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/fe310/eos')
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);
--
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