From 819f823ec215d5c9f4ae6c3d05cd9048e22703b7 Mon Sep 17 00:00:00 2001
From: Uros Majstorovic <majstor@majstor.org>
Date: Wed, 26 Feb 2020 13:38:40 +0100
Subject: spidev set divider

---
 code/fe310/eos/eos.h              |  1 -
 code/fe310/eos/eve/eve.h          |  1 +
 code/fe310/eos/eve/eve_platform.c |  2 ++
 code/fe310/eos/spi_dev.c          | 15 ++++++++++++---
 code/fe310/eos/spi_dev.h          |  2 ++
 5 files changed, 17 insertions(+), 4 deletions(-)

(limited to 'code')

diff --git a/code/fe310/eos/eos.h b/code/fe310/eos/eos.h
index b48b7c0..08bd10b 100644
--- a/code/fe310/eos/eos.h
+++ b/code/fe310/eos/eos.h
@@ -3,6 +3,5 @@
 #define EOS_ERR_FULL            -10
 #define EOS_ERR_EMPTY           -11
 #define EOS_ERR_NET             -20
-#define EOS_ERR_TEXT            -30
 
 void eos_init(void);
diff --git a/code/fe310/eos/eve/eve.h b/code/fe310/eos/eve/eve.h
index f377567..b72fdf5 100644
--- a/code/fe310/eos/eve/eve.h
+++ b/code/fe310/eos/eve/eve.h
@@ -5,6 +5,7 @@
 #define EVE_ETYPE_INTR                  1
 #define EVE_OK                          0
 #define EVE_ERR                         -1
+#define EVE_ERR_TEXT                    -100
 
 /* events */
 #define EVE_TOUCH_ETYPE_TRACK           0x0001
diff --git a/code/fe310/eos/eve/eve_platform.c b/code/fe310/eos/eve/eve_platform.c
index e15d414..bc0a7b9 100644
--- a/code/fe310/eos/eve/eve_platform.c
+++ b/code/fe310/eos/eve/eve_platform.c
@@ -66,4 +66,6 @@ void eve_init_platform(void) {
 
     GPIO_REG(GPIO_LOW_IE)       |=  (1 << EVE_PIN_INTR);
     eos_intr_set(INT_GPIO_BASE + EVE_PIN_INTR, IRQ_PRIORITY_UI, handle_intr);
+
+    eos_spi_dev_set_div(EOS_DEV_DISP, 4);
 }
\ No newline at end of file
diff --git a/code/fe310/eos/spi_dev.c b/code/fe310/eos/spi_dev.c
index dd956f3..aed26bc 100644
--- a/code/fe310/eos/spi_dev.c
+++ b/code/fe310/eos/spi_dev.c
@@ -20,17 +20,19 @@
 
 #define SPI_CSPIN_CAM       23
 
+static uint16_t spi_dev_div[EOS_DEV_MAX_DEV];
+
 void eos_spi_dev_start(unsigned char dev) {
     eos_net_stop();
     switch (dev) {
         case EOS_DEV_DISP:
-            eos_spi_start(dev, SPI_DIV_DISP, SPI_CSID_DISP, 0);
+            eos_spi_start(dev, spi_dev_div[dev-1], SPI_CSID_DISP, 0);
             break;
         case EOS_DEV_CARD:
-            eos_spi_start(dev, SPI_DIV_CARD, SPI_CSID_CARD, 0);
+            eos_spi_start(dev, spi_dev_div[dev-1], SPI_CSID_CARD, 0);
             break;
         case EOS_DEV_CAM:
-            eos_spi_start(dev, SPI_DIV_CAM, SPI_CSID_NONE, SPI_CSPIN_CAM);
+            eos_spi_start(dev, spi_dev_div[dev-1], SPI_CSID_NONE, SPI_CSPIN_CAM);
             break;
     }
 }
@@ -41,6 +43,10 @@ void eos_spi_dev_stop(void) {
 }
 
 void eos_spi_dev_init(void) {
+    spi_dev_div[EOS_DEV_DISP - 1] = SPI_DIV_DISP;
+    spi_dev_div[EOS_DEV_CARD - 1] = SPI_DIV_CARD;
+    spi_dev_div[EOS_DEV_CAM  - 1] = SPI_DIV_CAM;
+
     GPIO_REG(GPIO_INPUT_EN)     &= ~(1 << SPI_CSPIN_CAM);
     GPIO_REG(GPIO_OUTPUT_EN)    |=  (1 << SPI_CSPIN_CAM);
     GPIO_REG(GPIO_PULLUP_EN)    &= ~(1 << SPI_CSPIN_CAM);
@@ -48,3 +54,6 @@ void eos_spi_dev_init(void) {
     GPIO_REG(GPIO_OUTPUT_VAL)   |=  (1 << SPI_CSPIN_CAM);
 }
 
+void eos_spi_dev_set_div(unsigned char dev, uint16_t div) {
+    spi_dev_div[dev-1] = div;
+}
diff --git a/code/fe310/eos/spi_dev.h b/code/fe310/eos/spi_dev.h
index 256c48c..21dcee9 100644
--- a/code/fe310/eos/spi_dev.h
+++ b/code/fe310/eos/spi_dev.h
@@ -7,3 +7,5 @@
 void eos_spi_dev_init(void);
 void eos_spi_dev_start(unsigned char dev);
 void eos_spi_dev_stop(void);
+
+void eos_spi_dev_set_div(unsigned char dev, uint16_t div);
-- 
cgit v1.2.3