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modbus_tcp

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give the register defines more meaning
This commit is contained in:
Sander Speetjens
2023-11-28 12:47:30 +01:00
parent 24226b38cd
commit 13fff0ca70
1 changed files with 17 additions and 14 deletions
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31
project/Core/Src/modbus_tcp.c
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@@ -18,13 +18,16 @@
#define REG_LENGTH 428
#define START_DATA 28
#define MODBUS_MODE 7
#define REG_01 14
#define REG_02 16
#define REG_03 18
#define REG_04 20
#define REG_05 22
#define REG_06 24
#define REG_07 26
#define REG_COLOR_B_RED 14
#define REG_COLOR_B_GREEN 16
#define REG_COLOR_B_BLUE 18
#define REG_COLOR_F_RED 20
#define REG_COLOR_F_GREEN 22
#define REG_COLOR_F_BLUE 24
#define REG_IMAGE_NR 26
// Global variables
static char* TAG = "Modbus_TCP"; // Tag used in logs
@@ -71,13 +74,13 @@ static err_t modbus_incoming_data(void* arg, struct tcp_pcb* pcb, struct pbuf* p
if (registers[MODBUS_MODE] == MULTIPLE_REG) {
// Check if it's a Modbus Write Multiple Registers request (0x10)
LOG_INFO(TAG, "in writing multiple register mode\n");
background_red = registers[REG_01];
background_green = registers[REG_02];
background_blue = registers[REG_03];
text_color_red = registers[REG_04];
text_color_green = registers[REG_05];
text_color_blue = registers[REG_06];
nr_img = registers[REG_07];
background_red = registers[REG_COLOR_B_RED];
background_green = registers[REG_COLOR_B_GREEN];
background_blue = registers[REG_COLOR_B_BLUE];
text_color_red = registers[REG_COLOR_F_RED];
text_color_green = registers[REG_COLOR_F_GREEN];
text_color_blue = registers[REG_COLOR_F_BLUE];
nr_img = registers[REG_IMAGE_NR];
LOG_INFO(TAG, "%d %d %d %d %d %d %d", background_red, background_green, background_blue, text_color_red,
text_color_green, text_color_blue, nr_img);