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reading the color values

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This commit is contained in:
Obe Van Lierde
2023-11-08 19:18:45 +01:00
parent 7e148b57ea
commit af1bfd8f09
1 changed files with 15 additions and 1 deletions
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16
project/Core/Src/modbus-tcp.c
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@@ -4,7 +4,7 @@
char tcp_buffer[1024]; char tcp_buffer[1024];
#define MAX_REG 100 #define MAX_REG 250
char registers[MAX_REG]; char registers[MAX_REG];
@@ -12,6 +12,12 @@ static err_t modbus_incomming_data(void *arg, struct tcp_pcb *pcb, struct pbuf *
int i; int i;
int len; int len;
char *pc; char *pc;
uint8_t bg_red = 0;
uint8_t bg_green = 0;
uint8_t bg_blue = 0;
uint8_t txt_red = 0;
uint8_t txt_green = 0;
uint8_t txt_blue = 0;
if (p != NULL){ if (p != NULL){
printf("data not null\n"); printf("data not null\n");
@@ -28,6 +34,14 @@ static err_t modbus_incomming_data(void *arg, struct tcp_pcb *pcb, struct pbuf *
if(registers[7] == 0x10){// Check if it's a Modbus Write Multiple Registers request (0x10) if(registers[7] == 0x10){// Check if it's a Modbus Write Multiple Registers request (0x10)
printf("in writing multiple register mode\n"); printf("in writing multiple register mode\n");
} }
//putting the values from the array in their variable
bg_red = (uint8_t)(registers[14]);
bg_green = (uint8_t)(registers[16]);
bg_blue = (uint8_t)(registers[18]);
txt_red = (uint8_t)(registers[20]);
txt_green = (uint8_t)(registers[22]);
txt_blue = (uint8_t)(registers[24]);
printf("%d, %d, %d,%d, %d, %d\n",bg_red,bg_green,bg_blue,txt_red,txt_green,txt_blue);
} else if (err == ERR_OK){ } else if (err == ERR_OK){
tcp_close(pcb);//when everithing was ok close the tcpconnection tcp_close(pcb);//when everithing was ok close the tcpconnection
} }