From 711fd112b73124450fd1effbd9312841d452aff9 Mon Sep 17 00:00:00 2001
From: Chris Vickery <chrisinajar@gmail.com>
Date: Wed, 11 Apr 2018 16:15:32 -0700
Subject: [PATCH] Enable compiler optimizations, fix things it breaks

---
 board/build.mk      | 3 ++-
 board/drivers/spi.h | 4 +++-
 boardesp/proxy.c    | 9 ++++++---
 3 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/board/build.mk b/board/build.mk
index 069a00e1a04058..a918ba25f4471a 100644
--- a/board/build.mk
+++ b/board/build.mk
@@ -1,4 +1,5 @@
-CFLAGS += -I inc -I ../ -nostdlib -fno-builtin -std=gnu11 -O0
+CFLAGS += -I inc -I ../ -nostdlib -fno-builtin -std=gnu11 -Os
+
 CFLAGS += -Tstm32_flash.ld
 
 CC = arm-none-eabi-gcc
diff --git a/board/drivers/spi.h b/board/drivers/spi.h
index fc6a5ab26dca0f..7a5945d37257cb 100644
--- a/board/drivers/spi.h
+++ b/board/drivers/spi.h
@@ -40,6 +40,7 @@ void spi_tx_dma(void *addr, int len) {
 
   // channel3, increment memory, memory -> periph, enable
   DMA2_Stream3->CR = DMA_SxCR_CHSEL_1 | DMA_SxCR_CHSEL_0 | DMA_SxCR_MINC | DMA_SxCR_DIR_0 | DMA_SxCR_EN;
+  delay(0);
   DMA2_Stream3->CR |= DMA_SxCR_TCIE;
 
   SPI1->CR2 |= SPI_CR2_TXDMAEN;
@@ -65,6 +66,7 @@ void spi_rx_dma(void *addr, int len) {
 
   // channel3, increment memory, periph -> memory, enable
   DMA2_Stream2->CR = DMA_SxCR_CHSEL_1 | DMA_SxCR_CHSEL_0 | DMA_SxCR_MINC | DMA_SxCR_EN;
+  delay(0);
   DMA2_Stream2->CR |= DMA_SxCR_TCIE;
 
   SPI1->CR2 |= SPI_CR2_RXDMAEN;
@@ -95,7 +97,7 @@ void DMA2_Stream2_IRQHandler(void) {
 void DMA2_Stream3_IRQHandler(void) {
   #ifdef DEBUG_SPI
     puts("SPI handshake\n");
-  #endif  
+  #endif
 
   // reset handshake back to pull up
   set_gpio_mode(GPIOB, 0, MODE_INPUT);
diff --git a/boardesp/proxy.c b/boardesp/proxy.c
index 35493869fde893..bb89743c198ec9 100644
--- a/boardesp/proxy.c
+++ b/boardesp/proxy.c
@@ -264,7 +264,7 @@ void ICACHE_FLASH_ATTR wifi_configure(int secure) {
 void ICACHE_FLASH_ATTR wifi_init() {
   // default ssid and password
   memset(ssid, 0, 32);
-  os_sprintf(ssid, "panda-%08x-BROKEN", system_get_chip_id()); 
+  os_sprintf(ssid, "panda-%08x-BROKEN", system_get_chip_id());
 
   // fetch secure ssid and password
   // update, try 20 times, for 1 second
@@ -283,6 +283,9 @@ void ICACHE_FLASH_ATTR wifi_init() {
     }
     os_delay_us(50000);
   }
+  os_printf("Finished getting SID\n");
+  os_printf(ssid);
+  os_printf("\n");
 
   // set IP
   wifi_softap_dhcps_stop(); //stop DHCP before setting static IP
@@ -311,7 +314,7 @@ void ICACHE_FLASH_ATTR user_init() {
   gpio_init();
 
   // configure UART TXD to be GPIO1, set as output
-  PIN_FUNC_SELECT(PERIPHS_IO_MUX_U0TXD_U, FUNC_GPIO1); 
+  PIN_FUNC_SELECT(PERIPHS_IO_MUX_U0TXD_U, FUNC_GPIO1);
   gpio_output_set(0, 0, (1 << pin), 0);
 
   // configure SPI
@@ -331,7 +334,7 @@ void ICACHE_FLASH_ATTR user_init() {
   //SPICsPinSelect(SpiNum_HSPI, SpiPinCS_1);
 
   // configure UART TXD to be GPIO1, set as output
-  PIN_FUNC_SELECT(PERIPHS_IO_MUX_GPIO5_U, FUNC_GPIO5); 
+  PIN_FUNC_SELECT(PERIPHS_IO_MUX_GPIO5_U, FUNC_GPIO5);
   gpio_output_set(0, 0, (1 << 5), 0);
   gpio_output_set((1 << 5), 0, 0, 0);