From d916cf5f6326c798e400a9fe0db6ad776f9a861f Mon Sep 17 00:00:00 2001
From: David Connelly <david.connelly@sifive.com>
Date: Mon, 4 Mar 2019 10:50:41 -0500
Subject: coreplexip-welcome example updated using freedom metal
---
README.md | 4 +-
software/coreplexip-welcome/Makefile | 4 +
software/coreplexip-welcome/README.md | 2 +
software/coreplexip-welcome/coreplexip-welcome.c | 156 +++++++++++++++++++++++
4 files changed, 165 insertions(+), 1 deletion(-)
create mode 100644 software/coreplexip-welcome/Makefile
create mode 100644 software/coreplexip-welcome/README.md
create mode 100644 software/coreplexip-welcome/coreplexip-welcome.c
diff --git a/README.md b/README.md
index 2484c5f..0feac4f 100644
--- a/README.md
+++ b/README.md
@@ -79,7 +79,9 @@ of Freedom E SDK.
- Demonstrates how to register a handler for and trigger a local interrupt
- example-pmp
- Demonstrates how to configure a Physical Memory Protection (PMP) region
-
+ - coreplexip-welcome
+ - Prints the SiFive banner and blinks LEDs
+
#### (Deprecated) Legacy Freedom E SDK Library ####
As we transition to supporting SiFive targets and examples with the new Freedom Metal
diff --git a/software/coreplexip-welcome/Makefile b/software/coreplexip-welcome/Makefile
new file mode 100644
index 0000000..f9c9ead
--- /dev/null
+++ b/software/coreplexip-welcome/Makefile
@@ -0,0 +1,4 @@
+coreplexip-welcome: coreplexip-welcome.c
+
+clean:
+ rm -f coreplexip-welcome coreplexip-welcome.hex
diff --git a/software/coreplexip-welcome/README.md b/software/coreplexip-welcome/README.md
new file mode 100644
index 0000000..5ea36ef
--- /dev/null
+++ b/software/coreplexip-welcome/README.md
@@ -0,0 +1,2 @@
+# coreplexip-welcome
+A simple "CoreplexIP Welcome" example which prints SiFive banner and uses board LEDs.
diff --git a/software/coreplexip-welcome/coreplexip-welcome.c b/software/coreplexip-welcome/coreplexip-welcome.c
new file mode 100644
index 0000000..a975b1c
--- /dev/null
+++ b/software/coreplexip-welcome/coreplexip-welcome.c
@@ -0,0 +1,156 @@
+
+#include <stdio.h>
+#include <metal/cpu.h>
+#include <metal/led.h>
+#include <metal/button.h>
+#include <metal/switch.h>
+
+#define RTC_FREQ 32768
+
+struct metal_cpu *cpu0;
+struct metal_interrupt *cpu_intr, *tmr_intr;
+int tmr_id;
+volatile uint32_t timer_isr_flag;
+
+void display_banner (void) {
+
+ printf("\n");
+ printf("\n");
+ printf(" SIFIVE, INC.\n");
+ printf("\n");
+ printf(" 5555555555555555555555555\n");
+ printf(" 5555 5555\n");
+ printf(" 5555 5555\n");
+ printf(" 5555 5555\n");
+ printf(" 5555 5555555555555555555555\n");
+ printf(" 5555 555555555555555555555555\n");
+ printf(" 5555 5555\n");
+ printf(" 5555 5555\n");
+ printf(" 5555 5555\n");
+ printf(" 5555555555555555555555555555 55555\n");
+ printf(" 55555 555555555 55555\n");
+ printf(" 55555 55555 55555\n");
+ printf(" 55555 5 55555\n");
+ printf(" 55555 55555\n");
+ printf(" 55555 55555\n");
+ printf(" 55555 55555\n");
+ printf(" 55555 55555\n");
+ printf(" 55555 55555\n");
+ printf(" 555555555\n");
+ printf(" 55555\n");
+ printf(" 5\n");
+ printf("\n");
+
+ printf("\n");
