From: Martin Mares <mj@ucw.cz>
Date: Thu, 13 Jul 2023 13:41:49 +0000 (+0200)
Subject: test-sinclair: SS is not used at all
X-Git-Url: http://mj.ucw.cz/gitweb/?a=commitdiff_plain;h=1793ded89fcfcaa98cdc4c4bcfe7f33cceef5213;p=home-hw.git

test-sinclair: SS is not used at all
---

diff --git a/test-sinclair/README b/test-sinclair/README
index 39eb505..cdb49b8 100644
--- a/test-sinclair/README
+++ b/test-sinclair/README
@@ -26,5 +26,5 @@ BluePill LED		| PC13		 GND |
 			| RESET		PB15 |	MOSI2 - LED driver data input
 			| 3.3 V		PB14 |	MISO2 - unused
 			| GND		PB13 |	SCK2 - LED driver clock
-			| GND		PB12 |	SS2 - LED driver non-inverted select
+			| GND		PB12 |	SS2 - unused
 			+--------------------+
diff --git a/test-sinclair/main.c b/test-sinclair/main.c
index aa2441f..07c0d7d 100644
--- a/test-sinclair/main.c
+++ b/test-sinclair/main.c
@@ -55,10 +55,8 @@ static void gpio_init(void)
 	gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_50_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO13);
 	gpio_clear(GPIOC, GPIO13);
 
-	// PB12 = SS2 (but used as GP input)
 	// PB13 = SCK2
 	// PB15 = MOSI2
-	gpio_set_mode(GPIOB, GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, GPIO12);
 	gpio_set_mode(GPIOB, GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, GPIO13);
 	gpio_set_mode(GPIOB, GPIO_MODE_INPUT, GPIO_CNF_INPUT_FLOAT, GPIO15);
 }