From 9278e9bafd96105b64f9946eb94f5618f01649d3 Mon Sep 17 00:00:00 2001 From: Paul Selkirk Date: Thu, 29 Oct 2015 15:42:29 -0400 Subject: add libhal tests, some cleanup (some mess-making) --- short-test.c | 205 ----------------------------------------------------------- 1 file changed, 205 deletions(-) delete mode 100644 short-test.c (limited to 'short-test.c') diff --git a/short-test.c b/short-test.c deleted file mode 100644 index 6dd97f4..0000000 --- a/short-test.c +++ /dev/null @@ -1,205 +0,0 @@ -/* - * Test code that just sends the letters 'a' to 'z' over and - * over again using USART2. - * - * Toggles the BLUE LED slowly and the RED LED for every - * character sent. - */ -#include "stm32f4xx_hal.h" -#include "stm-init.h" -#include "stm-led.h" -#include "stm-uart.h" - -void test_for_shorts(char port, GPIO_TypeDef* GPIOx, uint16_t GPIO_Test_Pins); - -//------------------------------------------------------------------------------ -// Defines -//------------------------------------------------------------------------------ - - -//------------------------------------------------------------------------------ -// Macros -//------------------------------------------------------------------------------ - -/* These are all the pins used by the FMC interface */ -#define GPIOB_PINS (GPIO_PIN_7) - -#define GPIOD_PINS (GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11 \ - |GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15 \ - |GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_3|GPIO_PIN_4 \ - |GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7) - -#define GPIOE_PINS (GPIO_PIN_3|GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_7 \ - |GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11 \ - |GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15) - -#define GPIOF_PINS (GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3 \ - |GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_12|GPIO_PIN_13 \ - |GPIO_PIN_14|GPIO_PIN_15) - -#define GPIOG_PINS (GPIO_PIN_0|GPIO_PIN_1|GPIO_PIN_2|GPIO_PIN_3 \ - |GPIO_PIN_4|GPIO_PIN_5) - -#define GPIOH_PINS (GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11 \ - |GPIO_PIN_12|GPIO_PIN_13|GPIO_PIN_14|GPIO_PIN_15) - -#define GPIOI_PINS (GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_0|GPIO_PIN_1 \ - |GPIO_PIN_2|GPIO_PIN_3|GPIO_PIN_6|GPIO_PIN_7) - -int -main() -{ - stm_init(); - - // enable gpio clocks - __GPIOA_CLK_ENABLE(); - __GPIOB_CLK_ENABLE(); - __GPIOD_CLK_ENABLE(); - __GPIOE_CLK_ENABLE(); - __GPIOF_CLK_ENABLE(); - __GPIOG_CLK_ENABLE(); - __GPIOH_CLK_ENABLE(); - __GPIOI_CLK_ENABLE(); - - while (1) { - HAL_GPIO_TogglePin(LED_PORT, LED_GREEN); - HAL_UART_Transmit(&huart2, (uint8_t *) "\r\n\r\n\r\n\r\n\r\n", 10, 0x1); - - test_for_shorts('B', GPIOB, GPIOB_PINS); - test_for_shorts('D', GPIOD, GPIOD_PINS); - test_for_shorts('E', GPIOE, GPIOE_PINS); - test_for_shorts('F', GPIOF, GPIOF_PINS); - test_for_shorts('G', GPIOG, GPIOG_PINS); - test_for_shorts('H', GPIOH, GPIOH_PINS); - test_for_shorts('I', GPIOI, GPIOI_PINS); - led_toggle(LED_BLUE); - HAL_Delay(2000); - } -} - -void configure_all_as_input(GPIO_TypeDef* GPIOx, uint16_t GPIO_Test_Pins) -{ - GPIO_InitTypeDef GPIO_InitStruct; - - /* Configure all pins as input. XXX do all pins (0xffff) instead of just GPIO_Test_Pins? */ - GPIO_InitStruct.Pin = GPIO_Test_Pins; - GPIO_InitStruct.Mode = GPIO_MODE_INPUT; - GPIO_InitStruct.Pull = GPIO_PULLDOWN; - GPIO_InitStruct.Speed = GPIO_SPEED_LOW; - HAL_GPIO_Init(GPIOx, &GPIO_InitStruct); -} - -uint8_t check_no_input(char port, GPIO_TypeDef* GPIOx, uint16_t GPIO_Test_Pins, char wrote_port, uint16_t wrote_value) -{ - uint16_t read; - - /* Read all pins from port at once. XXX check all pins, not just GPIO_Test_Pins? */ - read = (GPIOx->IDR & GPIO_Test_Pins); - - if (! read) { - /* No unexpected pins read as HIGH */ - return 0; - } - - led_on(LED_RED); - - HAL_UART_Transmit(&huart2, (uint8_t *) "Wrote ", 6, 0x1); - uart_send_binary(wrote_value, 16); - - HAL_UART_Transmit(&huart2, (uint8_t *) " to port GPIO", 13, 0x1); - HAL_UART_Transmit(&huart2, (uint8_t *) &wrote_port, 1, 0x1); - - HAL_UART_Transmit(&huart2, (uint8_t *) ", read ", 7, 0x1); - uart_send_binary(read, 16); - - HAL_UART_Transmit(&huart2, (uint8_t *) " from GPIO", 10, 0x1); - HAL_UART_Transmit(&huart2, (uint8_t *) &port, 1, 0x1); - - HAL_UART_Transmit(&huart2, (uint8_t *) "\r\n", 2, 0x1); - - return 1; -} - -void test_for_shorts(char port, GPIO_TypeDef* GPIOx, uint16_t GPIO_Test_Pins) -{ - GPIO_InitTypeDef GPIO_InitStruct; - uint16_t i, fail = 0, Test_Pin, read; - - configure_all_as_input(GPIOB, GPIOB_PINS); - configure_all_as_input(GPIOD, GPIOD_PINS); - configure_all_as_input(GPIOE, GPIOE_PINS); - configure_all_as_input(GPIOF, GPIOF_PINS); - configure_all_as_input(GPIOG, GPIOG_PINS); - configure_all_as_input(GPIOH, GPIOH_PINS); - configure_all_as_input(GPIOI, GPIOI_PINS); - - check_no_input('B', GPIOB, GPIOB_PINS, 'x', 0); - check_no_input('D', GPIOD, GPIOD_PINS, 'x', 0); - check_no_input('E', GPIOE, GPIOE_PINS, 'x', 0); - check_no_input('F', GPIOF, GPIOF_PINS, 'x', 0); - check_no_input('G', GPIOG, GPIOG_PINS, 'x', 0); - check_no_input('H', GPIOH, GPIOH_PINS, 'x', 0); - check_no_input('I', GPIOI, GPIOI_PINS, 'x', 0); - - for (i = 0; i < 31; i++) { - Test_Pin = 1 << i; - if (! (GPIO_Test_Pins & Test_Pin)) continue; - - configure_all_as_input(GPIOx, GPIO_Test_Pins); - - /* Change one pin to output */ - GPIO_InitStruct.Pin = Test_Pin; - GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; - GPIO_InitStruct.Pull = GPIO_PULLDOWN; - GPIO_InitStruct.Speed = GPIO_SPEED_LOW; - HAL_GPIO_Init(GPIOx, &GPIO_InitStruct); - - HAL_GPIO_WritePin(GPIOx, Test_Pin, GPIO_PIN_SET); - - /* Slight delay after setting the output pin. Without this, the Test_Pin - bit might read as zero, as it is only sampled once every AHB1 clock cycle. - Reference manual DM00031020 section 8.3.1. - */ - HAL_Delay(1); - - /* Read all input GPIOs from port at once. XXX check all pins, not just GPIO_Test_Pins? */ - read = GPIOx->IDR & GPIO_Test_Pins; - - if (read == Test_Pin) { - /* No unexpected pins read as HIGH */ - led_toggle(LED_GREEN); - } else { - led_on(LED_RED); - HAL_UART_Transmit(&huart2, (uint8_t *) "GPIO", 4, 0x1); - HAL_UART_Transmit(&huart2, (uint8_t *) &port, 1, 0x1); - - HAL_UART_Transmit(&huart2, (uint8_t *) " exp ", 5, 0x1); - uart_send_binary(Test_Pin, 16); - - HAL_UART_Transmit(&huart2, (uint8_t *) " got ", 5, 0x1); - uart_send_binary(read, 16); - - HAL_UART_Transmit(&huart2, (uint8_t *) " diff ", 6, 0x1); - uart_send_binary(read ^ Test_Pin, 16); - - HAL_UART_Transmit(&huart2, (uint8_t *) "\r\n", 2, 0x1); - - fail++; - } - - /* Check there is no input on any of the other GPIO ports (adjacent pins might live on different ports) */ - if (port != 'B') fail += check_no_input('B', GPIOB, GPIOB_PINS, port, Test_Pin); - if (port != 'D') fail += check_no_input('D', GPIOD, GPIOD_PINS, port, Test_Pin); - if (port != 'E') fail += check_no_input('E', GPIOE, GPIOE_PINS, port, Test_Pin); - if (port != 'F') fail += check_no_input('F', GPIOF, GPIOF_PINS, port, Test_Pin); - if (port != 'G') fail += check_no_input('G', GPIOG, GPIOG_PINS, port, Test_Pin); - if (port != 'H') fail += check_no_input('H', GPIOH, GPIOH_PINS, port, Test_Pin); - if (port != 'I') fail += check_no_input('I', GPIOI, GPIOI_PINS, port, Test_Pin); - - HAL_GPIO_WritePin(GPIOx, Test_Pin, GPIO_PIN_RESET); - } - - if (fail) { - HAL_UART_Transmit(&huart2, (uint8_t *) "\r\n", 2, 0x1); - } -} -- cgit v1.2.3