From 9e4ba387ca7d11cafe8a4dfa2e8703fee4d27293 Mon Sep 17 00:00:00 2001
From: Georg von Zengen <vonzengen@ibr.cs.tu-bs.de>
Date: Fri, 5 Jun 2015 14:36:41 +0200
Subject: [PATCH] dw1000: enter rx mode after tx ready
---
Src/dw1000.c | 3 ++-
Src/dw1000_hal.c | 4 ++++
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/Src/dw1000.c b/Src/dw1000.c
index 3fe78b4..207394f 100644
--- a/Src/dw1000.c
+++ b/Src/dw1000.c
@@ -38,6 +38,7 @@ int dw1000_sendFrame(uint8_t *payload, uint16_t len) {
// set up a complete config for the register
// the bits are cleared automatically after the transmission and need to be set up for the next transmission again!
uint32_t sys_ctrl = 0;
+ dw1000Hal_readRegister(SYS_CTRL_ID, &sys_ctrl, 4);
sys_ctrl |= SYS_CTRL_TRXOFF; // Immediately cancel all RX and TX operations, bring radio to IDLE state
dw1000Hal_writeRegister(SYS_CTRL_ID, &sys_ctrl, 4);
sys_ctrl = 0;
@@ -47,7 +48,7 @@ int dw1000_sendFrame(uint8_t *payload, uint16_t len) {
// TXDLYS not set -> no delayed transmission
// CANSFCS not set (only useful when starting transmission before uploading payload)
// TRXOFF not set (this would turn off the transmitter immediately)
- sys_ctrl |= SYS_CTRL_WAIT4RESP; // turn on receiver after transmission to receive a response (ACK)
+ //sys_ctrl |= SYS_CTRL_WAIT4RESP; // turn on receiver after transmission to receive a response (ACK)
// RXENAB not set (this would enter receive mode)
// RXDLYE not set (used for delayed reception)
// HRBPT not set (chooses receive buffer)
diff --git a/Src/dw1000_hal.c b/Src/dw1000_hal.c
index 1542cdf..a7330ad 100644
--- a/Src/dw1000_hal.c
+++ b/Src/dw1000_hal.c
@@ -334,6 +334,10 @@ void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
if (event & SYS_STATUS_RXDFR){ // Frame sent
event_clear |= SYS_STATUS_RXDFR; //clear interrupt
+ uint32_t sys_ctrl = 0;
+ dw1000Hal_readRegisterFromIsr(SYS_CTRL_ID, (uint8_t*)&sys_ctrl, SYS_CTRL_LEN); // switch to rx mode
+ sys_ctrl |= SYS_CTRL_RXENAB;
+ dw1000Hal_writeRegisterFromIsr(SYS_CTRL_ID, (uint8_t*)&sys_ctrl, SYS_CTRL_LEN);
}
if (event & SYS_STATUS_CLKPLL_LL){ // Frame sent
--
GitLab