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authorDrew Barbier <dbarbi1@gmail.com>2018-07-04 18:48:19 -0500
committerDrew Barbier <dbarbi1@gmail.com>2018-07-04 18:48:19 -0500
commit962b23a3797ba659577056ed3fc57c2d0a77df62 (patch)
tree4346d81c75ac2458bef05ee450d4edfbcc2d0ed1 /software/clic_vectored
parent9d58b2120c5a9b9dbc95c0ea90b16280e36dc9ca (diff)
clic driver level and priority functions
Diffstat (limited to 'software/clic_vectored')
-rw-r--r--software/clic_vectored/clic_vectored.c23
1 files changed, 13 insertions, 10 deletions
diff --git a/software/clic_vectored/clic_vectored.c b/software/clic_vectored/clic_vectored.c
index cbc104e..872aba3 100644
--- a/software/clic_vectored/clic_vectored.c
+++ b/software/clic_vectored/clic_vectored.c
@@ -53,7 +53,8 @@ void wait_ms(uint64_t ms) {
void button_0_isr(void) __attribute__((interrupt));
void button_0_isr(void) {
// Toggle Red LED
- printf("Button 0 was pressed. Toggle Red.\n");
+ uint8_t level = clic_get_int_level(&clic, (LOCALINTIDBASE + LOCAL_INT_BTN_0));
+ printf("Button 0 was pressed, interrupt level %d. Toggle Red.\n", level);
GPIO_REG(GPIO_OUTPUT_VAL) = GPIO_REG(GPIO_OUTPUT_VAL) ^ (0x1 << RED_LED_OFFSET);
wait_ms(500);
clic_enable_interrupt(&clic, (LOCALINTIDBASE + LOCAL_INT_BTN_0));
@@ -62,14 +63,15 @@ void button_0_isr(void) {
void button_0_setup(void) {
clic_install_handler(&clic, (LOCALINTIDBASE + LOCAL_INT_BTN_0), button_0_isr);
- clic_set_intcfg(&clic, (LOCALINTIDBASE + LOCAL_INT_BTN_0), 1<<4);
+ clic_set_int_level(&clic, (LOCALINTIDBASE + LOCAL_INT_BTN_0), 1);
clic_enable_interrupt(&clic, (LOCALINTIDBASE + LOCAL_INT_BTN_0));
}
void button_1_isr(void) __attribute__((interrupt));
void button_1_isr(void) {
// Toggle Red LED
- printf("Button 1 was pressed. Toggle Blue.\n");
+ uint8_t level = clic_get_int_level(&clic, (LOCALINTIDBASE + LOCAL_INT_BTN_1));
+ printf("Button 1 was pressed, interrupt level %d. Toggle Blue.\n", level);
GPIO_REG(GPIO_OUTPUT_VAL) = GPIO_REG(GPIO_OUTPUT_VAL) ^ (0x1 << BLUE_LED_OFFSET);
wait_ms(500);
clic_enable_interrupt(&clic, (LOCALINTIDBASE + LOCAL_INT_BTN_1));
@@ -78,14 +80,15 @@ void button_1_isr(void) {
void button_1_setup(void) {
clic_install_handler(&clic, (LOCALINTIDBASE + LOCAL_INT_BTN_1), button_1_isr);
- clic_set_intcfg(&clic, (LOCALINTIDBASE + LOCAL_INT_BTN_1), 2<<4);
+ clic_set_int_level(&clic, (LOCALINTIDBASE + LOCAL_INT_BTN_1), 2);
clic_enable_interrupt(&clic, (LOCALINTIDBASE + LOCAL_INT_BTN_1));
}
void button_2_isr(void) __attribute__((interrupt));
void button_2_isr(void) {
// Toggle Red LED
- printf("Button 2 was pressed. Toggle Green.\n");
+ uint8_t level = clic_get_int_level(&clic, (LOCALINTIDBASE + LOCAL_INT_BTN_2));
+ printf("Button 2 was pressed, interrupt level %d. Toggle Green.\n", level);
GPIO_REG(GPIO_OUTPUT_VAL) = GPIO_REG(GPIO_OUTPUT_VAL) ^ (0x1 << GREEN_LED_OFFSET);
wait_ms(500);
clic_enable_interrupt(&clic, (LOCALINTIDBASE + LOCAL_INT_BTN_2));
@@ -94,7 +97,7 @@ void button_2_isr(void) {
void button_2_setup(void) {
clic_install_handler(&clic, (LOCALINTIDBASE + LOCAL_INT_BTN_2), button_2_isr);
- clic_set_intcfg(&clic, (LOCALINTIDBASE + LOCAL_INT_BTN_2), 3<<4);
+ clic_set_int_level(&clic, (LOCALINTIDBASE + LOCAL_INT_BTN_2), 3);
clic_enable_interrupt(&clic, (LOCALINTIDBASE + LOCAL_INT_BTN_2));
}
@@ -104,12 +107,12 @@ void msi_isr()__attribute((interrupt));
void msi_isr() {
//clear the SW interrupt
CLINT_REG(CLINT_MSIP) = 0;
- COUNT++;
+ COUNT++;
}
void msi_setup(void) {
clic_install_handler(&clic, MSIPID, msi_isr);
- clic_set_intcfg(&clic, MSIPID, 1<<4);
+ clic_set_int_level(&clic, MSIPID, 1);
clic_enable_interrupt(&clic, MSIPID);
}
@@ -133,8 +136,8 @@ int main(int argc, char **argv)
CLIC_NUM_INTERRUPTS,
CLIC_CONFIG_BITS);
- //use all 4 config bits for levels
- clic_set_cliccfg(&clic, CLIC_CONFIG_BITS);
+ //use all 4 config bits for levels, no shv
+ clic_set_cliccfg(&clic, ((CLIC_CONFIG_BITS<<1)|0));
//initialize gpio and buttons.
//each button registers an interrupt handler