WIP: Implement LoRa TX via Zephyr shell

TODO: Can only be TX or RX depending on async rx command

1 files changed, 23 insertions, 4 deletions

diff --git a/src/main.c b/src/main.c
index 511f9f4..48d6371 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,16 +1,36 @@
+#include <string.h>
 #include <zephyr/device.h>
 #include <zephyr/drivers/lora.h>
 #include <zephyr/kernel.h>
+#include <zephyr/shell/shell.h>
 #include <zephyr/sys/util.h>
 
 #define DEFAULT_RADIO_NODE DT_ALIAS(lora0)
 BUILD_ASSERT(DT_NODE_HAS_STATUS(DEFAULT_RADIO_NODE, okay),
              "Board has no LoRa modem");
+const struct device *const lora_dev = DEVICE_DT_GET(DEFAULT_RADIO_NODE);
 
 #define LOG_LEVEL CONFIG_LOG_DEFAULT_LEVEL
 #include <zephyr/logging/log.h>
 LOG_MODULE_REGISTER(lora);
 
+void lora_tx_cb(const struct shell *sh, size_t argc, char *argv[])
+{
+	if (argc != 2) {
+		LOG_ERR("lora_tx requires exactly one argument");
+		return;
+	}
+
+	int ret = lora_send(lora_dev, argv[1], strlen(argv[1]));
+	if (ret < 0) {
+		LOG_ERR("LoRa send failed");
+		return;
+	}
+
+	LOG_INF("tx: %s", argv[1]);
+}
+SHELL_CMD_ARG_REGISTER(tx, NULL, "send via LoRa", lora_tx_cb, 2, 0);
+
 void lora_rx_cb(const struct device *dev, uint8_t *data, uint16_t size,
                 int16_t rssi, int8_t snr)
 {
@@ -22,7 +42,6 @@ void lora_rx_cb(const struct device *dev, uint8_t *data, uint16_t size,
 
 int main(void)
 {
-	const struct device *const lora_dev = DEVICE_DT_GET(DEFAULT_RADIO_NODE);
 	struct lora_modem_config config;
 	int ret;
 
@@ -38,8 +57,8 @@ int main(void)
 	config.coding_rate = CR_4_5;
 	config.iq_inverted = false;
 	config.public_network = false;
-	config.tx_power = 14;
-	config.tx = false;
+	config.tx_power = 4;
+	config.tx = true;
 
 	ret = lora_config(lora_dev, &config);
 	if (ret < 0) {
@@ -47,7 +66,7 @@ int main(void)
 		return 0;
 	}
 
-	lora_recv_async(lora_dev, lora_rx_cb);
+//	lora_recv_async(lora_dev, lora_rx_cb);
 	k_sleep(K_FOREVER);
 	return 0;
 }