+ printf("Welcome to the E31/E51 Coreplex IP FPGA Evaluation Kit!\n");
+
+}
+
+void timer_isr (int id, void *data) {
+
+ // Disable Timer interrupt
+ metal_interrupt_disable(tmr_intr, tmr_id);
+
+ // Flag showing we hit timer isr
+ timer_isr_flag = 1;
+}
+
+void wait_for_timer(struct metal_led *which_led) {
+
+ // clear global timer isr flag
+ timer_isr_flag = 0;
+
+ // Turn on desired LED
+ metal_led_on(which_led);
+
+ // Set timer
+ metal_cpu_set_mtimecmp(cpu0, metal_cpu_get_mtime(cpu0) + RTC_FREQ);
+
+ // Enable Timer interrupt
+ metal_interrupt_enable(tmr_intr, tmr_id);
+
+ // wait till timer triggers and isr is hit
+ while (timer_isr_flag == 0){};
+
+ timer_isr_flag = 0;
+
+ // All Off
+ metal_led_off(which_led);
+}
+
+int main (void)
+{
+ int rc, up_cnt, dn_cnt;
+ struct metal_led *led0_red, *led0_green, *led0_blue;
+
+ // This demo will toggle LEDs colors so we define them here
+ led0_red = metal_led_get_rgb("LD0", "red");
+ led0_green = metal_led_get_rgb("LD0", "green");
+ led0_blue = metal_led_get_rgb("LD0", "blue");
+ if ((led0_red == NULL) || (led0_green == NULL) || (led0_blue == NULL)) {
+ printf("At least one of LEDs is null.\n");
+ return 1;
+ }
+
+ // Enable each LED
+ metal_led_enable(led0_red);
+ metal_led_enable(led0_green);
+ metal_led_enable(led0_blue);
+
+ // All Off
+ metal_led_off(led0_red);
+ metal_led_off(led0_green);
+ metal_led_off(led0_blue);
+
+ // Lets get the CPU and and its interrupt
+ cpu0 = metal_cpu_get(0);
+ if (cpu0 == NULL) {
+ printf("CPU null.\n");
+ return 2;
+ }
+ cpu_intr = metal_cpu_interrupt_controller(cpu0);
+ if (cpu_intr == NULL) {
+ printf("CPU interrupt controller is null.\n");
+ return 3;
+ }
+ metal_interrupt_init(cpu_intr);
+
+ // display welcome banner
+ display_banner();
+
+ // Setup Timer and its interrupt so we can toggle LEDs on 1s cadence
+ tmr_intr = metal_cpu_timer_interrupt_controller(cpu0);
+ if (tmr_intr == NULL) {
+ printf("TIMER interrupt controller is null.\n");
+ return 4;
+ }
+ metal_interrupt_init(tmr_intr);
+ tmr_id = metal_cpu_timer_get_interrupt_id(cpu0);
+ rc = metal_interrupt_register_handler(tmr_intr, tmr_id, timer_isr, cpu0);
+ if (rc < 0) {
+ printf("TIMER interrupt handler registration failed\n");
+ return (rc * -1);
+ }
+
+ // Lastly CPU interrupt
+ if (metal_interrupt_enable(cpu_intr, 0) == -1) {
+ printf("CPU interrupt enable failed\n");
+ return 6;
+ }
+
+ // Red -> Green -> Blue, repeat
+ while (1) {
+
+ // Turn on RED
+ wait_for_timer(led0_red);
+
+ // Turn on Green
+ wait_for_timer(led0_green);
+
+ // Turn on Blue
+ wait_for_timer(led0_blue);
+ }
+
+ // return
+ return 0;
+}
--
cgit v1.2.3
From 590f34d5399dcd497d6bc1fa4f3722fe1741a5fb Mon Sep 17 00:00:00 2001
From: David Connelly <david.connelly@sifive.com>
Date: Mon, 4 Mar 2019 11:04:34 -0500
Subject: fix spacing, remove tabs
---
software/coreplexip-welcome/coreplexip-welcome.c | 18 +++++++++---------
1 file changed, 9 insertions(+), 9 deletions(-)
diff --git a/software/coreplexip-welcome/coreplexip-welcome.c b/software/coreplexip-welcome/coreplexip-welcome.c
index a975b1c..de6f92d 100644
