From 82be76c1ee7156036b72211214ffd25196823346 Mon Sep 17 00:00:00 2001
From: Nathael Pajani <nathael.pajani@ed3l.fr>
Date: Wed, 18 Aug 2021 10:21:55 +0200
Subject: [PATCH] Update exanh v04 sensors support

---
 v04/main.c | 34 ++++++++++++++++++++++------------
 1 file changed, 22 insertions(+), 12 deletions(-)

diff --git a/v04/main.c b/v04/main.c
index ef4dae6..ff226cb 100644
--- a/v04/main.c
+++ b/v04/main.c
@@ -255,7 +255,7 @@ void serial_req(uint8_t c)
 			break;
 
 		case ADDRESSSED:
-			if ((address == 0) & (addr_req == 1)) {
+			if ((address == 0) && (addr_req == 1)) {
 				/* We received our address, store it */
 				address = c;
 				store_address = 1;
@@ -319,6 +319,8 @@ void button_request(uint32_t gpio)
 		need_config = 1;
 	}
 }
+
+
 /***************************************************************************** */
 int main(void)
 {
@@ -485,20 +487,11 @@ int main(void)
 				humidity = bme280_compensate_humidity(&bme280_sensor, humidity) / 10;
 			}
 
-			/* Display all */
-			debug(1, "Sensor %d:\n\tSoil: %d\n", address, raw_humidity);
-			debug(1, "\tLux: %d, IR: %d, UV: %d\n", lux, ir, uv);
-			debug(1, "\tPatm: %d hPa, Temp: %d,%02d degC, Humidity: %d,%d rH\n\n",
-					pressure,
-					comp_temp / 10,  (comp_temp > 0) ? (comp_temp % 10) : ((-comp_temp) % 10),
-					humidity / 10, humidity % 10);
-	
-			set_led(0, 0, ((raw_humidity >> 6) & 0xFF));
-	
 			/* Send for control */
 			if (1) {
 				char buff[20];
 				uint16_t* data = (uint16_t*)buff;
+				int i = 0, sum = 0;
 				memset(buff, 0, 20);
 				buff[0] = '#';
 				buff[1] = address | (got_tsl << 5) | (got_veml << 6) | (got_bme << 7);
@@ -509,11 +502,16 @@ int main(void)
 				data[5] = (uint16_t)htons(pressure);
 				data[6] = (uint16_t)htons(comp_temp);
 				data[7] = (uint16_t)htons(humidity);
-
+				/* Compute checksum */
+				for (i = 0; i < 19; i++) {
+					sum += buff[i];
+				}
+				buff[19] = (uint8_t)(sum & 0xFF);
 				serial_flush(UART0);
 				/* Do not place any of the following instructions before the flush end */
 				isb();
 				gpio_clear(tx_en);
+				msleep(3);
 				serial_write(UART0, buff, 20);
 				/* And wait for fush end before relaesing the line */
 				isb();
@@ -521,6 +519,18 @@ int main(void)
 				isb();
 				gpio_set(tx_en);
 			}
+
+			/* Display all */
+			if(0) {
+				debug(1, "Sensor %d:\n\tSoil: %d\n", address, raw_humidity);
+				debug(1, "\tLux: %d, IR: %d, UV: %d\n", lux, ir, uv);
+				debug(1, "\tPatm: %d hPa, Temp: %d,%02d degC, Humidity: %d,%d rH\n\n",
+						pressure,
+						comp_temp / 10,  (comp_temp > 0) ? (comp_temp % 10) : ((-comp_temp) % 10),
+						humidity / 10, humidity % 10);
+			}
+			set_led(0, 0, ((raw_humidity >> 6) & 0xFF));
+
 		}
 	}
 
-- 
2.43.0