From d4625a1e6a21640a4eed51bf4f6162e611aac5c4 Mon Sep 17 00:00:00 2001
From: Tectu <joel@unormal.org>
Date: Sun, 17 Jun 2012 01:30:12 +0200
Subject: restructure

---
 drivers/touchpad/ads7843_lld.c | 43 ++++++++++++++++++++++++++++++++++++++++++
 drivers/touchpad/ads7843_lld.h | 15 +++++++++++++++
 drivers/touchpad/xpt2046_lld.c | 43 ++++++++++++++++++++++++++++++++++++++++++
 drivers/touchpad/xpt2046_lld.h | 15 +++++++++++++++
 4 files changed, 116 insertions(+)
 create mode 100644 drivers/touchpad/ads7843_lld.c
 create mode 100644 drivers/touchpad/ads7843_lld.h
 create mode 100644 drivers/touchpad/xpt2046_lld.c
 create mode 100644 drivers/touchpad/xpt2046_lld.h

(limited to 'drivers/touchpad')

diff --git a/drivers/touchpad/ads7843_lld.c b/drivers/touchpad/ads7843_lld.c
new file mode 100644
index 00000000..76e11123
--- /dev/null
+++ b/drivers/touchpad/ads7843_lld.c
@@ -0,0 +1,43 @@
+#include "ads7843_lld.h"
+
+#ifdef TOUCHPAD_USE_ADS7843
+
+__inline uint16_t lld_readX(void) {
+    uint8_t txbuf[1];
+    uint8_t rxbuf[2];
+    uint16_t x;
+
+    txbuf[0] = 0xd0;
+    SET_CS(0);
+    spiSend(&SPID1, 1, txbuf);
+    spiReceive(&SPID1, 2, rxbuf);
+    SET_CS(1);
+
+    x = rxbuf[0] << 4;
+    x |= rxbuf[1] >> 4;
+    
+    return x;
+}
+
+__inline uint16_t lld_readY(void) {
+    uint8_t txbuf[1];
+    uint8_t rxbuf[2];
+    uint16_t y;
+
+    txbuf[0] = 0x90;
+    SET_CS(0);
+    spiSend(&SPID1, 1, txbuf);
+    spiReceive(&SPID1, 2, rxbuf);
+    SET_CS(1);
+
+    y = rxbuf[0] << 4;
+    y |= rxbuf[1] >> 4;
+
+    return y;
+}
+
+__inline uint16_t lld_readZ(void) {
+	return 0;
+}
+
+#endif
diff --git a/drivers/touchpad/ads7843_lld.h b/drivers/touchpad/ads7843_lld.h
new file mode 100644
index 00000000..388aacc8
--- /dev/null
+++ b/drivers/touchpad/ads7843_lld.h
@@ -0,0 +1,15 @@
+#ifndef ADS7843_LLD_H
+#define ADS7843_LLD_H
+
+#include "glcdconf.h"
+#include "touchpad.h"
+
+#ifdef TOUCHPAD_USE_ADS7843
+
+uint16_t lld_readX(void);
+uint16_t lld_readY(void);
+uint16_t lld_readZ(void);
+
+#endif
+#endif
+
diff --git a/drivers/touchpad/xpt2046_lld.c b/drivers/touchpad/xpt2046_lld.c
new file mode 100644
index 00000000..731ff8c5
--- /dev/null
+++ b/drivers/touchpad/xpt2046_lld.c
@@ -0,0 +1,43 @@
+#include "xpt2046_lld.h"
+
+#ifdef TOUCHPAD_USE_XPT2046
+
+__inline uint16_t lld_readX(void) {
+    uint8_t txbuf[1];
+    uint8_t rxbuf[2];
+    uint16_t x;
+
+    txbuf[0] = 0xd0;
+    SET_CS(0);
+    spiSend(&SPID1, 1, txbuf);
+    spiReceive(&SPID1, 2, rxbuf);
+    SET_CS(1);
+
+    x = rxbuf[0] << 4;
+    x |= rxbuf[1] >> 4;
+    
+    return x;
+}
+
+__inline uint16_t lld_readY(void) {
+    uint8_t txbuf[1];
+    uint8_t rxbuf[2];
+    uint16_t y;
+
+    txbuf[0] = 0x90;
+    SET_CS(0);
+    spiSend(&SPID1, 1, txbuf);
+    spiReceive(&SPID1, 2, rxbuf);
+    SET_CS(1);
+
+    y = rxbuf[0] << 4;
+    y |= rxbuf[1] >> 4;
+
+    return y;
+}
+
+__inline uint16_t lld_readZ(void) {
+	return 0;
+}
+
+#endif
diff --git a/drivers/touchpad/xpt2046_lld.h b/drivers/touchpad/xpt2046_lld.h
new file mode 100644
index 00000000..ed7a0d09
--- /dev/null
+++ b/drivers/touchpad/xpt2046_lld.h
@@ -0,0 +1,15 @@
+#ifndef XPT2046_LLD_H
+#define XPT2046_LLD_H
+
+#include "glcdconf.h"
+#include "touchpad.h"
+
+#ifdef TOUCHPAD_USE_XPT2046
+
+uint16_t lld_readX(void);
+uint16_t lld_readY(void);
+uint16_t lld_readZ(void);
+
+#endif
+#endif
+
-- 
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