From: Keith Packard <keithp@keithp.com>
Date: Sun, 13 Nov 2022 07:35:40 +0000 (-0800)
Subject: altos/ms5607: Fixup ms5607 changes for other chips
X-Git-Tag: 1.9.13~1^2~26^2~4
X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=commitdiff_plain;h=b4960336c0ae960bee40fdd337e58fcc8846ac87

altos/ms5607: Fixup ms5607 changes for other chips

A couple of chips don't bother providing duplex, so allow for that.

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

diff --git a/src/drivers/ao_ms5607.c b/src/drivers/ao_ms5607.c
index 1e4cd159..1cddcaf5 100644
--- a/src/drivers/ao_ms5607.c
+++ b/src/drivers/ao_ms5607.c
@@ -178,9 +178,13 @@ ao_ms5607_get_sample(uint8_t cmd) {
 #endif
 
 	ao_ms5607_start();
-	memset(reply, 0, sizeof(reply));
 	reply[0] = AO_MS5607_ADC_READ;
-	ao_spi_duplex(&reply, &reply, 6, AO_MS5607_SPI_INDEX);
+#if defined(AO_SPI_DUPLEX) && AO_SPI_DUPLEX == 0
+	ao_spi_send(reply, 1, AO_MS5607_SPI_INDEX);
+	ao_spi_recv(reply+1, 3, AO_MS5607_SPI_INDEX);
+#else
+	ao_spi_duplex(&reply, &reply, 4, AO_MS5607_SPI_INDEX);
+#endif
 	ao_ms5607_stop();
 
 	return ((uint32_t) reply[1] << 16) | ((uint32_t) reply[2] << 8) | (uint32_t) reply[3];