--- a/software/coreplexip-welcome/coreplexip-welcome.c
+++ b/software/coreplexip-welcome/coreplexip-welcome.c
@@ -48,7 +48,7 @@ void display_banner (void) {
void timer_isr (int id, void *data) {
- // Disable Timer interrupt
+ // Disable Timer interrupt
metal_interrupt_disable(tmr_intr, tmr_id);
// Flag showing we hit timer isr
@@ -57,22 +57,22 @@ void timer_isr (int id, void *data) {
void wait_for_timer(struct metal_led *which_led) {
- // clear global timer isr flag
+ // clear global timer isr flag
timer_isr_flag = 0;
- // Turn on desired LED
- metal_led_on(which_led);
+ // Turn on desired LED
+ metal_led_on(which_led);
// Set timer
metal_cpu_set_mtimecmp(cpu0, metal_cpu_get_mtime(cpu0) + RTC_FREQ);
- // Enable Timer interrupt
- metal_interrupt_enable(tmr_intr, tmr_id);
+ // Enable Timer interrupt
+ metal_interrupt_enable(tmr_intr, tmr_id);
- // wait till timer triggers and isr is hit
- while (timer_isr_flag == 0){};
+ // wait till timer triggers and isr is hit
+ while (timer_isr_flag == 0){};
- timer_isr_flag = 0;
+ timer_isr_flag = 0;
// All Off
metal_led_off(which_led);
--
cgit v1.2.3
From 40516386bd96b3341bccc666012b4a1007338acd Mon Sep 17 00:00:00 2001
From: David Connelly <david.connelly@sifive.com>
Date: Tue, 5 Mar 2019 09:51:46 -0500
Subject: changed demo name to coreip-welcome to match bsp convention (was
coreplexip-welcome)
---
README.md | 2 +-
software/coreip-welcome/Makefile | 6 +
software/coreip-welcome/README.md | 2 +
software/coreip-welcome/coreip-welcome.c | 156 +++++++++++++++++++++++
software/coreplexip-welcome/Makefile | 4 -
software/coreplexip-welcome/README.md | 2 -
software/coreplexip-welcome/coreplexip-welcome.c | 156 -----------------------
7 files changed, 165 insertions(+), 163 deletions(-)
create mode 100644 software/coreip-welcome/Makefile
create mode 100644 software/coreip-welcome/README.md
create mode 100644 software/coreip-welcome/coreip-welcome.c
delete mode 100644 software/coreplexip-welcome/Makefile
delete mode 100644 software/coreplexip-welcome/README.md
delete mode 100644 software/coreplexip-welcome/coreplexip-welcome.c
diff --git a/README.md b/README.md
index 0feac4f..d2496df 100644
--- a/README.md
+++ b/README.md
@@ -79,7 +79,7 @@ of Freedom E SDK.
- Demonstrates how to register a handler for and trigger a local interrupt
- example-pmp
- Demonstrates how to configure a Physical Memory Protection (PMP) region
- - coreplexip-welcome
+ - coreip-welcome
- Prints the SiFive banner and blinks LEDs
#### (Deprecated) Legacy Freedom E SDK Library ####
diff --git a/software/coreip-welcome/Makefile b/software/coreip-welcome/Makefile
new file mode 100644
index 0000000..3198603
--- /dev/null
+++ b/software/coreip-welcome/Makefile
@@ -0,0 +1,6 @@
+
+coreip-welcome: coreip-welcome.c
+
+clean:
+ rm -f coreip-welcome coreip-welcome.hex
+
diff --git a/software/coreip-welcome/README.md b/software/coreip-welcome/README.md
new file mode 100644
index 0000000..a9a513b
--- /dev/null
+++ b/software/coreip-welcome/README.md
@@ -0,0 +1,2 @@
+# coreip-welcome
+A simple "CoreIP Welcome" example which prints SiFive banner and uses board LEDs.
