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examples: change max register area size to maximum value

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esp-idf/components/freemodbus/modbus_controller/modbus_controller.c: The MB_INST_MAX_SIZE is changed to max value=(65535*2);
Update support for coils read into freemodbus.c;

TW#28143
Closes https://github.com/espressif/esp-idf/issues/2884


* Original commit: espressif/esp-idf@e3a786f2cf
This commit is contained in:
aleks
2019-01-07 11:33:20 +01:00
parent 60286c82d3
commit 56838197f5
2 changed files with 2 additions and 2 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