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esp8266: add simple at command function

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This commit is contained in:
King Kévin 2022-08-11 14:05:22 +02:00
parent ad1aa69180
commit cfc6c509b7
1 changed files with 27 additions and 2 deletions
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29
lib/radio_esp8266.c
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@ -62,6 +62,31 @@ static void radio_esp8266_transmit(uint8_t* data, uint8_t length) {
}
}
/** transmit string to radio
* @param[in] data data to transmit
* @param[in] length length of data to transmit
*/
static void radio_esp8266_transmits(char* str) {
if (NULL == str) {
return;
}
const uint16_t length = strlen(str);
radio_esp8266_transmit((uint8_t*)str, length);
}
/** transmit string to radio
* @param[in] data data to transmit
* @param[in] length length of data to transmit
*/
static void radio_esp8266_transmit_at(char* at) {
if (NULL == at) {
return;
}
radio_esp8266_transmits("AT");
radio_esp8266_transmits(at);
radio_esp8266_transmits("\r\n");
}
void radio_esp8266_setup(void)
{
// configure pins
@ -93,7 +118,7 @@ void radio_esp8266_setup(void)
radio_esp8266_activity = false;
radio_esp8266_success = false;
radio_esp8266_transmit((uint8_t*)"AT\r\n", 4); // verify if module is present
radio_esp8266_transmit_at(""); // verify if module is present
while (!radio_esp8266_activity || !radio_esp8266_success) { // wait for response
__WFI(); // sleep until something happened
}
@ -154,7 +179,7 @@ void radio_esp8266_send(uint8_t* data, uint8_t length)
void radio_esp8266_close(void)
{
radio_esp8266_transmit((uint8_t*)"AT+CIPCLOSE\r\n", 13); // send AT command to close established connection
radio_esp8266_transmit_at("+CIPCLOSE"); // send AT command to close established connection
}
/** USART interrupt service routine called when data has been transmitted or received */