diff --git a/software/coreip-welcome/coreip-welcome.c b/software/coreip-welcome/coreip-welcome.c
new file mode 100644
index 0000000..7147d83
--- /dev/null
+++ b/software/coreip-welcome/coreip-welcome.c
@@ -0,0 +1,156 @@
+
+#include <stdio.h>
+#include <metal/cpu.h>
+#include <metal/led.h>
+#include <metal/button.h>
+#include <metal/switch.h>
+
+#define RTC_FREQ 32768
+
+struct metal_cpu *cpu0;
+struct metal_interrupt *cpu_intr, *tmr_intr;
+int tmr_id;
+volatile uint32_t timer_isr_flag;
+
+void display_banner (void) {
+
+ printf("\n");
+ printf("\n");
+ printf(" SIFIVE, INC.\n");
+ printf("\n");
+ printf(" 5555555555555555555555555\n");
+ printf(" 5555 5555\n");
+ printf(" 5555 5555\n");
+ printf(" 5555 5555\n");
+ printf(" 5555 5555555555555555555555\n");
+ printf(" 5555 555555555555555555555555\n");
+ printf(" 5555 5555\n");
+ printf(" 5555 5555\n");
+ printf(" 5555 5555\n");
+ printf(" 5555555555555555555555555555 55555\n");
+ printf(" 55555 555555555 55555\n");
+ printf(" 55555 55555 55555\n");
+ printf(" 55555 5 55555\n");
+ printf(" 55555 55555\n");
+ printf(" 55555 55555\n");
+ printf(" 55555 55555\n");
+ printf(" 55555 55555\n");
+ printf(" 55555 55555\n");
+ printf(" 555555555\n");
+ printf(" 55555\n");
+ printf(" 5\n");
+ printf("\n");
+
+ printf("\n");
+ printf("Welcome to the E31/E51 Core IP FPGA Evaluation Kit!\n");
+
+}
+
+void timer_isr (int id, void *data) {
+
+ // Disable Timer interrupt
+ metal_interrupt_disable(tmr_intr, tmr_id);
+
+ // Flag showing we hit timer isr
+ timer_isr_flag = 1;
+}
+
+void wait_for_timer(struct metal_led *which_led) {
+
+ // clear global timer isr flag
+ timer_isr_flag = 0;
+
+ // Turn on desired LED
+ metal_led_on(which_led);
+
+ // Set timer
+ metal_cpu_set_mtimecmp(cpu0, metal_cpu_get_mtime(cpu0) + RTC_FREQ);
+
+ // Enable Timer interrupt
+ metal_interrupt_enable(tmr_intr, tmr_id);
+
+ // wait till timer triggers and isr is hit
+ while (timer_isr_flag == 0){};
+
+ timer_isr_flag = 0;
+
+ // All Off
+ metal_led_off(which_led);
+}
+
+int main (void)
+{
+ int rc, up_cnt, dn_cnt;
+ struct metal_led *led0_red, *led0_green, *led0_blue;
+
+ // This demo will toggle LEDs colors so we define them here
+ led0_red = metal_led_get_rgb("LD0", "red");
+ led0_green = metal_led_get_rgb("LD0", "green");
+ led0_blue = metal_led_get_rgb("LD0", "blue");
+ if ((led0_red == NULL) || (led0_green == NULL) || (led0_blue == NULL)) {
+ printf("At least one of LEDs is null.\n");
+ return 1;
+ }
+
+ // Enable each LED
+ metal_led_enable(led0_red);
+ metal_led_enable(led0_green);
+ metal_led_enable(led0_blue);
+
+ // All Off
+ metal_led_off(led0_red);
+ metal_led_off(led0_green);
+ metal_led_off(led0_blue);
+
+ // Lets get the CPU and and its interrupt
+ cpu0 = metal_cpu_get(0);
+ if (cpu0 == NULL) {
+ printf("CPU null.\n");
+ return 2;
+ }
+ cpu_intr = metal_cpu_interrupt_controller(cpu0);
+ if (cpu_intr == NULL) {
+ printf("CPU interrupt controller is null.\n");
+ return 3;
+ }
+ metal_interrupt_init(cpu_intr);
+
+ // display welcome banner
+ display_banner();
+
+ // Setup Timer and its interrupt so we can toggle LEDs on 1s cadence
+ tmr_intr = metal_cpu_timer_interrupt_controller(cpu0);
+ if (tmr_intr == NULL) {
+ printf("TIMER interrupt controller is null.\n");
+ return 4;
+ }
+ metal_interrupt_init(tmr_intr);
+ tmr_id = metal_cpu_timer_get_interrupt_id(cpu0);
+ rc = metal_interrupt_register_handler(tmr_intr, tmr_id, timer_isr, cpu0);
