modbus: add additional timer group options for master

This commit is contained in:
aleks 2021-05-26 13:46:42 +02:00 committed by Alex Lisitsyn
parent 3f10640b67
commit 09c3e4080e
4 changed files with 25 additions and 32 deletions

View File

@ -159,18 +159,33 @@ menu "Modbus configuration"
Else the internal UART TOUT timeout is used for 3.5T symbol time measurement.
config FMB_TIMER_GROUP
int "Modbus Timer group number"
int "Slave Timer group number"
range 0 1
default 0
help
Modbus Timer group number that is used for timeout measurement.
Modbus slave Timer group number that is used for timeout measurement.
config FMB_TIMER_INDEX
int "Modbus Timer index in the group"
int "Slave Timer index in the group"
range 0 1
default 0
help
Modbus Timer Index in the group that is used for timeout measurement.
Modbus slave Timer Index in the group that is used for timeout measurement.
config FMB_MASTER_TIMER_GROUP
int "Master Timer group number"
range 0 1
default FMB_TIMER_GROUP
help
Modbus master Timer group number that is used for timeout measurement.
config FMB_MASTER_TIMER_INDEX
int "Master Timer index"
range 0 1
default FMB_TIMER_INDEX
help
Modbus master Timer Index in the group that is used for timeout measurement.
Note: Modbus master and slave should have different timer index to be able to work simultaneously.
config FMB_TIMER_ISR_IN_IRAM
bool "Place timer interrupt handler into IRAM"

View File

@ -55,25 +55,9 @@
/* ----------------------- Modbus includes ----------------------------------*/
/* ----------------------- Variables ----------------------------------------*/
static UCHAR ucPortMode = 0;
/* ----------------------- Start implementation -----------------------------*/
UCHAR
ucMBPortGetMode( void )
{
return ucPortMode;
}
void
vMBPortSetMode( UCHAR ucMode )
{
ENTER_CRITICAL_SECTION();
ucPortMode = ucMode;
EXIT_CRITICAL_SECTION();
}
void
vMBMasterPortClose( void )
{
@ -84,4 +68,3 @@ vMBMasterPortClose( void )
vMBMasterPortTimerClose( );
vMBMasterPortEventClose( );
}

View File

@ -147,8 +147,7 @@ vMBPortTimersDisable(void)
void vMBPortTimerClose(void)
{
#ifdef CONFIG_FMB_TIMER_PORT_ENABLED
ESP_ERROR_CHECK(timer_pause(usTimerGroupIndex, usTimerIndex));
ESP_ERROR_CHECK(timer_disable_intr(usTimerGroupIndex, usTimerIndex));
ESP_ERROR_CHECK(timer_deinit(usTimerGroupIndex, usTimerIndex));
ESP_ERROR_CHECK(esp_intr_free(xTimerIntHandle));
#endif
}

View File

@ -50,16 +50,13 @@
#define MB_TIMER_DIVIDER ((TIMER_BASE_CLK / 1000000UL) * MB_TICK_TIME_US - 1) // divider for 50uS
#define MB_TIMER_WITH_RELOAD (1)
// Timer group and timer number to measure time (configurable in KConfig)
#define MB_TIMER_INDEX (CONFIG_FMB_TIMER_INDEX)
#define MB_TIMER_GROUP (CONFIG_FMB_TIMER_GROUP)
/* ----------------------- Variables ----------------------------------------*/
static USHORT usT35TimeOut50us;
static const USHORT usTimerIndex = MB_TIMER_INDEX ^ 1; // Initialize Modbus Timer index used by stack,
static const USHORT usTimerGroupIndex = MB_TIMER_GROUP; // Timer group index used by stack
static timer_isr_handle_t xTimerIntHandle; // Timer interrupt handle
// Initialize Modbus Timer group and index used by stack
static const USHORT usTimerIndex = CONFIG_FMB_MASTER_TIMER_INDEX;
static const USHORT usTimerGroupIndex = CONFIG_FMB_MASTER_TIMER_GROUP;
static timer_isr_handle_t xTimerIntHandle; // Timer interrupt handle
/* ----------------------- static functions ---------------------------------*/
@ -194,7 +191,6 @@ vMBMasterPortTimersDisable()
void vMBMasterPortTimerClose(void)
{
ESP_ERROR_CHECK(timer_pause(usTimerGroupIndex, usTimerIndex));
ESP_ERROR_CHECK(timer_disable_intr(usTimerGroupIndex, usTimerIndex));
ESP_ERROR_CHECK(timer_deinit(usTimerGroupIndex, usTimerIndex));
ESP_ERROR_CHECK(esp_intr_free(xTimerIntHandle));
}