From fbff960e30c1771d1b16ad03eb2cc1a3ec3e58e4 Mon Sep 17 00:00:00 2001
From: WXK <287788329@qq.com>
Date: 星期四, 24 七月 2025 11:21:19 +0800
Subject: [PATCH] 1.0
---
Src/decadriver/deca_device.c | 31 ++++++++++++++++++++++++++++++-
1 files changed, 30 insertions(+), 1 deletions(-)
diff --git a/Src/decadriver/deca_device.c b/Src/decadriver/deca_device.c
index 3208299..ac17d04 100644
--- a/Src/decadriver/deca_device.c
+++ b/Src/decadriver/deca_device.c
@@ -155,6 +155,8 @@
#define XTRIM_ADDRESS (0x1E)
uint8_t module_power;
uint32_t power_temp,power_input;
+extern u32 id,error_times;
+u8 errortimes;
int dwt_initialise(uint16_t config)
{
@@ -175,9 +177,11 @@
dw1000local.deviceID = dwt_readdevid() ;
while (DWT_DEVICE_ID != dw1000local.deviceID) // MP IC ONLY (i.e. DW1000) FOR THIS CODE
{
+ if(errortimes++>10)
+ break;
dw1000local.deviceID = dwt_readdevid() ;
}
-
+ id = dwt_readdevid() ;
_dwt_enableclocks(FORCE_SYS_XTI); // NOTE: set system clock to XTI - this is necessary to make sure the values read by _dwt_otpread are reliable
dw1000local.deviceID = dwt_readdevid() ;
if(module_power>36)
@@ -811,7 +815,32 @@
//diagnostics->debug2 = dwt_read32bitoffsetreg(0x27, 0xc);
}
+#define B20_SIGN_EXTEND_TEST (0x00100000UL)
+#define B20_SIGN_EXTEND_MASK (0xFFF00000UL)
+/* offset from DRX_CONF_ID in bytes to 21-bit signed RX carrier integrator value */
+#define DRX_CARRIER_INT_OFFSET 0x28
+#define DRX_CARRIER_INT_LEN (3)
+#define DRX_CARRIER_INT_MASK 0x001FFFFF
+int32_t dwt_readcarrierintegrator(void)
+{
+ uint32_t regval = 0 ;
+ int j ;
+ uint8_t buffer[DRX_CARRIER_INT_LEN] ;
+ /* Read 3 bytes into buffer (21-bit quantity) */
+
+ dwt_readfromdevice(DRX_CONF_ID,DRX_CARRIER_INT_OFFSET,DRX_CARRIER_INT_LEN, buffer) ;
+
+ for (j = 2 ; j >= 0 ; j --) // arrange the three bytes into an unsigned integer value
+ {
+ regval = (regval << 8) + buffer[j] ;
+ }
+
+ if (regval & B20_SIGN_EXTEND_TEST) regval |= B20_SIGN_EXTEND_MASK ; // sign extend bit #20 to whole word
+ else regval &= DRX_CARRIER_INT_MASK ; // make sure upper bits are clear if not sign extending
+
+ return (int32_t) regval ; // cast unsigned value to signed quantity.
+}
/*! ------------------------------------------------------------------------------------------------------------------
* @fn dwt_readtxtimestamp()
*
--
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