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modbus_tcp

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Change registers from char to uint8_t
This commit is contained in:
Sander Speetjens
2023-11-28 12:41:50 +01:00
parent 33e7d6f4eb
commit 349fb1f9a5
1 changed files with 10 additions and 9 deletions
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19
project/Core/Src/modbus_tcp.c
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@@ -27,10 +27,10 @@
#define REG_07 26 #define REG_07 26
// Global variables // Global variables
char registers[MAX_REG];
static char* TAG = "Modbus_TCP"; // Tag used in logs static char* TAG = "Modbus_TCP"; // Tag used in logs
static struct tcp_pcb* modbus_pcb; static struct tcp_pcb* modbus_pcb;
uint8_t registers[MAX_REG];
// Functions // Functions
static err_t modbus_incoming_data(void* arg, struct tcp_pcb* pcb, struct pbuf* p, err_t err); static err_t modbus_incoming_data(void* arg, struct tcp_pcb* pcb, struct pbuf* p, err_t err);
@@ -67,15 +67,16 @@ static err_t modbus_incoming_data(void* arg, struct tcp_pcb* pcb, struct pbuf* p
registers[i] = ((uint*)p->payload)[i]; registers[i] = ((uint*)p->payload)[i];
} }
if (registers[MODBUS_MODE] == MULTIPLE_REG) { // Check if it's a Modbus Write Multiple Registers request (0x10) 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"); LOG_INFO(TAG, "in writing multiple register mode\n");
background_red = (uint8_t)(registers[REG_01]); // 01 background_red = registers[REG_01]; // 01
background_green = (uint8_t)(registers[REG_02]); // 02 background_green = registers[REG_02]; // 02
background_blue = (uint8_t)(registers[REG_03]); // 03 background_blue = registers[REG_03]; // 03
text_color_red = (uint8_t)(registers[REG_04]); // 04 text_color_red = registers[REG_04]; // 04
text_color_green = (uint8_t)(registers[REG_05]); // 05 text_color_green = registers[REG_05]; // 05
text_color_blue = (uint8_t)(registers[REG_06]); // 06 text_color_blue = registers[REG_06]; // 06
nr_img = (uint8_t)(registers[REG_07]); // 07 nr_img = registers[REG_07]; // 07
LOG_INFO(TAG, "%d %d %d %d %d %d %d", background_red, background_green, background_blue, text_color_red, 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); text_color_green, text_color_blue, nr_img);