
CAN_InitStructure.CAN_SJW = BAUD_DATA(SJW, baud_index);
|
||||
CAN_InitStructure.CAN_BS1 = BAUD_DATA(BS1, baud_index);
|
||||
CAN_InitStructure.CAN_BS2 = BAUD_DATA(BS2, baud_index);
|
||||
CAN_InitStructure.CAN_Prescaler = BAUD_DATA(RRESCL, baud_index);
|
||||
|
||||
CAN_Init(pcan, &CAN_InitStructure);
|
||||
}
|
||||
|
@ -439,6 +482,9 @@ static rt_err_t bxcan_set_privmode(CAN_TypeDef *pcan, rt_uint32_t mode)
|
|||
static rt_err_t bxcan_set_baud_rate(CAN_TypeDef *pcan, rt_uint32_t baud)
|
||||
{
|
||||
rt_uint32_t mode;
|
||||
|
||||
rt_uint32_t baud_index = bxcan_get_baud_index(baud);
|
||||
|
||||
if (bxcan_enter_init(pcan) != RT_EOK)
|
||||
{
|
||||
return RT_ERROR;
|
||||
|
@ -446,10 +492,10 @@ static rt_err_t bxcan_set_baud_rate(CAN_TypeDef *pcan, rt_uint32_t baud)
|
|||
pcan->BTR = 0;
|
||||
mode = pcan->BTR & ((rt_uint32_t)0x03 << 30);
|
||||
pcan->BTR = (mode | \
|
||||
((BAUD_DATA(SJW, baud)) << 24) | \
|
||||
((BAUD_DATA(BS1, baud)) << 16) | \
|
||||
((BAUD_DATA(BS2, baud)) << 20) | \
|
||||
(BAUD_DATA(RRESCL, baud)));
|
||||
((BAUD_DATA(SJW, baud_index)) << 24) | \
|
||||
((BAUD_DATA(BS1, baud_index)) << 16) | \
|
||||
((BAUD_DATA(BS2, baud_index)) << 20) | \
|
||||
(BAUD_DATA(RRESCL, baud_index)));
|
||||
if (bxcan_exit_init(pcan) != RT_EOK)
|
||||
{
|
||||
return RT_ERROR;
|
||||
|
|
|
@ -82,9 +82,9 @@
|
|||
|
||||
#define RT_USING_PIN
|
||||
|
||||
//#define RT_USING_CAN
|
||||
#define RT_USING_CAN
|
||||
|
||||
#define RT_CAN_USING_BUS_HOOK
|
||||
//#define RT_CAN_USING_BUS_HOOK
|
||||
|
||||
#define RT_CAN_USING_HDR
|
||||
/* SECTION: device filesystem */
|
||||
|
|
Loading…
Reference in New Issue