From 99be520563834d51eb3ddd32b757a3dcd2486632 Mon Sep 17 00:00:00 2001
From: Sam Anthony <sam@samanthony.xyz>
Date: Thu, 2 Oct 2025 14:45:56 -0400
Subject: spi systest

---
 fw/tests/system/eeprom_systest.c | 31 +++++++++++++++++++++++++++----
 fw/tests/system/spi_systest.c    | 22 ++++++++++++++++++++++
 2 files changed, 49 insertions(+), 4 deletions(-)
 create mode 100644 fw/tests/system/spi_systest.c

(limited to 'fw/tests/system')

diff --git a/fw/tests/system/eeprom_systest.c b/fw/tests/system/eeprom_systest.c
index 9099345..81fa189 100644
--- a/fw/tests/system/eeprom_systest.c
+++ b/fw/tests/system/eeprom_systest.c
@@ -2,20 +2,43 @@
 
 #include <stdint.h>
 
+#include "system.h"
 #include "types.h"
-#include "init.h"
 #include "spi.h"
 #include "eeprom.h"
-#include "config.h"
+#include "usb.h"
 
 void
 main(void) {
-	clockInit();
-	pinsInit();
+	sysInit();
 	spiInit();
 	eepromInit();
+	usbInit();
+
+	T1CON = 0;
+	T1CONbits.TMR1CS = 0x0; // FOSC/4
+	T1CONbits.T1CKPS = 0x3; // 1:8 prescaler
+	T1CONbits.TMR1ON = 1;
+
+	TMR1IE = 1;
+	TMR1IF = 0;
+	PEIE = 1;
+	GIE = 1;
 
 	for (;;) {
 
 	}
 }
+
+void
+__interrupt() isr(void) {
+	static U8 ctr = 0u;
+
+	if (TMR1IF) {
+		if (ctr == 23u) { // 1s period
+
+		}
+		ctr = (ctr+1u) % 23u;
+		TMR1IF = 0;
+	}
+}
diff --git a/fw/tests/system/spi_systest.c b/fw/tests/system/spi_systest.c
new file mode 100644
index 0000000..1adc624
--- /dev/null
+++ b/fw/tests/system/spi_systest.c
@@ -0,0 +1,22 @@
+#include <xc.h>
+
+#include <stdint.h>
+
+#include "system.h"
+#include "types.h"
+#include "spi.h"
+
+void
+main(void) {
+	sysInit();
+	spiInit();
+
+	for (;;) {
+		(void)spiTx(0x05); // 0b0000101
+	}
+}
+
+void
+__interrupt() isr(void) {
+
+}
-- 
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