+ if (rc < 0) {
+ printf("TIMER interrupt handler registration failed\n");
+ return (rc * -1);
+ }
+
+ // Lastly CPU interrupt
+ if (metal_interrupt_enable(cpu_intr, 0) == -1) {
+ printf("CPU interrupt enable failed\n");
+ return 6;
+ }
+
+ // Red -> Green -> Blue, repeat
+ while (1) {
+
+ // Turn on RED
+ wait_for_timer(led0_red);
+
+ // Turn on Green
+ wait_for_timer(led0_green);
+
+ // Turn on Blue
+ wait_for_timer(led0_blue);
+ }
+
+ // return
+ return 0;
+}
diff --git a/software/coreplexip-welcome/Makefile b/software/coreplexip-welcome/Makefile
deleted file mode 100644
index f9c9ead..0000000
--- a/software/coreplexip-welcome/Makefile
+++ /dev/null
@@ -1,4 +0,0 @@
-coreplexip-welcome: coreplexip-welcome.c
-
-clean:
- rm -f coreplexip-welcome coreplexip-welcome.hex
diff --git a/software/coreplexip-welcome/README.md b/software/coreplexip-welcome/README.md
deleted file mode 100644
index 5ea36ef..0000000
--- a/software/coreplexip-welcome/README.md
+++ /dev/null
@@ -1,2 +0,0 @@
-# coreplexip-welcome
-A simple "CoreplexIP Welcome" example which prints SiFive banner and uses board LEDs.
diff --git a/software/coreplexip-welcome/coreplexip-welcome.c b/software/coreplexip-welcome/coreplexip-welcome.c
deleted file mode 100644
index de6f92d..0000000
--- a/software/coreplexip-welcome/coreplexip-welcome.c
+++ /dev/null
@@ -1,156 +0,0 @@
-
-#include <stdio.h>
-#include <metal/cpu.h>
-#include <metal/led.h>
-#include <metal/button.h>
-#include <metal/switch.h>
-
-#define RTC_FREQ 32768
-
-struct metal_cpu *cpu0;
-struct metal_interrupt *cpu_intr, *tmr_intr;
-int tmr_id;
-volatile uint32_t timer_isr_flag;
-
-void display_banner (void) {
-
- printf("\n");
- printf("\n");
- printf(" SIFIVE, INC.\n");
- printf("\n");
- printf(" 5555555555555555555555555\n");
- printf(" 5555 5555\n");
- printf(" 5555 5555\n");
- printf(" 5555 5555\n");
- printf(" 5555 5555555555555555555555\n");
- printf(" 5555 555555555555555555555555\n");
- printf(" 5555 5555\n");
- printf(" 5555 5555\n");
- printf(" 5555 5555\n");
- printf(" 5555555555555555555555555555 55555\n");
- printf(" 55555 555555555 55555\n");
- printf(" 55555 55555 55555\n");
- printf(" 55555 5 55555\n");
- printf(" 55555 55555\n");
- printf(" 55555 55555\n");
- printf(" 55555 55555\n");
- printf(" 55555 55555\n");
- printf(" 55555 55555\n");
- printf(" 555555555\n");
- printf(" 55555\n");
- printf(" 5\n");
- printf("\n");
-
- printf("\n");
- printf("Welcome to the E31/E51 Coreplex IP FPGA Evaluation Kit!\n");
-
-}
-
-void timer_isr (int id, void *data) {
-
- // Disable Timer interrupt
- metal_interrupt_disable(tmr_intr, tmr_id);
-
- // Flag showing we hit timer isr
- timer_isr_flag = 1;
-}
-
-void wait_for_timer(struct metal_led *which_led) {
-
- // clear global timer isr flag
- timer_isr_flag = 0;
-
- // Turn on desired LED
- metal_led_on(which_led);
-
- // Set timer
- metal_cpu_set_mtimecmp(cpu0, metal_cpu_get_mtime(cpu0) + RTC_FREQ);
-
- // Enable Timer interrupt
- metal_interrupt_enable(tmr_intr, tmr_id);
-
- // wait till timer triggers and isr is hit
- while (timer_isr_flag == 0){};
-
- timer_isr_flag = 0;
-
- // All Off
- metal_led_off(which_led);
-}
-
-int main (void)
-{
- int rc, up_cnt, dn_cnt;
- struct metal_led *led0_red, *led0_green, *led0_blue;
-
- // This demo will toggle LEDs colors so we define them here
- led0_red = metal_led_get_rgb("LD0", "red");
