Revision 0:11487122965a, committed 2022-05-23

Comitter:

dshin

Date:

Mon May 23 05:19:52 2022 +0000

Commit message:

ESP-call

Changed in this revision

diff -r 000000000000 -r 11487122965a ESP-call.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ESP-call.cpp	Mon May 23 05:19:52 2022 +0000
@@ -0,0 +1,105 @@
+// ======================================================================
+
+#include "mbed.h"
+#include "ESP-call.h"
+
+// ======================================================================
+
+RawSerial PC(USBTX, USBRX);         // PC = (USBTX=TX, USBRX=RX)
+RawSerial ESP(D1, D0);              // ESP = (D1=TX, D0=RX)
+DigitalOut ESP_reset_pin(D2);       // ESP_reset_pin = D2
+
+// ======================================================================
+
+char ESP_recv_buffer[1028];         // ESP receive buffer
+int ESP_recv_buffer_index;          // ESP receive buffer index
+
+// ======================================================================
+// ISR for redirecting PC RX to ESP TX
+
+void ISR_PC_to_ESP()
+{
+    while(PC.readable()) {
+        ESP.putc(PC.getc());
+    }
+}
+
+// ======================================================================
+// ISR for redirecting ESP RX to PC TX
+
+void ISR_ESP_to_PC()
+{
+    while(ESP.readable()) {
+        PC.putc(ESP.getc());
+    }
+}
+
+// ======================================================================
+// ISR for redirecting ESP RX to ESP_recv_buffer[]
+
+void ISR_ESP_to_recv_buffer()
+{
+    while(ESP.readable()) {
+        ESP_recv_buffer[ESP_recv_buffer_index++] = ESP.getc();
+    }
+}
+
+// ======================================================================
+// Reset ESP and wait for 1 second
+
+void ESP_reset(void)
+{
+    ESP_reset_pin = 0;
+    ESP_reset_pin = 1;
+    thread_sleep_for(1000);
+}
+
+// ======================================================================
+// Setup ESP echo/noecho mode
+// ======================================================================
+
+void ESP_echo(void)
+{
+    NodeMCU_PGM uart_setup_echo = {
+        "uart.setup(0, 115200, 8, uart.PARITY_NONE, uart.STOPBITS_1, 1)\r\n", 1,
+    };
+
+    ESP_call_single(uart_setup_echo);
+}
+
+void ESP_noecho(void)
+{
+    NodeMCU_PGM uart_setup_noecho = {
+        "uart.setup(0, 115200, 8, uart.PARITY_NONE, uart.STOPBITS_1, 0)\r\n", 1,
+    };
+
+    ESP_call_single(uart_setup_noecho);
+}
+
+// ======================================================================
+// Send NodeMCU_PGM to ESP and execute
+
+char *ESP_call_single(NodeMCU_PGM pgm)
+{
+    ESP_recv_buffer_index = 0;
+    ESP.attach(&ISR_ESP_to_recv_buffer, Serial::RxIrq);
+    ESP.printf("%s\r\n", pgm.code);
+    thread_sleep_for((pgm.delay) * 100);
+    ESP.attach(NULL, Serial::RxIrq);
+    ESP_recv_buffer[ESP_recv_buffer_index] = '\0';
+    return ESP_recv_buffer;
+}
+
+void ESP_call_multi(NodeMCU_PGM pgms[])
+{
+    int i;
+    char *p;
+
+    for(i = 0; pgms[i].code != NULL; i++) {
+        PC.printf("%s\r\n", pgms[i].code);
+        p = ESP_call_single(pgms[i]);
+        PC.printf("%s", p);
+    }
+}
+
+// ======================================================================

diff -r 000000000000 -r 11487122965a ESP-call.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ESP-call.h	Mon May 23 05:19:52 2022 +0000
@@ -0,0 +1,35 @@
+// ======================================================================
+
+typedef struct NodeMCU_PGM_STRUCT {
+    const char *code;               // NodeMCU code
+    int delay;                      // delay time in 1/10 sec unit
+} NodeMCU_PGM;
+
+// ======================================================================
+
+extern RawSerial PC;                // PC = (USBTX, USBRX)
+extern RawSerial ESP;               // ESP = (D1=TX, D0=RX)
+
+// ======================================================================
+
+extern char ESP_recv_buffer[];      // ESP receive buffer
+extern int ESP_recv_buffer_index;   // ESP receive buffer index
+
+// ======================================================================
+
+void ISR_PC_to_ESP();
+void ISR_ESP_to_PC();
+
+void ISR_ESP_to_recv_buffer();
+
+// ======================================================================
+
+void ESP_reset(void);
+
+void ESP_echo(void);
+void ESP_noecho(void);
+
+char *ESP_call_single(NodeMCU_PGM pgm);
+void ESP_call_multi(NodeMCU_PGM pgms[]);
+
+// ======================================================================
\ No newline at end of file