From: Keith Packard <keithp@keithp.com>
Date: Thu, 21 Jun 2012 16:39:10 +0000 (-0700)
Subject: altos: Configure STM LCD driver for giant LCD digits
X-Git-Tag: 1.0.9.6~53
X-Git-Url: https://git.gag.com/?p=fw%2Faltos;a=commitdiff_plain;h=419a801131c1034f1fa149a67850290431cbda72

altos: Configure STM LCD driver for giant LCD digits

These devices require static mode.

Signed-off-by: Keith Packard <keithp@keithp.com>
---

diff --git a/src/stm-demo/ao_demo.c b/src/stm-demo/ao_demo.c
index 232c2313..73ace558 100644
--- a/src/stm-demo/ao_demo.c
+++ b/src/stm-demo/ao_demo.c
@@ -166,7 +166,7 @@ main(void)
 	ao_timer_init();
 	ao_dma_init();
 	ao_cmd_init();
-//	ao_lcd_stm_init();
+	ao_lcd_stm_init();
 //	ao_lcd_font_init();
 	ao_spi_init();
 	ao_i2c_init();
diff --git a/src/stm/ao_lcd_stm.c b/src/stm/ao_lcd_stm.c
index f68cf165..b1909444 100644
--- a/src/stm/ao_lcd_stm.c
+++ b/src/stm/ao_lcd_stm.c
@@ -328,10 +328,14 @@ ao_lcd_stm_init(void)
 		}
 	}
 
+	/* Disable the LCD */
+	stm_lcd.cr = 0;
+
 	/* duty cycle 1/3, radio 352, frame rate about 33Hz */
-	stm_lcd.fcr = ((STM_LCD_FCR_PS_1 << STM_LCD_FCR_PS) |
-		       (STM_LCD_FCR_DIV_31 << STM_LCD_FCR_DIV) |
+	stm_lcd.fcr = ((STM_LCD_FCR_PS_16 << STM_LCD_FCR_PS) |
+		       (STM_LCD_FCR_DIV_20 << STM_LCD_FCR_DIV) |
 		       (4 << STM_LCD_FCR_CC) |
+		       (0 << STM_LCD_FCR_DEAD) |
 		       (4 << STM_LCD_FCR_PON) |
 		       (0 << STM_LCD_FCR_UDDIE) |
 		       (0 << STM_LCD_FCR_SOFIE) |
@@ -343,8 +347,8 @@ ao_lcd_stm_init(void)
 	/* Program desired BIAS in LCD_CR */
 	/* Enable mux seg */
 	/* Internal voltage source */
-	stm_lcd.cr = ((STM_LCD_CR_DUTY_1_4 << STM_LCD_CR_DUTY) |
-		      (STM_LCD_CR_BIAS_1_3 << STM_LCD_CR_BIAS) |
+	stm_lcd.cr = ((STM_LCD_CR_DUTY_STATIC << STM_LCD_CR_DUTY) |
+		      (STM_LCD_CR_BIAS_1_2 << STM_LCD_CR_BIAS) |
 		      (0 << STM_LCD_CR_VSEL) |
 		      (1 << STM_LCD_CR_MUX_SEG));