From 971141299a81e91fa4e91ee6ef7907332234b9fc Mon Sep 17 00:00:00 2001
From: schneider <schneider@blinkenlichts.net>
Date: Sun, 5 May 2019 23:37:21 +0200
Subject: [PATCH] feat(helloworld): Also scan 7 bit i2c bus
---
Hello_World/main.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/Hello_World/main.c b/Hello_World/main.c
index 51207e52..e691950e 100644
--- a/Hello_World/main.c
+++ b/Hello_World/main.c
@@ -103,8 +103,8 @@ int main(void)
printf("Hello World!\n");
//Setup the I2CM
- I2C_Shutdown(I2C_DEVICE);
- I2C_Init(I2C_DEVICE, I2C_FAST_MODE, NULL);
+ I2C_Shutdown(MXC_I2C0_BUS0);
+ I2C_Init(MXC_I2C0_BUS0, I2C_FAST_MODE, NULL);
I2C_Shutdown(MXC_I2C1_BUS0);
I2C_Init(MXC_I2C1_BUS0, I2C_FAST_MODE, NULL);
@@ -117,9 +117,14 @@ int main(void)
// "7-bit addresses 0b0000xxx and 0b1111xxx are reserved"
for (int addr = 0x8; addr < 0x78; ++addr) {
// A 0 byte write does not seem to work so always send a single byte.
- int res = I2C_MasterWrite(I2C_DEVICE, addr << 1, dummy, 1, 0);
+ int res = I2C_MasterWrite(MXC_I2C0_BUS0, addr << 1, dummy, 1, 0);
if(res == 1) {
- printf("Found (7 bit) address 0x%02x\n", addr);
+ printf("Found (7 bit) address 0x%02x on I2C0\n", addr);
+ }
+
+ res = I2C_MasterWrite(MXC_I2C1_BUS0, addr << 1, dummy, 1, 0);
+ if(res == 1) {
+ printf("Found (7 bit) address 0x%02x on I2C1\n", addr);
}
}
--
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