From 67aae770526b1cf24d22598a8abe0ecda4935a2b Mon Sep 17 00:00:00 2001
From: schneider <schneider@blinkenlichts.net>
Date: Sat, 9 May 2020 18:47:00 +0200
Subject: [PATCH] fix(ess): Show how to update a characteristic without a
callback
---
epicardium/ble/ble_api.h | 3 ++-
epicardium/ble/ess.c | 26 ++++++++++++++++++--------
2 files changed, 20 insertions(+), 9 deletions(-)
diff --git a/epicardium/ble/ble_api.h b/epicardium/ble/ble_api.h
index d46b0fe8e..8a74f0d7a 100644
--- a/epicardium/ble/ble_api.h
+++ b/epicardium/ble/ble_api.h
@@ -22,7 +22,8 @@
/*************************************************************************************************/
void BleStart(void);
-
/* ATT client module interface. Used by main BLE module */
void bleValueUpdate(attEvt_t *pMsg);
void bleDiscCback(dmConnId_t connId, uint8_t status);
+
+void bleESS_update();
diff --git a/epicardium/ble/ess.c b/epicardium/ble/ess.c
index e45766412..a9b58a837 100644
--- a/epicardium/ble/ess.c
+++ b/epicardium/ble/ess.c
@@ -70,7 +70,7 @@ static const attsAttr_t ESSSvcAttrList[] = {
.pValue = initTemperatureValue,
.pLen = &initTemperatureLen,
.maxLen = sizeof(initTemperatureValue),
- .settings = ATTS_SET_READ_CBACK,
+ //.settings = ATTS_SET_READ_CBACK,
.permissions = ATTS_PERMIT_READ | ATTS_PERMIT_READ_ENC |
ATTS_PERMIT_READ_AUTH,
},
@@ -80,10 +80,14 @@ static const attsAttr_t ESSSvcAttrList[] = {
WSF_CT_ASSERT(
((sizeof(ESSSvcAttrList) / sizeof(ESSSvcAttrList[0])) ==
ESS_END_HDL - ESS_START_HDL + 1));
+
+#if 0
/*
* BLE ESS read callback.
+ *
+ * Disabled at the moment as no dynamic handling of read requests
+ * is needed and all fields are updated by bleESS_update()
*/
-
static uint8_t readESSCB(
dmConnId_t connId,
uint16_t handle,
@@ -95,29 +99,35 @@ static uint8_t readESSCB(
switch (handle) {
// Temperature
case ESS_TEMPERATURE_VAL_HDL:
- //pAttr->pValue[0] = i16 & 0xFF; //pAttr->pValue[1] = i16 >> 8;
- *((int16_t *)pAttr->pValue) = i16;
- APP_TRACE_INFO1("ble-ess: read temperature: %d\n", i16);
+ //*((int16_t *)pAttr->pValue) = i16;
+ //APP_TRACE_INFO1("ble-ess: read temperature: %d\n", i16);
return ATT_SUCCESS;
default:
APP_TRACE_INFO0("ble-card10: read no handler found\n");
return ATT_ERR_HANDLE;
}
}
+#endif
static attsGroup_t svcESSGroup = {
.pNext = NULL,
.pAttr = (attsAttr_t *)ESSSvcAttrList,
- .readCback = readESSCB,
+ .readCback = NULL,
+ //.readCback = readESSCB,
.writeCback = NULL,
.startHandle = ESS_START_HDL,
.endHandle = ESS_END_HDL,
};
+void bleESS_update(void)
+{
+ uint16_t i16 = 0;
+ AttsSetAttr(ESS_TEMPERATURE_VAL_HDL, sizeof(i16), (uint8_t *)&i16);
+}
+
/*
- * This registers and starts the BLE card10 service.
+ * This registers and starts the ESS service.
*/
-
void bleESS_init(void)
{
AttsAddGroup(&svcESSGroup);
--
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