- led0_green = metal_led_get_rgb("LD0", "green");
- led0_blue = metal_led_get_rgb("LD0", "blue");
- if ((led0_red == NULL) || (led0_green == NULL) || (led0_blue == NULL)) {
- printf("At least one of LEDs is null.\n");
- return 1;
- }
-
- // Enable each LED
- metal_led_enable(led0_red);
- metal_led_enable(led0_green);
- metal_led_enable(led0_blue);
-
- // All Off
- metal_led_off(led0_red);
- metal_led_off(led0_green);
- metal_led_off(led0_blue);
-
- // Lets get the CPU and and its interrupt
- cpu0 = metal_cpu_get(0);
- if (cpu0 == NULL) {
- printf("CPU null.\n");
- return 2;
- }
- cpu_intr = metal_cpu_interrupt_controller(cpu0);
- if (cpu_intr == NULL) {
- printf("CPU interrupt controller is null.\n");
- return 3;
- }
- metal_interrupt_init(cpu_intr);
-
- // display welcome banner
- display_banner();
-
- // Setup Timer and its interrupt so we can toggle LEDs on 1s cadence
- tmr_intr = metal_cpu_timer_interrupt_controller(cpu0);
- if (tmr_intr == NULL) {
- printf("TIMER interrupt controller is null.\n");
- return 4;
- }
- metal_interrupt_init(tmr_intr);
- tmr_id = metal_cpu_timer_get_interrupt_id(cpu0);
- rc = metal_interrupt_register_handler(tmr_intr, tmr_id, timer_isr, cpu0);
- if (rc < 0) {
- printf("TIMER interrupt handler registration failed\n");
- return (rc * -1);
- }
-
- // Lastly CPU interrupt
- if (metal_interrupt_enable(cpu_intr, 0) == -1) {
- printf("CPU interrupt enable failed\n");
- return 6;
- }
-
- // Red -> Green -> Blue, repeat
- while (1) {
-
- // Turn on RED
- wait_for_timer(led0_red);
-
- // Turn on Green
- wait_for_timer(led0_green);
-
- // Turn on Blue
- wait_for_timer(led0_blue);
- }
-
- // return
- return 0;
-}
--
cgit v1.2.3
From 8e886ab52c3621cc25f158ca86b452356c22b9a2 Mon Sep 17 00:00:00 2001
From: David Connelly <david.connelly@sifive.com>
Date: Tue, 5 Mar 2019 14:55:06 -0500
Subject: submodule name change
---
software/example-coreip-welcome | 1 +
1 file changed, 1 insertion(+)
create mode 160000 software/example-coreip-welcome
diff --git a/software/example-coreip-welcome b/software/example-coreip-welcome
new file mode 160000
index 0000000..b8e2d46
--- /dev/null
+++ b/software/example-coreip-welcome
@@ -0,0 +1 @@
+Subproject commit b8e2d46f3d589dab7b4ba4c38b87d3dec02e3b81
--
cgit v1.2.3
From 0f5acb16b51fe3a2b2f93f096f2c928c2a0a0a40 Mon Sep 17 00:00:00 2001
From: David Connelly <david.connelly@sifive.com>
Date: Tue, 5 Mar 2019 15:08:12 -0500
Subject: Updated to submodule
---
.gitmodules | 3 +
README.md | 2 +-
software/coreip-welcome/Makefile | 6 --
software/coreip-welcome/README.md | 2 -
software/coreip-welcome/coreip-welcome.c | 156 -------------------------------
software/example-coreip-welcome | 2 +-
6 files changed, 5 insertions(+), 166 deletions(-)
delete mode 100644 software/coreip-welcome/Makefile
delete mode 100644 software/coreip-welcome/README.md
delete mode 100644 software/coreip-welcome/coreip-welcome.c
diff --git a/.gitmodules b/.gitmodules
index 068c7a1..28db658 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -37,3 +37,6 @@
[submodule "software/empty"]
path = software/empty
url = https://github.com/sifive/example-empty.git
+[submodule "software/example-coreip-welcome"]
+ path = software/example-coreip-welcome
+ url = https://github.com/sifive/example-coreip-welcome
diff --git a/README.md b/README.md
index d2496df..56d3ddd 100644
--- a/README.md
+++ b/README.md
@@ -79,7 +79,7 @@ of Freedom E SDK.
