switch to mode 3 for LCD

diff --git a/src/stm32f103-nucleo/ao_pins.h b/src/stm32f103-nucleo/ao_pins.h
index 8062d7f2a35e1745ea6d9e5a8ac61e1e1434e484..636960ffda658e491b073a9f2a9c793b17ed2925 100644 (file)
--- a/src/stm32f103-nucleo/ao_pins.h
+++ b/src/stm32f103-nucleo/ao_pins.h
@@ -59,13 +59,21 @@
 #define SPI_1_PA5_PA6_PA7      1
 #define SPI_1_MODE_OUTPUT      STM_GPIO_CR_MODE_OUTPUT_10MHZ
 
+/* Chip Select. LCD pin 1. nucleo PA4 = A2  */
 #define AO_ST7565_CS_PORT      (&stm_gpioa)    /* pin 1 */
 #define AO_ST7565_CS_PIN       4
+
+/* Reset. LCD pin 2. nucleo PA0 = A0 */
 #define AO_ST7565_RESET_PORT   (&stm_gpioa)    /* pin 2 */
 #define AO_ST7565_RESET_PIN    0
+
+/* A0. LCD pin 3. nucleo PA1 = A1 */
 #define AO_ST7565_A0_PORT      (&stm_gpioa)    /* pin 3 */
 #define AO_ST7565_A0_PIN       1
-#define AO_ST7565_SPI_BUS      AO_SPI_1_PA5_PA6_PA7
+
+/* SCLK. LCD DB6 pin 12. nucleo PA5 = D13 */
+/* MOSI. LCD DB7 pin 13. nucleo PA7 = D11 */
+#define AO_ST7565_SPI_BUS      (AO_SPI_1_PA5_PA6_PA7 | AO_SPI_MODE_3)
 #define AO_ST7565_WIDTH                128
 #define AO_ST7565_HEIGHT       64
 #define AO_ST7565_BIAS         ST7565_LCD_BIAS_1_9