1 files changed, 0 insertions, 95 deletions
diff --git a/main/pbdrv.c b/main/pbdrv.c
deleted file mode 100644
index 0624897..0000000
--- a/main/pbdrv.c
+++ /dev/null
@@ -1,95 +0,0 @@
-#include "pb.h"
-
-#include "pb.h"
-#include "pb-types.h"
-#include "pb-mod.h"
-#include "pb-send.h"
-
-#include <hardware/i2c.h>
-#include <hardware/gpio.h>
-#include <pico/i2c_slave.h>
-#include <pico/stdio.h>
-
-#include <FreeRTOS.h>
-#include <stdio.h>
-#include <timers.h>
-
-#define PB_I2C i2c0
-#define BUF_SIZE 256
-#define MSGS_MAX 4
-
-typedef struct {
-	uint8_t data[BUF_SIZE];
-	size_t size;
-} i2c_msg_buf_t;
-
-static i2c_msg_buf_t msgs[MSGS_MAX];
-static size_t msg_index = 0;
-
-static void async_pb_i2c_recv(void * _msg, uint32_t _) {
-	i2c_msg_buf_t * msg = _msg;
-	pb_i2c_recv(msg->data, msg->size);
-}
-
-static void msg_complete(i2c_msg_buf_t * msg) {
-	// defer pb_i2c_recv call to FreeRTOS scheduler as pb_i2c_recv takes
-	// too long to return from an ISR
-	xTimerPendFunctionCallFromISR(async_pb_i2c_recv, msg, 0, NULL);
-
-	// prepare next message for use
-	msg_index = (msg_index + 1) % MSGS_MAX;
-	msgs[msg_index].size = 0;
-}
-
-// This function is called from the I2C ISR
-static void recv_event(i2c_inst_t *i2c, i2c_slave_event_t event) {
-	i2c_msg_buf_t * msg = &msgs[msg_index];
-
-	switch (event) {
-		case I2C_SLAVE_RECEIVE: {
-			if (msg->size == BUF_SIZE) return;
-			msg->data[msg->size++] = i2c_read_byte_raw(PB_I2C);
-			break;
-		}
-		case I2C_SLAVE_FINISH: {
-			msg_complete(msg);
-			break;
-		}
-		default: break;
-	}
-}
-
-void pb_setup() {
-	i2c_init(PB_I2C, PB_CLOCK_SPEED_HZ);
-	i2c_slave_init(PB_I2C, PB_MOD_ADDR, &recv_event);
-}
-
-__weak void pb_i2c_send(i2c_addr_t addr, const uint8_t * buf, size_t sz) {
-	i2c_set_slave_mode(PB_I2C, false, PB_MOD_ADDR);
-
-	// false to write stop condition to i2c bus
-	i2c_write_timeout_us(PB_I2C, addr, buf, sz, false, PB_TIMEOUT_US);
-
-	i2c_set_slave_mode(PB_I2C, true, PB_MOD_ADDR);
-}
-
-void bus_scan() {
-	i2c_set_slave_mode(PB_I2C, false, PB_MOD_ADDR);
-
-	pb_buf_t buf = pb_send_magic_req();
-
-	// check for all 7-bit addresses
-	uint16_t addr_max = 1 << 7;
-	for (uint16_t addr = 0x00; addr < addr_max; addr++) {
-		i2c_write_timeout_us(PB_I2C, addr, (uint8_t *) buf.data, buf.size, false, PB_TIMEOUT_US);
-	}
-
-	pb_buf_free(&buf);
-
-	i2c_set_slave_mode(PB_I2C, true, PB_MOD_ADDR);
-}
-
-void pb_mod_blocking_delay_ms(unsigned long ms) {
-	vTaskDelay(ms / portTICK_PERIOD_MS);
-}
-