- Demonstrates how to register a handler for and trigger a local interrupt
- example-pmp
- Demonstrates how to configure a Physical Memory Protection (PMP) region
- - coreip-welcome
+ - example-coreip-welcome
- Prints the SiFive banner and blinks LEDs
#### (Deprecated) Legacy Freedom E SDK Library ####
diff --git a/software/coreip-welcome/Makefile b/software/coreip-welcome/Makefile
deleted file mode 100644
index 3198603..0000000
--- a/software/coreip-welcome/Makefile
+++ /dev/null
@@ -1,6 +0,0 @@
-
-coreip-welcome: coreip-welcome.c
-
-clean:
- rm -f coreip-welcome coreip-welcome.hex
-
diff --git a/software/coreip-welcome/README.md b/software/coreip-welcome/README.md
deleted file mode 100644
index a9a513b..0000000
--- a/software/coreip-welcome/README.md
+++ /dev/null
@@ -1,2 +0,0 @@
-# coreip-welcome
-A simple "CoreIP Welcome" example which prints SiFive banner and uses board LEDs.
diff --git a/software/coreip-welcome/coreip-welcome.c b/software/coreip-welcome/coreip-welcome.c
deleted file mode 100644
index 7147d83..0000000
--- a/software/coreip-welcome/coreip-welcome.c
+++ /dev/null
@@ -1,156 +0,0 @@
-
-#include <stdio.h>
-#include <metal/cpu.h>
-#include <metal/led.h>
-#include <metal/button.h>
-#include <metal/switch.h>
-
-#define RTC_FREQ 32768
-
-struct metal_cpu *cpu0;
-struct metal_interrupt *cpu_intr, *tmr_intr;
-int tmr_id;
-volatile uint32_t timer_isr_flag;
-
-void display_banner (void) {
-
- printf("\n");
- printf("\n");
- printf(" SIFIVE, INC.\n");
- printf("\n");
- printf(" 5555555555555555555555555\n");
- printf(" 5555 5555\n");
- printf(" 5555 5555\n");
- printf(" 5555 5555\n");
- printf(" 5555 5555555555555555555555\n");
- printf(" 5555 555555555555555555555555\n");
- printf(" 5555 5555\n");
- printf(" 5555 5555\n");
- printf(" 5555 5555\n");
- printf(" 5555555555555555555555555555 55555\n");
- printf(" 55555 555555555 55555\n");
- printf(" 55555 55555 55555\n");
- printf(" 55555 5 55555\n");
- printf(" 55555 55555\n");
- printf(" 55555 55555\n");
- printf(" 55555 55555\n");
- printf(" 55555 55555\n");
- printf(" 55555 55555\n");
- printf(" 555555555\n");
- printf(" 55555\n");
- printf(" 5\n");
- printf("\n");
-
- printf("\n");
- printf("Welcome to the E31/E51 Core IP FPGA Evaluation Kit!\n");
-
-}
-
-void timer_isr (int id, void *data) {
-
- // Disable Timer interrupt
- metal_interrupt_disable(tmr_intr, tmr_id);
-
- // Flag showing we hit timer isr
- timer_isr_flag = 1;
-}
-
-void wait_for_timer(struct metal_led *which_led) {
-
- // clear global timer isr flag
- timer_isr_flag = 0;
-
- // Turn on desired LED
- metal_led_on(which_led);
-
- // Set timer
- metal_cpu_set_mtimecmp(cpu0, metal_cpu_get_mtime(cpu0) + RTC_FREQ);
-
- // Enable Timer interrupt
- metal_interrupt_enable(tmr_intr, tmr_id);
-
- // wait till timer triggers and isr is hit
- while (timer_isr_flag == 0){};
-
- timer_isr_flag = 0;
-
