2 files changed, 52 insertions, 4 deletions

diff --git a/code/esp32/components/eos/cell_modem.c b/code/esp32/components/eos/cell_modem.c
index 50aa23a..79e8e86 100644
--- a/code/esp32/components/eos/cell_modem.c
+++ b/code/esp32/components/eos/cell_modem.c
@@ -16,6 +16,8 @@
 #include "at_urc.h"
 #include "cell.h"
 
+// XXX: Modem init, reconnect on failure
+
 #define MIN(X, Y)               (((X) < (Y)) ? (X) : (Y))
 #define MAX(X, Y)               (((X) > (Y)) ? (X) : (Y))
 
@@ -444,7 +446,7 @@ void eos_modem_init(void) {
     io_conf.pull_up_en = 0;
     io_conf.pull_down_en = 0;
     gpio_config(&io_conf);
-    gpio_set_level(UART_GPIO_DTR, 1);
+    gpio_set_level(UART_GPIO_DTR, 0);
 
     io_conf.intr_type = GPIO_PIN_INTR_ANYEDGE;
     io_conf.mode = GPIO_MODE_INPUT;
@@ -610,3 +612,40 @@ void eos_modem_give(void) {
     }
     xSemaphoreGive(mutex);
 }
+
+void eos_modem_sleep(void) {
+    gpio_set_level(UART_GPIO_DTR, 1);
+}
+
+void eos_modem_wake(void) {
+    gpio_set_level(UART_GPIO_DTR, 0);
+}
+
+void eos_ppp_set_apn(char *apn) {
+    xSemaphoreTake(mutex, portMAX_DELAY);
+    strncpy(ppp_apn, apn, sizeof(ppp_apn) - 1);
+    xSemaphoreGive(mutex);
+}
+
+void eos_ppp_set_auth(char *user, char *pass) {
+    xSemaphoreTake(mutex, portMAX_DELAY);
+    strncpy(ppp_user, user, sizeof(ppp_user) - 1);
+    strncpy(ppp_pass, pass, sizeof(ppp_pass) - 1);
+    xSemaphoreGive(mutex);
+}
+
+int eos_ppp_connect(void) {
+    return eos_modem_set_mode(EOS_CELL_UART_MODE_PPP);
+}
+
+int eos_ppp_disconnect(void) {
+    int rv = eos_modem_set_mode(EOS_CELL_UART_MODE_ATCMD);
+
+    xSemaphoreTake(mutex, portMAX_DELAY);
+    memset(ppp_apn, 0, sizeof(ppp_apn));
+    memset(ppp_user, 0, sizeof(ppp_user));
+    memset(ppp_pass, 0, sizeof(ppp_pass));
+    xSemaphoreGive(mutex);
+
+    return rv;
+}
\ No newline at end of file
diff --git a/code/esp32/components/eos/include/cell.h b/code/esp32/components/eos/include/cell.h
index 4a2cfbc..3a9e955 100644
--- a/code/esp32/components/eos/include/cell.h
+++ b/code/esp32/components/eos/include/cell.h
@@ -10,8 +10,8 @@
 #define EOS_CELL_MTYPE_AUDIO_STOP   5
 
 #define EOS_CELL_UART_MODE_NONE     0
-#define EOS_CELL_UART_MODE_PPP      1
-#define EOS_CELL_UART_MODE_ATCMD    2
+#define EOS_CELL_UART_MODE_ATCMD    1
+#define EOS_CELL_UART_MODE_PPP      2
 #define EOS_CELL_UART_MODE_RELAY    3
 
 void eos_pcm_init(void);
@@ -34,4 +34,13 @@ int eos_modem_set_mode(uint8_t mode);
 int eos_modem_take(void);
 void eos_modem_give(void);
 
-void eos_cell_init(void);
\ No newline at end of file
+void eos_modem_sleep(void);
+void eos_modem_wake(void);
+
+void eos_ppp_set_apn(char *apn);
+void eos_ppp_set_auth(char *user, char *pass);
+
+int eos_ppp_connect(void);
+int eos_ppp_disconnect(void);
+
+void eos_cell_init(void);