From 40516386bd96b3341bccc666012b4a1007338acd Mon Sep 17 00:00:00 2001 From: David Connelly 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 +#include +#include +#include +#include + +#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 -#include -#include -#include -#include - -#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