- // All Off
- metal_led_off(which_led);
-}
-
-int main (void)
-{
- int rc, up_cnt, dn_cnt;
- struct metal_led *led0_red, *led0_green, *led0_blue;
-
- // This demo will toggle LEDs colors so we define them here
- led0_red = metal_led_get_rgb("LD0", "red");
- led0_green = metal_led_get_rgb("LD0", "green");
- led0_blue = metal_led_get_rgb("LD0", "blue");
- if ((led0_red == NULL) || (led0_green == NULL) || (led0_blue == NULL)) {
- printf("At least one of LEDs is null.\n");
- return 1;
- }
-
- // Enable each LED
- metal_led_enable(led0_red);
- metal_led_enable(led0_green);
- metal_led_enable(led0_blue);
-
- // All Off
- metal_led_off(led0_red);
- metal_led_off(led0_green);
- metal_led_off(led0_blue);
-
- // Lets get the CPU and and its interrupt
- cpu0 = metal_cpu_get(0);
- if (cpu0 == NULL) {
- printf("CPU null.\n");
- return 2;
- }
- cpu_intr = metal_cpu_interrupt_controller(cpu0);
- if (cpu_intr == NULL) {
- printf("CPU interrupt controller is null.\n");
- return 3;
- }
- metal_interrupt_init(cpu_intr);
-
- // display welcome banner
- display_banner();
-
- // Setup Timer and its interrupt so we can toggle LEDs on 1s cadence
- tmr_intr = metal_cpu_timer_interrupt_controller(cpu0);
- if (tmr_intr == NULL) {
- printf("TIMER interrupt controller is null.\n");
- return 4;
- }
- metal_interrupt_init(tmr_intr);
- tmr_id = metal_cpu_timer_get_interrupt_id(cpu0);
- rc = metal_interrupt_register_handler(tmr_intr, tmr_id, timer_isr, cpu0);
- if (rc < 0) {
- printf("TIMER interrupt handler registration failed\n");
- return (rc * -1);
- }
-
- // Lastly CPU interrupt
- if (metal_interrupt_enable(cpu_intr, 0) == -1) {
- printf("CPU interrupt enable failed\n");
- return 6;
- }
-
- // Red -> Green -> Blue, repeat
- while (1) {
-
- // Turn on RED
- wait_for_timer(led0_red);
-
- // Turn on Green
- wait_for_timer(led0_green);
-
- // Turn on Blue
- wait_for_timer(led0_blue);
- }
-
- // return
- return 0;
-}
diff --git a/software/example-coreip-welcome b/software/example-coreip-welcome
index b8e2d46..11309c6 160000
--- a/software/example-coreip-welcome
+++ b/software/example-coreip-welcome
@@ -1 +1 @@
-Subproject commit b8e2d46f3d589dab7b4ba4c38b87d3dec02e3b81
+Subproject commit 11309c62af2e373b989968ad32e28c651a95f866
--
cgit v1.2.3
From 33787f7ab3e84e5d2bd7cbfbbec08b7638348e5c Mon Sep 17 00:00:00 2001
From: David Connelly <david.connelly@sifive.com>
Date: Wed, 6 Mar 2019 10:33:38 -0500
Subject: submodule updated and banner message updated
---
software/example-coreip-welcome | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/software/example-coreip-welcome b/software/example-coreip-welcome
index 11309c6..cbcea37 160000
--- a/software/example-coreip-welcome
+++ b/software/example-coreip-welcome
@@ -1 +1 @@
-Subproject commit 11309c62af2e373b989968ad32e28c651a95f866
+Subproject commit cbcea378fcb4ab2310bc1d283b79a1539e621093
--
cgit v1.2.3