Revert "added ads7843 lld functions"

This reverts commit 163a42e48eae8f611075d88a6151ffc6dd343bba.

1 files changed, 28 insertions, 2 deletions

diff --git a/touchpad.c b/touchpad.c
index 611bd6bc..6f786f77 100644
--- a/touchpad.c
+++ b/touchpad.c
@@ -17,11 +17,37 @@ void tpInit(SPIDriver *spip) {
 }
 
 static __inline uint16_t readX(void) {
-	return lld_readX();
+	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;
 }
 
 static __inline uint16_t readY(void) {
-	return lld_readY();
+	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;
 }
 
 uint8_t tpIRQ(void) {