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Merge branch 'feature/freemodbus_mb_inst_config' into 'master'

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examples: freemodbus port serial slave increase MB_INST_MAX_SIZE

See merge request idf/esp-idf!4080
This commit is contained in:
Ivan Grokhotkov 2019-01-11 20:14:46 +08:00
commit 1e93c4e48b
3 changed files with 4 additions and 3 deletions
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2
components/freemodbus/Kconfig
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@ -22,7 +22,7 @@ config MB_SERIAL_BUF_SIZE
default 256
help
Modbus serial task RX and TX buffer size for UART driver initialization.
This buffer is used for modbus frame transfer. The Modbus protocol maximum
This buffer is used for Modbus frame transfer. The Modbus protocol maximum
frame size is 256 bytes. Bigger size can be used for non standard implementations.
config MB_SERIAL_TASK_PRIO

2
components/freemodbus/modbus_controller/mbcontroller.h
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@ -26,7 +26,7 @@
/* ----------------------- Defines ------------------------------------------*/
#define MB_INST_MIN_SIZE (2) // The minimal size of Modbus registers area in bytes
#define MB_INST_MAX_SIZE (2048) // The maximum size of Modbus area in bytes
#define MB_INST_MAX_SIZE (65535 * 2) // The maximum size of Modbus area in bytes
#define MB_CONTROLLER_STACK_SIZE (CONFIG_MB_CONTROLLER_STACK_SIZE) // Stack size for Modbus controller
#define MB_CONTROLLER_PRIORITY (CONFIG_MB_SERIAL_TASK_PRIO - 1) // priority of MB controller task

3
examples/protocols/modbus_slave/main/freemodbus.c
View File

@ -129,7 +129,8 @@ void app_main()
mb_event_group_t event = mbcontroller_check_event((MB_EVENT_HOLDING_REG_WR
| MB_EVENT_INPUT_REG_RD
| MB_EVENT_HOLDING_REG_RD
| MB_EVENT_DISCRETE_RD));
| MB_EVENT_DISCRETE_RD
| MB_EVENT_COILS_RD));
// Filter events and process them accordingly
if((event & MB_EVENT_HOLDING_REG_WR) || (event & MB_EVENT_HOLDING_REG_RD)) {
// Get parameter information from parameter queue