STM32 example done, not tested

1 files changed, 22 insertions, 3 deletions

diff --git a/examples/stm32/main.c b/examples/stm32/main.c
index e202ae5..7f63529 100644
--- a/examples/stm32/main.c
+++ b/examples/stm32/main.c
@@ -3,16 +3,35 @@
 /* If using CubeMX, the HAL library files will be automatically placed in the correct location. The examples were tested with the Makefile option in CubeMX. */
 /* If you are not using CubeMX to initialize the project, you are on your own */
 
-/* In order to run the example, you will need to copy the superloop code as well as the external function initializations from this file */
+/* In order to run the example, you will need to copy the device initialization, superloop code as well as the external function initializations from this file */
 
 /* Function initialization for the STM32 HAL Library */
 /* Since this library was orignally written to work with the STM32 HAL/LL API, the UART functions match perfectly and can be directly mapped to the Modbus library functions */
-
+MB_StatusTypeDef (*MB_UART_Tx)(void*, uint16_t*, uint8_t*, uint8_t*) = &HAL_UART_Transmit;
+MB_StatusTypeDef (*MB_UART_Rx)(void*, uint16_t*, uint8_t*, uint8_t*) = &HAL_UART_Receive;
 
 int main()
 {
+    /* Single modbus device node */
+    modbus_slave_device modbus_dev_single;
+    /* Multiple modbus device nodes.. after all what is the point of using Modbus in a single point-to-point connection? */
+    /* Not illustrated beyond the definition, but should be clear enough */
+    modbus_slave_device modbus_dev_multiple[10];
+
+    /* Set the slave ID to 1 */
+    modbus_dev_single.slave_id = 1;
+    /* Attach the UART device on the STM32 to this node */
+    modbus_dev_single.modbus_uart = &huart1;
+    /* Continuously read the 30001 input register */
+    uint16_t register = 30001;
+    
     while (1) {
-	
+	MB_StatusTypeDef status = ReadInputRegisters(modbus_dev_single, register, 1);
+	if (status == MB_OK) {
+	    /* Do something with data in the response buffer */
+	    /* ... */
+	    ClearResponseBuffer(&modbus_dev_single);
+	}
     }
     return 1;
 }