test-sinclair: SS is not used at all

diff --git a/test-sinclair/README b/test-sinclair/README
index 39eb505aed2e33cb64f37788b9ae162c3eef847c..cdb49b88c433b255843ec3fdced7e635c6be22f6 100644 (file)
--- 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 aa2441fa33e8f5bc0846f3fd8735ebe5538bac5c..07c0d7dcd4abcb0bb44411c53a8f8ad877f93825 100644 (file)
--- 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);
 }