From: Keith Packard <keithp@keithp.com>
Date: Mon, 4 Apr 2022 07:00:00 +0000 (-0700)
Subject: adxl375: Disable spi duplex
X-Git-Tag: 1.9.12~1^2~17^2~12
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=3fb95b34a85fb79713c258937a9005faf6f89a03;p=fw%2Faltos

adxl375: Disable spi duplex

See if this fixes LPC

Signed-off-by: Keith Packard <keithp@keithp.com>
---

diff --git a/src/drivers/ao_adxl375.c b/src/drivers/ao_adxl375.c
index b2d3178f..f53fb59d 100644
--- a/src/drivers/ao_adxl375.c
+++ b/src/drivers/ao_adxl375.c
@@ -48,16 +48,17 @@ ao_adxl375_stop(void) {
 static uint8_t
 ao_adxl375_reg_read(uint8_t addr)
 {
-	uint8_t	d[2];
+	uint8_t	d[1];
 
 	d[0] = addr | AO_ADXL375_READ;
 	ao_adxl375_start();
-	ao_spi_duplex(d, d, 2, AO_ADXL375_SPI_INDEX);
+	ao_spi_send(d, 1, AO_ADXL375_SPI_INDEX);
+	ao_spi_recv(d, 1, AO_ADXL375_SPI_INDEX);
 	ao_adxl375_stop();
 
-	PRINTD(DEBUG_LOW, "read %x = %x\n", addr, d[1]);
+	PRINTD(DEBUG_LOW, "read %x = %x\n", addr, d[0]);
 
-	return d[1];
+	return d[0];
 }
 
 static void
@@ -74,11 +75,11 @@ ao_adxl375_reg_write(uint8_t addr, uint8_t value)
 
 #if DEBUG & DEBUG_LOW
 	d[0] = addr | AO_ADXL375_READ;
-	d[1] = 0;
 	ao_adxl375_start();
-	ao_spi_duplex(d, d, 2, AO_ADXL375_SPI_INDEX);
+	ao_spi_send(d, 1, AO_ADXL375_SPI_INDEX);
+	ao_spi_recv(d, 1, AO_ADXL375_SPI_INDEX);
 	ao_adxl375_stop();
-	PRINTD(DEBUG_LOW, "readback %x %x\n", d[0], d[1]);
+	PRINTD(DEBUG_LOW, "readback %x\n", d[0]);
 #endif
 }
 
@@ -89,9 +90,9 @@ ao_adxl375_value(struct ao_adxl375_sample *value)
 
 	d[0] = AO_ADXL375_DATAX0 | AO_ADXL375_READ | AO_ADXL375_MULTI_BYTE;
 	ao_adxl375_start();
-	ao_spi_duplex(d, d, 7, AO_ADXL375_SPI_INDEX);
+	ao_spi_send(d, 1, AO_ADXL375_SPI_INDEX);
+	ao_spi_recv(value, 6, AO_ADXL375_SPI_INDEX);
 	ao_adxl375_stop();
-	memcpy(value, &d[1], 6);
 }
 
 struct ao_adxl375_total {